CN217077102U - High-efficient desilting basin of water conservancy flocculation separation - Google Patents
High-efficient desilting basin of water conservancy flocculation separation Download PDFInfo
- Publication number
- CN217077102U CN217077102U CN202220977602.2U CN202220977602U CN217077102U CN 217077102 U CN217077102 U CN 217077102U CN 202220977602 U CN202220977602 U CN 202220977602U CN 217077102 U CN217077102 U CN 217077102U
- Authority
- CN
- China
- Prior art keywords
- guide cylinder
- water
- flocculation
- cylinder
- sand
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model provides a high-efficient desilting pond of water conservancy flocculation separation belongs to the water supply treatment technology field for solve current water conservancy flocculation equipment with high costs, flocculation inefficiency, arrange the not smooth scheduling problem of mud. The sand pool comprises a sand pool body and a water inlet pipe, wherein a straight guide cylinder and a central cylinder are arranged inside the sand pool body, a precipitation assembly is arranged between the straight guide cylinder and the sand pool body, an inclined guide cylinder is arranged at the lower end of the straight guide cylinder, an inverted cone mud bucket is arranged below the central cylinder, an inverted cone mud discharging area is formed inside the inverted cone mud bucket, a V-shaped mud discharging area is formed between the inverted cone mud bucket and the sand pool body on two sides, an edge mud discharging pipe is arranged inside the V-shaped mud discharging area, and a middle mud discharging pipe is arranged inside the inverted cone mud discharging area; the utility model discloses the constitution is nimble, and is with low costs, and a center section of thick bamboo is once flocculated with the nozzle cooperation of intaking, forms V-arrangement flocculation settling zone between back taper mud bucket and the husky pond body, and secondary flocculation, the precipitation component cooperation between straight draft tube and the husky pond body, cubic flocculation can discharge flocculation muddy water fast.
Description
Technical Field
The utility model belongs to the technical field of the feedwater is handled, a desilting pond, especially a high-efficient desilting pond of water conservancy flocculation separation is related to.
Background
High turbidity water represented by yellow river water, high concentration of particulate matter and fine particleDense, rapid time-varying, and large seasonal variations (high temperature and high turbidity in summer, low temperature and medium turbidity in winter, or low temperature and low turbidity in winter). The traditional high-turbidity water treatment technology adopts a mode of pre-sedimentation (radial flow tank or horizontal flow sedimentation tank) + secondary sedimentation. The main reason is that water is at high turbidity; the raw water has sand content of more than 60kg/m 3 (ii) a Even sometimes more than 100kg/m 3 (ii) a Therefore, the requirement of entering the filter tank can be met only by secondary sedimentation; at this time, because of the increase of the sludge discharge amount, the sludge discharge gradient of the pre-sedimentation tank is small, the arm of the sludge scraper is long, and the resistance of a mechanical sludge scraper of the pre-sedimentation tank (a radial flow tank or a horizontal flow sedimentation tank) is greatly increased, so that the sludge discharge is not smooth; accident conditions often occur; thus, the pool is stopped for maintenance; manually cleaning the preliminary sedimentation tank; the manual maintenance amount is greatly increased; the water outlet guarantee rate of the pre-settling tank is reduced; the water supply safety of the water plant is reduced.
In order to solve the problems, the hydraulic flocculation separation efficient sand settling tank is provided, the sand tank body is flexible in construction mode, the sand tank bodies can share the tank wall, the engineering cost and the construction difficulty are reduced, the hydraulic flocculation separation efficient sand settling tank is suitable for large water treatment scale with large raw water quality change range, the occupied area is saved, the engineering investment is reduced, and the safety performance is high;
the central cylinder is matched with the water inlet nozzle, so that high-turbidity raw water directly enters the central cylinder to form rotational flow, suspended particles in the water form a flocculation pre-sedimentation gradient from bottom to top to form primary sedimentation flocculation, the raw water forms water to flow upwards into the flow guide area after fully reacting in the central cylinder, and flocculated sludge downwards enters the inverted cone mud bucket; after the flow state is stabilized by the upper part of the central cylinder, the flocculated sludge is turned out and enters a flocculation precipitation area formed among the central cylinder, the straight guide cylinder and the inclined guide cylinder to form secondary sedimentation flocculation, the flocculated sludge is collected in a V-shaped sludge discharge area at the edge part to perform net capture and adsorption on suspended matters in water, high-concentration sludge water is generated and is matched with a sludge discharge pipe at the edge part to generate high suction force, and the sludge water is smoothly discharged; the straight draft tube is matched with the precipitation assembly, water is uniformly distributed through the inclined draft tube, the inclined tube is used for entering the water collecting tank again, suspended matters in water are finally precipitated to form third-time sedimentation flocculation, and the flocculated mud is collected in a V-shaped mud discharging area on the edge.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems in the prior art, and provides a high-efficiency desilting basin for hydraulic flocculation separation, which aims to solve the technical problems that: how to realize quick effectual water conservancy flocculation separation desilting, stably discharge, arrange mud efficiently, practice thrift area, with low costs, the security performance is high.
The purpose of the utility model can be realized by the following technical proposal:
a hydraulic flocculation separation high-efficiency sand settling basin comprises a sand basin body and a water inlet pipe, wherein a straight guide cylinder and a central cylinder are arranged inside the sand basin body, the straight guide cylinder is positioned outside the central cylinder, a precipitation assembly is arranged between the straight guide cylinder and the sand basin body and comprises a water collecting tank and an inclined pipe, an inclined guide cylinder is arranged at the lower end of the straight guide cylinder, an inverted cone mud bucket is arranged below the central cylinder, an inverted cone mud discharging area is formed inside the inverted cone mud bucket, a V-shaped mud discharging area is formed between the inverted cone mud bucket and the sand basin bodies on two sides, a first flocculation settling area is arranged inside the central cylinder, a second flocculation settling area is formed between the central cylinder and the straight guide cylinder and between the inverted cone mud bucket and the inclined guide cylinder and between the lower 1.5 m of the lower part of the inclined pipe, a third flocculation settling area is arranged between the straight guide cylinder and the sand basin body, the end part of the water inlet pipe extends into the central cylinder, an edge mud discharging pipe is arranged inside the V-shaped mud discharging area, a middle mud discharging pipe is arranged inside the inverted cone mud discharging area, the outside of husky pond body is equipped with out the water tank, and the lower extreme of going out the water tank is equipped with the outlet pipe.
The straight guide cylinder and the inclined guide cylinder form a guide cylinder, the straight guide cylinder is cylindrical, and the inclined guide cylinder is in a shape of a circular truncated cone; an umbrella-shaped plate is arranged on the inner side of the sand pool body, the umbrella-shaped plate forms a square table shape which is placed upside down, the inclination of the umbrella-shaped plate is larger than 60 degrees, and the lower end part of the inclined guide cylinder is flush with the lower end part of the umbrella-shaped plate.
By adopting the structure, the inclined guide cylinder is used for uniformly distributing water to ensure that the water is stably settled, settled mud falls into the V-shaped mud discharge area, and raw water enters the straight guide cylinder from the space between the inclined guide cylinder and the umbrella-shaped plate.
The end part of the water inlet pipe in the central cylinder is connected with a water inlet nozzle.
Structure more than adopting, the raw water promotes through the water pump and gets into the inlet tube, and in inlet tube water inlet department, throw high polymer coagulant (like polyacrylamide PAM), rely on the pipeline mixer to accomplish the mixture of medicament, the water of mixing gets into through the inlet tube to through the inside of the eccentric entering center section of thick bamboo of water inlet nozzle, form the whirl in the center section of thick bamboo and make suspended particles collision each other gather, carry out the flocculation.
The inclination of the inverted cone mud bucket is the same as the inclination of the inclined guide cylinder, and the distance between the central cylinder and the straight guide cylinder is the same as the distance between the inverted cone mud bucket and the inclined guide cylinder.
By adopting the structure, the rotational flow flocculation separation is efficiently settled between the central cylinder and the straight guide cylinder, high-concentration muddy water is formed between the inverted cone mud bucket and the inclined guide cylinder, and the mud discharging smoothness is realized.
The water collecting tank and the inclined pipe are both arranged between the straight guide cylinder and the sand pool body, the water collecting tank is positioned on the upper portion of the inclined pipe, the inclined pipe is of a structure that one layer of inclined pipelines are laid between the straight guide cylinder and the sand pool body, and the water collecting tank is of a structure that the straight guide cylinder and the sand pool body are arranged in a radial mode and parallel to the sand pool body.
By adopting the structure, the raw water rises to the inclined pipe from the space between the inclined guide cylinder and the umbrella-shaped plate, suspended matters in the water are finally precipitated through the inclined pipe, the precipitate enters the V-shaped sludge discharge area, and the filtered raw water enters the water collecting tank.
Compared with the prior art, the hydraulic flocculation separation high-efficiency desilting basin has the following advantages:
the sand pool bodies can be flexibly constructed, the pool walls can be shared among the sand pool bodies, the construction cost and the construction difficulty are reduced, the sand pool is suitable for large-scale water treatment scale with large water quality change range of raw water, the occupied area is saved, the engineering investment is reduced, and the safety performance is high;
the central cylinder is matched with the water inlet nozzle, so that high-turbidity raw water directly enters the central cylinder to form rotational flow, suspended particles in the water form a flocculation pre-sedimentation gradient from bottom to top to form primary sedimentation flocculation, the raw water forms water to flow upwards into the flow guide area after fully reacting in the central cylinder, and flocculated sludge downwards enters the inverted cone mud bucket;
after the flow state is stabilized by the upper part of the central cylinder, the flocculated sludge is turned out and enters a flocculation precipitation area formed among the central cylinder, the straight guide cylinder and the inclined guide cylinder to form secondary sedimentation flocculation, the flocculated sludge is collected in a V-shaped sludge discharge area at the edge part to perform net capture and adsorption on suspended matters in water, high-concentration sludge water is generated and is matched with a sludge discharge pipe at the edge part to generate high suction force, and the sludge water is smoothly discharged;
the straight draft tube is matched with the precipitation assembly, water is uniformly distributed through the inclined draft tube, the inclined tube is used for entering the water collecting tank again, suspended matters in water are finally precipitated to form third-time sedimentation flocculation, and the flocculated mud is collected in a V-shaped mud discharging area on the edge.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
in the figure: 1-water inlet pipe, 2-water inlet nozzle, 3-central cylinder, 4-straight guide cylinder, 5-inclined guide cylinder, 6-umbrella-shaped plate, 7-inclined pipe, 8-water collecting tank, 9-water outlet pipe, 10-edge mud pipe, 11-middle mud pipe, 12-inverted cone mud area, 13-V mud area, 14-water outlet tank and 15-sand pool body.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Referring to fig. 1-2, the embodiment provides a hydraulic flocculation separation high-efficiency sand settling tank, which comprises a sand tank body 15 and a water inlet pipe 1, wherein a straight guide cylinder 4 and a central cylinder 3 are arranged inside the sand tank body 15, the straight guide cylinder 4 is positioned outside the central cylinder 3, a settling assembly is arranged between the straight guide cylinder 4 and the sand tank body 15, the settling assembly comprises a water collecting tank 8 and an inclined pipe 7, an inclined guide cylinder 5 is arranged at the lower end of the straight guide cylinder 4, an inverted cone mud bucket is arranged below the central cylinder 3, an inverted cone mud discharging area 12 is formed inside the inverted cone mud bucket, a V-shaped mud discharging area 13 is formed between the inverted cone mud bucket and the sand tank body 15 at two sides, a first flocculation settling area is arranged inside the central cylinder 3, a second flocculation settling area is formed between the central cylinder 3 and the straight guide cylinder 4 as well as the inclined guide cylinder 5 and between the inclined pipe 7 by 1.5 m, and a third flocculation settling area is arranged between the straight guide cylinder 4 and the sand tank body 15, the tip of inlet tube 1 stretches into the inside of a central section of thick bamboo 3, and V-arrangement mud discharging area 13 is inside to be equipped with limit portion mud pipe 10, and the inside in back taper mud discharging area 12 is equipped with middle part mud pipe 11, and the outside of husky pond body 15 is equipped with outlet box 14, and outlet box 14's lower extreme is equipped with outlet pipe 9.
The straight guide shell 4 and the inclined guide shell 5 form a guide shell, the straight guide shell 4 is cylindrical, and the inclined guide shell 5 is circular truncated cone-shaped; an umbrella-shaped plate 6 is arranged on the inner side of the sand pool body 15, the umbrella-shaped plate 6 is in an inverted square-table shape, the inclination of the umbrella-shaped plate 6 is greater than 60 degrees, and the lower end part of the inclined guide cylinder 5 is flush with the lower end part of the umbrella-shaped plate 6; the inclined guide shell 5 is used for uniformly distributing water to enable the water to be stably settled, settled mud falls into the V-shaped mud discharge area 13, and raw water enters the straight guide shell 4 from the space between the inclined guide shell 5 and the umbrella-shaped plate 6.
The end part of the water inlet pipe 1 in the central cylinder 3 is connected with a water inlet nozzle 2; raw water is lifted by a water pump and enters a water inlet pipe 1, a high-molecular coagulant (such as Polyacrylamide (PAM)) is added at a water inlet of the water inlet pipe 1, the mixing of medicaments is completed by a pipeline mixer, the mixed water enters through the water inlet pipe 1 and enters the inside of a central cylinder 3 through the eccentricity of a water inlet nozzle 2, and rotational flow is formed in the central cylinder 3 to enable suspended particles to collide and gather with each other for flocculation.
The inclination of the inverted cone mud bucket is the same as the inclination of the inclined guide cylinder 5, and the distance between the central cylinder 3 and the straight guide cylinder 4 is the same as the distance between the inverted cone mud bucket and the inclined guide cylinder 5; the rotational flow flocculation separation is efficiently settled between the central cylinder 3 and the straight guide cylinder 4, and high-concentration muddy water is formed between the inverted cone mud bucket and the inclined guide cylinder 5, so that the mud discharging is smooth.
The water collecting tank 8 and the inclined pipe 7 are both arranged between the straight guide shell 4 and the sand pool body 15, the water collecting tank 8 is positioned at the upper part of the inclined pipe 7, the inclined pipe 7 is a structure of a layer of inclined pipeline laid between the straight guide shell 4 and the sand pool body 15, and the water collecting tank 8 is a structure which is radial and is arranged in parallel with the sand pool body 15; raw water rises to the inclined pipe 7 from the position between the inclined guide cylinder 5 and the umbrella-shaped plate 6, suspended matters in the water are finally precipitated through the inclined pipe 7, the precipitate enters the V-shaped sludge discharge area 13, and the filtered raw water enters the water collecting tank 8.
The utility model discloses a theory of operation:
raw water is lifted by a water pump to enter a water inlet pipe 1, a high-molecular coagulant (such as Polyacrylamide (PAM)) is added at a water inlet of the water inlet pipe 1, the mixing of medicaments is completed by a pipeline mixer, the mixed water enters through the water inlet pipe 1 and enters the inside of a central cylinder 3 through the eccentricity of a water inlet nozzle 2, a first flocculation and precipitation area is arranged inside the central cylinder 3, and a rotational flow is formed in the central cylinder 3 to enable suspended particles to collide and aggregate with each other for primary flocculation;
a rotational flow strengthening area is formed in the central cylinder 3 above the water inlet nozzle 2, so that high flocculation power required at the initial stage of coagulation is provided, meanwhile, hydraulic separation of granular floccules is completed at a high ascending flow velocity, namely, large-particle-size and compact particles overcome the jacking force of ascending water flow by means of gravity, settle to the inverted cone-shaped sludge discharge area 12 at the lower part of the central cylinder 3, so that solid-liquid separation is completed, and when the middle sludge discharge pipe 11 is opened, a high flow velocity is generated, so that muddy water in the inverted cone-shaped sludge discharge area 12 is smoothly discharged;
flocculating constituents with small particle sizes suspend in water under the action of ascending water flow jacking, raw water enters a central cylinder 3 to complete rotational flow, is subjected to flow state stabilization through the upper part of the central cylinder 3, is turned out to enter a second flocculation precipitation area between the central cylinder 3 and a straight guide cylinder 4 as well as an inclined guide cylinder 5, is uniformly distributed with water by the inclined guide cylinder 5, gradually reduces along with the increase of the section of the water, and carries out net catching and adsorption on suspended matters in the water, so that the growth of the flocculating constituents is completed in the process, larger flocculating constituents are formed, and the flocculating constituents are collected in a V-shaped sludge discharge area 13 to carry out secondary flocculation;
the raw water rises to an inclined position 7 from the position between the inclined guide cylinder 5 and the umbrella-shaped plate 6, passes through the inclined pipe 7 and then enters the water collecting tank 8, the suspended matters in the water are finally precipitated, and the precipitate enters the V-shaped sludge discharge area 13 through the inclined guide cylinder 5 to be secondarily flocculated;
when the edge opening sludge discharge pipe 10 is opened, a high flow velocity is generated, so that the muddy water is smoothly discharged;
the cleaner water overflows from the upper edge of the straight guide shell 4, enters the water outlet tank 14 and is discharged through the water outlet pipe 9.
In conclusion, the sand pool bodies 15 are flexible in construction mode, the pool walls can be shared among the sand pool bodies 15, the construction cost and the construction difficulty are reduced, the sand pool is suitable for large-scale water treatment scale with large raw water quality change range, the occupied area is saved, the construction investment is reduced, and the safety performance is high;
the central cylinder is matched with the water inlet nozzle 2, so that high-turbidity raw water directly enters the central cylinder to form rotational flow, suspended particles in the water form a flocculation pre-sedimentation gradient from bottom to top to form primary sedimentation flocculation, the raw water forms water to flow upwards into a flow guide area after fully reacting in the central cylinder, and flocculated sludge enters an inverted cone mud bucket downwards;
after the flow state is stabilized by the upper part of the central cylinder 3, the sludge is turned out and enters a flocculation precipitation area formed among the central cylinder 3, the straight guide cylinder 4 and the inclined guide cylinder 5 to form secondary sedimentation flocculation, and the flocculated sludge is collected in a V-shaped sludge discharge area 13 at the edge part to perform net catching and adsorption on suspended matters in water, so that high-concentration sludge water is generated and is matched with a sludge discharge pipe 10 at the edge part to generate high suction force, and the sludge water is smoothly discharged;
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. A hydraulic flocculation separation efficient sand settling pond comprises a sand pond body (15) and a water inlet pipe (1), and is characterized in that a straight guide cylinder (4) and a central cylinder (3) are arranged inside the sand pond body (15), the straight guide cylinder (4) is located on the outer side of the central cylinder (3), a precipitation assembly is arranged between the straight guide cylinder (4) and the sand pond body (15) and comprises a water collecting tank (8) and an inclined pipe (7), an inclined guide cylinder (5) is arranged at the lower end of the straight guide cylinder (4), an inverted cone mud bucket is arranged below the central cylinder (3), an inverted cone mud discharging area (12) is formed inside the inverted cone mud bucket, a V-shaped mud discharging area (13) is formed between the inverted cone mud bucket and the sand pond bodies (15) on two sides, a first flocculation settling area is arranged inside the central cylinder (3), a second sedimentation area is formed among the central cylinder (3), the straight guide cylinder (4) and the inclined guide cylinder (5) and 1.5 meters below the inclined pipe (7), a third flocculation and precipitation area is arranged between the straight guide cylinder (4) and the sand pool body (15), the end part of the water inlet pipe (1) extends into the center cylinder (3), an edge sludge discharge pipe (10) is arranged inside the V-shaped sludge discharge area (13), a middle sludge discharge pipe (11) is arranged inside the inverted cone sludge discharge area (12), a water outlet tank (14) is arranged on the outer side of the sand pool body (15), and a water outlet pipe (9) is arranged at the lower end of the water outlet tank (14).
2. The hydraulic flocculation separation high-efficiency desilting basin according to claim 1, wherein the straight guide cylinder (4) and the inclined guide cylinder (5) form a guide cylinder, the straight guide cylinder (4) is cylindrical, and the inclined guide cylinder (5) is frustum-shaped; an umbrella-shaped plate (6) is arranged on the inner side of the sand pool body (15), the umbrella-shaped plate (6) is in a shape of an inverted square table, the inclination of the umbrella-shaped plate (6) is greater than 60 degrees, and the lower end of the inclined guide cylinder (5) is flush with the lower end of the umbrella-shaped plate (6).
3. The hydraulic flocculation separation high-efficiency desilting basin according to claim 1, characterized in that the end of the water inlet pipe (1) inside the central cylinder (3) is connected with a water inlet nozzle (2).
4. The hydraulic flocculation separation high-efficiency desilting basin according to claim 1, wherein the inclination of the inverted cone mud bucket is the same as the inclination of the inclined guide cylinder (5), and the distance between the central cylinder (3) and the straight guide cylinder (4) is the same as the distance between the inverted cone mud bucket and the inclined guide cylinder (5).
5. The hydraulic flocculation separation high-efficiency sand basin according to claim 1, wherein the water collection tank (8) and the inclined pipe (7) are both arranged between the straight guide cylinder (4) and the sand basin body (15), the water collection tank (8) is positioned at the upper part of the inclined pipe (7), the inclined pipe (7) is a structure of a layer of inclined pipeline laid between the straight guide cylinder (4) and the sand basin body (15), and the water collection tank (8) is a structure which is radially arranged and is parallel to the sand basin body (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220977602.2U CN217077102U (en) | 2022-04-26 | 2022-04-26 | High-efficient desilting basin of water conservancy flocculation separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220977602.2U CN217077102U (en) | 2022-04-26 | 2022-04-26 | High-efficient desilting basin of water conservancy flocculation separation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217077102U true CN217077102U (en) | 2022-07-29 |
Family
ID=82502280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220977602.2U Active CN217077102U (en) | 2022-04-26 | 2022-04-26 | High-efficient desilting basin of water conservancy flocculation separation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217077102U (en) |
-
2022
- 2022-04-26 CN CN202220977602.2U patent/CN217077102U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208857025U (en) | A kind of wastewater sedimentation device | |
| CN101564609B (en) | Vortex grid clarifying pool and clarifying method for enhancing clarifying effect of coagulation reaction in water treatment | |
| CN104193027A (en) | A gravity type integrated water purifier | |
| CN102774992A (en) | Integrated cyclone purifier | |
| CN212334700U (en) | High-efficient clarification separator | |
| CN106039776A (en) | Novel combined sedimentation tank | |
| CN102515383B (en) | Water-saving clarification and purification system and process thereof | |
| CN110204103B (en) | Suspension medium layer filtering system based on hydraulic fluidization layering | |
| CN210133923U (en) | Novel high-efficient sedimentation tank | |
| CN217077102U (en) | High-efficient desilting basin of water conservancy flocculation separation | |
| CN102126775A (en) | Integrated high-efficient contact flocculation reactor | |
| CN213037569U (en) | Cyclone air-float clarification tank | |
| CN201999778U (en) | Single-layer pressure integration oil eliminator | |
| CN108946988A (en) | A kind of double helix sedimentation basin suitable for the removing of rural area rainwash suspended matter | |
| CN213221092U (en) | High-efficient whirl deposits water purifier | |
| CN210030390U (en) | Movable slurry preparation tank | |
| CN210559781U (en) | Suspension medium layer filtering system based on hydraulic flow state layering | |
| CN210736421U (en) | Integrated advanced treatment device for small and medium-scale domestic sewage in villages and small towns | |
| CN210457812U (en) | Multistage flocculation sewage treatment system based on magnetic powder recovery and distribution device | |
| CN209392786U (en) | Deep cone thickener for the processing of hydropower industry sandstone wastewater | |
| CN205903667U (en) | Novel combined type sedimentation tank | |
| CN206538286U (en) | A kind of integrated small displacement sewage water advanced treatment apparatus | |
| CN202322535U (en) | Water-saving type clarifying and purifying system | |
| CN206463554U (en) | A kind of high-efficiency swirl-type second pond | |
| CN105753117B (en) | A kind of equipment for separating liquid from solid and its application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |