CN1982237A - Quick-decomposing biological sewage treatment and treating system - Google Patents
Quick-decomposing biological sewage treatment and treating system Download PDFInfo
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- CN1982237A CN1982237A CNA2005101321509A CN200510132150A CN1982237A CN 1982237 A CN1982237 A CN 1982237A CN A2005101321509 A CNA2005101321509 A CN A2005101321509A CN 200510132150 A CN200510132150 A CN 200510132150A CN 1982237 A CN1982237 A CN 1982237A
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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
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Abstract
A fast biological sewage treatment and its system are disclosed. The process is carried out by filtering, collecting, purification treating by biochemical ball in biochemical tank, sterilizing and re-collecting. The system consists of tank and fan, tank is connected by regulating tank, distributing tank, biochemical tank, collecting tank and normal water tank sequentially; multi-biochemical balls, regulating tank, distributing tank, collecting tank and normal water tank are laminated stacked in biochemical tank, and aeration pipes are connected with fan. It's simple, cheap and efficient, has strong anti-impact loading performance and no poisonous gas.
Description
Technical field
The present invention relates to a kind of method and system that sewage is handled.
Background technology
Along with the development of town and country industrial or agricultural construction and domestic life Facilities Construction, the consumption of water resources is increasing, and saving limited water resource and sewage handled to utilize has again become an important problem.With sanitary sewage, waste water and the part trade effluent of urban and rural residents as in the water source, after purifying, reach the water quality standard of reclaimed water, can alleviate the situation of water scarcity, can play the purpose that prevents water pollution and protect environment simultaneously.For sewage is purified, multiple sewage water treatment method is arranged, as traditional activated sludge process, anoxic-aerobic biological denitrification process, anaerobic-aerobic biological phosphate-eliminating technology, adsorption biodegradation, oxidation ditch process and intermittent activated sludge process etc., these sewage water treatment methods mostly carry out water treatment procedure in the single creature environment, ubiquity shortcomings such as investment is big, complex process, degradation rate is low, capacity of resisting impact load is strong, the poisonous gas with foreign flavor of generation.
Summary of the invention
The object of the present invention is to provide that a kind of investment is little, technological process is simple relatively, degradation rate is high, capacity of resisting impact load is strong, and treating processes does not produce the quick-decomposing biological sewage water treatment method and the system of poisonous gas with foreign flavor.
Quick-decomposing biological sewage water treatment method of the present invention may further comprise the steps: 1) sewage is filtered particulate matter that filtering is wherein bigger and floating matter; 2) collect filtered sewage and it is carried out aeration; 3) sewage that will be after aeration is handled is introduced a plurality of speed of banking up and is divided the speed of biochemistry balls to divide to carry out purifying treatment in the biochemistry pool, carry out aeration simultaneously; 4) water after step 3) is handled is carried out disinfection, carry out aeration simultaneously; 5) water of collection after step 4) is handled.
Quick-decomposing biological sewage water treatment method of the present invention wherein uses chlorine, ozone or ultraviolet ray to carry out disinfection in described step 4).
Quick-decomposing biological Sewage treatment systems of the present invention, comprise pond body and blower fan, described pond body is by equalizing tank, distribution reservoir, speed is divided biochemistry pool, water collecting basin and middle pond are connected in sequence, described equalizing tank is provided with water inlet, be provided with filtering grid in the described water inlet, described equalizing tank bottom is provided with water pump, the through hole on the water pipe partition wall top between described equalizing tank and distribution reservoir that links to each other with described water pump stretches into the described distribution reservoir, be provided with water distribution rectification wall between described distribution reservoir and the speed branch biochemistry pool, have a plurality of through holes on the described water distribution rectification wall, described speed divides in the biochemistry pool layering a plurality of speed of banking up to divide biochemistry balls, described speed divides the stacking height of biochemistry ball to be higher than the design height of sewage level, be provided with the rectification wall that catchments between described speed branch biochemistry pool and the water collecting basin, have a plurality of through holes on the described rectification wall that catchments, be provided with partition wall between described water collecting basin and the middle pond, described partition wall is provided with overflow weir, the pond is provided with water outlet, described equalizing tank in described, distribution reservoir, speed is divided biochemistry pool, be respectively equipped with the aeration tube that links to each other with described blower fan by pipeline at the bottom of the pond in water collecting basin and middle pond.
Quick-decomposing biological Sewage treatment systems of the present invention is installed the rectangular weir of a cross-sectional shape on the described partition wall of wherein said distribution reservoir one side, described through hole is higher than the installation site of described weir on described partition wall.
Quick-decomposing biological Sewage treatment systems of the present invention wherein also comprises sterilizing unit.
Quick-decomposing biological Sewage treatment systems of the present invention, also be provided with sterilization pool between wherein said water collecting basin and the middle pond, be respectively equipped with partition wall between described water collecting basin and the sterilization pool and between described sterilization pool and the middle pond, be respectively equipped with overflow weir on the described partition wall, described sterilizing unit links to each other with described sterilization pool.
Quick-decomposing biological Sewage treatment systems of the present invention, wherein said sterilizing unit use chlorine to carry out disinfection, and comprise that also the chlorine residue self-con-tained unit links to each other with described sterilization pool.
Quick-decomposing biological Sewage treatment systems of the present invention also is provided with the weir that is lower than the sewage level design height in the wherein said water collecting basin.
Quick-decomposing biological Sewage treatment systems of the present invention, comprise blower fan and the total equalizing tank that connects successively, several sewage disposal modules in parallel and total middle pond, described total equalizing tank is provided with water inlet, be provided with filtering grid in the described water inlet, described sewage disposal module comprises the distribution reservoir that connects successively, speed is divided biochemistry pool and water collecting basin, described distribution reservoir is provided with the water-in of described sewage disposal module, described total equalizing tank bottom is provided with water pump, described total equalizing tank is in parallel with the water-in of each described sewage disposal module by the water pipe that links to each other with described water pump, be provided with water distribution rectification wall between described distribution reservoir and the speed branch biochemistry pool, be provided with the rectification wall that catchments between described speed branch biochemistry pool and the water collecting basin, all have a plurality of through holes on the described water distribution rectification wall and the rectification wall that catchments, described speed divides in the biochemistry pool layering a plurality of speed of banking up to divide biochemistry balls, described speed divides the stacking height of biochemistry ball to be higher than the design height of sewage level, described water collecting basin is provided with the water port of described sewage disposal module, described total middle pond is in parallel by the water port of the described sewage disposal module of water pipe and each, described total middle pond is provided with water outlet, described total equalizing tank, distribution reservoir, speed is divided biochemistry pool, be equipped with the aeration tube that links to each other with described blower fan by pipeline at the bottom of the pond in water collecting basin and total middle pond.
Quick-decomposing biological Sewage treatment systems of the present invention, wherein also comprise total sterilization pool and sterilizing unit, described total sterilization pool be serially connected in described total in before the pond and in parallel by the water port of the described sewage disposal module of water pipe and each, described sterilizing unit links to each other with described total sterilization pool.
Quick-decomposing biological sewage water treatment method of the present invention and system have the following advantages:
1, utilizes speed to divide biochemistry ball to purify waste water, broken through traditional method of under the single creature environment, carrying out sewage disposal, under changeable coenocorrelation, carry out sewage treatment process and change into.
2, adopt fast branch technology, under changeable coenocorrelation, form complete biologic chain, make sewage that anaerobism, aerobic, nitrated, denitrification repeatedly take place in aggregate, and depositions such as lifeless matter corpse, biological movement, biological clay, make mud decrement arrive the not degree of spoil disposal, not only simplify treatment scheme, and produced tangible environment protecting and economic benefit.
3, sewage purification treating processes is divided in the biochemistry ball in speed and is carried out, and wherein the anaerobic treatment process is at the centre of sphere, and the aerobic treatment process is at ectosphere, and the oxygen treating processes of holding concurrently is between the two, and the entire sewage decontamination process is carried out in mobile water continuously, does not produce smell.
4, floor space little (no settling tank, back flushing and sludge treating system), treatment scheme is simple, convenient management, scale of investment is little, and working cost is low.
5, adopt speed to divide biochemical treatment technology, the COD clearance reaches more than 80%, and the BOD clearance reaches more than 85%, and ammonia nitrogen removal frank reaches 90%～95%, and tp removal rate reaches 30%～40%, and degradation rate is very high, and treatment effect is good.
6, sewage purification treating processes is carried out under changeable coenocorrelation, and the entire treatment process is carried out in mobile water continuously, and capacity of resisting impact load is strong.
7, adopt a plurality of speed to divide biochemistry ball to carry out sewage purification simultaneously and handle, need not the active sludge cultivation domestication stage, biofilm is easy, and demoulding is fast, and microorganism growth is fast, and start time is short.
8, practicable modular combination treatment process thoroughly solves large and complete disadvantage in the construction of present sewage work, saves great amount of investment.
Description of drawings
Fig. 1 is the front view of quick-decomposing biological Sewage treatment systems first embodiment of the present invention;
Fig. 2 is a vertical view embodiment illustrated in fig. 1;
Fig. 3 is the distribution schematic diagram of quick-decomposing biological Sewage treatment systems second embodiment of the present invention.
Embodiment
Fig. 1, Fig. 2 are respectively front view and the vertical view of quick-decomposing biological Sewage treatment systems first embodiment of the present invention, and with reference to figure 1 and Fig. 2, this embodiment comprises pond body 13, blower fan 18, sterilizing unit 23 and chlorine residue self-con-tained unit 24.
Wherein, speed divides biochemistry ball 14 for being used for the spheroid of sewage purification, it utilizes the speed branch phenomenon in the fluid, and promptly the suspended substance in the water is always assembled to the slow place of flow velocity, is stacked with speed when dividing the speed of biochemistry ball 14 to divide biochemistry pool 5 when current flow through, form the difference of the inside and outside flow rate of water flow of spheroid, flow velocity is slow in the spheroid, and the outer flow velocity of spheroid is fast, therefore assembles more organism in spheroid, under the dual function of aerating apparatus and current, organism is done slowly moved.In addition, because the difference of the inside and outside keeping condition of spheroid can form changeable coenocorrelation, promote purification to water quality and suspended substance.Speed divides biochemistry ball 14 that various ways is arranged, it such as the patent No. 02253989.1 Chinese utility model patent, a kind of spheroid that is bonded into by a plurality of particles that are processed into by ore or vegetable fibre porous material etc. is disclosed, the gap between particles rate can be between 30%～50%, and sphere diameter can be between 3～30 centimetres.In addition, also have the speed of making by the plastics or the forms such as metal spherical shell filling rubble or baton round filler of band mesh to divide biochemistry ball.
With reference to figure 1 and Fig. 2, quick-decomposing biological sewage water treatment method of the present invention may further comprise the steps:
1) introduce sewage from the water inlet 1 of equalizing tank 3 through the overflow of septic tank post precipitation, by the grid 2 in the water inlet 1 with particulate matter bigger in the sewage and floating matter filtering;
2) will in equalizing tank 3 and by the aeration tube 16 that is positioned at equalizing tank 3 bottoms, carry out aeration through grid 2 filtering sewage collectings;
3) water pump 12 that is installed in equalizing tank 3 bottoms sucks the sewage in the equalizing tank 3 in the distribution reservoir 4 by water pipe, carries out aeration by the aeration tube 19 that is positioned at the bottom of distribution reservoir 4 ponds simultaneously;
4) under the effect of water pump, the a plurality of apertures of sewage in the distribution reservoir 4 from water distribution rectification wall 10 flow into speed and divide in the biochemistry pool 5, being positioned at speed divides the aeration tube 20 of biochemistry pool 5 bottoms constantly to carry out aeration, divide in the biochemistry pool 5 layering a plurality of speed of having banked up to divide biochemistry balls 14 in speed, and make speed divide the stacking height of biochemistry ball 14 to be higher than the sewage level height, when effluent stream through between each the speed spheroid of point biochemistry ball 14 and ball during the space, the inside and outside current difference that forms of spheroid, sewage is lower than flow velocity outside the spheroid at the intravital flow velocity of ball, because speed is divided phenomenon, sewage divides biochemistry ball the 14 inside and outside solid-liquid separation that produce in each speed, and the suspended substance in the sewage accumulates in the spheroid, by biomagnification, all adhere to one deck microbial film at spherome surface and inside, simultaneously, add the effect of aeration oxygen replenishing, make the centre of sphere partly be in anaerobic state, the spheroid skin has been in oxygen condition, be in double oxygen condition between the spheroid ectonexine, the organic suspension thing in the sewage is deposited in the spheroid gradually and by intravital microorganism absorption of ball and degraded, sewage is purified;
5) a plurality of apertures of the water after speed is divided biochemistry pool 5 purifying treatment from the rectification wall 9 that catchments flow in the water collecting basin 6, carry out aeration by 21 pairs of water of the aeration tube at the bottom of the pond simultaneously;
6) overflow weir 28 of the water in the water collecting basin 6 from partition wall 27 flows into the sterilization pool 26, by the water chlorination in 23 pairs of sterilization pools 26 of sterilizing unit, also is provided with the residual quantity of chlorine residue self-con-tained unit 24 control chlorine in sterilization pool 26.Assemble in the pond 7 overflow weir 38 of water after sterilization pool 26 sterilizations from partition wall 39 flows into, in sterilization pool 26 and middle pond 7, carry out aeration by the aeration tube at the bottom of being positioned at the pond 22 respectively.In in the pond 7 water so that can from water outlet 8, flow out and deliver to each watering equipment by variable frequency pump as reuse water, as carwash, greening, road sprinkling and view moisturizing etc.
Figure 3 shows that the distribution schematic diagram of quick-decomposing biological Sewage treatment systems second embodiment of the present invention.This system comprises blower fan, sterilizing unit and the total equalizing tank 29 that connects successively, several sewage disposal modules 30 in parallel, total sterilization pool 33 and total middle pond 31.Total equalizing tank 29 is provided with water inlet 32, be provided with filtering grid in the water inlet 32, sewage disposal module 30 comprises the distribution reservoir that connects successively, speed is divided biochemistry pool and water collecting basin, distribution reservoir is provided with the water-in 34 of sewage disposal module 30, total equalizing tank 29 bottoms are provided with water pump, total equalizing tank 29 is in parallel with the water-in 34 of each sewage disposal module 30 by the water pipe that links to each other with water pump, be provided with water distribution rectification wall between distribution reservoir and the speed branch biochemistry pool, be provided with the rectification wall that catchments between speed branch biochemistry pool and the water collecting basin, all have a plurality of through holes on the water distribution rectification wall and the rectification wall that catchments, speed divides in the biochemistry pool layering a plurality of speed of banking up to divide biochemistry balls, speed divides the stacking height of biochemistry ball to be higher than the design height of sewage level, water collecting basin is provided with the water port 35 of sewage disposal module 30, total sterilization pool 33 is in parallel with the water port 35 of each sewage disposal module 30 by water pipe, sterilizing unit links to each other with total sterilization pool 33, and total middle pond 31 is serially connected in after total sterilization pool 33, and is provided with water outlet 37.Total equalizing tank 29, distribution reservoir, speed divide biochemistry pool, water collecting basin, total sterilization pool 33 with total in be respectively equipped with at the bottom of the pond in pond 31 by the pipeline aeration tube that links to each other with blower fan, constantly carry out aeration to each pond body.
Second embodiment by quick-decomposing biological Sewage treatment systems shown in Figure 3, the combined treatment process of practicable this treatment system, the position and the quantity of sewage disposal module 30 are set flexibly according to sewage work's fund state and sewage disposal scale, reach the fund of rationally utilizing, flexibly the purpose of controlled investment scale.For example, at first reserve the place and the connecting pipeline of required module according to design scale.When sewage work's first stage of construction, sewage load is not under the very big situation, can build a small amount of sewage disposal module earlier, such as module shown in Figure 3 301 and 302, along with the development of sewage work, treatment scale constantly increases, and can constantly increase the sewage disposal module of building reservation, until building up all sewage disposal modules, the sewage disposal scale is reached at full capacity.This moment is under the situation that sewage load descends, but several modules of temporary close also, and scale is controlled very maneuverability.
Claims (10)
1. quick-decomposing biological sewage water treatment method may further comprise the steps:
1) sewage is filtered particulate matter that filtering is wherein bigger and floating matter;
2) collect filtered sewage and it is carried out aeration;
3) sewage that will be after aeration is handled is introduced a plurality of speed of banking up and is divided the speed of biochemistry balls to divide to carry out purifying treatment in the biochemistry pool, carry out aeration simultaneously;
4) water after step 3) is handled is carried out disinfection, carry out aeration simultaneously;
5) water of collection after step 4) is handled.
2. quick-decomposing biological sewage water treatment method according to claim 1 is characterized in that: use chlorine, ozone or ultraviolet ray to carry out disinfection in described step 4).
3. quick-decomposing biological Sewage treatment systems, it is characterized in that: comprise pond body (13) and blower fan (18), described pond body (13) is by equalizing tank (3), distribution reservoir (4), speed is divided biochemistry pool (5), water collecting basin (6) and middle pond (7) are connected in sequence, described equalizing tank (3) is provided with water inlet (1), be provided with filtering grid (2) in the described water inlet (1), described equalizing tank (3) bottom is provided with water pump (12), the through hole (17) on the water pipe that links to each other with described water pump (12) partition wall (25) top between described equalizing tank (3) and distribution reservoir (4) stretches into the described distribution reservoir (4), be provided with water distribution rectification wall (10) between described distribution reservoir (4) and the speed branch biochemistry pool (5), have a plurality of through holes on the described water distribution rectification wall (10), described speed divides in the biochemistry pool (5) layering a plurality of speed of banking up to divide biochemistry balls (14), described speed divides the stacking height of biochemistry ball (14) to be higher than the design height of sewage level, be provided with the rectification wall (9) that catchments between described speed branch biochemistry pool (5) and the water collecting basin (6), have a plurality of through holes on the described rectification wall (9) that catchments, be provided with partition wall between described water collecting basin (6) and middle pond (7), described partition wall is provided with overflow weir, pond (7) is provided with water outlet (8), described equalizing tank (3) in described, distribution reservoir (4), speed is divided biochemistry pool (5), be respectively equipped with the aeration tube (16 that links to each other with described blower fan (18) by pipeline at the bottom of the pond of water collecting basin (6) and middle pond (7), 19,20,21,22).
4. quick-decomposing biological Sewage treatment systems according to claim 3, it is characterized in that: the described partition wall (25) of described distribution reservoir (4) one sides is gone up the rectangular weir (11) of a cross-sectional shape is installed, and described through hole (17) is higher than the installation site of described weir (11) on described partition wall (25).
5. quick-decomposing biological Sewage treatment systems according to claim 4 is characterized in that: also comprise sterilizing unit (23).
6. quick-decomposing biological Sewage treatment systems according to claim 5, it is characterized in that: also be provided with sterilization pool (26) between described water collecting basin (6) and middle pond (7), be respectively equipped with partition wall (27) and partition wall (39) between described water collecting basin (6) and the sterilization pool (26) and between described sterilization pool (26) and middle pond (7), be respectively equipped with overflow weir (28) and overflow weir (38) on described partition wall (27) and the partition wall (39), described sterilizing unit (23) links to each other with described sterilization pool (26).
7. quick-decomposing biological Sewage treatment systems according to claim 6 is characterized in that: described sterilizing unit (23) uses chlorine to carry out disinfection, and comprises that also chlorine residue self-con-tained unit (24) links to each other with described sterilization pool (26).
8. quick-decomposing biological Sewage treatment systems according to claim 7 is characterized in that: also be provided with the weir (15) that is lower than the sewage level design height in the described water collecting basin (6).
9. quick-decomposing biological Sewage treatment systems, it is characterized in that: comprise blower fan and the total equalizing tank (29) that connects successively, the sewage disposal module (30) that several are in parallel and total middle pond (31), described total equalizing tank (29) is provided with water inlet (32), described water inlet is provided with filtering grid in (32), described sewage disposal module (30) comprises the distribution reservoir that connects successively, speed is divided biochemistry pool and water collecting basin, described distribution reservoir is provided with the water-in (34) of described sewage disposal module (30), described total equalizing tank (29) bottom is provided with water pump, described total equalizing tank (29) is in parallel with the water-in (34) of each described sewage disposal module (30) by the water pipe that links to each other with described water pump, be provided with water distribution rectification wall between described distribution reservoir and the speed branch biochemistry pool, be provided with the rectification wall that catchments between described speed branch biochemistry pool and the water collecting basin, all have a plurality of through holes on the described water distribution rectification wall and the rectification wall that catchments, described speed divides in the biochemistry pool layering a plurality of speed of banking up to divide biochemistry balls, described speed divides the stacking height of biochemistry ball to be higher than the design height of sewage level, described water collecting basin is provided with the water port (35) of described sewage disposal module (30), described total middle pond (31) is in parallel by the water port (35) of the described sewage disposal module of water pipe and each (30), described total middle pond (31) is provided with water outlet (37), described total equalizing tank (29), distribution reservoir, speed is divided biochemistry pool, be equipped with the aeration tube that links to each other with described blower fan by pipeline at the bottom of the pond in water collecting basin and total middle pond (31).
10. quick-decomposing biological Sewage treatment systems according to claim 9, it is characterized in that: also comprise total sterilization pool (33) and sterilizing unit, described total sterilization pool (33) be serially connected in described total in pond (31) before and in parallel by the water port (35) of the described sewage disposal module of water pipe and each (30), described sterilizing unit links to each other with described total sterilization pool (33).
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| CNB2005101321509A CN100519449C (en) | 2005-12-16 | 2005-12-16 | Quick-decomposing biological sewage treatment method and treating system |
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| CNB2005101321509A CN100519449C (en) | 2005-12-16 | 2005-12-16 | Quick-decomposing biological sewage treatment method and treating system |
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| CN100519449C CN100519449C (en) | 2009-07-29 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819035A (en) * | 2014-02-26 | 2014-05-28 | 中天建设集团有限公司 | Fast-separation type sewage treatment system |
| CN103864160A (en) * | 2014-02-26 | 2014-06-18 | 中天建设集团有限公司 | Quick separating pool for quick separating type sewage treatment systems |
| CN104631562A (en) * | 2015-01-29 | 2015-05-20 | 无锡昊瑜节能环保设备有限公司 | Underground water supplementing pool for multiple tandem green landscape |
| CN104973695A (en) * | 2014-04-12 | 2015-10-14 | 浙江欣捷建设有限公司 | Quick-separating-type sewage treatment system construction method |
| CN105198164A (en) * | 2015-10-12 | 2015-12-30 | 桂林市春晓环保科技有限公司 | Wastewater treatment device |
| CN109502928A (en) * | 2019-01-07 | 2019-03-22 | 昆明科净源环保科技有限公司 | Rain dirt mixing water, black and odorous water governing system |
| CN109650669A (en) * | 2019-01-28 | 2019-04-19 | 江苏融汇环境工程有限公司 | Oligodynamic sewage treatment system |
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2005
- 2005-12-16 CN CNB2005101321509A patent/CN100519449C/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819035A (en) * | 2014-02-26 | 2014-05-28 | 中天建设集团有限公司 | Fast-separation type sewage treatment system |
| CN103864160A (en) * | 2014-02-26 | 2014-06-18 | 中天建设集团有限公司 | Quick separating pool for quick separating type sewage treatment systems |
| CN103819035B (en) * | 2014-02-26 | 2016-02-10 | 中天建设集团有限公司 | Speed fraction Sewage treatment systems |
| CN104973695A (en) * | 2014-04-12 | 2015-10-14 | 浙江欣捷建设有限公司 | Quick-separating-type sewage treatment system construction method |
| CN104631562A (en) * | 2015-01-29 | 2015-05-20 | 无锡昊瑜节能环保设备有限公司 | Underground water supplementing pool for multiple tandem green landscape |
| CN104631562B (en) * | 2015-01-29 | 2016-05-18 | 佛山市顺德区顺茵绿化设计工程有限公司 | The underground moisturizing pond of the Afforestation Landscape of multiple series connection |
| CN105198164A (en) * | 2015-10-12 | 2015-12-30 | 桂林市春晓环保科技有限公司 | Wastewater treatment device |
| CN109502928A (en) * | 2019-01-07 | 2019-03-22 | 昆明科净源环保科技有限公司 | Rain dirt mixing water, black and odorous water governing system |
| CN109502928B (en) * | 2019-01-07 | 2024-05-14 | 昆明科净源环保科技有限公司 | Rain and sewage mixed water and black and odorous water body treatment system |
| CN109650669A (en) * | 2019-01-28 | 2019-04-19 | 江苏融汇环境工程有限公司 | Oligodynamic sewage treatment system |
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| Publication number | Publication date |
|---|---|
| CN100519449C (en) | 2009-07-29 |
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