CN101786718A - Underground percolating water treatment plant and water treatment method applying same - Google Patents
Underground percolating water treatment plant and water treatment method applying same Download PDFInfo
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- CN101786718A CN101786718A CN201010110921A CN201010110921A CN101786718A CN 101786718 A CN101786718 A CN 101786718A CN 201010110921 A CN201010110921 A CN 201010110921A CN 201010110921 A CN201010110921 A CN 201010110921A CN 101786718 A CN101786718 A CN 101786718A
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Abstract
The invention relates to an underground percolating water treatment plant, comprising a water inlet pipe, a purified water outlet pipe, an aeration bucket and a filtering jar; wherein the aeration bucket and the filtering jar are buried underground, the filtering jar comprises a pressurized water pass room, a filter material layer and a water purification room from top to bottom; a decompression plate is arranged between the pressurized water pass room and the filter material layer, the side wall is communicated with the water inlet pipe, the top is communicated with a back washing discharge pipe, the lower part of the filter material layer is provided with a bearing filter plate; the middle of the filtering jar is fixed with a charging hole flange provided with an observing window, the bottom of the filtering jar water purification room is communicated with the aeration bucket, the aeration bucket is an umbrella top, the umbrella top is connected with an air inlet pipe and a cylinder which are symmetrical, the mouth part of the cylinder is connected with an air outlet pipe, the interior of the aeration bucket is provided with an aeration tube, the upper end of the aeration tube is provided with an aeration water separator, a water purification outlet pipe penetrates the aeration bucket to be communicated with the water outlet at the lower end of the aeration tube, the aeration tube is arranged at the center of the aeration bucket, annular space thereof forms the water purification room, and the upper end of the back washing discharge pipe and the interior of the water purification room are respectively provided with a water level sensing head. The invention has low delivery lift, high flow, low comprehensive cost and wide application field and is energy-saving and efficient.
Description
Technical field
The invention belongs to the processing technology field of water, waste water or sewage, be specifically related to buried water from diffusion treatment unit and treatment process, be applicable to surface water, swimming-pool water, the water treatment of the water of travelling, reuse water, industrial circulate water etc.
Background technology
Today of modernization industry fast development, improving constantly of people's living standard, industry-by-industry and different field also significantly improve the usage quantity of water, consequent secondary water pollution problems is also very serious, the degree that has a strong impact on human survival has been developed in some area, for this reason, many experts of water treatment field and engineers are all constantly making great efforts to explore solution water pollution problems.
At present, practical application or on probation in the involved water treatment device in fields such as surface water, swimming-pool water, the water of travelling, reuse water, industrial circulate water that is applicable to have: pressure-pot (sand cylinder), membrane filtration, air supporting mud-scraping machine and siphon automatically cleaning filter, their effect characteristics are impurity and the obnoxious flavour that separates in the contaminated water, water is activated, and reach the purpose that purifies water by disinfectant sterilization algae removal.But also expose different economy and problem on the effectiveness and defective in actual applications.
Such as: pressure-pot (sand cylinder), because this equipment is that former water is acted on filtrate by certain pressure, carry out the method for eliminating impurities, so the former water that can only solve slight pollution is (as swimming-pool water, desire Chi Shui), water body for surface water (Ru He, lake, landscape water etc.) intermediate pollution penetrates filter material layer because of easily causing dirt after pressurizeing, the adhesion of dirt and filtrate and the effect of tangling of fiber have been increased simultaneously, make filtrate stop up deadlock easily, some finely ground particles also easily pass filter material layer, and the water quality effect after the processing is also bad; And this equipment is because of no aeration performance, do not have activated water effectiveness; Because of pressure filtration consumes a large amount of energy, also to want related drugs that former water is mixed simultaneously and doubt the doubtful effect of wadding, use cost is high.
Though the membrane filter method energy consumption is not excessive relatively, but very easily stop up, often want artificial cleaning or change filtering membrane, and can not activate water, can only be applied to slight pollution on a small scale (as swimming pool, desire pond, fountain water) field, easy obstruction of water reason to intermediate pollution shortens the drainage cycle, and frequent cleans or replacing filtering membrane, owing to do not possess self-cleaning function, also bring very inconvenience for operation maintenance management, also want related drugs that former water is mixed simultaneously and doubt the doubtful effect of wadding, use cost is high.
Air supporting mud-scraping machine facture needs mechanical aeration and machinery to draw together dirt, and energy consumption is big, functional failure of electromechanical rate height, and work-ing life is short, and the operation and maintenance cost height needs machine room, integration engineering construction cost height.
Siphon automatically cleaning filter water treating method is to generally acknowledge better treatment process at present, but this method application apparatus volume height (high about 4.5-5.5 rice), because the isolated plant of this method need utilize the water colunm pressure and the barometric point of water, make high locative preposition (being former water) aerating apparatus, be open type with back flushing clean water tank and low level blowdown tank, and form the upper, middle and lower topology layout, and must set up machine room in the application, increased the integration engineering cost; The water treatment system of its formation needs high requirement to the place apparatus addressing, especially can not get using under the condition of not having the construction machine room; Remove this, the used filter device of this method in actual applications, owing to adopt the siphon principle back flushing, when time spent not for a long time, filtrate is because of the residual microbial effect, can make filter material surface form microbial film, when this microbial film stops up the filtrate gap water reach inceptive filtering and can not pass filtrate to clean water tank, under the situation of clean water tank lack of water, because of the reverse promotion filtrate of no water purification along filtering direction, the initial negative pressure that the siphon startup is produced when needing back flushing after can causing starting shooting is not enough to start backwash, will produce the recoil failure and former water is flowed out naturally through the sewage backwash pipe, the phenomenon of promptly metalling run out causes the equipment serviceability poor, instability.
Summary of the invention
The objective of the invention is in order to overcome the problems referred to above of prior art, a kind of buried energy-efficient water from diffusion treatment unit and method thereof are provided, it can be applied to water treatment field in buried mode, and realize filtration procedure with gravity diafiltration method, characteristics with low lift and large flow rate, thereby with more efficient energy-saving, lower comprehensive cost with make the water treatment system simple structure.Water treatment device of the present invention is used more flexible, and floor space is little, stable effluent quality, and the water quality problem of can solve surface water, swimming-pool water, the water of travelling, reuse water, industrial circulate water etc. being crossed by intermediate pollution, Application Areas is wide, and is widely applicable.
For realizing the object of the invention, adopt following technical scheme:
A kind of buried water from diffusion treatment unit, comprise water inlet pipe, water purification rising pipe, aeration bucket and filtering jar, the filtering jar side is provided with safeguards observation ward, it is buried that described aeration bucket, filtering jar and filtering jar safeguard that observation ward is, be provided with filter material layer in the filtering jar, it is characterized in that filtering jar, be provided with the decompression plate between setting-out surge chamber and the filter material layer, the pressure buffer chamber sidewall is communicated with water inlet pipe from top to bottom for setting-out surge chamber, filter material layer and water purifying chamber, the top is communicated with the sewage backwash pipe, and the support filter plate is established in the filter material layer bottom; The filtering jar middle part is fixed with the feed port flange of band viewing window, filtering jar bottom water purifying chamber opens a water purification water outlet and communicates with the aeration bucket, filtering jar sidewall and the handing-over of aeration bucket, the aeration bucket is the umbrella top, be connected with two symmetric inlet pipe on the conical surface plate on umbrella top, connect a cylinder in the middle of the conical surface plate, the cylinder oral area connects the T font escape pipe of a plate with cover, aeration cylinder is equipped with in aeration bucket inside, the aeration water segregator is equipped with in the aeration cylinder upper end, and the water purification rising pipe passes the aeration bucket and is communicated with the water outlet of aeration cylinder lower end, and aeration cylinder places aeration bucket center, its circular clearance forms water purifying chamber, and the level sensor head is housed respectively in the upper end of described sewage backwash pipe and the water purifying chamber.
Further, above-mentioned filtrate is two-layer at least composite filtering material layer.Particle diameter can increase to lower floor gradually from the upper strata, and filtrate adopts density difference, particle diameter difference, acts on the laminate composite filter material that different ores is combined into, and satisfies different water conditioning requirements by certain proportioning.Not only but insoluble microorganism in the filtered water is removed immobilized particles, can also remove bacterium or algae etc., thereby effectively increase water quality.
Further again, described aeration water segregator has the dished plate in some tanks hole for rule cutting or irregular cutting.
Described setting-out surge chamber is the one section cavity of internal diameter greater than the water inlet pipe caliber.
Described filtering jar is the 2-6 group, is symmetrically arranged in aeration bucket sidewall.
Another purpose of the present invention is to use the water treatment method of above-mentioned treatment unit:
(1) pending water enters the pressure buffer chamber decompression through water inlet pipe, falls within the decompression plate by pressure buffer chamber bottom posticum;
(2) after the two-stage buffering of step (1), enter filtering jar and lean on gravity to permeate from filter material layer, former water suspension is separated, water purification enters the water purifying chamber of filtering jar bottom, enters in the formed water purifying chamber of homonymy aeration bucket and aeration cylinder intermediate annular gap by the water purification water outlet;
(3) the water purification water level rises when crossing the aeration cylinder top, water purification passes through by crossing the tank hole in the aeration water segregator, and the downward accelerated motion of gravity, impact with the aeration cylinder bottom water surface, waste gas in this moving process in the water divides the venting hole of device upwards to discharge from water aeration, and enter in the atmosphere through escape pipe, the air in the atmosphere sucks water purifying chamber through inlet pipe simultaneously;
(4) when the level sensor head detects the sewage backwash pipe and rises to designated water level, start suction pump, suction pump is with the sewage reverse suction of pressing filtering direction above the filtrate and in the surge chamber, filtrate upwards expands, the levitated object that filter material layer is held back detaches filtering jar, filtrate is cleaned and the water level in water purifying chamber drops to desired location, closes suction pump, and backwash process finishes.
Also comprise step in the above-mentioned treatment process: the water purification of aeration cylinder bottom adds 0.3 to 1mg/L chlorine residue ion by chemicals dosing plant chlorination sterilization algae removal, and water turbidity can be controlled in below the 0.4mg/L to 5mg/L.
Water treatment device and method compared to existing technology, beneficial effect of the present invention is:
(1) apparatus of the present invention compact overall structure, integral body can be embedded in underground, and construction is simple, and does not influence the layout of ground landscape.Apparatus of the present invention are buried the ground degree of depth and are not all 1.5 meters-2 meters according to Inlet and outlet water flow size, sewage directly filters through filtering jar and need not preposition precipitation, owing to adopt run by gravity permeation filtration method, dirt is located away from the filtrate top layer by natural mode in the water, and can not penetrate filtrate, therefore can not cause filtrate in long-time running, to adsorb dirt and stop up the deadlock phenomenon.Apparatus of the present invention adopt rearmounted aeration (the water purification aeration activation after promptly handling), utilize principle of hydrodynamics, by quickening the impact motion of water, and the surperficial contact area of increase water and air, obnoxious flavour in the water (as band gas prefix material compositions such as ammonia nitrogen, two vaporized carbons, biogas) vaporization is overflowed separated, make airborne oxygen be absorbed (dissolved oxygen can reach more than the 10mg/L) simultaneously, water is activated by water, reach the effect of mechanical aeration, thereby increase water quality the aquatic foodsization transparency.The back flushing of this device is the amount of contaminants that detects filtrate automatically and cut by sewage backwash pipe water colunm pressure water level, and by the sewage extraction of suction power with filtrate top, this process makes filtrate top form negative pressure, simultaneously by the water purification that constitutes water purifying chamber between aeration cylinder and the aeration bucket (in the long-term all in store water yield subject to backwash when not moving) under its action of gravity, opposite direction along filtering direction upwards promotes filtrate through the filtrate bottom, when water purification when the gap moves upward between the bed of material different-grain diameter filtrate after filtration, form friction between water and the filtrate, thereby filtrate is upwards expanded, when being stirred, the dirt on filtrate top layer is sucked discharge, this process and suction power are to carry out synchronously and belong to enforceable, so overcome the defective of siphon back flushing by the water yields of the many losses of process of the kinetic energy startup siphon of water, also overcome the phenomenon that can not be activated under the different states in the siphonage and metal run out, therefore realized reliable and stable operation fully.
In sum, the present invention has not only satisfied the dirt separation of water conditioning quality, and has realized the separation of waste gas in the water, and the aeration performance of no energy consumption is provided for water body simultaneously.Basic device of the present invention is that single cylinder is arranged, under the constant situation of aerating apparatus, multi-cylinder parallel integrated structure that can also equal water treatment amount in parallel is to satisfy the requirement of bigger water treatment flow.This device is because of can buriedly being provided with, so the water treatment system pipe network path that is made of it can become more simple and easy, the water inlet lift is lower, and the energy consumption under the equal flow is also very low, can reduce the civil engineering cost of machine room in the practical application, therefore have good economic benefit.
(2) to filter the water yield big in the present invention, and filtration flow-rate is pressed single cylinder and combination thereof 30 to 40m/h, can satisfy the water treatment requirement of all kinds of different flows.
(3) because buried layout is placed near water body usually, and the water treatment system pipeline is short, and water resistance is little, realize the less energy-consumption effect of low lift and large flow rate; Construction costs significantly reduces.
(4) long service life, because of each parts in installing do not have mechanical driving member, no wear problem, filtrate is high hardness material, and being in operation does not almost have wearing and tearing, and apparatus main body is made for the highstrenghtpiston, has very strong corrosion resistant weathering resistance, long service life; Basically only consume the lower electricity charge and chlorination expense in water treatment procedure, operation and maintenance cost is extremely low, is easy to apply.
Description of drawings
Fig. 1 is the buried water from diffusion treatment unit one exemplary construction synoptic diagram of the present invention;
Fig. 2 bows to diagrammatic sketch for buried water from diffusion treatment unit shown in Figure 1;
Fig. 3 is the cut-away section synoptic diagram of example sewage backwash pipe of the present invention and filtering jar;
Aeration water segregator water-carrying section synoptic diagram in Fig. 4 example 1 of the present invention;
Fig. 5 example aeration of the present invention water segregator is bowed to diagrammatic sketch;
Fig. 6 is example 2 four cylinder integrated structure synoptic diagram of the present invention.
Among the figure: the T font escape pipe of 1-aeration bucket, 11-aeration cylinder, 12-band cover plate, 13-inlet pipe, 14-cylinder, 111-aeration water segregator, 112-rising pipe, 2-filtering jar, 21-water inlet pipe, 22-pressure buffer chamber, 23-filter material layer, 24-water purifying chamber, 25-decompression plate, 26-feed port flange, 27-sewage backwash pipe, 28-support filter plate, 29-water purification water outlet, 3-safeguard see observation ward, 31-bung.
Among Fig. 6: sewage backwash pipe, the 3-1 that 2-1 is second filtering jar, 2-2 are the 3rd filtering jar, 2-3 are the 4th filtering jar, 21-1 are the water inlet pipe of second filtering jar, water inlet pipe that 21-2 is the 3rd filtering jar, 21-3 is the 4th filtering jar water inlet pipe, 27-1 is second filtering jar sewage backwash pipe, 27-2 is second filtering jar a sewage backwash pipe, 27-3 is the 3rd filtering jar second safeguards that observation ward, 31-1 second safeguard the bung of observation ward
Embodiment
Come the present invention is further specified below in conjunction with specific embodiment,
Embodiment 1
Referring to Fig. 1,2,3, buried energy-efficient water from diffusion treatment unit, comprise water inlet pipe 21, water purification rising pipe, aeration bucket and filtering jar, the filtering jar side is provided with safeguards observation ward, it is buried that described aeration bucket, filtering jar and filtering jar safeguard that observation ward is, and aeration bucket, filtering jar and filtering jar safeguard that observation ward is that corrosion-resistant plastic is made.
Have multilayer filter material layer 23 in the filtering jar 2, above-mentioned filtrate adopts density difference, particle diameter difference, acts on the laminate composite filter material that different ores is combined into, and satisfies different water conditioning requirements by certain proportioning.Support filter plate 28 is arranged below the filtrate, and decompression plate 25 is arranged at filter material layer 23 tops, and decompression plate 25 tops are setting-out surge chamber 22, and pressure buffer chamber 22 sidewalls are communicated with water inlet pipe 21.
Filtering jar 2 tops are communicated with sewage backwash pipe 27, and filtering jar 2 middle parts are provided with the feed port flange 26 of band viewing window, safeguard with filtering jar handing-over one by feed port flange 26 sides and see observation ward 3, and safeguarding that observation ward 3 is suitable for reading has bung 31 to enter for maintenance to check.
Filtering jar 2 bottoms are water purifying chamber, water purifying chamber has water purification water outlet 29 and enters aeration bucket 1, aeration bucket 1 is that a shared sidewall is separated with the filtering jar handing-over, be provided with aeration cylinder 11 in the aeration bucket 1, circular clearance between aeration cylinder 11 and the aeration bucket 1 is the part of water purifying chamber, communicates with the bottom water purifying chamber of filtering jar 2.
The top of aeration bucket 1 is the type of falling the bucket, is symmetrical arranged two inlet pipe 13 on the conical surface plate of its upper end, and conical surface plate central authorities connect a cylinder 14, and cylinder 14 is suitable for reading to communicate with the T font escape pipe 12 with cover plate.
The first level sensor head 4 and the second level sensor head 41 are housed respectively in the upper end of sewage backwash pipe 27 and the water purifying chamber.
Referring to Figure 4 and 5, aeration water segregator 111 is arranged the dished plate of several rules or anomalous water slotted eye, by the fluidised form that changes water water is fully contacted with air, and in aeration cylinder 11, make gravity fall and form shock motion, thereby the waste gas in the water (as obnoxious flavoures such as ammonia nitrogen, carbonic acid gas, biogas) is separated, simultaneously soluble in water oxygen, make water reach abundant activatory purpose.
Use a kind of water treatment method of above-mentioned buried energy-efficient water from diffusion treatment unit, may further comprise the steps:
(1) pending former water is after water inlet pipe 21 enters pressure buffer chamber 22 decompressions, drop on the decompression plate 25 by pressure buffer chamber 22 bottom posticum gravity, after the two-stage buffering, enter the filter material layer of filtering jar, setting-out surge chamber 22 is one section and compares the big container of water inlet pipe internal diameter that moment can be discharged into water pressure;
(2) pass through filter material layer 23 by gravity leakage, former water suspension is separated, water purification enters filtering jar bottom water purifying chamber 24, enters in homonymy aeration bucket 1 and the formed water purifying chamber of aeration cylinder 11 intermediate space by water purification water outlet 29;
When (3) surpassing aeration cylinder 11 tops along with the rising of water purification water level, water purification just changes fluidised form by crossing the tank hole in the aeration water segregator 111, increase water and air contact area and the downward accelerated motion of gravity, impact with the aeration cylinder 11 bottom waters surface, water can produce air pressure in the process when overcoming atmospheric drag because water moves downward, this air pressure will upwards be discharged the waste gas in this moving process water from aeration water segregator 111 intermediate exhaust holes in the lump, and the T font escape pipe 12 through being with cover plate enters in the atmosphere, when moving downward, the water in this process also can produce negative pressure, air in the atmosphere is sucked water purifying chamber through inlet pipe 13, thereby form cross-ventilated process.
(4) back flushing, at above filtration procedure, the levitated object of holding back when filter material layer surpasses when a certain amount of, the osmotic resistance of water strengthens, water level is risen through sewage backwash pipe 27 form the water colunm pressure of equivalent, this pressure is controlled in the set(ting)value that does not change the effluent quality requirement, adopt the first level sensor head 4 to detect for this reason, when reaching the first level sensor head 4, this water level just begins to start suction pump, suction pump is with the sewage reverse suction of pressing filtering direction above the filtrate and in the surge chamber, this moment filtrate under the gravity of water purifying chamber and barometric point simultaneously acting in opposition in filtrate, filtrate is upwards expanded, the levitated object of being held back is detached filtering jar, filtrate is cleaned and the water level in water purifying chamber when dropping to the predeterminated position of second sensing head 41, close suction pump, backwash process finishes, and enters the cycle operation state of next round filtration and back flushing.
The above a kind of buried energy-efficient water from diffusion treatment unit and method thereof, the processed water body loop cycle in water treatment applications are pressed the different quality standard-required and are set, and control by the water pump electric control system.Water purification after the processing is by the chemicals dosing plant chlorination, bacterium residual in the water and frustule are killed, and made and keep 0.3 to 1mg/L residual chlorine amount in the water body, so just guaranteed that water quality never degenerates within a certain period of time, the water quality transparency can reach the degree of depth more than 1.5 meters, and water quality is respond well.
Through experimental results show that, apparatus of the present invention are to the treatment effect highly significant of surface water, rainwater, industrial circulating water, swimming pool water, meet or exceed country's " water environment quality standard " GB3838-2002II class and drinking water sanitary standard GB5749-2006 by the water quality requirement of practical application.
Different with embodiment 1 single cylinder filtration is, present embodiment can carry out parallel connection with a plurality of filtering jars under the constant situation of aeration bucket, be combined into the multi-cylinder structure that satisfies the different flow requirement, below is described further with the technical scheme of four cylinders combination.
The water treatment device of this multi-cylinder combination comprises four identical embodiment 1 single cylinders, four filtering jars are symmetry and the handing-over of aeration bucket, wherein per two single cylinders join in the same observation ward that safeguards, the water inlet pipe of four filtering jars respectively connects an electrically operated valve, the other end of electrically-controlled valve is connected to public water inlet pipe, and the level sensor head mutual dislocation of four filtering jar sewage backwash pipe upper ends is not on same sea line.
Use the water treatment method of the water treatment device of present embodiment multi-cylinder combination, comprise the steps:
1, pending former water is distributed to four filtering jars respectively through four electrically-controlled valve, the handled water purification of step through the described method of above-mentioned single cylinder is pooled in aeration bucket 1 and the formed water purifying chamber of aeration cylinder 11 intermediate space, and by the step of the described method of above-mentioned single cylinder water purification is flowed out from rising pipe.
2, the level sensor head of the upper end of the sewage backwash pipe on four single cylinders dislocation by the preferred backwash order of nonsynchronous priority backwash requirement separately, is closed the single cylinder water inlet electrically-controlled valve of not backwash simultaneously automatically through electric control gear, make four cylinders guarantee the uniqueness of backwash.
The foregoing description is an one embodiment of the present invention, but does not limit the invention to these embodiments.One skilled in the art would recognize that the present invention contained in claims scope all alternativess, improvement project and the equivalents that may comprise.Based on spirit of the present invention, multiple variation is also arranged, all should be in the claim of the present patent application.
Claims (7)
1. buried water from diffusion treatment unit, comprise water inlet pipe (21), water purification rising pipe, aeration bucket and filtering jar, the filtering jar side is provided with safeguards observation ward, it is buried that described aeration bucket, filtering jar and filtering jar safeguard that observation ward is, be provided with filter material layer in the filtering jar, it is characterized in that filtering jar is setting-out surge chamber (22), filter material layer and water purifying chamber from top to bottom, be provided with decompression plate (25) between setting-out surge chamber (22) and the filter material layer, the pressure buffer chamber sidewall is communicated with water inlet pipe (21), the top is communicated with sewage backwash pipe (27), and support filter plate (28) is established in the filter material layer bottom; Filtering jar (2) middle part is fixed with the feed port flange (26) of band viewing window, filtering jar bottom water purifying chamber opens a water purification water outlet (29) and communicates with the aeration bucket, filtering jar sidewall and aeration bucket (1) handing-over, aeration bucket (1) is the umbrella top, be connected with two symmetric inlet pipe (13) on the conical surface plate on umbrella top, connect a cylinder (14) in the middle of the conical surface plate, the cylinder oral area connects the T font escape pipe (12) of a plate with cover, aeration cylinder (11) is equipped with in aeration bucket inside, aeration water segregator (111) is equipped with in the aeration cylinder upper end, water purification rising pipe (112) passes the aeration bucket and is communicated with the water outlet of aeration cylinder lower end, aeration cylinder places aeration bucket center, its circular clearance forms water purifying chamber, in the upper end of described sewage backwash pipe (27) and the water purifying chamber level sensor head is housed respectively.
2. buried according to claim 1 water from diffusion treatment unit is characterized in that described filtrate is two-layer at least composite filtering material layer.
3. as buried water from diffusion treatment unit as described in the claim 2, it is characterized in that described aeration water segregator (111) is dug for rule or irregular cutting has the dished plate in some tanks hole.
4. as buried water from diffusion treatment unit as described in the claim 3, it is characterized in that described setting-out surge chamber is the one section cavity of internal diameter greater than the water inlet pipe caliber.
5. as buried water from diffusion treatment unit as described in the claim 2, it is characterized in that described filtering jar is the 2-6 group, is symmetrically arranged in aeration bucket sidewall.
6. the water treatment method of the buried according to claim 1 water from diffusion treatment unit of application is characterized in that comprising the steps:
(1) pending water enters the pressure buffer chamber decompression through water inlet pipe, falls within the decompression plate by pressure buffer chamber bottom posticum;
(2) after the two-stage buffering of step (1), enter filtering jar and lean on gravity to permeate from filter material layer, former water suspension is separated, water purification enters the water purifying chamber of filtering jar bottom, enters in the formed water purifying chamber of homonymy aeration bucket and aeration cylinder intermediate annular gap by the water purification water outlet;
(3) the water purification water level rises when crossing the aeration cylinder top, water purification passes through by crossing the tank hole in the aeration water segregator, and the downward accelerated motion of gravity, impact with the aeration cylinder bottom water surface, waste gas in this moving process in the water divides the venting hole of device upwards to discharge from water aeration, and enter in the atmosphere through escape pipe, the air in the atmosphere sucks water purifying chamber through inlet pipe simultaneously;
(4) when the level sensor head detects the sewage backwash pipe and rises to designated water level, start suction pump, suction pump is with the sewage reverse suction of pressing filtering direction above the filtrate and in the surge chamber, filtrate upwards expands, the levitated object that filter material layer is held back detaches filtering jar, filtrate is cleaned and the water level in water purifying chamber drops to desired location, closes suction pump, and backwash process finishes.
7. water treatment method as claimed in claim 1 is characterized in that also comprising that the water purification of aeration cylinder bottom is by chemicals dosing plant chlorination sterilization algae removal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010101109215A CN101786718B (en) | 2010-02-11 | 2010-02-11 | Underground percolating water treatment plant and water treatment method applying same |
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| CN2010101109215A CN101786718B (en) | 2010-02-11 | 2010-02-11 | Underground percolating water treatment plant and water treatment method applying same |
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| CN101786718A true CN101786718A (en) | 2010-07-28 |
| CN101786718B CN101786718B (en) | 2012-02-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104193026A (en) * | 2014-05-24 | 2014-12-10 | 杭州泉成环保科技有限公司 | Cyclic utilization treatment device for vehicle washing sewage and laundry sewage and water treatment method |
| CN114893931A (en) * | 2022-05-27 | 2022-08-12 | 王敏 | Ground source heat exchange system for green building |
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| JPH1119680A (en) * | 1997-06-30 | 1999-01-26 | Sanyo Electric Co Ltd | Sewage treatment device |
| JP2003260478A (en) * | 2002-03-11 | 2003-09-16 | Fuji Clean Kogyo Kk | Septic tank and usage thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104193026A (en) * | 2014-05-24 | 2014-12-10 | 杭州泉成环保科技有限公司 | Cyclic utilization treatment device for vehicle washing sewage and laundry sewage and water treatment method |
| CN114893931A (en) * | 2022-05-27 | 2022-08-12 | 王敏 | Ground source heat exchange system for green building |
| CN114893931B (en) * | 2022-05-27 | 2023-10-03 | 和璞思德能源顾问(山东)有限公司 | Ground source heat exchange system for green building |
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