CN102452731A - Water treatment equipment with backflushing function - Google Patents
Water treatment equipment with backflushing function Download PDFInfo
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- CN102452731A CN102452731A CN201010525393XA CN201010525393A CN102452731A CN 102452731 A CN102452731 A CN 102452731A CN 201010525393X A CN201010525393X A CN 201010525393XA CN 201010525393 A CN201010525393 A CN 201010525393A CN 102452731 A CN102452731 A CN 102452731A
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Abstract
The invention provides water treatment equipment with a backflushing function. The equipment comprises a body container, a water inlet pipe, a water outlet pipe, fillers and a spiral lifting system. The equipment has the following beneficial effects: the inner space of the body container of the equipment is fully utilized; buckling pipelines hardly exist in the inner space; inner circulation can be formed in the inner space to increase opportunities of contact between sewage and the fillers; the fillers can not be brought out during water outflow after the sewage is treated; and meanwhile, the fillers are convenient to fill and remove. Besides, the invention also provides a method applying the water treatment equipment.
Description
Technical field
The invention belongs to sewage treatment area, particularly, the present invention relates to a kind of water treating equipment with backwashing function; This equipment effectively reduces inner pipeline configuration; Space utilization is reasonable, is not easy to cause inner the obstruction, conveniently loads and remove filler; More can carry out effective back flushing, can efficiently handle sewage filler.
Background technology
The processing of sewage causes people's attention all the more along with increasing day by day of urbanization process, the density of population.Especially, China is the country of a shortage of water resources.Water resource of per capita has only 1/4th of world average level (to be about 2200m
3).The Chinese government proposes adhering to energy conservation priority that under the prerequisite that cuts down the consumption of energy, primary study municipal water recycle utilization is further promoted the sewage facility for the central disposal in city issue National Program for Medium-to Long-term Scientific and Technological Development in 2006.At present country to town domestic sewage handle the main standard of carrying out be " urban wastewater treatment firm pollutant emission standard " (GB18918-2002), stricter pollutant emission standard (GB8978-1996) has been confirmed in " sewage comprehensive discharge mark Huaihe River ".
The treatment technology of sewage comprises the physics method, chemical method and biological process, wherein biological process have efficiently, characteristics cheaply, have the good technical economic advantages, be most widely used technology in the current WWT.According to the different running method of bio-reactor, biological treatment process mainly is divided into following several kinds: activated sludge process, biomembrance process, pool treatment system and land treatment system.For example, Chinese patent 200610089281.8,03130394.3,02151492.5,87100172 and one Chinese patent application 96107115.X, 200610030489.2 etc. all disclose the sewage water treatment method based on biological (especially mikrobe) degraded.
Yet; The capital construction of activated sludge process, pool treatment system and land treatment system and working cost is higher, energy consumption is big, management is also complicated, be prone to problems such as sludge bulking and mud come-up; Limited to nutritive substance removal effects such as nitrogen, phosphorus, also produce a large amount of excess sludges simultaneously.Therefore; Utilize of the domestic sewage treatment device of current miniaturized realized based on the microbial film ratio juris more, discloses the different sewage biological treating equipment of some structures like Chinese patent 03100398.2,98102537.4 and one Chinese patent application 200810196658.9,200810063302.8 etc.Yet these equipment do not have to make full use of the internal space to be separated, and the equipment volume waste that therefore designs is more serious, is not suitable for being generalized to comparatively narrow and small urban family or residential quarter and uses.
The inventor also proposed one Chinese patent application 200910157951.9; Although this sewage biological treating equipment integrated level is high, requisite space is little, for water inlet continuously, processing and water outlet, although it adopts the spherical global design that gets; But it is the same with aforesaid sewage disposal device; The zigzag pipeline configuration has mostly been adopted in inside, flows through area to increase current, thereby increases and the contacting of filler; But such pipeline configuration stays the dead angle in zigzag pipeline bending place easily and is difficult for flushing, cleaning, and when water outlet, easily the filler and the water of inside is brought out together, and it is very not convenient to load and remove filler in addition yet.
In order to overcome the defective of prior art; Satisfy current urban cells, the family needs to sanitary sewage disposal, the inventor is through the empirical discovery after studying for a long period of time, and urban cells, family extremely do not pay close attention to real-time to sanitary sewage disposal; Because it is different with industrial continuity; Household water and draining have intermittence, and early morning is with the period water amount of blowdown is many at dusk, and the water amount of blowdown at midnight can be ignored basically; Therefore can centralized collection in water treating equipment, adopt the circulating inside mechanism of water treating equipment and increase and the contacting of filler; And, need make a large amount of changes and improvement to the internal structure details of water treating equipment in order to obey the defective of prior aries such as zigzag pipeline configuration.Therefore; The inventor has designed a kind of water treating equipment through painstaking efforts, not only makes full use of the internal space; The inner structure that does not almost have the pipeline bending; And can form internal recycle in inside and increase the touch opportunity with filler, and can not bring out filler during the water outlet after disposing of sewage, it is also very convenient to load and remove filler simultaneously.In addition, the inventor has also developed the method for using these water treating equipment.
Summary of the invention
The object of the present invention is to provide water treating equipment with backwashing function; Make full use of this device interior space; And inside does not almost have the structure of pipeline bending and still can form the internal recycle current with the touch opportunity of increase with filler; Adopt the effectively global design of recoil water-in, water outlet, discharge port and lower filter screen etc., can not bring out filler during water outlet after disposing of sewage, it is also very convenient to load and remove filler simultaneously.In addition, the present invention also aims to provide the method that these water treating equipment are disposed of sewage and carried out back flushing of using.
Particularly, the invention provides water treating equipment, comprise main body container (2), main body container (2) shell, penstock (3), water output duct (5) and filler, it is characterized in that with backwashing function,
The inside of main body container (2) is divided into these three internal space parts of epicoele (31), lumen (32) and cavity of resorption (33) from top to bottom by upper filter screen (34) and lower filter screen (35); Wherein the filter opening size of upper filter screen (34) and lower filter screen (35) all less than the particle size of filler, is in the lumen (32) thereby can limit filler;
Main body container (2) shell that is positioned at epicoele (31) top is provided with the water-in (23) that links to each other with penstock (3), thereby can make water flow into epicoele (31) from main body container (2) is outside through water-in (23);
Upper filter screen (34) is provided with the hole of allowing that just sleeve pipe (36) passes, and sleeve pipe (36) passes upper filter screen (34), and the upper edge of its middle sleeve (36) is higher than upper filter screen (34), and the lower edge of sleeve pipe (36) is lower than upper filter screen (34);
Main body container (2) shell that is positioned at lumen (32) top is provided with opening for feed (21), thereby can be with the filler lumen (32) of packing into; Main body container (2) shell that is positioned at lumen (32) bottom is provided with discharge port (22), thereby can filler be shifted out lumen (32);
The bottom enclosure of main body container (2) is provided with recoil water-in (24); The reflexive edge, the mouth of a river (24) of rushing in of lower filter screen (35) extends to discharge port (22) lower edge, thereby the cavity of resorption (33) that lower filter screen (35) and main body container (2) shell are surrounded becomes the space that a through hole is arranged;
Main body container (2) shell that is positioned at cavity of resorption (33) bottom is provided with the water outlet (25) that links to each other with water output duct (5), thereby can make water flow out to main body container (2) outside from cavity of resorption (33) through water outlet (25);
And; These water treating equipment also comprise spiral lifting system (1); It comprises drive-motor (11) and penetrates and pass sleeve pipe (36) and extend to the above spiral lifting rod (12) of recoil water-in (24) from the top enclosure of main body container (2) that drive-motor (11) can drive spiral lifting rod (12) rotation and upwards promote current with formation.
These water treating equipment are particularly useful for handling the sanitary sewage disposal of sewage, particularly urban family or family set (like or several buildings, and even whole sub-district).Certainly along with the increase of number of users, should increase the volume of the main body container (2) of these water treating equipment adaptably, this can confirm through the sewer total amount of measuring user's ().
The main body container of these water treating equipment (2) can be a different shape, like cylindrical, cubes etc.In embodiment of the present invention, preferred main body container (2) is cylindrical.Also preferred, all openings and hole in these water treating equipment are like water-in (23), water outlet (25), recoil water-in (24), opening for feed (21), discharge port (22) etc.; Rounded; Correspondingly, the pipeline that is connected with these openings or contacts, valve etc. are like sleeve pipe (36), penstock (3), water output duct (5) etc.; Xsect is also rounded, although these parts can adopt other shapes fully.
In these water treating equipment; Water-in (23), water outlet (25), recoil water-in (24), opening for feed (21), discharge port (22) and recoil water outlet (26) can be provided with valve or the pipeline that is attached thereto is provided with valve, control the unlatching and the closure of these openings thus.The bore of water-in (23), water outlet (25), recoil water-in (24) and recoil water outlet (26) can be less, like 10mm-100mm, and 50mm preferably, only otherwise influence current passes through to get final product.But, opening for feed (21) and discharge port (22), especially discharge port (22), for ease the packing into and remove of filler, its bore is bigger usually, passes through as allowing hand or tools for loading (like scuppit etc.), usually more than the bore 150mm, like 200-300mm.
In this article, for the sake of clarity, following term all have those skilled in the art the implication that can understand, refer to more than the mid-height that like " top " " bottom " refers to below the mid-height.The upper edge of preferred feedstock mouth (21) is as close as possible to be positioned near main body container (2) housing parts of lumen (32) upper edge, can conveniently load more filler like this; The lower edge of preferred discharge port (22) is as close as possible to be positioned near main body container (2) housing parts of lumen (32) lower edge, can conveniently remove filler like this.
In these water treating equipment, preferred sleeve pipe (36) is vertically to pass hole that upper filter screen (34) is provided with.In this article; For the sake of clarity; The size of " allowing the hole that sleeve pipe (36) passes just " just in time can be held sleeve pipe (36) outer wall; Between sleeve pipe (36) outer wall and upper filter screen (34), do not have the slit, water can be from epicoele (31) via flowing directly into lumen (32) between sleeve pipe (36) outer wall and the upper filter screen (34).
In these water treating equipment, the water-in (24) that preferably recoils is over against sleeve pipe (36), and also preferred spiral lifting rod (12) is that the top enclosure from main body container (2) vertically penetrates and vertically passes sleeve pipe (36) and extends to more than the recoil water-in (24).Spiral lifting rod (12) can still not stretch into recoil water-in (24) near recoil water-in (24), prevents to block recoil water-in (24).Can be attached with a plurality of blades in the rotating shaft of spiral lifting rod (12); These blades have certain curvature; Can drive on the current direction when making spiral lifting rod (12) towards a direction rotation and flow, such design is well known to those skilled in the art in the design of steamer paddle.The optimum seeking site that spiral lifting rod (12) passes the top enclosure of main body container (2) is provided with gasket (13), can prevent to leak here.
In these water treating equipment, recoil water-in (24) just is in cavity of resorption (33) the spatial through hole position that lower filter screen (35) and main body container (2) shell surround, and the water-in (24) that preferably recoils is positioned at the center of the bottom enclosure of main body container (2).
In these water treating equipment, water-in (23) and water outlet (25) can have one or more, and correspondingly, penstock (3) and water output duct (5) also can have one or more, and recoil water-in (24) has only one usually.
In these water treating equipment, main body container (2) shell that is preferably placed at epicoele (31) top is provided with inspection port (28), thereby can observe the situation in the epicoele (31).Inspection port (28) covers with the glass of ability printing opacity usually, is convenient to people and observes inner case.In use, make the sewage level of injection be higher than the upper edge of sleeve pipe (36) usually, help when spiral lifting rod (12) rotates, forming lasting current like this.
In these water treating equipment, main body container (2) shell that is preferably placed at lumen (32) top is provided with recoil water outlet (26).Although water-in (23) itself can be as the recoil water outlet; But find through the inventor; Water-in (23) will pass through penstock (3) in actual use and link to each other with source of sewage; This part connects normally fixed, the inconvenient dismounting of user, the therefore preferred use water outlet (26) that independently recoils.Recoil water outlet (26) links to each other with recoil rising pipe (6) usually.The upper edge of preferred recoil water outlet (26) is as close as possible to be positioned at main body container (2) housing parts near lumen (32) upper edge, the filler in the back flushing lumen (32) so to greatest extent.
In these water treating equipment, the bottom enclosure of preferred main body container (2) is provided with support (27).Move for ease, support can also be provided with wheel on (27).
In these water treating equipment, be provided with whipping appts in the preferred epicoele (31).Although sewage will pass through deposition earlier or filter; The removal solid impurity, but the impossible removal of solid impurity is very thorough in actual the use, therefore has tiny impurity and flows into epicoele (31); In the course of time; Can cause the filter opening of upper filter screen (34) to block, so thereby need be provided with whipping appts is difficult for making tiny solid impurity to block upper filter screen (34), the pitch time that prolongation needs cleaning to safeguard; In addition, the air that stirring can increase epicoele (31) top dissolves in the sewage, increases the dissolved oxygen (DO) of sewage.Spiral lifting rod (12) if rotating shaft on the partial blade that adheres to be positioned at epicoele (31), these blades can be regarded as whipping appts.But,, can use bigger rotor segment (37) in order to strengthen the degree of stirring.Rotor segment (37) can adopt independent motor and rotating shaft to drive, but preferred rotor segment (37) just is connected in the rotating shaft of spiral lifting rod (12), can driven rotary scraper plate (37) stirs along with the rotation of spiral lifting rod (12).
In these water treating equipment, the density of preferred filler is less than the density of water.The lower edge of sleeve pipe (36) is lower than lower filter screen (34); And the bottom that is higher than spiral lifting rod (12) like this; Filler can float and be higher than the lower edge of sleeve pipe (36), in spiral lifting rod (12) rotary lifting current, is not easy filler is brought in sleeve pipe (36) and the epicoele (31).Therefore, the lower edge of preferred sleeve pipe (36) is lower than main body container (2) water filling and filler bottom after the filler come-up.
Filler can be a gac, and like fruit shell carbon, carbo lignius, coconut husk charcoal and ature of coal charcoal, its density is generally 0.45-0.55g/cm
3Preferred filler is biological cubes carrier.In this article, for the sake of clarity, " biological cubes carrier " refers to the porous support of cubic shaped.Such carrier not only is convenient to let the tiny organism carry of mikrobe or other ability degradation of sewage compositions grow above that; And owing to used the cubes carrier; Mikrobe is in the growth of the position of its surface and inner different depths; Brought different oxygen content districts from the inside to the outside for the cubes carrier, form anaerobic zone, oxygen-starved area and aerobic zone, improved biodegradable efficient thus for different types of biological growth.Through studying for a long period of time, we have optimized some characteristics of biological cubes carrier.For example wherein, the length of side of preferred biological cubes carrier is 0.5-2cm, more preferably 1cm.Also preferred, the porosity of biological cubes carrier is greater than 95%, as 96%, 98%, 99% or 99.5%.Also preferred, biological cubes carrier is processed by sponge or polyurethane.Living weight that further can the enrichment of preferred biological cubes carrier can reach 12000-30000MLSS kg/m
3, promptly unit volume (cubic meter) the unit time (my god) in organism amount that aeration bore be 12000-30000kg.Greatly improved biodegradable efficient thus, more beat all is that excess sludge greatly reduces.This possibly be because: the anaerobism of biological cubes carrier, aerobic synergy; Microbe carrier has very big specific surface area can adhere to a large amount of mikrobes, so the ability force rate traditional method of decomposing organic matter is strengthened greatly; Change oxygen supply condition, make little oxygen promote a year intravital anaerobic environment; Suspended substance in the sewage can (organism, solids, mud) rapidly, effectively gather the inside and the surface of carrier, thereby mud is effectively decomposed.
In addition, the invention provides and use the method that these water treating equipment are disposed of sewage, it comprises:
(1) solid impurity in the removal sewage;
(2) sewage is injected main body container (2) from water-in (23), make the water surface be higher than the upper edge of sleeve pipe (36);
(3) start drive-motor (11) thus drive spiral lifting rod (12) rotation;
(4) open water outlet (25) to obtain treated sewage.
Wherein, the sewage that injects in the step (2) is not filled with epicoele (31) usually.
Preferably, use in the method that these water treating equipment dispose of sewage, sewage is sewage.
Also have, the invention provides these water treating equipment of application and clean the wherein method of filler, it comprises:
(1) clear water is injected main body container (2) from recoil water-in (24);
(2) open water-in (23) or recoil water outlet (26), the water in the main body container (2) is discharged.
This method is exactly a backwash process, is used to clean filler, thereby increases the duration of service of filler, reduces use cost.
The beneficial effect that the present invention can obtain has: equipment of the present invention not only makes full use of the internal space, and adopts circulating inside mechanism and increase and the contacting of filler, and has further practiced thrift the required occupation space of filler; Such circulating inside mechanism can not influence the required processing demands of the intermittent sewer in city resident and sub-district basically for the processing of sewage; Device interior does not almost have the structure of pipeline bending; Therefore the required processing requirement of device fabrication is lower, production cost is lower, work reliability is better, be easier to maintenance, longer service life; And be difficult for staying the dead angle of pipeline bending place, be convenient to such as back flushing the time, clear up; Rational structure can not bring out filler when making water outlet after disposing of sewage, and it is also very convenient to load and remove filler simultaneously.
For the ease of understanding, below will describe in detail the present invention through concrete accompanying drawing and embodiment.What need particularly point out is that specific examples and accompanying drawing only are in order to explain, not constitute limitation of the scope of the invention.Obviously those of ordinary skill in the art can explain according to this paper, within the scope of the invention the present invention is made various corrections and change, and these corrections and change are also included in the scope of the present invention.In addition; The present invention has quoted open source literature (like specific patent etc.); These documents also are in order more clearly to describe the present invention, and their full text content is all included the present invention in and carried out reference, just look like they full text in specification sheets of the present invention repeated description the same excessively.
Description of drawings
Fig. 1 is the diagrammatic cross-section of water treating equipment of the present invention.
Embodiment
As shown in Figure 1, the water treating equipment with backwashing function comprise columniform main body container 2, main body container 2 shells, penstock 3, water output duct 5 and filler, and wherein,
The inside of main body container 2 is divided into epicoele 31, lumen 32 and cavity of resorption 33 these three internal space parts from top to bottom by upper filter screen 34 and lower filter screen 35; Wherein the filter opening size of upper filter screen 34 and lower filter screen 35 is in the lumen 32 thereby can limit filler all less than the particle size of filler;
The bottom enclosure of main body container 2 is provided with recoil water-in 24, and recoil water-in 24 is positioned at the center of the bottom enclosure of main body container 2; Lower filter screen 35 reflexive 24 edges, the mouth of a river of rushing in extend to discharge port 22 lower edges, thereby the cavity of resorption 33 that lower filter screen 35 and main body container 2 shells are surrounded becomes the space that a through hole is arranged;
And; These water treating equipment also comprise spiral lifting system 1; It comprises drive-motor 11 and penetrates and vertically pass sleeve pipe 36 and extend to the recoil spiral lifting rod 12 of water-in 24 or more from the top enclosure of main body container 2 is vertical that drive-motor 11 can drive 12 rotations of spiral lifting rod and upwards promote current with formation; The optimum seeking site that spiral lifting rod 12 passes the top enclosure of main body container 2 is provided with gasket 13, can prevent to leak here; Be attached with a plurality of blades in the rotating shaft of spiral lifting rod 12, these blades have certain curvature, can drive on the current direction when making spiral lifting rod 12 towards a direction rotation and flow, and in main body container 2, carry out internal recycle thereby form current; Rotor segment 37 just is connected in the rotating shaft of spiral lifting rod 12, can driven rotary scraper plate 37 stirs along with the rotation of spiral lifting rod 12.
Wherein, all openings and hole in these water treating equipment are like water-in 23, water outlet 25, recoil water-in 24, opening for feed 21, discharge port 22 etc.; Rounded; Correspondingly, the pipeline that is connected with these openings or contacts, valve etc. are like sleeve pipe 36, penstock 3, water output duct 5 etc.; Xsect is also rounded, although these parts can adopt other shapes fully; And water-in 23, water outlet 25, recoil water-in 24, opening for feed 21, discharge port 22 and recoil water outlet 26 can be provided with valve or the pipeline that is attached thereto is provided with valve, control the unlatching and the closure of these openings thus.
In addition, in these water treating equipment, main body container 2 shells that are positioned at epicoele 31 tops are provided with inspection port 28, with the glass covering of ability printing opacity, observe the situation in the epicoele 31 thereby can be convenient to people; Main body container 2 shells that are positioned at lumen 32 tops are provided with the recoil water outlet 26 that links to each other with the rising pipe 6 that recoils; And the bottom enclosure of main body container 2 is provided with support 27.
Be filled with the biological cubes carrier of half lumen 32 volumetrical in the lumen 32, the length of side of wherein biological cubes carrier is 1cm, and it is processed by polyurethane, and porosity is greater than 95%, and the living weight of its enrichment can reach 12000-30000MLSS kg/m
3And the lower edge of sleeve pipe 36 is lower than main body container (2) water filling and filler bottom after the filler come-up.
The use of embodiment 2 water treating equipment
Use the embodiment of the invention 1 described water treating equipment to carry out sanitary sewage disposal.Particularly; At first, left standstill sewage 3-8 hour, drag for swimmer; Close all openings except that water-in 23; (water inlet COD average out to 241.6mg/L) injects main body container 2 from water-in 23 with liquid, and water can and penetrate cavity of resorption 33 from sleeve pipe 36 inner inflow lumens 32, just stops to inject sewage until the upper edge that makes the water surface be higher than sleeve pipe 36.Then, drive of the speed rotation of spiral lifting rod 12, drive the blade and the rotor segment 37 that connect in the rotating shaft and rotate, so carried out 8 hours with 15rpm thereby start drive-motor 11.Then, open water outlet 25 and let inner water flow out, measuring treated COD of sewage is 25.1mg/L, and the COD average removal rate is 89.6%.It is thus clear that water treating equipment of the present invention can carry out sanitary sewage disposal efficiently through effects such as absorption.Then, can repeat said process, 8 hours interval just in time can adapt to sewage discharging rule.
When using the embodiment of the invention 1 described water treating equipment to carry out sanitary sewage disposal after three months, water treatment efficiency drops to below 70%, need carry out backwash operation, cleans filler wherein.Particularly; Opening water outlet 25 lets inner current to the greatest extent; Close all openings except that recoil water-in 24 and recoil water outlet 26 then, continue clear water is injected in the main body container 2 from recoil water-in 24 through pressure pump, water will constantly be discharged from the water outlet 26 that recoils; Water color until discharging is constant, accomplishes backwash operation thus.Then, close recoil water-in 24 and recoil water outlet 26, open water outlet 25 and let inner current to the greatest extent, can proceed the sanitary sewage disposal process.
Claims (10)
1. the water treating equipment that have backwashing function comprise main body container (2), main body container (2) shell, penstock (3), water output duct (5) and filler, it is characterized in that,
The inside of main body container (2) is divided into these three internal space parts of epicoele (31), lumen (32) and cavity of resorption (33) from top to bottom by upper filter screen (34) and lower filter screen (35); Wherein the filter opening size of upper filter screen (34) and lower filter screen (35) all less than the particle size of filler, is in the lumen (32) thereby can limit filler;
Main body container (2) shell that is positioned at epicoele (31) top is provided with the water-in (23) that links to each other with penstock (3), thereby can make water flow into epicoele (31) from main body container (2) is outside through water-in (23);
Upper filter screen (34) is provided with the hole of allowing that just sleeve pipe (36) passes, and sleeve pipe (36) passes upper filter screen (34), and the upper edge of its middle sleeve (36) is higher than upper filter screen (34), and the lower edge of sleeve pipe (36) is lower than upper filter screen (34);
Main body container (2) shell that is positioned at lumen (32) top is provided with opening for feed (21), thereby can be with the filler lumen (32) of packing into; Main body container (2) shell that is positioned at lumen (32) bottom is provided with discharge port (22), thereby can filler be shifted out lumen (32);
The bottom enclosure of main body container (2) is provided with recoil water-in (24); The reflexive edge, the mouth of a river (24) of rushing in of lower filter screen (35) extends to discharge port (22) lower edge, thereby the cavity of resorption (33) that lower filter screen (35) and main body container (2) shell are surrounded becomes the space that a through hole is arranged;
Main body container (2) shell that is positioned at cavity of resorption (33) bottom is provided with the water outlet (25) that links to each other with water output duct (5), thereby can make water flow out to main body container (2) outside from cavity of resorption (33) through water outlet (25);
And; These water treating equipment also comprise spiral lifting system (1); It comprises drive-motor (11) and penetrates and pass sleeve pipe (36) and extend to the above spiral lifting rod (12) of recoil water-in (24) from the top enclosure of main body container (2) that drive-motor (11) can drive spiral lifting rod (12) rotation and upwards promote current with formation.
2. water treating equipment according to claim 1 is characterized in that, main body container (2) shell that is positioned at epicoele (31) top is provided with inspection port (28), thereby can observe the situation in the epicoele (31).
3. water treating equipment according to claim 1 is characterized in that, main body container (2) shell that is positioned at lumen (32) top is provided with recoil water outlet (26).
4. water treating equipment according to claim 1 is characterized in that, the bottom enclosure of main body container (2) is provided with support (27).
5. water treating equipment according to claim 1 is characterized in that, epicoele is provided with whipping appts in (31).
6. water treating equipment according to claim 1 is characterized in that the density of filler is less than the density of water.
7. water treating equipment according to claim 6 is characterized in that, filler is biological cubes carrier.
8. application rights requires the method that 1 to 7 arbitrary described water treating equipment are disposed of sewage, and it comprises:
(1) solid impurity in the removal sewage;
(2) sewage is injected main body container (2) from water-in (23), make the water surface be higher than the upper edge of sleeve pipe (36);
(3) start drive-motor (11) thus drive spiral lifting rod (12) rotation;
(4) open water outlet (25) to obtain treated sewage.
9. method of disposing of sewage according to claim 8, wherein sewage is sewage.
10. the arbitrary described water treating equipment of application rights requirement 1 to 7 clean the wherein method of filler, and it comprises:
(1) clear water is injected main body container (2) from recoil water-in (24);
(2) open water-in (23) or recoil water outlet (26), the water in the main body container (2) is discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010525393XA CN102452731A (en) | 2010-11-01 | 2010-11-01 | Water treatment equipment with backflushing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010525393XA CN102452731A (en) | 2010-11-01 | 2010-11-01 | Water treatment equipment with backflushing function |
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| Publication Number | Publication Date |
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| CN102452731A true CN102452731A (en) | 2012-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010525393XA Pending CN102452731A (en) | 2010-11-01 | 2010-11-01 | Water treatment equipment with backflushing function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981093A (en) * | 2019-12-11 | 2020-04-10 | 中国水产科学研究院黑龙江水产研究所 | Spiral automatic backflushing device and method for floating ball biological filter |
| CN114671577A (en) * | 2022-05-30 | 2022-06-28 | 无棣永利盐业有限公司 | Denitrification purification method for mariculture wastewater |
-
2010
- 2010-11-01 CN CN201010525393XA patent/CN102452731A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981093A (en) * | 2019-12-11 | 2020-04-10 | 中国水产科学研究院黑龙江水产研究所 | Spiral automatic backflushing device and method for floating ball biological filter |
| CN114671577A (en) * | 2022-05-30 | 2022-06-28 | 无棣永利盐业有限公司 | Denitrification purification method for mariculture wastewater |
| CN114671577B (en) * | 2022-05-30 | 2022-08-26 | 无棣永利盐业有限公司 | Denitrification purification method for mariculture wastewater |
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Application publication date: 20120516 |