CN214232902U - Sewage sand setting device and sewage purification system - Google Patents
Sewage sand setting device and sewage purification system Download PDFInfo
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- CN214232902U CN214232902U CN202023130086.XU CN202023130086U CN214232902U CN 214232902 U CN214232902 U CN 214232902U CN 202023130086 U CN202023130086 U CN 202023130086U CN 214232902 U CN214232902 U CN 214232902U
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Abstract
The utility model relates to a sewage sand setting device and sewage purification system, include: the side wall of the grit chamber is provided with a sewage inlet, the sewage inlet is used for flowing a sand-water mixed medium into the grit chamber, the bottom of the grit chamber is provided with a sand discharge port, and the sand discharge port is used for discharging settled silt out of the grit chamber; the washing and dredging device comprises an installation frame and a plurality of high-pressure water spray heads, the high-pressure water spray heads are arranged on the installation frame at intervals and are circumferentially distributed around the sand discharge port, and the included angles formed by the water jet of each high-pressure water spray head and the axis of the sand discharge port are different in size; and the stirring dredging device is movably arranged on the side wall of the grit chamber and can stir and loosen the silt blocked at the sand discharge port. With the help of the cooperation of washing pull throughs and stirring pull throughs, can reach the effect of accelerating the sand discharge rapidly and effectually dredge the silt particle that the sand discharge mouth blockked up, prevent that the desilting basin from blockking up, guarantee water purification plant normal operating.
Description
Technical Field
The utility model relates to a sewage purification treatment technical field especially relates to a sewage sand setting device and sewage purification system.
Background
Water purification plants are used for purifying domestic or production sewage so as to supply clean tap water to people for recycling. The sewage is inevitably mixed with the silt in the processes of migration, flowing and gathering. And if the silt in the sewage is not removed by settlement separation in advance, the operation of subsequent treatment equipment can be influenced, and the most important influences are machine pump abrasion, pipe network blockage, interference and even destruction of biochemical treatment process and the like. Generally, the grit chamber is mainly used for removing sand grains with the grain size of more than 0.2mm and the density of more than 2.65 t/cubic meter in sewage so as to protect pipelines, valves and other facilities from abrasion and blockage. The working principle is that on the basis of gravity separation, inorganic particles with large specific gravity can automatically sink and organic suspended particles can flow away along with water flow by controlling the inflow velocity of the grit chamber.
However, for most water purification plants at present, sand settling is generally carried out by using a sand-water separator circulation system with a grit chamber, and the sand is sucked every hour for 15 minutes. But the problems of sand discharge pipeline blockage easily occur due to the influences of factors such as insufficient suction, small pipeline diameter, large sand water treatment capacity and the like, so that sand-water separation work cannot be normally and effectively carried out, and the normal production operation of a water purification plant is seriously influenced.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a sewage sand setting device and sewage purification system, aim at solving prior art silt particle and block up the sand discharge mouth, lead to the problem that sand-water separation work can't normally go on.
On the one hand, this application provides a sewage sand setting device, it includes:
the side wall of the grit chamber is provided with a sewage inlet, the sewage inlet is used for flowing a sand-water mixed medium into the grit chamber, the bottom of the grit chamber is provided with a sand discharge port, and the sand discharge port is used for discharging settled silt out of the grit chamber;
the washing and dredging device comprises a mounting frame and a plurality of high-pressure water nozzles, the high-pressure water nozzles are arranged on the mounting frame at intervals and are circumferentially distributed around the sand discharge port, and the included angles formed by the water jet of each high-pressure water nozzle and the axis of the sand discharge port are different in size; and
and the stirring dredging device is movably arranged on the side wall of the grit chamber and can stir and loosen the silt blocked at the sand discharge port.
When the sewage sand settling device works, the sand-water mixed medium continuously flows into the sand basin from the sewage inlet, and the sand-water mixed medium flows in the sand basin, so that the silt is automatically settled downwards due to the large weight and is discharged from the sand discharge port at the bottom of the sand basin. However, when the flow rate of the sand-water mixed medium is large, the wet sand has certain viscosity, so that the settled sand is too much and cannot be discharged from the sand discharge port in time, and the sand is accumulated continuously to block the sand discharge port. At the moment, the washing and dredging device is started, a plurality of high-pressure water spray heads which are arranged on the mounting frame and are distributed at intervals in the circumferential direction can spray high-speed water jet towards the silt at the position of the sand discharge port at the same time, and because included angles formed by the high-pressure water spray heads and the axis of the sand discharge port are different in size, different high-speed water jet streams form multi-point impact action on the silt, and the impact strength of each point can be overlapped, so that the accumulated silt can be scattered to play a role in dredging; meanwhile, the stirring dredging device is started, and the stirring dredging device synchronously stirs the mud and sand accumulated at the sand discharge port, so that the mud and sand are stirred and loosened. Therefore, the blocked mud and sand can flow again and be discharged from the sand discharge port normally. To summer up, with the help of the cooperation of washing pull throughs and stirring pull throughs, can reach the effect of accelerating the sand discharge rapidly and the effectual silt particle mediation that blocks up the sand discharge mouth, prevent that the grit chamber from appearing blockking up, guarantee water purification plant normal operating.
In one embodiment, the axis of the sewage inlet is staggered with the axis of the grit chamber, so that the sand-water mixed medium flows along an annular path in the grit chamber.
In one embodiment, the side wall of the grit chamber is further provided with a water outlet, the water outlet and the sewage inlet are distributed along the circumferential direction, and the water outlet is positioned at the downstream of the sewage inlet along the flowing direction of the sewage in the grit chamber.
In one embodiment, a filter screen is installed at the water discharge opening.
In one embodiment, the stirring dredging device comprises a walking trolley, a supporting arm and a stirring blade, wherein the walking trolley is movably arranged on the side wall of the grit chamber and walks around the sand discharge port, the supporting arm is arranged on the walking trolley, and the stirring blade is arranged on the supporting arm and can stir and loosen the sand blocked at the sand discharge port.
In one embodiment, the stirring blade includes a driver, a first driving arm connected to the first driving shaft of the driver, a second driving arm connected to the second driving shaft of the driver, a first blade connected to the first driving arm, and a second blade connected to the second driving arm, the first blade and the second blade being capable of moving in a staggered manner, and the first blade and the second blade being capable of moving closer to or farther from the sand discharge opening.
In one embodiment, the first blade and the second blade are both provided with a compressed gas tank, the compressed gas tank is connected with a gas pipe, and the gas pipe is connected with an air nozzle.
In one embodiment, the churning pull through further comprises a vibration generator disposed on the support arm; the sewage sand setting device further comprises a rotating motor, a rotating driving shaft and rotating blades, wherein the rotating motor is arranged on the sand basin, the rotating driving shaft is in driving connection with the rotating motor, and the rotating blades are connected with the rotating driving shaft and close to the sand discharge port.
In one embodiment, the sewage sand settling device further comprises a sand-water concentration sensor, a water driver and a controller, wherein the sand-water concentration sensor is arranged on the side wall of the grit chamber and close to the sand discharge port, and is electrically connected with the controller; the water driver is electrically connected with the controller, and the water driver is connected with the high-pressure water spray head through a pipeline.
In addition, this application still provides a sewage purification system, and it includes as above sewage sand setting device.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a plan view of a portion of a sewage purification system according to an embodiment of the present invention;
fig. 2 is a sectional structure view of the sewage sand settling apparatus of fig. 1.
Description of reference numerals:
10. a grit chamber; 11. a sewage inlet; 12. a sand discharge port; 13. a water outlet; 20. flushing the dredging device; 21. a mounting frame; 22. a high pressure water jet; 30. a stirring dredging device; 31. a walking trolley; 32. a support arm; 33. agitating the blades; 331. a driver; 332. a first drive arm; 333. a second drive arm; 334. a first blade; 335. a second blade; 40. a rotating electric machine; 50. a rotary drive shaft; 60. a rotating blade; 70. a sand discharge pipe; 80. a sand pump.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
The application provides a sewage purification system, it is used for carrying out filtration purification treatment to the sewage that life, production and processing produced, makes sewage become the clean water to use the clean water for the user again, reach water resource cyclic utilization's effect.
The sewage is inevitably mixed into the silt in the processes of migration, flowing and gathering. If the silt in the sewage is not removed by sedimentation separation in advance, the operation of subsequent treatment equipment is influenced, for example, the machine pump is seriously abraded and even scrapped due to the large-particle silt; or the silt can cause the blockage of a pipe network; or the silt can interfere with and even destroy the biochemical treatment process. Based on this, can set up sewage sand setting device among the sewage purification system for realize getting rid of the silt particle separation in the sewage, in order to avoid above-mentioned problem to take place.
As shown in fig. 1, generally, two or more sewage sand settling devices are installed in a sewage purification system at the same time, and when sewage flows through each sewage sand settling device one by one, silt in sewage can be filtered step by step (in multiple stages) to ensure that the finally flowing sewage is relatively cleaner. For example, the present embodiment illustrates a scheme in which four sewage sand settling devices are arranged approximately in a rectangular shape.
As shown in fig. 2, a sand settling device for sewage is shown for an embodiment of the present application, which includes: a grit chamber 10, a flushing pull through 20 and an agitation pull through 30. The grit chamber 10 is generally constructed buried underground to avoid occupying ground space. As shown in the drawing, the vertical section of the grit chamber 10 is formed in a funnel-shaped structure, that is, the upper end portion of the grit chamber 10 is wide in size and gradually narrows down, which is more advantageous for settling and discharging the silt.
The side wall of the grit chamber 10 is provided with a sewage inlet 11, the sewage inlet 11 is used for flowing sand-water mixed media into the grit chamber 10, the bottom of the grit chamber 10 is provided with a sand discharge port 12, and the sand discharge port 12 is used for discharging settled silt out of the grit chamber 10.
In this embodiment, the axis of the sewage inlet 11 and the axis of the grit chamber 10 are staggered so that the sand-water mixed medium flows along a circular path in the grit chamber 10. Through so setting up, can make the sand and water mixed medium (being sewage) that flows into grit chamber 10 flow longer route in grit chamber 10, make the silt particle have enough long time to carry out more abundant settlement, help the silt particle clean separation in the sewage.
Referring to fig. 2, in addition, a water outlet 13 is further formed in the side wall of the grit chamber 10, the water outlet 13 and the sewage inlet 11 are circumferentially distributed, and the water outlet 13 is located downstream of the sewage inlet 11 along the flowing direction of the sewage in the grit chamber 10. Therefore, after the sewage circularly flows for a circle in the grit chamber 10, the slightly clean sewage after the silt is removed by sedimentation can be quickly discharged from the water outlet 13 downstream, so that the impact and interference caused by the extrusion of the space of the grit chamber 10 to the subsequent silt mixed medium newly flowing into the grit chamber 10 are avoided, and the sewage treatment capacity is improved.
Further, a filter screen is installed at the water outlet 13. The filter screen can separate the complete residual silt particle of non-sand setting separation in the sewage to avoid flowing out grit chamber 10, cause wearing and tearing to the pump, cause the jam to the pipe network. It will be appreciated that the screen is a mesh sheet having a plurality of mesh openings arranged in an array. According to actual needs, one filter screen can be arranged, or two or more filter screens can be arranged in sequence in a stacked mode along the water flow direction.
Referring to fig. 2, in addition, in order to further accelerate the discharge of the silt from the sand discharge port 12, the sand discharge port 12 is further connected to a sand discharge pipe 70, and a sand pump 80 is connected to the sand discharge pipe 70. When the sand pump 80 works, suction force can be generated in the sand discharge pipe 70, so that the sand and mud can be accelerated to pass through the sand discharge port 12, and the blocking probability is reduced.
With reference to fig. 2, in the present embodiment, the flushing and dredging device 20 includes an installation frame 21 and a plurality of high pressure water nozzles 22, the high pressure water nozzles 22 are disposed on the installation frame 21 at intervals and are circumferentially distributed around the sand discharge opening 12, and an included angle formed by a water jet of each high pressure water nozzle 22 and an axis of the sand discharge opening 12 is different in size; the stirring dredging device 30 is movably arranged on the side wall of the grit chamber 10 and can stir and loosen the silt blocked at the sand discharge port 12.
In summary, the implementation of the technical solution of the present embodiment has the following beneficial effects: when the sewage sand settling device works, the sand-water mixed medium continuously flows into the sand basin 10 from the sewage inlet 11, and in the flowing process of the sand-water mixed medium in the sand basin 10, the silt is automatically settled downwards due to the large weight and is discharged from the sand discharge port 12 at the bottom of the sand basin 10. However, when the flow rate of the sand-water mixed medium is large, the wet sand has a certain viscosity, so that the settled sand is too much and cannot be discharged from the sand discharge port 12 in time, and the sand is accumulated continuously to block the sand discharge port 12. At this time, the washing and dredging device 20 is started, the plurality of high-pressure water spray heads 22 which are arranged on the mounting frame 21 and distributed at intervals in the circumferential direction spray high-speed water jet towards the silt at the position of the silt discharge port 12 at the same time, and the high-speed water jet has an impact effect on the silt, so that the accumulated silt can be scattered to achieve a dredging effect; meanwhile, the stirring dredging device 30 is started, and the stirring dredging device 30 synchronously stirs the silt accumulated at the sand discharge port 12, so that the silt is stirred and loosened. In this way, the blocked sand can flow again and be discharged from the sand outlet 12 normally. To sum up, with the help of the cooperation of washing pull throughs 20 and stirring pull throughs 30, can be rapidly and effectually dredge the silt particle that sediment outflow 12 blockked up, reach the effect of accelerating the sediment outflow, prevent that the grit chamber 10 from appearing blockking up, guarantee water purification plant normal operating.
With reference to fig. 2, on the basis of the above embodiment, the stirring and dredging device 30 includes a walking trolley 31, a supporting arm 32 and a stirring blade 33, the walking trolley 31 is movably disposed on the sidewall of the grit chamber 10 and walks around the sand discharge port 12, the supporting arm 32 is disposed on the walking trolley 31, and the stirring blade 33 is disposed on the supporting arm 32 and can stir and loosen the sand blocked at the sand discharge port 12.
When the sand discharge port 12 is blocked by sand, the walking trolley 31 receives an instruction sent by the controller and starts to walk around the sand discharge port 12 along the side wall of the grit chamber 10 in the annular direction, the supporting arm 32 stretches the stirring blades 33 into the sand blocked at the sand discharge port 12, and the stirring blades 33 stir the sand in the annular direction along with the continuous movement of the walking trolley 31, so that the static state of the blocked sand can be broken, the sand is loosened and dispersed, and finally the sand flows again under the water flow drainage effect and passes through the sand discharge port 12, so that the dredging effect is formed.
With continued reference to fig. 2, further, the stirring blade 33 includes a driver 331, a first driving arm 332, a second driving arm 333, a first blade 334 and a second blade 335, the first driving arm 332 is connected to the first driving shaft of the driver 331, the second driving arm 333 is connected to the second driving shaft of the driver 331, the first blade 334 is connected to the first driving arm 332, the second blade 335 is connected to the second driving arm 333, the first blade 334 and the second blade 335 are capable of moving alternately with each other, and the first blade 334 and the second blade 335 are capable of moving closer to or farther from the sand discharge opening 12.
The driver 331 can drive the first driving arm 332 and the second driving arm 333 to move synchronously, so that the first blade 334 and the second blade 335 move in a staggered manner, at the moment, the first blade 334 and the second blade 335 can be sequentially and repeatedly inserted into the sand discharge port 12 in turn and then exit from the sand discharge port 12, so that loose action is generated on silt, the static stacking and condensation state of silt can be broken, the silt can rapidly flow through the sand discharge port 12 again, and the dredging effect is achieved.
Further, the first blade 334 and the second blade 335 are both provided with a compressed air tank (not shown in the figure), the compressed air tank is connected with an air pipe, and the air pipe is connected with an air nozzle. When first blade 334 and second blade 335 form the action of taking out and inserting to the silt particle, compressed gas jar passes through the gas-supply pipe to air nozzle gas transmission, the air nozzle spouts high-pressure draught to the silt particle of jam, because the air current is in the bottom of the pool position of grit chamber 10, the water pressure that receives is big, consequently, the bubble that the air current of spouting smugglied secretly can take place to break in succession, produce the air current impact force when the bubble breaks, this kind of air current impact action can further promote accumulational silt particle with higher speed and begin random motion, just no longer extrudees each other between the silt particle and piles up, and can follow rivers and flow through row's sand mouth 12, form the effect of row's sand mouth 12 mediation.
Further, in addition to any of the above embodiments, the churning and dredge 30 further comprises a vibration generator (not shown), which is disposed on the supporting arm 32. The vibration generator may generate high frequency vibrations to the support arm 32, and the vibrations are transmitted to the first blade 334 and the second blade 335, which may also vibrate the debris, thereby accelerating the debris to move again and finally flow away from the debris outlet 12. Alternatively, the vibration generator may be, but is not limited to, a vibration motor.
Still further referring to fig. 2, the sewage sand settling device further includes a rotating motor 40, a rotating driving shaft 50 and a rotating blade 60, wherein the rotating motor 40 is disposed on the grit chamber 10, the rotating driving shaft 50 is drivingly connected to the rotating motor 40, and the rotating blade 60 is connected to the rotating driving shaft 50 and disposed near the sand discharge port 12. After sewage flows into the grit chamber 10, the rotating motor 40 drives the rotating driving shaft 50 to rotate, the rotating blades 60 synchronously rotate along with the rotating driving shaft 50, the rotating blades 60 stir the sewage in the grit chamber 10 to flow back, the flowing time and the flowing path of the sewage in the grit chamber 10 are increased, the settling time of silt can be prolonged, and the silt can be fully settled.
In addition, on the basis of any one of the above embodiments, the sewage sand settling device further comprises a sand water concentration sensor, a water driver and a controller, wherein the sand water concentration sensor is arranged on the side wall of the grit chamber 10 and close to the sand discharge port 12, and the sand water concentration sensor is electrically connected with the controller; the water driver is electrically connected with the controller, and the water driver is connected with the high-pressure water spray head 22 through a pipeline.
Generally speaking, because the silt particle has real-time mobility in the sewage, consequently there is uneven distribution's characteristics in the sewage for silt particle, can directly cause the silt particle content that discharges into the sewage in grit chamber 10 in different time quantums also to be different like this, and then causes the settlement volume of silt particle also different. The sand water concentration sensor can feed back a signal controller in a time period with less sand content according to the measurement of the sand concentration at the sand discharge port 12, and the controller controls the water driver to reduce the working power, so that the high-pressure water nozzle 22 can reduce the injection water quantity and pressure, reduce the power consumption and improve the economical efficiency. On the contrary, if the sand concentration sensor detects that the sand concentration value at the sand discharge port 12 is higher, the controller controls the larger operation power of the water driver, improves the water jet pressure and flow jetted by the high-pressure water nozzle 22, enhances the scouring effect on settled sand, accelerates the sand to pass through the sand discharge port 12, and avoids the occurrence of the blockage problem.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
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 based on the orientation or positional relationship shown in 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; can be mechanically or electrically connected; 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 the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Claims (10)
1. The utility model provides a sewage sand setting device which characterized in that includes:
the side wall of the grit chamber is provided with a sewage inlet, the sewage inlet is used for flowing a sand-water mixed medium into the grit chamber, the bottom of the grit chamber is provided with a sand discharge port, and the sand discharge port is used for discharging settled silt out of the grit chamber;
the washing and dredging device comprises a mounting frame and a plurality of high-pressure water nozzles, the high-pressure water nozzles are arranged on the mounting frame at intervals and are circumferentially distributed around the sand discharge port, and the included angles formed by the water jet of each high-pressure water nozzle and the axis of the sand discharge port are different in size; and
and the stirring dredging device is movably arranged on the side wall of the grit chamber and can stir and loosen the silt blocked at the sand discharge port.
2. The sewage sand settling device of claim 1, wherein the axis of the sewage inlet is staggered with respect to the axis of the grit chamber so that the sand-water mixed media flows in an annular path in the grit chamber.
3. The sewage sand settling device of claim 1, wherein a water outlet is further formed in the side wall of the sand settling tank, the water outlet and the sewage inlet are distributed along the circumferential direction, and the water outlet is located at the downstream of the sewage inlet along the flowing direction of the sewage in the sand settling tank.
4. The sewage sand settling device of claim 3, wherein a strainer is installed at the drain port.
5. The sewage sand settling device of claim 1, wherein the stirring dredging device comprises a walking trolley, a supporting arm and a stirring blade, the walking trolley is movably arranged on the side wall of the sand settling tank and walks around the sand discharge port, the supporting arm is arranged on the walking trolley, and the stirring blade is arranged on the supporting arm and can stir and loosen the sand blocked at the sand discharge port.
6. The sewage grit device of claim 5, wherein the agitating blade comprises a driver, a first driving arm connected to the first driving shaft of the driver, a second driving arm connected to the second driving shaft of the driver, a first blade connected to the first driving arm, and a second blade connected to the second driving arm, the first and second blades being movable in a staggered manner with respect to each other, and the first and second blades being movable toward and away from the sand discharge port.
7. The sewage sand settling device according to claim 6, wherein the first blade and the second blade are both provided with a compressed gas tank, the compressed gas tank is connected with a gas pipe, and the gas pipe is connected with an air nozzle.
8. The sewage grit apparatus of claim 5, wherein the agitation dredger further comprises a vibration generator provided on the support arm; the sewage sand setting device further comprises a rotating motor, a rotating driving shaft and rotating blades, wherein the rotating motor is arranged on the sand basin, the rotating driving shaft is in driving connection with the rotating motor, and the rotating blades are connected with the rotating driving shaft and close to the sand discharge port.
9. The sewage sand settling device according to any one of claims 1 to 8, further comprising a sand concentration sensor, a water driver and a controller, wherein the sand concentration sensor is arranged on the side wall of the grit chamber and near the sand discharge port, and the sand concentration sensor is electrically connected with the controller; the water driver is electrically connected with the controller, and the water driver is connected with the high-pressure water spray head through a pipeline.
10. A sewage purification system comprising the sewage sand-settling device as set forth in any one of claims 1 to 9.
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| CN202023130086.XU CN214232902U (en) | 2020-12-22 | 2020-12-22 | Sewage sand setting device and sewage purification system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883357A (en) * | 2021-10-14 | 2022-01-04 | 梁俊 | Sewage conveying pipeline |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113883357A (en) * | 2021-10-14 | 2022-01-04 | 梁俊 | Sewage conveying pipeline |
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