CN210710975U - Sloping plate-air flotation mud-water separation tank - Google Patents
Sloping plate-air flotation mud-water separation tank Download PDFInfo
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- CN210710975U CN210710975U CN201920740346.3U CN201920740346U CN210710975U CN 210710975 U CN210710975 U CN 210710975U CN 201920740346 U CN201920740346 U CN 201920740346U CN 210710975 U CN210710975 U CN 210710975U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 153
- 238000000926 separation method Methods 0.000 title claims abstract description 22
- 238000005188 flotation Methods 0.000 title claims description 15
- 238000009300 dissolved air flotation Methods 0.000 claims abstract description 46
- 238000004062 sedimentation Methods 0.000 claims abstract description 45
- 238000005189 flocculation Methods 0.000 claims abstract description 36
- 230000016615 flocculation Effects 0.000 claims abstract description 36
- 239000010802 sludge Substances 0.000 claims abstract description 31
- 230000007704 transition Effects 0.000 claims abstract description 23
- 239000002893 slag Substances 0.000 claims abstract description 19
- 238000007790 scraping Methods 0.000 claims abstract description 8
- 238000010992 reflux Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 abstract description 13
- 230000008901 benefit Effects 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 6
- 210000005056 cell body Anatomy 0.000 abstract description 3
- 230000001687 destabilization Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 241000195493 Cryptophyta Species 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 230000001932 seasonal effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229940037003 alum Drugs 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 230000001112 coagulating effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model provides an swash plate-air supporting mud-water separation pond, includes flocculation section, inclined plate sedimentation section and dissolved air supporting section that connect gradually, its characterized in that: the flocculation section comprises a water inlet and a flocculation tank; the inclined plate sedimentation section comprises a transition region, a sludge discharge pipe, a perforated tracery wall I, an inclined plate sedimentation tank, a water distribution region, a plurality of mud hoppers and a plurality of collecting pipes; the dissolved air floatation section comprises a first water distribution turbulent flow device, a second water distribution turbulent flow device, a slag scraping machine, a slag collecting groove, a plurality of water collecting pipes, a pressure pump, a pressure dissolved air tank, a dissolved air floatation tank, a dissolved air releaser and a water outlet. The utility model discloses full play the advantage of two kinds of cell bodies: in the inclined plate precipitation section, the inclined plate is laid, so that the precipitation efficiency is improved, a large amount of large flocs are rapidly precipitated, and part of sludge flows back, so that the destabilization of colloidal particles is facilitated, and the precipitation is formed; in the dissolved air flotation section, fine and light particles are removed, the sludge-water separation efficiency is high, the occupied area is small, the adaptability is strong, and the turbidity of the effluent of the tank body is low.
Description
Technical Field
The invention belongs to the field of water treatment, and particularly relates to an inclined plate-air floatation mud-water separation tank.
Background
The current mainstream mud-water separation tank comprises a horizontal flow sedimentation tank, an inclined tube (plate) sedimentation tank (comprising a high-density sedimentation tank), an air flotation tank and the like, and the three types of tanks have technical limitations.
The density difference of water bodies at the upper part and the lower part in the advection sedimentation tank is large, density flow is generated, the flow velocity of the lower layer is large, a sedimentation flocculating constituent is caused to float again after reaching a tail end wall body, the tank turning phenomenon is further caused, alumen ustum is brought out from effluent, and the water quality is influenced. Although the inclined tube (plate) sedimentation tank can effectively relieve the phenomenon of tank turnover and improve the sedimentation efficiency, the inclined tube (plate) sedimentation tank has poor adaptation to the change of the turbidity of raw water, the quality of the effluent is unstable, and the quality of the effluent is worse when the low-turbidity water is treated. Although the air flotation tank has a good effect of removing light impurities, some particulate matters with high density and relatively large volume are low in removing effect or even not removed, the air flotation tank cannot be used as a mud-water separation unit alone, and the construction, operation and maintenance costs are high.
Lake water is one of main water sources of water plants, has the characteristics of low temperature and low turbidity in winter and high algae in summer, and causes severe seasonal fluctuation of inlet water quality, and some water plants adopt multiple water sources to switch inlet water, so that the difference of the multiple water sources in water quality is large, and the adaptability of a traditional sedimentation tank is poor, thereby causing unstable outlet water turbidity. And along with the progress and development of society, the standard of water quality of water plants is continuously improved, and the improvement of water quality in a precipitation link is very necessary.
Generally, the current mainstream mud-water separation tank has the following problems:
1. the seasonal problems that the intake water turbidity is low and the precipitation effect is poor in winter and the water quality of the discharged water is unstable due to the outbreak of algae in summer are solved;
2. the turbidity of the effluent is reduced, and the requirement of high-quality effluent of a water plant is met;
3. the occupied land is reduced, and the problem of shortage of land for water plants is solved.
In order to solve the problems, a novel combined mud-water separation tank needs to be provided, and the combined advantages of various tank types are exerted.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides an inclined plate-air flotation mud-water separation tank, the integrated design is connected smoothly, has fully played the advantage of two kinds of cell bodies: in the inclined plate precipitation section, the inclined plate is laid, so that the precipitation efficiency is improved, a large amount of large flocs are rapidly precipitated, part of sludge flows back, the concentration of suspended matters in the flocculation tank is increased, the destabilization of colloidal particles is facilitated, the precipitation is formed, and the effect is particularly obvious on low-turbidity raw water; in the dissolved air flotation section, fine and light particles are removed, the seasonal problems of difficult coagulating sedimentation of low-temperature and low-turbidity water in winter, algae outbreak in summer and the like are solved, and the requirements of various raw water for treating high-quality effluent can be met. And the utility model discloses mud-water separation is efficient, and area is little, switches according to the characteristics multiplex condition of intaking, and multi-parameter regulation and control, strong adaptability, cell body play water turbidity is low.
The utility model discloses a including flocculation section, inclined plate sedimentation section and the dissolved air flotation section that connects gradually, its characterized in that: the flocculation section comprises a water inlet and a flocculation tank, and the water inlet is positioned on the center line of one end of the flocculation tank;
the inclined plate sedimentation section comprises a transition region, a sludge discharge pipe, a first perforated tracery wall, an inclined plate sedimentation tank, a water distribution region and a plurality of sludge hoppers and collecting pipes, wherein the transition region is horizontally connected with the flocculation tank, the other end of the transition region is connected with the first perforated tracery wall, the sludge discharge pipe is arranged at the bottom of the transition region along the axial section of the transition region, two ends of the water distribution region are respectively provided with a second perforated tracery wall and a third perforated tracery wall, one end of the inclined plate sedimentation tank is connected with the first perforated tracery wall, the other end of the inclined plate sedimentation tank is connected with the second perforated tracery wall, and the sludge hoppers and the collecting pipes are arranged at the bottom of the inclined plate sedimentation tank;
the dissolved air flotation section comprises a first water distribution turbulence device, a second water distribution turbulence device, a slag scraping machine, a slag collecting groove, a plurality of water collecting pipes, a pressure pump, a pressure dissolved air tank, a dissolved air flotation tank, a plurality of dissolved air releasers and a water outlet, wherein the first water distribution turbulence device is horizontally arranged at the bottom of the dissolved air flotation tank along the axial section of the dissolved air flotation tank and is connected with a third perforated patterned wall, the second water distribution turbulence device is axially fixed at the middle part of the dissolved air flotation tank by a steel frame along the axial direction of the dissolved air flotation tank, the slag scraping machine is fixed above the dissolved air flotation tank by a steel frame and is communicated with the slag collecting groove, the plurality of water collecting pipes are horizontally arranged at the bottom of the dissolved air flotation tank along the axial section of the dissolved air flotation tank, the plurality of dissolved air releasers are horizontally arranged along the axial section of the dissolved air flotation tank and are fixed at the bottom of the third perforated patterned wall by the steel frame, and the plurality of, the dissolved air releasers are connected with the pressure pump and the pressure dissolved air tank through water pipes, one end of the dissolved air floatation tank is connected with the third perforated tracery wall, the other end of the dissolved air floatation tank is connected with the water outlet, and the water outlet is communicated with the water collecting pipes.
Furthermore, the flocculation section is also provided with a reflux pump, the inlet of the reflux pump is communicated with the sludge discharge pipe, the sludge buckets and the collecting pipe, and the outlet of the reflux pump is communicated with the water inlet.
Still further, the inclined plate sedimentation section is further provided with a passing corridor and a plurality of gate plates, the gate plates are arranged at the middle position of the transition area along the axial cross section of the transition area, the mud discharge pipe is positioned between the gate plates and the first perforated tracery wall, the passing corridor axially penetrates through the inclined plate sedimentation tank, one end of the passing corridor is communicated with the gate plates, and the other end of the passing corridor is communicated with the water distribution area.
Still further, the flocculation basin is one of baffle formula, folded plate formula, net formula, mechanical type.
Furthermore, the inclined plate sedimentation tank adopts a lateral flow laying inclined plate, and the mud buckets and the collecting pipes are arranged below the inclined plate.
Furthermore, a flow guide wall is arranged at the bottom of the dissolved air floatation tank along the axial section of the dissolved air floatation tank, and the flow guide wall is connected with a first water distribution turbulent flow device.
Furthermore, the water inlet is as high as the flocculation tank, and the width of the water inlet is smaller than that of the flocculation tank; the height of the water outlet is the same as the pipe diameters of the water collecting pipes, and the width of the water outlet is the same as the width of the dissolved air floatation tank.
The utility model has the advantages that:
1. the integrated design and connection are smooth, the advantages of the two types of tank bodies are fully exerted, the inclined plate sedimentation section pertinently removes some particulate matters with high density and relatively large volume (such as gravel, large alum floc and the like), and the dissolved air flotation section pertinently removes light impurities (such as algae, fine alum floc, grease, surfactant and the like);
2. in the inclined plate precipitation section, the inclined plate is laid, so that the precipitation efficiency is improved, a large amount of large flocs are rapidly precipitated, part of sludge flows back, the concentration of suspended matters in the flocculation tank is increased, the destabilization of colloidal particles is facilitated, the precipitation is formed, and the effect is particularly obvious on low-turbidity raw water;
3. in the dissolved air flotation section, fine and light particles are removed, the seasonal problems of difficult coagulating sedimentation of low-temperature and low-turbidity water in winter, algae outbreak in summer and the like are solved, the requirement of various raw water for treating high-quality effluent can be met, and the turbidity of the effluent in the sedimentation tank is reduced to about 2NTU (transport unit) from about 10NTU (transport unit), even below 1 NTU;
4. the sludge-water separation efficiency is high, the occupied area is small, the multi-working condition switching is realized according to the water inlet characteristic, the multi-parameter regulation and control are realized, the adaptability is strong, and the turbidity of the effluent of the tank body is low. When the dissolved air flotation section adopts a high-efficiency ion flotation process, the turbidity of the effluent is lower than 1NTU, and the dissolved air flotation section can replace a conventional filter tank; when the dissolved air floatation section adopts a common air floatation process, the high-quality effluent with the turbidity close to 0NTU can be stably obtained by matching with a filter tank.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of the sloping plate-air flotation mud-water separation tank provided by the utility model.
Fig. 2 is a schematic view of a top view structure of the sloping plate-air flotation mud-water separation tank provided by the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The utility model provides a swash plate-air supporting mud-water separation tank as shown in fig. 1-2, including flocculation section 1, inclined plate sedimentation section 2 and dissolved air flotation section 3 that connect gradually, its characterized in that:
the flocculation section 1 comprises a water inlet 4 and a flocculation tank 5, wherein the water inlet 4 is positioned on the center line of one end of the flocculation tank 5;
the inclined plate sedimentation section 2 comprises a transition region 6, a sludge discharge pipe 7, a first perforated tracery wall 8, an inclined plate sedimentation tank 9, a water distribution region 10 and a plurality of sludge hoppers and collecting pipes 11, wherein the transition region 6 is horizontally connected with the flocculation tank 5, the other end of the transition region 6 is connected with the first perforated tracery wall 8, the sludge discharge pipe 7 is arranged at the bottom of the transition region 6 along the axial section of the transition region 6, two ends of the water distribution region 10 are respectively provided with a second perforated tracery wall 12 and a third perforated tracery wall 13, one end of the inclined plate sedimentation tank 9 is connected with the first perforated tracery wall 8, the other end of the inclined plate sedimentation tank 9 is connected with the second perforated tracery wall 12, and the sludge hoppers and the collecting pipes 11 are arranged at the bottom of the inclined plate sedimentation tank 9;
the dissolved air flotation section 3 comprises a first water distribution turbulence device 14, a second water distribution turbulence device 15, a slag scraping machine 16, a slag collecting tank 17, a plurality of water collecting pipes 18, a pressure pump 19, a pressure dissolved air tank 20, a dissolved air flotation tank 21, a plurality of dissolved air releasers 22 and a water outlet 23, wherein the first water distribution turbulence device 14 is horizontally arranged at the bottom of the dissolved air flotation tank 21 along the axial section of the dissolved air flotation tank 21 and is connected with a third perforated tracery 13, the second water distribution turbulence device 15 is fixed at the middle part of the dissolved air flotation tank 21 along the axial direction of the dissolved air flotation tank 21 by a steel frame, the slag scraping machine 16 is fixed above the dissolved air flotation tank 21 and is communicated with the slag collecting tank 17 by the steel frame, the plurality of water collecting pipes 18 are axially arranged at the bottom of the dissolved air flotation tank 21 along the axial section of the dissolved air flotation tank 21, the plurality of dissolved air releasers 22 are horizontally arranged along the axial section of the dissolved air flotation tank 21 and are fixed at the bottom, the dissolved air releasers 22 are positioned above the first water distribution turbulent device 14, the dissolved air releasers 22 are connected with a pressure pump 19 and a pressure dissolved air tank 20 through water pipes, the other end of the pressure pump 19 is connected with a water outlet 23, one end of a dissolved air floatation tank 21 is connected with a third perforated flower wall 13, the other end of the dissolved air floatation tank 21 is connected with the water outlet 23, and the water outlet 23 is communicated with a plurality of water collecting pipes 18.
The flocculation section 1 is further provided with a reflux pump 24, an inlet of the reflux pump 24 is communicated with the sludge discharge pipe 7, the sludge buckets and the collecting pipe 11, and an outlet of the reflux pump 24 is communicated with the water inlet 4.
The inclined plate sedimentation section 2 is further provided with a crossing gallery 25 and a plurality of gate plates 26, the plurality of gate plates 26 are arranged at the middle position of the transition region 6 along the axial cross section of the transition region 6, the sludge discharge pipe 7 is positioned between the plurality of gate plates 25 and the first perforated tracery wall 8, the crossing gallery 25 axially penetrates through the inclined plate sedimentation tank 9, one end of the crossing gallery 25 is communicated with the gate plates 26, and the other end of the crossing gallery 25 is communicated with the water distribution region 10.
The flocculation tank 5 is one of a partition plate type, a folded plate type, a grid type and a mechanical type.
The inclined plate sedimentation tank 9 adopts a lateral flow laying inclined plate, and the mud buckets and the collecting pipes 11 are arranged below the inclined plate.
The bottom of the dissolved air flotation tank 21 is also provided with a guide wall 27 along the axial section of the dissolved air flotation tank 21, and the guide wall 27 is connected with the first water distribution turbulent device 14.
The water inlet 4 is equal to the flocculation tank 5 in height, and the width of the water inlet 4 is smaller than that of the flocculation tank 5; the height of the water outlet 23 is the same as the pipe diameter of the water collecting pipes 18, and the width of the water outlet 23 is the same as the width of the dissolved air flotation tank 21.
Raw water enters a flocculation tank 5 after being added with chemicals, sand grains in a large amount of raw water are precipitated and then are discharged through a sludge discharge pipe 7 in a transition area 6, water flows are uniformly distributed through a first perforated tracery wall 8 and then enter an inclined plate sedimentation tank 5, a plurality of sludge hoppers and collecting pipes 7 are arranged below an inclined plate of the inclined plate sedimentation tank 5 or a sludge scraping and sucking machine is adopted, large floc sludge which is rapidly precipitated is collected, part of the collected sludge flows back to the flocculation tank 5 through a reflux pump 24, and the rest sludge and scum of a dissolved air floatation section 3 are discharged together. The main component of the part of the returned sludge is high-concentration coagulated flocs, no sand grains are contained, the concentration of suspended matters in the flocculation tank can be increased, the adsorption and bridging effects are fully exerted, the flocculation effect of low-turbidity raw water is effectively improved, and meanwhile, the sludge contains a certain amount of coagulant and coagulant aid, so that the using amount of the total medicament can be reduced. The reflux ratio should be adjusted according to the turbidity change of the raw water, and the turbidity of the mixed water body is preferably kept about 300 NTU. After passing through the water distribution area 10, water flow enters a dissolved air floatation tank 21, after passing through a first water distribution turbulent device 14 and a second water distribution turbulent device 15, the dissolved air water floats upwards by wrapping light impurities with micro bubbles to form floating slag, a slag scraper 16 scrapes the floating slag on the surface, the floating slag enters a slag collecting tank 17 and is discharged by a pipeline, the lower layer of clear water is discharged through a water collecting pipe 18, the discharged water partially flows back, and after passing through a booster pump 19 and a pressure dissolved air tank 20, the dissolved air water is formed and is released by a dissolved air releaser 22 to be mixed with the inlet water. The reflux ratio of the dissolved gas water can be adjusted according to the requirements of water quality of inlet water and outlet water, the reflux ratio is usually 8-15%, the advantages of the dissolved gas water in removing light impurities are exerted, the water quality of the outlet water is ensured, and the operation cost is controlled.
Meanwhile, the inclined plate precipitation section is provided with a crossing gallery 25 and a plurality of gate plates 26, and the inclined plate precipitation section 2 and the dissolved air flotation section 3 are independently operated or two sections are connected in series for use according to the water inlet condition and the water outlet quality requirement.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. The utility model provides an swash plate-air supporting mud-water separation pond, includes flocculation section (1), inclined plate sedimentation section (2) and dissolved air supporting section (3) that connect gradually, its characterized in that:
the flocculation section (1) comprises a water inlet (4) and a flocculation tank (5), wherein the water inlet (4) is positioned on the middle line at one end of the flocculation tank (5);
the inclined plate sedimentation section (2) comprises a transition area (6), a sludge discharge pipe (7), a perforated tracery wall (8), an inclined plate sedimentation tank (9), a water distribution area (10) and a plurality of sludge hoppers and collecting pipes (11), wherein the transition area (6) is horizontally connected with the flocculation tank (5), the other end of the transition area (6) is connected with the perforated tracery wall (8), the sludge discharge pipe (7) is arranged at the bottom of the transition area (6) along the axial section of the transition area (6), two ends of the water distribution area (10) are respectively provided with a second perforated tracery wall (12) and a third perforated tracery wall (13), one end of the inclined plate sedimentation tank (9) is connected with the first perforated tracery wall (8), the other end of the inclined plate sedimentation tank (9) is connected with the second perforated tracery wall (12), and the plurality of sludge hoppers and collecting pipes (11) are arranged at the bottom of the inclined plate sedimentation tank (9);
the dissolved air flotation section (3) comprises a first water distribution turbulence device (14), a second water distribution turbulence device (15), a slag scraping machine (16), a slag collecting groove (17), a plurality of water collecting pipes (18), a pressure pump (19), a pressure dissolved air tank (20), a dissolved air flotation tank (21), a plurality of dissolved air releasers (22) and a water outlet (23), wherein the first water distribution turbulence device (14) is horizontally arranged at the bottom of the dissolved air flotation tank (21) along the axial section of the dissolved air flotation tank (21) and is connected with a third perforated flower wall (13), the second water distribution turbulence device (15) is axially fixed at the middle part of the dissolved air flotation tank (21) by a steel frame along the dissolved air flotation tank (21), the slag scraping machine (16) is fixed above the dissolved air flotation tank (21) by the steel frame and is communicated with the slag collecting groove (17), the water collecting pipes (18) are axially arranged at the bottom of the dissolved air flotation tank (21), a plurality of dissolved air releasers (22) are fixed in No. three perforation flower walls (13) bottoms along dissolved air flotation pond (21) axial cross section horizontal arrangement and with the steelframe, a plurality of dissolved air releasers (22) are located the top of a water distribution turbulent device (14), a plurality of dissolved air releasers (22) are connected with the water pipe with force (forcing) pump (19), pressure dissolved gas jar (20), the force (forcing) pump (19) other end links to each other with delivery port (23), dissolved air flotation pond (21) one end links to each other with No. three perforation flower walls (13), the other end and delivery port (23) of dissolved air flotation pond (21) link to each other, delivery port (23) are linked together with a plurality of collector pipes (18).
2. The inclined plate-air flotation mud-water separation tank as claimed in claim 1, wherein: the flocculation section (1) is further provided with a reflux pump (24), the inlet of the reflux pump (24) is communicated with a sludge discharge pipe (7), a plurality of sludge hoppers and a collecting pipe (11), and the outlet of the reflux pump (24) is communicated with the water inlet (4).
3. The inclined plate-air flotation mud-water separation tank as claimed in claim 1, wherein: the flocculation tank (5) is in one of a partition plate type, a folded plate type, a grid type and a mechanical type.
4. The inclined plate-air flotation mud-water separation tank as claimed in claim 1, wherein: the inclined plate sedimentation section (2) is further provided with a crossing gallery (25) and a plurality of gate plates (26), the axial cross section of the gate plates (26) along the transition area (6) is arranged at the middle position of the transition area (6), the mud discharge pipe (7) is positioned between the gate plates (26) and a perforated wall (8), the crossing gallery (25) axially penetrates through the inclined plate sedimentation tank (9), one end of the crossing gallery (25) is communicated with the gate plates (26), and the other end of the crossing gallery (25) is communicated with the water distribution area (10).
5. The inclined plate-air flotation mud-water separation tank as claimed in claim 1, wherein: the inclined plate sedimentation tank (9) adopts a lateral flow laying inclined plate, and the mud buckets and the collecting pipes (11) are arranged below the inclined plate.
6. The inclined plate-air flotation mud-water separation tank as claimed in claim 1, wherein: the bottom of the dissolved air flotation tank (21) is also provided with a guide wall (27) along the axial section of the dissolved air flotation tank (21), and the guide wall (27) is connected with the first water distribution turbulent flow device (14).
7. The inclined plate-air flotation mud-water separation tank as claimed in claim 1, wherein: the water inlet (4) is as high as the flocculation tank (5), and the width of the water inlet (4) is smaller than that of the flocculation tank (5); the height of the water outlet (23) is the same as the pipe diameter of the water collecting pipes (18), and the width of the water outlet (23) is the same as that of the dissolved air flotation tank (21).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920740346.3U CN210710975U (en) | 2019-05-22 | 2019-05-22 | Sloping plate-air flotation mud-water separation tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920740346.3U CN210710975U (en) | 2019-05-22 | 2019-05-22 | Sloping plate-air flotation mud-water separation tank |
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| CN210710975U true CN210710975U (en) | 2020-06-09 |
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| CN201920740346.3U Expired - Fee Related CN210710975U (en) | 2019-05-22 | 2019-05-22 | Sloping plate-air flotation mud-water separation tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113716724A (en) * | 2021-09-18 | 2021-11-30 | 广州市市政工程设计研究总院有限公司 | Wastewater treatment device and wastewater treatment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113716724A (en) * | 2021-09-18 | 2021-11-30 | 广州市市政工程设计研究总院有限公司 | Wastewater treatment device and wastewater treatment method |
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Granted publication date: 20200609 |