CN103638699A - Composite precipitation tank - Google Patents
Composite precipitation tank Download PDFInfo
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- CN103638699A CN103638699A CN201310738354.1A CN201310738354A CN103638699A CN 103638699 A CN103638699 A CN 103638699A CN 201310738354 A CN201310738354 A CN 201310738354A CN 103638699 A CN103638699 A CN 103638699A
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- sedimentation tank
- horizontal flow
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- swash plate
- sloping plate
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- 239000002131 composite material Substances 0.000 title claims abstract description 48
- 238000001556 precipitation Methods 0.000 title description 3
- 238000004062 sedimentation Methods 0.000 claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 230000007704 transition Effects 0.000 claims abstract description 36
- 239000010802 sludge Substances 0.000 claims description 4
- 230000002706 hydrostatic effect Effects 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 7
- 230000008021 deposition Effects 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003311 flocculating effect Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 description 1
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
一种复合沉淀池，本发明属于水处理技术领域，它是为了进一步提高现有异向流斜管或斜板沉淀池的沉淀效率。复合沉淀池的底部为泥斗，泥斗上方有排泥管，排泥管上方设置水平流斜板组件，其中水平流斜板组件由沿竖直方向平行排列的斜板组成，在水平流斜板组件之间的区域设置有清水槽和沉泥槽，水平流斜板组件上方为过渡区，过渡区中设置有与进水方向垂直的导流板，异向流斜管或斜板设置在过渡区上方，在异向流斜管或斜板上方为清水区，在清水区的上部安装有集水槽。本发明复合沉淀池由于水平流斜板组件对进入到异向流斜管或斜板内的水流起到了均匀配水以及预沉淀的作用，从而有效提高了沉淀效率和出水水质。
The invention relates to a compound sedimentation tank, which belongs to the technical field of water treatment, and aims to further improve the sedimentation efficiency of the existing inclined pipe or inclined plate sedimentation tank with different directions of flow. The bottom of the composite sedimentation tank is a mud hopper, and there is a mud discharge pipe above the mud hopper, and a horizontal flow sloping plate assembly is arranged above the mud discharge pipe. The area between the plate components is provided with clear water tanks and sedimentation tanks, and the transition zone above the horizontal flow sloping plate components is provided with deflectors perpendicular to the water inlet direction. Above the transition zone, above the inclined pipe or the slant plate of the different direction flow is a clean water zone, and a sump is installed on the upper part of the clean water zone. In the composite sedimentation tank of the present invention, since the horizontal flow sloping plate assembly plays the role of uniform water distribution and pre-sedimentation for the water flowing into the counter-flow sloping pipe or sloping plate, the sedimentation efficiency and effluent water quality are effectively improved.
Description
Technical field
The invention belongs to water-treatment technology field, be specifically related to a kind of water treatment facilities that different orientation flowing oblique tube or type sloping plate component and horizontal flow type sloping plate component are used in combination.
Background technology
After shallow pool theory proposes, different orientation flowing oblique tube or inclined-plate clarifying basin, because of advantages such as its deposition efficiency are high, floor space is little, construction costs is low, are widely used in water factory throughout the country.But in running, find that different orientation flowing oblique tube or inclined-plate clarifying basin also exist the problem of following several respects: one, the water inlet direction of different orientation flowing oblique tube or inclined-plate clarifying basin and flow direction are perpendicular, can make like this current when being entered inclined tube or swash plate inside by water distributing area, produce violent disturbance, the flco being settled down by inclined tube or swash plate district can be smashed, be unfavorable for the sedimentation of floc particle; Two, water distributing area takes up space greatlyr, and current enter water distributing area by sedimentation basin one side, inhomogeneous along pond length direction water distribution; Three, between water distributing area and bucket, do not intercept, enter the current of water distributing area due to the downward disturbance of impact of gravity current, the flco in bucket may be stirred, be unfavorable for the sedimentation of flco.The existence of above-mentioned several problems has limited the further raising of sedimentation basin deposition efficiency, and makes to a certain extent its variation adaptive capacity to water quality and quantity poor.
Summary of the invention
The object of the invention is in order further to improve the deposition efficiency of existing different orientation flowing oblique tube or inclined-plate clarifying basin, and a kind of composite sedimentation tank is provided.
Composite sedimentation tank of the present invention is comprised of horizontal flow type sloping plate component, Rinsing Area, heavy mud groove, transition region, discharge pipeline, bucket, different orientation flowing oblique tube or swash plate, clear water zone and water leg, water leg is installed on top at composite sedimentation tank, the below of water leg is clear water zone, the below of clear water zone is different orientation flowing oblique tube or swash plate, and in the bottom of composite sedimentation tank, be provided with bucket, discharge pipeline is installed above bucket, above discharge pipeline, along pond cross direction, spaced a plurality of horizontal flow type sloping plate component is set, the swash plate that horizontal flow type sloping plate component is arranged by parallel interval forms, there is inclination angle in described swash plate and horizontal plane, the region division of direction under being tilted to along swash plate between horizontal flow type sloping plate component sinks mud groove, the region division Rinsing Area of the direction being tilted to along swash plate between horizontal flow type sloping plate component, above spaced horizontal flow type sloping plate component, it is transition region, in transition region, be provided with the deflector vertical with the direction of intaking, the top of transition region is different orientation flowing oblique tube or swash plate.
The course of work of composite sedimentation tank of the present invention is: current are vertically entered in horizontal flow type sloping plate component by flocculation basin end, part current along oblique upper to flowing into Rinsing Area, and upwards flow into the transition region between horizontal flow type sloping plate component and different orientation flowing oblique tube or type sloping plate component along Rinsing Area in mobile forward; Part current flow into heavy mud groove along tiltedly lower direction in mobile forward, and upwards flow into the transition region between horizontal flow type sloping plate component and different orientation flowing oblique tube or type sloping plate component by heavy mud groove.In flow process, the floc particle in water is deposited on swash plate, along the heavy mud groove that slides into swash plate one side under swash plate, and arrives in the bucket of bottom along heavy mud groove vertical sedimentation; Do not have the small flco of sedimentation to enter transition region with current.The small flco of current and not sedimentation enters different orientation flowing oblique tube via transition region or secondary separation is carried out in swash plate inside, and clear water enters the clear water zone of inclined tube or swash plate top, through water leg, catchments, and flows out sedimentation basin; The floc particle being deposited on inclined tube or swash plate glides along inclined tube or swash plate, and through transition region, horizontal flow type sloping plate component, final settlement is in the bucket of bottom.
Composite sedimentation tank of the present invention is provided with the deflector perpendicular with the direction of intaking in transition region, further to reduce current in the disturbance of transition region along continuous straight runs, prevents that floc particle is broken.In transition region, the interaction due to the downward sedimentation of flco in mobile on the current direction of below and top inclined tube or type sloping plate component, can form a body refuse superposed layer.After tiny floc particle enters into body refuse superposed layer, meeting is collided, is condensed with other particle, form compared with big flocculating body particle, and the floc particle of growing up can be deposited in horizontal flow type sloping plate component from body refuse superposed layer, finally precipitates removal.Thereby deposition efficiency and the outlet effect of sedimentation basin have further been improved.
Composite sedimentation tank of the present invention is because horizontal flow type sloping plate component has played the effect of preformed precipitate to entering into current in different orientation flowing oblique tube or swash plate, the current turbidity that makes to enter in inclined tube or swash plate reduces, thereby can effectively improve the outlet effect of sedimentation basin, reduce the wash number of inclined tube or swash plate.And, when raw water turbidity is higher, also can guarantee good outlet effect.
When flow of inlet water is 0.5t/h, surface loading is 13.5m
3/ (m
2h), when influent turbidity is 78NTU, the delivery turbidity after processing by composite sedimentation tank can arrive below 1NTU.
Accompanying drawing explanation
Fig. 1 is the plane of composite sedimentation tank of the present invention, and arrow is water inlet direction;
Fig. 2 is the profile in the composite sedimentation tank B-B cross section described in the specific embodiment one;
Fig. 3 is the profile in the composite sedimentation tank A-A cross section described in the specific embodiment seven;
Fig. 4 is the profile in the composite sedimentation tank A-A cross section described in the specific embodiment eight;
Fig. 5 is the profile in the composite sedimentation tank B-B cross section described in the specific embodiment nine.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment is described further:
The specific embodiment one: the composite sedimentation tank of present embodiment is comprised of horizontal flow type sloping plate component 1, Rinsing Area 2, heavy mud groove 3, transition region 4, discharge pipeline 5, bucket 6, different orientation flowing oblique tube or swash plate 7, clear water zone 8 and water leg 9, water leg 9 is installed on top at composite sedimentation tank, the below of water leg 9 is clear water zone 8, the below of clear water zone 8 is different orientation flowing oblique tube or swash plate 7, and in the bottom of composite sedimentation tank, be provided with bucket 6, discharge pipeline 5 is installed above bucket 6, above discharge pipeline 5, along pond cross direction, spaced a plurality of horizontal flow type sloping plate component 1 is set, the swash plate 1-1 that horizontal flow type sloping plate component 1 is arranged by parallel interval forms, there is inclination angle in described swash plate 1-1 and horizontal plane, the region division of direction under being tilted to along swash plate 1-1 between horizontal flow type sloping plate component 1 sinks mud groove 3, the region division Rinsing Area 2 of the direction being tilted to along swash plate 1-1 between horizontal flow type sloping plate component, above spaced horizontal flow type sloping plate component 1, it is transition region 4, in transition region 4, be provided with the deflector vertical with the direction of intaking 10, the top of transition region 4 is different orientation flowing oblique tube or swash plate 7.
The profile in present embodiment composite sedimentation tank B-B cross section as shown in Figure 2.
Horizontal flow type sloping plate component described in present embodiment and transition region deflector are aluminium sheet, aluminium alloy plate, corrosion resistant plate, PVC plate, UPVC plate, ABS plate, PE plate, polypropylene board, glass epoxy, steel plate, plank, composited steel and plastic decking, bamboo plate or asbestos board.
The composite sedimentation tank of present embodiment is by arranging horizontal flow type sloping plate component at traditional different orientation flowing oblique tube or inclined-plate clarifying basin water distributing area, can make sedimentation basin water distribution more even, and make flowing of current more stable, the horizontal flow velocity of controlling current in it is 5mm/s～50mm/s, is difficult for the flco precipitating to stir or smash.Horizontal flow type sloping plate component has also played the effect of preformed precipitate to entering into the water of different orientation flowing oblique tube or type sloping plate component simultaneously, has alleviated the influent load of different orientation flowing oblique tube or swash plate, makes effluent quality better, and different orientation flowing oblique tube or type sloping plate component cleaning frequency are longer.
Restriction due to horizontal flow type sloping plate component, the Reynolds number of current flow when flowing to the transition region between different orientation flowing oblique tube or type sloping plate component and horizontal flow type sloping plate component by horizontal flow type sloping plate component reduces, flow turbulence reduces, flow velocity reduces, floc particle is difficult for broken, and the distribution of current is more even simultaneously.In addition, by the floc particle that slides into heavy mud groove under swash plate, be not substantially subject to the impact of horizontal applied force, therefore precipitation is more stable, better effects if.And, the setting of horizontal flow type sloping plate component make bucket and settling zone relatively independent, the flco that is deposited to bucket is difficult for being stirred.
Present embodiment arranges the deflector perpendicular with water inlet direction in transition region, further to reduce current in the disturbance of transition region along continuous straight runs, prevents that floc particle is broken.In transition region; interaction due to the downward sedimentation of flco in mobile on the current direction of below and top inclined tube or type sloping plate component; can form a body refuse superposed layer in transition region; tiny floc particle can collide with other particle after entering into body refuse superposed layer, cohesion; formation is compared with big flocculating body particle; and the floc particle of growing up can be deposited in horizontal flow type sloping plate component from body refuse superposed layer, final precipitation is removed, thereby has further improved deposition efficiency and the outlet effect of sedimentation basin.
The specific embodiment two: present embodiment is different from the specific embodiment one is that the spacing of swash plate 1-1 is 20mm～200mm.Other is identical with the specific embodiment one.
The specific embodiment three: present embodiment is different from the specific embodiment one or two is that inclination angle between swash plate 1-1 and horizontal plane is 50 °～60 °.Other is identical with the specific embodiment one or two.
The specific embodiment four: present embodiment is different from one of specific embodiment one to three is that the volume of Rinsing Area 2 is 1/5～1/10 of horizontal flow type sloping plate component 1 volume.Other is identical with one of specific embodiment one to three.
The specific embodiment five: present embodiment is different from one of specific embodiment one to four is that the volume of heavy mud groove 3 is 1/5～1/10 of horizontal flow type sloping plate component 1 volume.Other is identical with one of specific embodiment one to four.
The specific embodiment six: what present embodiment was different from one of specific embodiment one to five is to be also provided with the dividing plate parallel with the direction of intaking 11 in transition region 4.
The specific embodiment seven: present embodiment is different from one of specific embodiment one to six is that the incline direction of the swash plate 1-1 in adjacent level stream type sloping plate component 1 is contrary.Other is identical with one of specific embodiment one to six.
The profile in present embodiment composite sedimentation tank A-A cross section as shown in Figure 3.
The specific embodiment eight: present embodiment is different from one of specific embodiment one to seven is that the incline direction of every group of swash plate 1-1 in horizontal flow type sloping plate component 1 is all identical.Other is identical with one of specific embodiment one to seven.
As shown in Figure 4, the region of now adjacent level being flowed between type sloping plate component 1 is divided into two parts to the profile in present embodiment composite sedimentation tank A-A cross section, and a side arranges Rinsing Area 2, and opposite side arranges heavy mud groove 3.
The specific embodiment nine: what present embodiment was different from one of specific embodiment one to eight is that horizontal flow type sloping plate component is only arranged in along the space of the pond length direction 1/5～1/3 of composite sedimentation tank.Other is identical with one of specific embodiment one to eight.
The profile in present embodiment composite sedimentation tank B-B cross section as shown in Figure 5.
The specific embodiment ten: what present embodiment was different from one of specific embodiment one to nine is sludge discharge way employing hydrostatic pressing spoil disposal, sludge pump spoil disposal, gas pump spoil disposal or the mud scraper spoil disposal of composite sedimentation tank.Other is identical with one of specific embodiment one to nine.
Embodiment mono-: the composite sedimentation tank of the present embodiment is comprised of horizontal flow type sloping plate component 1, Rinsing Area 2, heavy mud groove 3, transition region 4, discharge pipeline 5, bucket 6, different orientation flowing oblique tube or swash plate 7, clear water zone 8 and water leg 9, water leg 9 is installed on top at composite sedimentation tank, the below of water leg 9 is clear water zone 8, the below of clear water zone 8 is different orientation flowing oblique tube or swash plate 7, and in the bottom of composite sedimentation tank, be provided with bucket 6, discharge pipeline 5 is installed above bucket 6, above discharge pipeline 5, along pond cross direction, spaced a plurality of horizontal flow type sloping plate component 1 is set, the swash plate 1-1 that horizontal flow type sloping plate component 1 is arranged by parallel interval forms, there is inclination angle in described swash plate 1-1 and horizontal plane, the region division of direction under being tilted to along swash plate 1-1 between horizontal flow type sloping plate component 1 sinks mud groove 3, the region division Rinsing Area 2 of the direction being tilted to along swash plate 1-1 between horizontal flow type sloping plate component, above spaced horizontal flow type sloping plate component 1, it is transition region 4, in transition region 4, be provided with the deflector vertical with the direction of intaking 10, the top of transition region 4 is different orientation flowing oblique tube or swash plate 7.
The incline direction of swash plate 1-1 in the present embodiment adjacent level stream type sloping plate component 1 is contrary, the region division of direction under being tilted to along swash plate between horizontal flow type sloping plate component sinks mud groove, the region division Rinsing Area of the direction being tilted to along swash plate between horizontal flow type sloping plate component.
The composite sedimentation tank of the present embodiment, long 7.7 meters, wide 4.8 meters, high 5 meters.Horizontal flow type sloping plate component arranges 7 groups along pond length direction, along pond cross direction, arranges 5 groups, amounts to 35 groups, and in the horizontal flow type sloping plate component wherein distributing along pond length direction, the incline direction of swash plate is all identical.Every group of horizontal flow type sloping plate component grown 1.1 meters, wide 0.93 meter.Swash plate vertical interval 80mm, 60 °, inclination angle.Dark 0.95 meter of bucket, discharge pipeline caliber DN200.7.7 meters of the transition heads of district, wide 4.8 meters, high 0.45 meter, use with composite sedimentation tank water inlet direction and parallel with vertical deflector transition region is divided into uniform 35.7.7 meters of the different orientation flowing oblique tube heads of district, wide 4.8 meters, high 0.88 meter, standard cellular inclined tube is filled in inclined tube district.7.7 meters of the clear water heads of district, wide 4.8 meters, high 1.62 meters.Top, clear water zone is parallel to 5 water legs of pond cross direction spaced set.
When flow of inlet water is 0.5t/h, surface loading is 13.5m
3/ (m
2h), when influent turbidity is 78NTU, the delivery turbidity after processing by the composite sedimentation tank of the present embodiment can arrive below 1NTU.
Claims (10)
1. a composite sedimentation tank, this composite sedimentation tank is comprised of horizontal flow type sloping plate component (1), Rinsing Area (2), heavy mud groove (3), transition region (4), discharge pipeline (5), bucket (6), different orientation flowing oblique tube or swash plate (7), clear water zone (8) and water leg (9), water leg (9) is installed on top at composite sedimentation tank, the below of water leg (9) is clear water zone (8), the below of clear water zone (8) is different orientation flowing oblique tube or swash plate (7), and in the bottom of composite sedimentation tank, be provided with bucket (6), discharge pipeline (5) is installed in bucket (6) top, it is characterized in that along pond cross direction, spaced a plurality of horizontal flow type sloping plate components (1) being set in discharge pipeline (5) top, the swash plate (1-1) that horizontal flow type sloping plate component (1) is arranged by parallel interval forms, there is inclination angle with horizontal plane in described swash plate (1-1), the region division of direction under being tilted to along swash plate (1-1) between horizontal flow type sloping plate component (1) sinks mud groove (3), the region division Rinsing Area (2) of the direction being tilted to along swash plate (1-1) between horizontal flow type sloping plate component, in spaced horizontal flow type sloping plate component (1) top, be transition region (4), in transition region (4), be provided with the deflector vertical with the direction of intaking (10), the top of transition region (4) is different orientation flowing oblique tube or swash plate (7).
2. a kind of composite sedimentation tank according to claim 1, the spacing that it is characterized in that swash plate (1-1) is 20mm～200mm.
3. a kind of composite sedimentation tank according to claim 1, is characterized in that the inclination angle between swash plate (1-1) and horizontal plane is 50 °～60 °.
4. a kind of composite sedimentation tank according to claim 1, the volume that it is characterized in that Rinsing Area (2) is 1/5～1/10 of horizontal flow type sloping plate component (1) volume.
5. a kind of composite sedimentation tank according to claim 1, is characterized in that the volume of heavy mud groove (3) is 1/5～1/10 of horizontal flow type sloping plate component (1) volume.
6. a kind of composite sedimentation tank according to claim 1, is characterized in that being also provided with the dividing plate parallel with the direction of intaking (11) in transition region (4).
7. a kind of composite sedimentation tank according to claim 1, is characterized in that the incline direction of the swash plate (1-1) in adjacent level stream type sloping plate component (1) is contrary.
8. a kind of composite sedimentation tank according to claim 1, is characterized in that the incline direction of the swash plate (1-1) in every group of horizontal flow type sloping plate component (1) is all identical.
9. a kind of composite sedimentation tank according to claim 1, is characterized in that horizontal flow type sloping plate component (1) is only arranged in along the space of the pond length direction 1/5～1/3 of composite sedimentation tank.
10. a kind of composite sedimentation tank according to claim 1, is characterized in that the sludge discharge way of composite sedimentation tank adopts hydrostatic pressing spoil disposal, sludge pump spoil disposal, gas pump spoil disposal or mud scraper spoil disposal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310738354.1A CN103638699B (en) | 2013-12-29 | 2013-12-29 | Composite precipitation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310738354.1A CN103638699B (en) | 2013-12-29 | 2013-12-29 | Composite precipitation tank |
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|---|---|
| CN103638699A true CN103638699A (en) | 2014-03-19 |
| CN103638699B CN103638699B (en) | 2015-06-03 |
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|---|---|---|---|
| CN201310738354.1A Active CN103638699B (en) | 2013-12-29 | 2013-12-29 | Composite precipitation tank |
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| CN (1) | CN103638699B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105540999A (en) * | 2015-12-11 | 2016-05-04 | 凯天环保科技股份有限公司 | Breeding wastewater integrated treatment device |
| CN106215469A (en) * | 2016-09-21 | 2016-12-14 | 武汉兴天宇环境股份有限公司 | A kind of immersion settler and settling system |
| CN106914038A (en) * | 2017-05-09 | 2017-07-04 | 胡小弟 | Tube settler cleaning device and cleaning method |
| CN109771992A (en) * | 2019-03-05 | 2019-05-21 | 长江勘测规划设计研究有限责任公司 | A water supply device for a pump station |
| CN111847774A (en) * | 2020-07-10 | 2020-10-30 | 珠海九通水务股份有限公司 | Application method of mud-water separation tank |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109771992A (en) * | 2019-03-05 | 2019-05-21 | 长江勘测规划设计研究有限责任公司 | A water supply device for a pump station |
| CN109771992B (en) * | 2019-03-05 | 2024-04-12 | 长江勘测规划设计研究有限责任公司 | Pump station water supply device |
| CN111847774A (en) * | 2020-07-10 | 2020-10-30 | 珠海九通水务股份有限公司 | Application method of mud-water separation tank |
| CN111847774B (en) * | 2020-07-10 | 2022-05-03 | 珠海九通水务股份有限公司 | Application method of mud-water separation tank |
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| CN103638699B (en) | 2015-06-03 |
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