CN214422397U - Multi-stage water purifying device for treating wastewater - Google Patents
Multi-stage water purifying device for treating wastewater Download PDFInfo
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- CN214422397U CN214422397U CN202120076192.XU CN202120076192U CN214422397U CN 214422397 U CN214422397 U CN 214422397U CN 202120076192 U CN202120076192 U CN 202120076192U CN 214422397 U CN214422397 U CN 214422397U
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- treating wastewater
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 239000002351 wastewater Substances 0.000 title claims abstract description 47
- 239000010802 sludge Substances 0.000 claims abstract description 49
- 238000001914 filtration Methods 0.000 claims abstract description 26
- 238000002156 mixing Methods 0.000 claims abstract description 23
- 238000000926 separation method Methods 0.000 claims abstract description 20
- 238000000746 purification Methods 0.000 claims abstract description 7
- 239000010865 sewage Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 10
- 238000012545 processing Methods 0.000 abstract description 7
- 238000005352 clarification Methods 0.000 abstract description 5
- 239000007787 solid Substances 0.000 abstract description 4
- 239000003814 drug Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000011001 backwashing Methods 0.000 description 10
- 238000011010 flushing procedure Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 4
- 239000013049 sediment Substances 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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Abstract
The utility model discloses a multi-stage water purifying device for treating wastewater, which comprises a cylindrical body, a hydraulic circulation clarifying component, a water flow guiding component and a filtering component which are arranged from bottom to top in sequence, and a sludge concentration component; the hydraulic circulating clarifying assembly comprises a mixing chamber, a reaction chamber, a separation chamber and a water collecting tank, wherein the inlet of the mixing chamber is communicated with a water inlet pipe, the outlet of the mixing chamber is communicated with the reaction chamber through a throat pipe, the separation chamber is arranged on the side edge of the reaction chamber, and the water collecting tank is arranged above the separation chamber; the sludge concentration component is arranged below the reaction chamber and communicated with the reaction chamber. The utility model provides a multistage purifier of processing waste water breaks the bottleneck of traditional water treatment process, has highly integrateed multiple water treatment workshop section, mixes medicament, hydrologic cycle clarification, filters etc. and combines together, has solved the problem of aquatic suspended solid in the key, has realized the qualified emission of waste water, is particularly useful for mine waste water, has realized that the waste water that contains the suspended solid accomplishes hydrologic cycle clarification, deposits, filterable multistage purification in same jar internal.
Description
Technical Field
The utility model relates to a waste water treatment technical field, concretely relates to handle multistage purifier of waste water.
Background
In recent years, the industry of China is developed at a high speed, so that the water environment pollution caused by the industry is more and more serious, water pollution accidents frequently occur, and the health of human beings is seriously threatened. At present, most of common treatment processes for treating suspended matters in wastewater are coagulation sedimentation filtration, high-density sedimentation equipment and filtration equipment are mainly used, and the following main defects exist: 1. the occupied area is large, and the land acquisition pressure of enterprises is large; 2. the number of devices is large, and the management difficulty is high; 3. the process is long, the operation is inconvenient, and the labor cost is high; 4. the maintenance equipment is more and the cost is high.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a multistage purifier for treating wastewater, which breaks the bottleneck of the conventional water treatment process, highly integrates various water treatment sections, integrates medicament mixing, hydraulic circulation clarification, filtration and the like, mainly solves the problem of suspended matters in water, realizes qualified discharge of wastewater, is particularly suitable for mine wastewater, and realizes multistage purification of hydraulic circulation clarification, sedimentation and filtration of wastewater containing suspended matters in the same tank body. Moreover, the water treatment device can be used as a pretreatment device for advanced treatment, and a good starting condition is created for the improvement of the whole water treatment process.
In order to solve the technical problem, the utility model provides a handle multistage purifier of waste water has adopted as follows technical scheme:
a multi-stage water purifying device for treating wastewater comprises a cylindrical body, a hydraulic circulating clarifying assembly, a water flow guiding assembly, a filtering assembly and a sludge concentrating assembly, wherein the hydraulic circulating clarifying assembly, the water flow guiding assembly and the filtering assembly are sequentially arranged from bottom to top; the hydraulic circulation clarifying assembly comprises a mixing chamber, a reaction chamber, a separation chamber and a water collecting tank, wherein the inlet of the mixing chamber is communicated with a water inlet pipe, the outlet of the mixing chamber is communicated with the reaction chamber through a throat pipe, the separation chamber is arranged on the side edge of the reaction chamber, and the water collecting tank is arranged above the separation chamber; the sludge concentration component is arranged below the reaction chamber and communicated with the reaction chamber.
As the utility model provides a multistage purifier's of processing waste water a preferred embodiment, the mixing chamber entry is provided with the nozzle.
As the utility model provides a multistage purifier's of processing waste water a preferred embodiment, the reacting chamber includes first reacting chamber and second reacting chamber, first reacting chamber sets up constitute dicyclo structure in the second reacting chamber.
As the utility model provides a multistage purifier's of processing waste water a preferred embodiment, be provided with the draft tube between reacting chamber and the separator.
As a preferred embodiment of the multi-stage water purifying device for treating wastewater provided by the utility model, the lower part of the reaction chamber is provided with an umbrella-shaped cover.
As the utility model provides a handle multistage purifier of waste water a preferred embodiment, rivers guide assembly includes water-locator, guide plate and the collector pipe that sets gradually from bottom to top, the collector pipe is type pipe of falling T.
As a preferred embodiment of the multi-stage water purifying device for treating wastewater provided by the present invention, the filtering component includes a filtering plate, a filtering material and a water producing/back flushing pipe, the water producing/back flushing pipe is disposed on the cylindrical body and is located below the filtering plate and above the water collecting pipe; the filter material sets up on the filter plate, the filter plate is installed on the cylindricality body.
As a preferred embodiment of the multi-stage water purifying device for treating wastewater provided by the present invention, the filtering assembly further comprises a drain pipe disposed on the cylindrical body and above the filtering material; an L-shaped sewage draining groove is also arranged beside the sewage draining pipe.
As the utility model provides a multistage purifier's of processing waste water a preferred embodiment, the concentrated subassembly of mud includes the concentrated fill of mud sediment, the concentrated fill of mud sediment wide top with the reaction chamber intercommunication, the concentrated narrow bottom and the mud pipe intercommunication of fighting of mud sediment, install the mud valve on the mud pipe.
As the utility model provides a multistage purifier's of processing waste water a preferred embodiment, the inlet tube still connects a mud return pipe, and its other end gos deep into in the sludge concentration subassembly.
Compared with the prior art, the utility model discloses there is following beneficial effect:
the utility model provides a handle multistage purifier of waste water, the multistage purifier of processing waste water, its bottleneck of broken traditional water treatment process, highly integrated multiple water treatment workshop section, mix medicament, hydrologic cycle clarification, filtration etc. combine together, the problem of aquatic suspended solid has been solved in key, has realized the qualified emission of waste water, is particularly useful for mine waste water. On the other hand, the water treatment device can be used as a pretreatment device for advanced treatment, and a good starting condition is created for the improvement of the whole water treatment process.
The multi-stage water purifying device for treating wastewater provided by the utility model has the advantages of high integration level, unpowered sludge backflow, wide water quality range (50-12000 mg/L) for treating SS (suspended solid), good treatment effect, less investment, small occupied area, convenient installation, simple daily maintenance of equipment and low operation cost; remote control and automatic operation can be realized; compared with other process technologies, the method has obvious advantages. The defects of large floor area, more equipment, high operation management and maintenance cost and the like of high-density sedimentation equipment and filtering equipment in the prior art are overcome.
Drawings
In order to illustrate the present application or prior art more clearly, a brief description of the drawings needed for the description of the embodiments or prior art will be given below, it being clear that the drawings in the following description are some embodiments of the present application and that other drawings can be derived from them by a person skilled in the art without inventive effort.
FIG. 1 is a schematic structural view of a multi-stage water purifying apparatus for treating wastewater in the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.
A multi-stage water purifying device for treating wastewater comprises a cylindrical body 1, a hydraulic circulating clarifying assembly, a water flow guiding assembly, a filtering assembly and a sludge concentrating assembly, wherein the hydraulic circulating clarifying assembly, the water flow guiding assembly and the filtering assembly are sequentially arranged from bottom to top; the hydraulic circulating clarifying assembly comprises a mixing chamber 3, a reaction chamber, a separation chamber 9 and a water collecting tank 11, wherein the inlet of the mixing chamber 3 is communicated with a water inlet pipe 2, the outlet of the mixing chamber 3 is communicated with the reaction chamber through a throat pipe 5, the separation chamber 9 is arranged on the side edge of the reaction chamber, and the water collecting tank 11 is arranged above the separation chamber 9; the sludge concentration component is arranged below the reaction chamber and communicated with the reaction chamber.
Further, a nozzle 4 is arranged at the inlet of the mixing chamber 3, namely the water inlet pipe 2 is used for feeding the wastewater containing suspended matters after dosing and mixing into the mixing chamber 3 through the nozzle 4 by a hydraulic driving assembly.
Further, the connecting part of the throat pipe 5 and the top of the mixing chamber 3 is arranged to be connected with a bell mouth 51, when the wastewater is sprayed into the throat pipe 5 at a high speed, vacuum is formed around the bell mouth 51 of the throat pipe 5, sludge amount which is about 3 times of that of the raw water is sucked, and the sludge and the raw water are rapidly mixed and enter the reaction chamber.
Further, the reaction chamber comprises a first reaction chamber 6 and a second reaction chamber 7, wherein the first reaction chamber 6 is arranged in the second reaction chamber 7 to form a double-ring structure, so that a double-stage coagulation effect is realized. Wherein, the first reaction chamber 6 is a divergent tube structure. First reaction chamber 6 and second reaction chamber 7 all pass through channel-section steel fixed connection with 1 inside wall of cylindricality body, accomplish the flocculation process in first reaction chamber 6, second reaction chamber 7, through contact flocculation, destabilize impurity and be held back by active mud sediment.
Specifically, the first reaction chamber 6 and the second reaction chamber 7 are provided with grids, the grids are pine strips with the sectional area of 30mm multiplied by 20mm, the grids are 11 layers in total and are divided into four sections. A first stage, one layer, with mesh clearance size of 20mm x 20mm (1 layer); the second section is 4 layers, the net clearance size is 25mm multiplied by 25mm (2-5 layers), the third section is 4 layers, the net clearance size is 30mm multiplied by 30mm (6-9 layers), the fourth section is 2 layers, and the net clearance size is 35mm multiplied by 35mm (10-11 layers).
Further, a guide shell 8 is arranged between the reaction chamber and the separation chamber 9. Specifically, the separation chamber 9 is a gravity separation chamber 9 with an annular structure, which is communicated with the second reaction chamber 7 through a guide cylinder 8, water flow enters the gravity separation chamber 9 from the second reaction chamber 7 through the guide cylinder 8, sludge is settled due to the sudden expansion of the cross-sectional area and the reduction of the flow velocity, and a part of sludge enters the sludge concentration hopper 22 of the sludge concentration assembly and is periodically discharged. In the case of no sludge discharge, the sludge discharge valve on the sludge discharge pipe 23 of the sludge concentration assembly is closed, and the whole water flows upward.
Furthermore, the gravity separation chamber 9 is provided with a polyvinyl chloride inclined pipe, the aperture is 25mm, the wall thickness is 0.5mm, the length is 1000mm, the inclination angle is 60 degrees, and the ascending flow velocity is designed to be 2.0 mm/s.
Further, an umbrella-shaped cover 10 is arranged at the lower part of the reaction chamber. After passing through the reaction chamber, clear water flows upwards, sludge flows downwards, firstly slides down through the umbrella-shaped cover 10 and then slides down through the wall of the sludge concentration hopper 22, and a complementary flow circulation is formed with water flow in the sliding process.
Further, the water flow guiding assembly comprises a water distributor 12, a guide plate 13 and a water collecting pipe 14 which are sequentially arranged from bottom to top, and the water collecting pipe 14 is an inverted T-shaped pipe. The clear water collected by the water collecting tank 11 flows into the guide plate 13 through the water distributor 12, and then is discharged into the filtering component from the top of the water collecting pipe 14 through the water collecting pipe 14 of the inverted T-shaped pipe.
Further, the baffle 13 includes the swash plate 132 and supports the support 131 of swash plate, the support 131 with cylindricality body 1 fixed connection, swash plate 132 both ends with support 131 fixed connection.
Further, the filtering component comprises a filtering plate 15, a filtering material 16, a water production/backwashing pipe 17 and a sewage discharge pipe 18, wherein the water production/backwashing pipe 17 is arranged on the cylindrical body 1, is positioned below the filtering plate 15 and is positioned above the water collecting pipe 14; the filter material 16 is arranged on the filter plate 15, the filter plate 15 is arranged on the cylindrical body 1, and the sewage discharge pipe 18 is arranged on the cylindrical body 1 and is positioned above the filter material 16. Further, an L-shaped sewage draining groove 19 is arranged beside the sewage draining pipe 18.
Specifically, the filter plate 15 and the filter material 16 jointly form a filter layer, and the filter material 16 is a fiber ball filter material 16.
The water production pipe/backwash pipe 17 is connected to the water production/backwash pipe 17 located at the top of the cylindrical body 1, and the water production pipe/backwash pipe 17 is provided with an electric switching valve; when water is produced (namely clear water is discharged), water flows out from the horn top 142 of the central pipe 141 of the water collecting pipe 14 to enter the filter layer, passes through the filter layer and then flows out through the water producing pipe/backwashing pipe 17; during backwashing, water flows into the cylindrical body 1 through the water production pipe/backwashing pipe 17, the filter layer is backwashed, and the flushed sewage is discharged through the sewage discharge pipe 18; in particular, the water production and backwashing operations can be switched outside the cylindrical body 1 by means of an electric valve.
The back washing sewage draining groove 19 is positioned at the upper part of the filter material 16 layer, is annularly arranged and is connected with the cylindrical body 1. The sewage discharge pipe 18 is connected with the side wall of the cylindrical body 1 through the sewage discharge pipe 18, and the bottom of the pipe is communicated with the back washing sewage discharge groove 19.
A water distribution area 20 is arranged between the water production/backwashing pipe 17 and the filter plate 15, the water distribution area 20 is provided with a support plate and a water distributor 21, the water distributor 21 adopts a filter head to distribute water, the filter head is arranged on the support plate, and the support plate is fixed with the inner side wall of the cylindrical body 1 and the outer side wall of the water collecting pipe 14.
Further, the sludge concentration component comprises a sludge concentration hopper 22, the wide top of the sludge concentration hopper 22 is communicated with the reaction chamber, the narrow bottom of the sludge concentration hopper 22 is communicated with a sludge discharge pipe 23, and a sludge discharge valve is mounted on the sludge discharge pipe 23. Further, the water inlet pipe 2 is further connected with a sludge return pipe 24, the other end of the water inlet pipe extends into the sludge concentration hopper 22, preferably, a water suction bell mouth is arranged at the tail end of the sludge return pipe 24 so as to facilitate one-time suction of a large amount of sludge, and the water inlet pipe 2 and the sludge return pipe enter the mixing chamber 3 through a hydraulic drive assembly, so that unpowered sludge return is realized.
Further, the top of the cylindrical body 1 is also connected with an exhaust pipe 25.
The utility model discloses a handle multistage purifier of waste water's working process as follows:
adding chemicals into wastewater containing suspended matters, mixing the wastewater with the chemicals, then entering a mixing chamber 3 through a nozzle 4 by a hydraulic drive assembly, spraying the wastewater into a throat 5 at a high speed, forming vacuum around the bell mouth of the throat 5, sucking sludge amount which is about 3 times of that of raw water, rapidly mixing the sludge and the raw water, and entering a first reaction chamber 6 and a second reaction chamber 7 in a gradually expanding pipe shape for coagulation treatment; the water flow enters the gravity separation chamber 9 from the second reaction chamber 7, the mud is settled down to the mud concentrating hopper 22 due to the sudden expansion of the cross section area and the reduction of the flow speed, wherein a part of the mud enters the mud concentrating hopper 22 to be discharged periodically, and most of the mud is sucked into the throat pipe 5 again through the mud returning pipe 24 to be refluxed; clear water rises through the separation chamber 9 to enter the water collection tank 11, then upwards enters the guide plate 13 through the water distributor 12, then enters the water collection pipe 14, is collected and discharged from the horn top 142 of the central pipe 141 of the water collection pipe 14 to enter a filter layer (filter material and filter) of the filter assembly for filtering, the filtering adopts a form of water inlet and water outlet, and finally the water is discharged through the water production/backwashing pipe 17. The separated sludge is concentrated by a sludge concentrating hopper 22 and then is periodically discharged through a sludge discharge pipe 23.
When the filter layer needs to be cleaned in a back flushing mode, clear water is discharged from the water production/back flushing pipe 17 through the switching of an electric valve of the water production/back flushing pipe 17, inlet water firstly enters the water distribution area 20, the surface of the filter layer is cleaned through a water distributor 21 (water is distributed through a filter head), cleaned sewage enters the back flushing sewage discharge groove 19 and is discharged through the sewage discharge pipe 18, and the electric valve can be arranged on the sewage discharge pipe 18.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.
Claims (10)
1. A multi-stage water purifying device for treating wastewater is characterized by comprising a cylindrical body, a hydraulic circulation clarifying component, a water flow guiding component, a filtering component and a sludge concentrating component, wherein the hydraulic circulation clarifying component, the water flow guiding component and the filtering component are sequentially arranged from bottom to top; the hydraulic circulation clarifying assembly comprises a mixing chamber, a reaction chamber, a separation chamber and a water collecting tank, wherein the inlet of the mixing chamber is communicated with a water inlet pipe, the outlet of the mixing chamber is communicated with the reaction chamber through a throat pipe, the separation chamber is arranged on the side edge of the reaction chamber, and the water collecting tank is arranged above the separation chamber; the sludge concentration component is arranged below the reaction chamber and communicated with the reaction chamber.
2. The multi-stage water purification apparatus for treating wastewater according to claim 1, wherein the mixing chamber inlet is provided with a nozzle.
3. The multi-stage water purification apparatus for treating wastewater according to claim 1, wherein the reaction chamber comprises a first reaction chamber and a second reaction chamber, and the first reaction chamber is disposed in the second reaction chamber to form a double ring structure.
4. The multi-stage water purifying apparatus for treating wastewater according to claim 1, wherein a draft tube is disposed between the reaction chamber and the separation chamber.
5. The multi-stage water purifying apparatus for treating wastewater according to claim 1, wherein an umbrella-shaped cover is provided at a lower portion of the reaction chamber.
6. The multi-stage water purifying device for treating wastewater according to claim 1, wherein the water flow guiding assembly comprises a water distributor, a flow guide plate and a water collecting pipe which are arranged in sequence from bottom to top, and the water collecting pipe is an inverted T-shaped pipe.
7. The multi-stage water purification device for treating wastewater of claim 6, wherein the filter assembly comprises a filter plate, a filter material and a product/backwash pipe, the product/backwash pipe being disposed on the cylindrical body below the filter plate and above the water collection pipe; the filter material sets up on the filter plate, the filter plate is installed on the cylindricality body.
8. The multi-stage water purification device for treating wastewater of claim 7, wherein the filter assembly further comprises a drain pipe disposed on the cylindrical body above the filter material; an L-shaped sewage draining groove is also arranged beside the sewage draining pipe.
9. The multi-stage water purifying device for treating wastewater according to claim 1, wherein the sludge concentration assembly comprises a sludge concentration hopper, the wide top of the sludge concentration hopper is communicated with the reaction chamber, the narrow bottom of the sludge concentration hopper is communicated with a sludge discharge pipe, and a sludge discharge valve is installed on the sludge discharge pipe.
10. The multi-stage water purification apparatus for treating wastewater as claimed in claim 1, wherein the water inlet pipe is further connected to a sludge return pipe, and the other end of the water inlet pipe extends into the sludge concentration unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120076192.XU CN214422397U (en) | 2021-01-12 | 2021-01-12 | Multi-stage water purifying device for treating wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120076192.XU CN214422397U (en) | 2021-01-12 | 2021-01-12 | Multi-stage water purifying device for treating wastewater |
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| Publication Number | Publication Date |
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| CN214422397U true CN214422397U (en) | 2021-10-19 |
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| CN202120076192.XU Expired - Fee Related CN214422397U (en) | 2021-01-12 | 2021-01-12 | Multi-stage water purifying device for treating wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114847331A (en) * | 2022-06-09 | 2022-08-05 | 山东省海洋科学研究院(青岛国家海洋科学研究中心) | Device of quickly separating shellfish meat and sand |
-
2021
- 2021-01-12 CN CN202120076192.XU patent/CN214422397U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114847331A (en) * | 2022-06-09 | 2022-08-05 | 山东省海洋科学研究院(青岛国家海洋科学研究中心) | Device of quickly separating shellfish meat and sand |
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