CN212127658U - Industrial wastewater settling tank - Google Patents

Industrial wastewater settling tank Download PDF

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Publication number
CN212127658U
CN212127658U CN202020268432.1U CN202020268432U CN212127658U CN 212127658 U CN212127658 U CN 212127658U CN 202020268432 U CN202020268432 U CN 202020268432U CN 212127658 U CN212127658 U CN 212127658U
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tank
precipitation tank
pipeline
side wall
industrial wastewater
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CN202020268432.1U
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Chinese (zh)
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白振光
刘家勇
韩志强
尹晓峰
张建海
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Tianjin Peric Environmental Engineering Technology Co ltd
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Tianjin Peric Environmental Engineering Technology Co ltd
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Abstract

The utility model provides an industrial wastewater precipitation tank, which comprises a primary precipitation tank, a secondary precipitation tank and a tertiary wastewater tank, wherein the side wall of the primary precipitation tank is connected with a water inlet, the side wall of the tertiary wastewater tank is connected with a water outlet, the primary precipitation tank is connected with the secondary precipitation tank through a first pipeline, the secondary precipitation tank is connected with the tertiary wastewater tank through a second pipeline, the first pipeline is arranged above the side walls of the primary precipitation tank and the secondary precipitation tank, and the second pipeline is arranged at the position below the side walls of the secondary precipitation tank and the tertiary wastewater tank; different from only carry out the spaced effluent water sump through the fender to the precipitation tank in the past, the utility model discloses an industrial waste water precipitation tank utilizes the pipeline to separate into independent individuality with the precipitation tank of different functions, has both helped the sediment and the filtration of waste water, can make things convenient for each precipitation tank of staff's clean maintenance again.

Description

Industrial wastewater settling tank
Technical Field
The utility model relates to an industrial waste water precipitation tank belongs to precipitation tank technical field.
Background
In the process of industrial production such as machining, a large amount of industrial wastewater containing impurities, sludge and suspended matters is often generated. The existing industrial wastewater has the following treatment methods: 1. directly discharging the sewage into soil or water, 2, treating the sewage by using water treatment equipment, and 3, discharging the sewage into a sewage pool for precipitation treatment; these methods generally suffer from the following disadvantages: 1. the waste water enters soil to destroy soil layers and is discharged into water to cause death of a large number of animals and plants in the water, 2, the cost of the filter element and the filter membrane is high, the filter element and the filter membrane are not suitable for large-scale industrial production, and 3, the sediment in the waste water is not easy to clean, is directly discharged through a pipeline, is easy to block the pipeline and has small treatment amount. Therefore, the waste water precipitation tank which has good precipitation effect and is easy to clean is designed, and the efficiency of industrial production is improved.
Disclosure of Invention
The utility model aims to solve the problems existing in the prior art and provide an industrial wastewater sedimentation tank.
In order to achieve the above object, the present invention is achieved by the following technical solutions, including:
the utility model provides an industrial wastewater settling tank, including the one-level precipitation tank, second grade precipitation tank and tertiary wastewater disposal basin, be connected with the water inlet on the one-level precipitation tank lateral wall, be connected with the outlet on the tertiary wastewater disposal basin lateral wall, through first pipe connection between one-level precipitation tank and the second grade precipitation tank, through a plurality of second pipe connection between second grade precipitation tank and the tertiary wastewater disposal basin, the lateral wall upper portion at one-level precipitation tank and second grade precipitation tank is seted up to first pipeline, water inlet and first pipeline setting are on the relative lateral wall of one-level precipitation tank, be provided with the settlement chamber in the one-level precipitation tank, the bottom surface of settlement chamber sets up to be the shape that the echelonment risees gradually to first.
By adopting the scheme, the industrial wastewater is discharged into the primary sedimentation tank through the water inlet, in the primary sedimentation tank, the precipitate in the wastewater is gathered at the bottom of the sedimentation chamber, and the precipitate sinks below the water inlet as much as possible due to the gradually rising stepped structure at the bottom of the sedimentation chamber, so that the condition that the precipitate flows into the secondary sedimentation tank along with the water flow is avoided as much as possible; then the sewage enters a secondary sedimentation tank and a tertiary wastewater tank through a first pipeline and a second pipeline in sequence, and the filtration of scum and oil stains and the flocculation of suspended matters in water are finished in the three sedimentation tanks respectively; different from only carry out the spaced effluent water sump through the fender to the precipitation tank in the past, the utility model discloses an industrial waste water precipitation tank utilizes the pipeline to separate into independent individuality with the precipitation tank of different functions, has both helped the sediment and the filtration of waste water, can make things convenient for each precipitation tank of staff's clean maintenance again.
Preferably, the front end of the first pipeline is provided with a filter screen, and the filter screen covers the opening of the first pipeline.
Preferably, the filter screen is integrally connected to the side wall of the settling chamber close to the first pipeline port.
By adopting the scheme, the filter screen integrally connected to the sedimentation cavity assists the sedimentation cavity to prevent sediment from flowing into the secondary sedimentation tank along with wastewater.
Preferably, a sewage pump is arranged at the bottom of the primary sedimentation tank and close to the water inlet, an inlet connecting pipe of the sewage pump is in through connection with the sedimentation cavity of the primary sedimentation tank, and an outlet connecting pipe is in through connection with the discharge tank.
By adopting the scheme, the sediment accumulated at the bottom of the sedimentation cavity in the primary sedimentation tank is pumped into the discharge tank by the sewage pump, and is uniformly treated in the discharge tank.
Preferably, the first-stage precipitation tank is provided with a lifting device, the lifting device comprises a driving assembly fixed on the side wall of the first-stage precipitation tank and a lifting assembly fixedly connected with the driving assembly, and the lifting assembly is fixed with the side wall of the sedimentation chamber.
Preferably, be fixed with the support frame on the one-level precipitation tank lateral wall, be connected with the lead screw through the bearing rotation in the support frame, the one end of lead screw is connected with the driving motor who fixes on the one-level precipitation tank lateral wall, and the lead screw is equipped with screw thread in opposite directions to the centre from controlling both ends, respectively rotates on the left and right sides screw thread of lead screw to be connected with a slider, and the articulated lifting rod that is connected with on the slider, the other end of lifting rod articulates on subsiding the chamber lateral wall.
Adopt above-mentioned scheme, after handling a certain amount of waste water, stop to the waste water of discharging in the waste water precipitation tank, two sliders of hoisting device are static at the position that the one-level precipitation tank is close to the both sides lateral wall this moment, start driving motor, driving motor drives the lead screw and rotates, and the lead screw drives two sliders and removes to the centre, and then drives the lifting bar upper end and remove to the centre along with the slider, and the lifting bar lower extreme drives the settling chamber rebound, and the staff of being convenient for washes the settling chamber inner wall.
Preferably, the settling chamber is made of corrosion resistant material polytetrafluoroethylene.
Preferably, a plurality of second pipelines are horizontally arranged at the middle lower part of the side wall of the secondary sedimentation tank.
Preferably, filter plates are arranged in the first pipeline port and the second pipeline port in the secondary sedimentation tank, and the mesh number of the filter plates is larger than that of the filter screens.
Preferably, the bottom of the secondary settling tank is provided with a horizontal collecting tank which is integrally fixed at the bottom of the filter plate and close to the first pipeline port.
By adopting the scheme, the filter screen can further filter out the precipitated impurities entering the secondary precipitation tank; the horizontal collecting tank is convenient for collecting and cleaning the precipitated impurities.
The utility model has the advantages that:
(1) the utility model discloses a setting of the pipeline position between each grade of precipitation tank makes industrial waste water accomplish the filtration that has impurity sediment, dross and greasy dirt respectively in three precipitation tank and the flocculation of aquatic suspended solid: the first pipeline is arranged above the side wall of the precipitation tank, so that the first-stage precipitation tank accumulates precipitates in the wastewater as much as possible to improve the recovery utilization rate of the precipitates in the wastewater; the second pipeline is arranged below the side wall of the precipitation tank, so that scum and oil stains are filtered out of the secondary precipitation tank.
(2) The utility model discloses utilize the pipeline to separate into independent individuality with the precipitation tank of different functions, both helped the sediment and the filtration of waste water, can make things convenient for each precipitation tank of staff's clean maintenance again.
(3) The utility model discloses hoisting device's application can assist the staff to clear up the settlement chamber.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a left view of the industrial wastewater settling tank of the present invention;
FIG. 2 is a schematic view of the whole industrial wastewater settling tank of the present invention;
FIG. 3 is a schematic connection diagram of the sewage pump of the industrial wastewater sedimentation tank of the present invention;
fig. 4 is a schematic view of the working state of the lifting device of the present invention;
figure 5 is the utility model discloses the inside subassembly schematic diagram of second grade precipitation tank.
In the figure: 1 one-level precipitation tank, 11 sedimentation chambers, 12 filter screens, 13 support frames, 14 lead screws, 15 driving motors, 16 sliders, 17 lifting rods, 2 second-level precipitation tanks, 21 filter plates, 22 horizontal collecting tanks, 3 third-level wastewater tanks, 31 material supplementing boxes, 32 stirrers, 4 discharge tanks, 41 sewage pumps, 411 inlet connecting pipes, 412 outlet connecting pipes, 5 water inlets, 6 first pipelines, 7 second pipelines and 8 water outlets.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the functions of the invention easy to understand, the invention is further explained by combining the specific embodiments.
Example 1
As shown in fig. 1, the industrial wastewater precipitation tank comprises a primary precipitation tank 1, a secondary precipitation tank 2, and tertiary wastewater tanks 3 and 4, wherein a water inlet 5 is connected to the side wall of the primary precipitation tank 1, a water outlet 8 is connected to the side wall of the tertiary wastewater tank 3, the primary precipitation tank 1 is connected with the secondary precipitation tank 2 through a first pipeline 6, and the secondary precipitation tank 2 is connected with the tertiary wastewater tank 3 through a plurality of second pipelines 7; the first pipeline 6 is arranged at the upper parts of the side walls of the primary sedimentation tank 1 and the secondary sedimentation tank 2.
Combine fig. 2, be provided with the subside chamber 11 of being made by corrosion resistant material polytetrafluoroethylene in the one-level precipitation tank 1, water inlet 5 and first pipeline 6 are established respectively on the relative lateral wall of one-level precipitation tank 1, the bottom surface of subside chamber 11 sets up to be the shape that the echelonment risees gradually by water inlet 5 to first pipeline 6, combine fig. 3 again, the position that one-level precipitation tank 1 bottom is close to water inlet 5 is equipped with dredge pump 41, the subside chamber 11 through connection of import takeover 411 and one-level precipitation tank 1 of dredge pump 41, it has discharge tank 4 to export takeover 412 through connection, first pipeline 6 front end is provided with filter screen 12 in one-level precipitation tank 1, filter screen 12 integral connection just covers first pipeline 6 mouth on subside chamber 11 is close to the lateral wall of first pipeline 6 mouth.
As shown in fig. 3, a lifting device is arranged on the first-stage precipitation tank 1, the lifting device comprises a support frame 13 fixed on the side wall of the first-stage precipitation tank 1, a lead screw 14 is rotatably connected in the support frame 13 through a bearing, one end of the lead screw 14 is connected with a driving motor 15 fixed on the side wall of the first-stage precipitation tank 1, opposite threads are arranged from the left end to the right end of the lead screw 14, a slider 16 is rotatably connected on the threads on the left side and the right side of the lead screw 14, a lifting rod 17 is hinged on the slider 16, and the other end of the lifting rod 17 is hinged.
With reference to fig. 4, a plurality of second pipelines 7 are horizontally arranged at the lower middle position of the side wall of the second-stage precipitation tank 2, a filter plate 21 is arranged between the first pipeline 6 port and the second pipeline 7 port in the second-stage precipitation tank 2, the mesh number of the filter plate 21 is larger than that of the filter screen 12, and the bottom of the second-stage precipitation tank 2 is provided with a horizontal collecting groove 22 which is integrally fixed at the bottom of the filter plate 21 and is adjacent to the first pipeline 6 port.
Referring to fig. 2, a supplement box 31 and a stirrer 32 are provided in the tertiary wastewater tank 3, an organic polymeric flocculant capable of diffusing into water is added in the supplement box 31, and the stirrer 32 uniformly distributes the flocculant in water.
To sum up, the utility model discloses a theory of operation and operation process: industrial wastewater is discharged into a primary sedimentation tank 1 through a water inlet 5, precipitates in the wastewater are gathered at the bottom of a sedimentation cavity 11 in the primary sedimentation tank 1, the precipitates are enabled to sink below the water inlet 5 as much as possible due to a gradually rising ladder-shaped structure, a filter screen 12 integrally connected to the sedimentation cavity 11 assists the sedimentation cavity 11 to prevent the precipitates from flowing into a secondary sedimentation tank 2 along with the wastewater, the precipitated industrial wastewater enters the secondary sedimentation tank 2 through a first pipeline 6 to filter scum and oil stains, because the plurality of second pipelines 7 are horizontally arranged below the side wall of the secondary sedimentation tank 2, scum and oil stains floating on the surface of the wastewater can not enter the second pipelines 7, therefore, the second-stage sedimentation tank 2 can filter floating slag and oil stains in the industrial wastewater, and finally, the organic polymeric flocculant is added into the feed supplement box 31 of the third-stage wastewater tank 3 and stirred to finally treat suspended matters remained in the wastewater; after a certain amount of waste water is handled, stop to the waste water of discharging in the waste water precipitation tank, two sliders 16 of hoisting device are static at the position that one-level precipitation tank 1 is close to the both sides lateral wall this moment, start driving motor 15, driving motor 15 drives lead screw 14 and rotates, lead screw 14 drives two sliders 16 and removes to the centre, and then drive lifting rod 17 upper end and remove to the centre along with slider 16, lifting rod 17 lower extreme drives sedimentation chamber 11 and moves upwards, the staff's of being convenient for clearance washes sedimentation chamber 11 inner wall.
Having shown and described the basic principles and essential features of the invention and its advantages, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. An industrial wastewater precipitation tank comprises a primary precipitation tank (1), a secondary precipitation tank (2) and a tertiary wastewater tank (3), wherein the side wall of the primary precipitation tank (1) is connected with a water inlet (5), the side wall of the tertiary wastewater tank (3) is connected with a water outlet (8), the primary precipitation tank (1) and the secondary precipitation tank (2) are connected through a first pipeline (6), the secondary precipitation tank (2) and the tertiary wastewater tank (3) are connected through a plurality of second pipelines (7), the device is characterized in that the first pipeline (6) is arranged on the upper portions of the side walls of the first-stage precipitation tank (1) and the second-stage precipitation tank (2), the water inlet (5) and the first pipeline (6) are arranged on the opposite side walls of the first-stage precipitation tank (1), a sedimentation cavity (11) is arranged in the first-stage precipitation tank (1), and the bottom surface of the sedimentation cavity (11) is arranged to be in a shape that the water inlet (5) and the first pipeline (6) are stepped and gradually raised.
2. The industrial wastewater settling tank as claimed in claim 1, wherein a filter screen (12) is provided at the front end of the first pipe (6), and the filter screen (12) covers the opening of the first pipe (6).
3. An industrial wastewater settler according to claim 2, characterized in that the filter screen (12) is integrally connected to the side wall of the settling chamber (11) near the mouth of the first conduit (6).
4. The industrial wastewater settling tank as claimed in claim 3, wherein a sewage pump (41) is arranged at the bottom of the primary settling tank (1) near the water inlet (5), an inlet connecting pipe (411) of the sewage pump (41) is connected with the settling chamber (11) of the primary settling tank (1) in a penetrating way, and an outlet connecting pipe (412) is connected with the discharge tank (4) in a penetrating way.
5. The industrial wastewater settling tank as claimed in claim 4, wherein the primary settling tank (1) is provided with a lifting device, the lifting device comprises a driving component fixed on the side wall of the primary settling tank (1) and a lifting component fixedly connected with the driving component, and the lifting component is fixed with the side wall of the settling chamber (11).
6. The industrial wastewater settling tank as claimed in claim 5, characterized in that a support frame (13) is fixed on the side wall of the primary settling tank (1), a lead screw (14) is rotatably connected in the support frame (13) through a bearing, one end of the lead screw (14) is connected with a driving motor (15) fixed on the side wall of the primary settling tank (1), the lead screw (14) is provided with opposite threads from the left end and the right end to the middle, a slider (16) is rotatably connected on each of the threads on the left side and the right side of the lead screw (14), a lifting rod (17) is hinged on the slider (16), and the other end of the lifting rod (17) is hinged on the side wall of the settling chamber (11).
7. An industrial wastewater settler according to claim 6, characterized in that the settling chamber (11) is made of anticorrosive material polytetrafluoroethylene.
8. An industrial wastewater settler according to claim 1, characterized in that the second pipes (7) are horizontally opened at a lower middle position in the side wall of the secondary settler (2).
9. The industrial wastewater settling tank as claimed in claim 8, wherein the openings of the first pipeline (6) and the second pipeline (7) in the secondary settling tank (2) are internally provided with filter plates (21), and the mesh number of the filter plates (21) is larger than that of the filter screen (12).
10. An industrial wastewater settler according to claim 9, characterized in that the secondary settler (2) is provided at the bottom with a horizontal collection trough (22), the horizontal collection trough (22) being integrally fixed to the bottom of the filter plate (21) and being adjacent to the mouth of the first pipe (6).
CN202020268432.1U 2020-03-06 2020-03-06 Industrial wastewater settling tank Active CN212127658U (en)

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CN202020268432.1U CN212127658U (en) 2020-03-06 2020-03-06 Industrial wastewater settling tank

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Application Number Priority Date Filing Date Title
CN202020268432.1U CN212127658U (en) 2020-03-06 2020-03-06 Industrial wastewater settling tank

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115536177A (en) * 2022-10-12 2022-12-30 扬州市天龙环保设备有限公司 Environment-friendly urban sewage treatment device and method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115536177A (en) * 2022-10-12 2022-12-30 扬州市天龙环保设备有限公司 Environment-friendly urban sewage treatment device and method thereof

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