CN109555218B - Automatic scum collecting system - Google Patents

Automatic scum collecting system Download PDF

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Publication number
CN109555218B
CN109555218B CN201910059066.0A CN201910059066A CN109555218B CN 109555218 B CN109555218 B CN 109555218B CN 201910059066 A CN201910059066 A CN 201910059066A CN 109555218 B CN109555218 B CN 109555218B
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China
Prior art keywords
inlet
scum
water
well
sewage
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CN201910059066.0A
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CN109555218A (en
Inventor
李习洪
段洪斌
周超
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Wuhan Shengyu Drainage Systems Co Ltd
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Wuhan Shengyu Drainage Systems Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/10Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/10Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • E03F5/101Dedicated additional structures, interposed or parallel to the sewer system
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/10Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • E03F5/105Accessories, e.g. flow regulators or cleaning devices
    • E03F5/107Active flow control devices, i.e. moving during flow regulation
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/14Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Removal Of Floating Material (AREA)

Abstract

The invention discloses an automatic scum collecting system, which is used for collecting scum in a diversion well, wherein the diversion well comprises a diversion well wall and a diversion well cavity formed by surrounding the diversion well wall, a water inlet and a water outlet which are communicated with the diversion well cavity are arranged on the diversion well wall, and the system comprises a scum collecting inlet and a scum collecting channel; the scum collecting inlet is arranged on the flow dividing well wall and is communicated with the inner cavity of the flow dividing well, and the scum collecting channel comprises an inlet end and an outlet end. When the water level rises to the scum collecting inlet, the sewage and the scum floating on the sewage water surface can flow out through the scum collecting channel and are flushed away together with the sewage interception pipe, and the whole process is automatically carried out, so that the structure is simple, and the manufacturing cost and the running cost are greatly reduced.

Description

Automatic scum collecting system
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an automatic scum collecting system.
Background
In the prior art, a diversion well is used for sewage treatment. In the sunny day, domestic sewage is intercepted by the diversion well and enters the sewage treatment plant, natural water is treated by the sewage treatment plant, in the rainy day, the pollutant content in the initial rainwater is relatively high, the initial rainwater is intercepted by the diversion well and enters the sewage treatment plant for treatment, the middle-period rainwater and the later-period rainwater are relatively clean, and the natural water can be directly discharged after being diverted by the diversion well. Domestic sewage and initial rainwater contain a large amount of scum which comprises suspended matters and floating pollutant and are gathered in the diversion well. The slag filter screen is generally arranged in the diversion well, scum in the diversion well is collected through the slag filter screen, and after the slag filter screen is fully collected, the slag filter screen is lifted out of the diversion well through a manual or lifting mechanism, and a new slag filter screen is replaced. The slag scooping mode has the following problems: 1. because of water flow flushing, the slag fishing filter screen is easy to damage or be flushed away; 2. whether the slag fishing filter screen is full or not needs to be checked regularly, if the slag fishing filter screen is full, the slag fishing filter screen is not cleaned in time, a water inlet pipe is easy to be blocked, and flood discharge is affected in stormy weather; 3. the slag fishing filter screen is arranged in the diversion well, the volume of the diversion well is smaller, and a control is not arranged; 4. the slag fishing filter screen is lifted out of the diversion well through a manual or lifting mechanism, and the cleaned garbage needs to be transported and treated again, so that the waste of manpower and material resources is caused, and the operation cost is high.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provide an automatic scum collecting system. The invention can automatically collect the scum in the sewage, has simple structure and greatly reduces the manufacturing cost and the running cost.
The invention provides an automatic scum collecting system, which is used for collecting scum in a diversion well (1), wherein the diversion well (1) comprises a diversion well wall (11) and a diversion well cavity (12) formed by surrounding the diversion well wall (11), and the diversion well wall (11) is provided with a water inlet and a water outlet which are communicated with the diversion well cavity (12), and is characterized in that:
the system comprises a dross collection inlet and a dross collection channel (8);
the scum collecting inlet is arranged on the diversion well wall (11), and is communicated with the inner cavity (12) of the diversion well, and the water inlet height of the scum collecting inlet is higher than the water inlet height of the water inlet;
the scum collecting channel (8) comprises an inlet end and an outlet end, the level of the outlet end is lower than that of the inlet end, and the inlet end is communicated with the scum collecting inlet.
The scum automatic collection system provided by the invention can also have the following characteristics:
the scum in the diversion well enters from the scum collecting inlet and flows out by gravity after passing through the scum collecting channel;
or, the system also comprises a conveying device, the conveying device is arranged in the scum collecting channel, the inlet of the conveying device is communicated with the scum collecting inlet, and scum in the diversion well enters from the scum collecting inlet and is discharged through the conveying device;
or the system also comprises a connecting device (7), wherein the connecting device (7) is communicated with the scum collecting inlet and the scum collecting channel (8), and the connecting device (7) is positioned at the outer side of the diversion well wall (11),
or, the diversion well (1) is internally provided with the highest warning water level which is higher than the horizontal height of the highest water inlet position of the scum collecting inlet.
The scum automatic collection system provided by the invention can also have the following characteristics:
the conveying device is a screw conveyor;
and/or the system further comprises a bilge well, wherein a passage in the bilge well is a scum collecting passage, and an inlet end and an outlet end are arranged on the bilge well.
The scum automatic collection system provided by the invention can also have the following characteristics:
the diverting well wall (11) is also provided with a sewage outlet which is connected with a sewage pipe or a sewage treatment plant or a sewage treatment facility through a sewage interception pipe, wherein the outlet end is communicated with the sewage interception pipe or the sewage treatment plant or the sewage treatment facility, and the water inlet height of the scum collecting inlet is higher than the water inlet height of the sewage outlet.
The scum automatic collection system provided by the invention can also have the following characteristics:
when the sewage interception pipe is not full pipe flow, the scum entering from the scum collecting inlet flows into the sewage interception pipe by gravity;
when the sewage interception pipe is full pipe flow, a conveying device is arranged in the scum collecting channel, and scum entering from a scum collecting inlet enters the sewage interception pipe through the conveying device.
The scum automatic collection system provided by the invention can also have the following characteristics:
the water outlet is connected with the natural water body, and a first hydraulic switch is arranged in front of the water outlet or on a pipeline connected with the water outlet;
or the water outlet is connected with the natural water body, a first hydraulic switch is arranged in front of the water outlet or on a pipeline connected with the water outlet, and a second hydraulic switch is arranged in front of the sewage outlet or on a pipeline connected with the sewage outlet.
The scum automatic collection system provided by the invention can also have the following characteristics:
the first hydraulic switch is one of a gate, a weir gate, a gate valve, an air bag or a pneumatic housekeeping valve;
the second hydraulic switch is one of a gate, a weir gate, a gate valve, an air bag or a pneumatic housekeeping valve.
The scum automatic collection system provided by the invention can also have the following characteristics:
the scum collecting inlet is arranged at the upstream of the first hydraulic switch, and the water inlet height of the scum collecting inlet is lower than the water inlet height of the water outlet;
or, when the first hydraulic switch is positioned at the upstream of the water outlet and the first hydraulic switch overflows water, the scum collecting inlet is arranged at the downstream of the first hydraulic switch, and the water inlet height of the scum collecting inlet is higher than the water inlet height of the water outlet.
The scum automatic collection system provided by the invention can also have the following characteristics:
the system also comprises a monitoring device and a control unit, wherein the monitoring device is used for monitoring the liquid level and/or the water quality in the diversion well (1), and the control unit is used for controlling the opening and closing degree of the hydraulic switch according to the monitoring result of the monitoring device.
The scum automatic collection system provided by the invention can also have the following characteristics:
the system also comprises a baffle plate (6) for intercepting scum, wherein the baffle plate (6) is arranged in the inner cavity (12) of the diversion well and is perpendicular to the water flow direction, and the baffle plate (6) is positioned at the downstream of the scum collecting inlet.
The scum automatic collection system provided by the invention can also have the following characteristics:
the baffle (6) is a fixed baffle, the two sides of the fixed baffle are fixed, the horizontal height of the upper edge of the fixed baffle is higher than the horizontal height of the highest water inlet position of the scum collecting inlet, and the horizontal height of the lower edge of the fixed baffle is lower than the horizontal height of the lowest water inlet position of the scum collecting inlet;
or, the baffle (6) is a floating baffle, the diversion well wall (11) is provided with a pair of clamping grooves perpendicular to the bottom of the diversion well (1), two sides of the floating baffle are respectively positioned in the pair of clamping grooves, and the floating baffle can move up and down in the pair of clamping grooves.
Effects and advantageous effects of the invention
When the water level rises to the scum collecting inlet, the sewage and the scum floating on the sewage water surface can flow out through the scum collecting channel and are flushed away together with the sewage interception pipe, and the whole process is automatically carried out, so that the structure is simple, and the manufacturing cost and the running cost are greatly reduced.
Drawings
FIG. 1 is a schematic diagram showing a front view of an automatic scum collecting system automatically flowing in by gravity according to an embodiment of the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a schematic view showing the construction of an automatic dross collecting system according to an embodiment of the invention, which automatically flows in by means of a conveyor;
fig. 4 is a schematic view of a bilge well;
FIG. 5 is a schematic view of a preferred pinch valve structure one; and
FIG. 6 is an enlarged schematic view of FIG. 5A;
reference numerals: 1-diversion well, 11-diversion well wall, 12-diversion well cavity, 2-inlet tube, 3-dirt interception tube, 4-drain tube, 5-water outlet weir gate, 6-floating baffle, 7-connecting device, 8-scum collecting channel, 9-drain gate, 10-sewage well, 13-conveying device, 14-overflow port, elastic sleeve 210, shell 220, air inlet tube G, pipeline D, and isolation wall J.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings and specific examples.
An automatic scum collecting system is used for collecting scum in a diversion well (1), the diversion well (1) comprises a diversion well wall (11) and a diversion well cavity (12) formed by the diversion well wall (11) in a surrounding mode, the diversion well wall (11) is provided with a water inlet and a water outlet which are communicated with the diversion well cavity (12), and the system comprises a scum collecting inlet and a scum collecting channel (8); the scum collecting inlet is arranged on the diversion well wall (11), and is communicated with the inner cavity (12) of the diversion well, and the water inlet height of the scum collecting inlet is higher than the water inlet height of the water inlet; the scum collecting channel (8) comprises an inlet end and an outlet end, the level of the outlet end is lower than that of the inlet end, and the inlet end is communicated with the scum collecting inlet. The system works for two different shunt well formats:
in the first form, the dirt interception pipe of the diversion well is in a non-full pipe flow, namely, the liquid in the dirt interception pipe is relatively less, when the section of the whole pipeline cannot be filled, the scum above the diversion well can flow in by gravity, and the scum automatic collection system which is automatically flown in by gravity in the first corresponding embodiment is adopted;
in the second mode, the dirt interception pipe of the diversion well is full pipe flow, namely when the section of the whole pipeline is full of a large amount of liquid in the dirt interception pipe, the scum above the diversion well cannot flow in by gravity, and the scum automatic collection system which is automatically flown in by means of the conveying device in the second mode is adopted correspondingly.
The following description will be given respectively.
Embodiment one
Referring to fig. 1 and 2, an embodiment of the present invention provides an automatic scum collecting system that automatically flows in by gravity, for collecting scum in a diverter well 1, where the diverter well 1 includes a diverter well wall 11 and a diverter well cavity 12 formed by surrounding the diverter well wall 11, the diverter well wall 11 is provided with a water inlet and a water outlet that are communicated with the diverter well cavity 12, and the system includes a scum collecting inlet and a scum collecting channel 8; the scum collecting inlet is arranged on the diversion well wall 11 and is communicated with the inner cavity 12 of the diversion well, and the horizontal height of the lowest water inlet position of the scum collecting inlet is higher than that of the highest water inlet position of the water inlet; the scum collecting channel 8 comprises an inlet end and an outlet end, the level of the outlet end is lower than that of the inlet end, and the inlet end is communicated with the scum collecting inlet; wherein, water inlet and outlet communicate respectively has inlet tube 2 and drain pipe 4, and inlet tube 2 and drain pipe 4 all are located the lower half of reposition of redundant personnel wall of a well 11.
In order to control the water level in the diverter well 1, the system of the invention is also provided with a hydraulic switch which controls the water level in the diverter well 1 by changing the water yield of the diverter well 1.
The system of the invention also comprises a monitoring device, a control unit and a baffle 6 for intercepting dross. The monitoring device is used for monitoring the liquid level and/or the water quality in the diversion well 1, and the control unit is used for controlling the opening and closing degree of the hydraulic switch according to the monitoring result of the monitoring device. The baffle 6 is arranged in the inner cavity 12 of the diversion well and is perpendicular to the water flow direction, two sides of the baffle 6 are respectively connected with the diversion well wall 11, and the baffle 6 is positioned between the scum collecting inlet and the water outlet.
Specifically, the hydraulic switch includes a first hydraulic switch for controlling the water output of the drain port.
Example 1
On the basis of the above technical solution, the first hydraulic switch is a telescopic water outlet weir gate 5, as shown in fig. 1 and 2, when it is desired to collect scum in the diverter well 1, the water outlet weir gate 5 protrudes from the bottom of the diverter well 1, and the height of the protruding water outlet weir gate 5 is higher than the highest water outlet position of the water outlet.
In practical applications, the first hydraulic switch may be a gate or a gate valve, where the gate or gate valve is disposed at the drain opening. Preferably a lower open weir gate or a lower open gate, and when the first hydraulic switch is a lower open weir gate or a lower open gate, the scum collection inlet may be disposed downstream of the lower open weir gate or the lower open gate.
Example 2
The diverting well wall 11 is also provided with a sewage outlet which is communicated with the diverting well cavity 12, the sewage outlet is communicated with the diverting well cavity 12 and a sewage treatment plant or a sewage treatment facility through a sewage interception pipe 3, the horizontal height of the lowest water inlet position of the scum collecting inlet is higher than that of the highest water inlet position of the sewage outlet, and the outlet end of the scum collecting channel 8 is connected to the sewage interception pipe 3. The system of the invention also comprises a second hydraulic switch for controlling the water yield of the sewage outlet. The second hydraulic switch is positioned in front of the connection of the outlet end and the sewage interception pipe 3. Specifically, the second hydraulic switch is a drain gate 9, and the drain gate 9 is arranged at the drain.
In practical application, the second hydraulic switch may be any one of a gate, a weir gate, a gate valve, an air bag or a pneumatic housekeeping valve arranged at the sewage outlet. Preferably, the second hydraulic switch is a restrictor gate.
Example 3
The baffle 6 is a fixed baffle, two sides of the fixed baffle are fixedly connected with the diversion well wall 11, the horizontal height of the upper edge of the fixed baffle is higher than the horizontal height of the highest water inlet position of the scum collecting inlet, the horizontal height of the lower edge of the fixed baffle is lower than the horizontal height of the lowest water inlet position of the scum collecting inlet, and the water level in the hydraulic switch control diversion well 1 is always higher than the horizontal height of the lower edge of the fixed baffle.
Example 4
The baffle 6 is a floating baffle, the diversion well wall 11 is provided with a pair of clamping grooves perpendicular to the bottom of the diversion well 1, two sides of the floating baffle are respectively positioned in the pair of clamping grooves, the floating baffle can move up and down in the pair of clamping grooves, the upper end of the floating baffle is exposed out of the water surface, and the lower end of the floating baffle is positioned below the water surface. In practical application, the floating baffle can be of a hollow structure and made of stainless steel. Preferably, the floating shield is made of 316 stainless steel.
Wherein the system of the invention further comprises a connecting device 7, the connecting device 7 is communicated with the scum collecting inlet and the scum collecting channel 8, and the connecting device 7 is positioned on the outer side of the diversion well wall 11. Specifically, the connecting device 7 comprises a frame body, an opening opposite to the scum collecting inlet is arranged on one side of the frame body, which is close to the diversion well wall 11, and an opening connected with the inlet end is arranged at the bottom of the frame body. The water level in the diversion well 1 is not more than the highest warning water level by controlling the water yield of the diversion well 1 through the hydraulic switch.
Referring to fig. 1 and 2, the monitoring result of the monitoring device is transmitted to the control unit, and when the control unit judges that the scum on the sewage surface needs to be collected, the control unit controls the opening of the water outlet weir gate 5, the sewage surface rises, and the baffle 6 continuously intercepts the scum. When the sewage water surface rises to the scum collecting inlet, the sewage and the scum on the sewage water surface flow into the connecting device 7, flow into the sewage interception tube 3 along the scum collecting channel 8, and are discharged to a sewage treatment plant. In the sewage discharging process, the control unit controls the opening and closing degree of the water outlet weir gate 5 and/or the sewage outlet gate 9, and keeps the sewage water surface at the scum collecting inlet, so that scum can be continuously collected. The control unit controls the water outlet weir gate 5 to be closed when judging that the scum collection on the sewage surface is basically clean according to the monitoring result of the monitoring device, the water outlet weir gate 5 is retracted to the bottom of the diversion well 1, and the sewage is discharged from the drain pipe 4. The baffle 6 continues to collect the scum flowing in from the water inlet pipe 2, the monitoring device continuously monitors the liquid level and/or the water quality in the diversion well 1, the result is transmitted to the control unit, and the control unit controls the hydraulic switch according to the monitoring result of the monitoring device, so that the scum is collected in a circulating and automatic mode.
Effects and advantageous effects of the embodiment
(1) According to the embodiment, the scum collecting inlet and the scum collecting channel are formed in the diversion well wall, when the water level rises to the scum collecting inlet, sewage and scum floating on the sewage water surface flow into the scum collecting inlet under the action of the gravity of the water, so that the scum in the sewage is automatically collected, the structure is simple, and the manufacturing cost and the running cost are greatly reduced.
(2) The water level in the diversion well is controlled by changing the water yield of the diversion well through the hydraulic switch. When the scum needs to be collected, the hydraulic switch controls the water level of the diversion well to rise to the scum collecting inlet, and the sewage with the scum flows out along the scum collecting channel. The embodiment can automatically collect the scum in the sewage, has simple structure and greatly reduces the manufacturing cost and the running cost.
(3) The hydraulic switch of the embodiment comprises a first hydraulic switch, and the water outlet quantity of the water outlet can be controlled through the first hydraulic switch, so that the water level in the diversion well is controlled. Simultaneously, the hydraulic switch includes still including the second hydraulic switch, cooperatees through first hydraulic switch and second hydraulic switch, can further accurate control the water level of reposition of redundant personnel well, realizes when collecting the dross, and water level control is in dross collection entrance for the dross of surface of water is continuously discharged through the dross collection entrance.
(4) The embodiment is provided with the baffle, and the baffle can continuously intercept the scum and prevent the scum from being discharged through the water outlet. Wherein the baffle can be a fixed baffle or a floating baffle. When the baffle is fixed baffle, fixed baffle and reposition of redundant personnel wall of a well fixed connection, the water level assurance water level in the hydraulic switch control reposition of redundant personnel well is higher than the level of fixed baffle lower extreme, and the dross is not discharged from the outlet, and fixed baffle can continuously collect the dross. When the baffle is a floating baffle, the floating baffle floats along with the change of the water level, the scum is not discharged from the water outlet, and the floating baffle can continuously collect the scum.
In the above embodiment, the gravity is used to drive the flow to collect the dross, when the dirt interception pipe is full pipe flow, the sundries entering from the overflow port above the diversion well are floaters, and the floaters cannot fall into the dirt interception pipe by gravity: this is because the interior of the sewage interception pipe is filled with water, and the float can float only on the water surface, so that the float cannot flow into the sewage pipe downstream in the sewage interception pipe by itself.
In order to solve the above problems, the inventors creatively set a bilge well on a diverting well, and floats on the diverting well can enter the bilge well from an overflow port, and a screw conveyor is installed in the bilge well, so that:
after entering the sewage well, the floaters in the water are forced to be pushed to the bottom of the sewage well under the spiral conveying of the spiral conveyor, and finally enter the sewage interception pipe along the water flow under the action of the water flow of the sewage interception pipe, so that the problem that the scum cannot be collected by means of gravity flow when the sewage interception pipe is full pipe flow is solved. For this purpose, the following specific embodiment of the second embodiment is proposed.
Second embodiment
Example 5
Referring to fig. 3 and 4, an embodiment of the present invention provides an automatic scum collecting system automatically flowing in by means of a conveying device, for collecting scum in a diverter well 1, where the diverter well 1 includes a diverter well wall 11 and a diverter well cavity 12 formed by surrounding the diverter well wall 11, the diverter well wall 11 is provided with a water inlet and a water outlet which are communicated with the diverter well cavity 12, and the system includes a scum collecting inlet and a scum collecting channel 8; the scum collecting inlet is arranged on the diversion well wall 11 and is communicated with the inner cavity 12 of the diversion well, and the scum collecting channel 8 comprises an inlet end and an outlet end; wherein, water inlet and outlet communicate respectively has inlet tube 2 and drain pipe 4, and inlet tube 2 and drain pipe 4 all are located the lower half of reposition of redundant personnel wall of a well 11.
As shown in fig. 4, the overflow port 12 of the diversion well wall is connected with a closed sewage well 10, a conveying device 13 is arranged in the closed sewage well 10, the upper part of the closed sewage well is communicated with a scum collecting inlet, namely an overflow port 14 and a scum collecting channel 8 in the drawing, scum enters the inlet of the closed sewage well 10 from the overflow port 14 on the diversion well, and is conveyed to the bottom of the sewage interception pipe 3 by the conveying device 13.
After entering the sewage well, the floaters in the water are forcedly conveyed to the bottom of the sewage well under the conveying of the conveying device, and finally enter the sewage interception pipe along the water flow under the action of the water flow of the sewage interception pipe.
Example 6
On the basis of embodiment 5, the water outlet of the scum collecting channel 8 communicates with the closed sewage well 10.
As shown in fig. 4, the conveying device is a screw conveyor, a bucket conveyor or a scraper conveyor, and as a preferred embodiment, the screw conveyor has a strong pushing action and a material blocking prevention action, so that the scum can be pushed to the bottom of the sewage well in a forced manner, and the corresponding sewage well is cylindrical.
When the material is compressed and pushed to the bottom of the sewage well and corresponds to the pipe orifice of the sewage interception pipe, the sewage flowing out of the sewage interception pipe washes away scum entrained by the sewage, and enters the sewage interception pipe along with water flow.
Example 7
As an optimization, in combination with the water discharge port weir gate 5 and the baffle 6 provided in the structures of the embodiments 1 to 4, the scum automatic collection system of the embodiments 5 to 6 which automatically flows in by means of the conveying device can also be correspondingly provided for controlling the water level in the diversion well 1. The system of the invention is also provided with a hydraulic switch which controls the water level in the diversion well 1 by changing the water yield of the diversion well 1.
The system of the invention also comprises a monitoring device, a control unit and a baffle 6 for intercepting dross. The monitoring device is used for monitoring the liquid level and/or the water quality in the diversion well 1, and the control unit is used for controlling the opening and closing degree of the hydraulic switch according to the monitoring result of the monitoring device. The baffle 6 is arranged in the inner cavity 12 of the diversion well and is perpendicular to the water flow direction, two sides of the baffle 6 are respectively connected with the diversion well wall 11, and the baffle 6 is positioned between the scum collecting inlet and the water outlet.
Specifically, the hydraulic switch includes a first hydraulic switch for controlling the water output of the drain port.
In practical application, the first hydraulic switch may be any one of a gate, a weir gate, a gate valve, an air bag or a pneumatic housekeeping valve arranged at the water outlet.
Example 8
The diverting well wall 11 is also provided with a sewage outlet which is communicated with the diverting well cavity 12, the sewage outlet is communicated with the diverting well cavity 12 and a sewage treatment plant through a sewage interception pipe 3, the horizontal height of the lowest water inlet position of the scum collecting inlet is higher than that of the highest water inlet position of the sewage outlet, and the outlet end of the scum collecting channel 8 is connected to the sewage interception pipe 3. The system of the invention also comprises a second hydraulic switch for controlling the water yield of the sewage outlet. The second hydraulic switch is positioned in front of the connection of the outlet end and the sewage interception pipe 3. Specifically, the second hydraulic switch is a drain gate 9, and the drain gate 9 is arranged at the drain.
In practical application, the second hydraulic switch may be any one of a gate, a weir gate, a gate valve, an air bag or a pneumatic housekeeping valve arranged at the sewage outlet.
Example 9
The baffle 6 is a fixed baffle, two sides of the fixed baffle are fixedly connected with the diversion well wall 11, the horizontal height of the upper edge of the fixed baffle is higher than the horizontal height of the highest water inlet position of the scum collecting inlet, the horizontal height of the lower edge of the fixed baffle is lower than the horizontal height of the lowest water inlet position of the scum collecting inlet, and the water level in the hydraulic switch control diversion well 1 is always higher than the horizontal height of the lower edge of the fixed baffle.
Example 10
The baffle 6 is a floating baffle, the diversion well wall 11 is provided with a pair of clamping grooves perpendicular to the bottom of the diversion well 1, two sides of the floating baffle are respectively positioned in the pair of clamping grooves, the floating baffle can move up and down in the pair of clamping grooves, the upper end of the floating baffle is exposed out of the water surface, and the lower end of the floating baffle is positioned below the water surface. In practical application, the floating baffle can be of a hollow structure and made of stainless steel. Preferably, the floating shield is made of 316 stainless steel.
The water level in the diversion well 1 is not more than the highest warning water level by controlling the water yield of the diversion well 1 through the hydraulic switch.
Referring to fig. 1 and 2, the monitoring result of the monitoring device is transmitted to the control unit, and when the control unit judges that the scum on the sewage surface needs to be collected, the control unit controls the opening of the water outlet weir gate 5, the sewage surface rises, and the baffle 6 continuously intercepts the scum. When the sewage water surface rises to the scum collecting inlet, the sewage and scum on the sewage water surface flow into the sewage well 10, flow into the sewage interception tube 3 along the scum collecting channel 8, and are discharged to a sewage treatment plant. In the sewage discharging process, the control unit controls the opening and closing degree of the water outlet weir gate 5 and/or the sewage outlet gate 9, and keeps the sewage water surface at the scum collecting inlet, so that scum can be continuously collected. The control unit controls the water outlet weir gate 5 to be closed when judging that the scum collection on the sewage surface is basically clean according to the monitoring result of the monitoring device, the water outlet weir gate 5 is retracted to the bottom of the diversion well 1, and the sewage is discharged from the drain pipe 4. The baffle 6 continues to collect the scum flowing in from the water inlet pipe 2, the monitoring device continuously monitors the liquid level and/or the water quality in the diversion well 1, the result is transmitted to the control unit, and the control unit controls the hydraulic switch according to the monitoring result of the monitoring device, so that the scum is collected in a circulating and automatic mode.
Example 11
In the above embodiments 1 to 10, the air bag is made of elastic rubber, and is connected with the compressed air source through the air pipe, when the air bag is inflated, the corresponding channel is closed, and when the air bag is deflated, the corresponding channel is opened.
Further, the above-described air bag is replaced with a pneumatic pinch valve. The pneumatic pinch valve may use an existing pinch valve.
As shown in fig. 5 and 6, this embodiment provides a preferable pneumatic tube clamp valve structure scheme, which includes an elastic sleeve 210 and a housing 220, wherein the elastic sleeve has a flow channel T corresponding to a water outlet tube, the housing 220 is covered on the elastic sleeve, two ends of the elastic sleeve are in sealing and detachable connection with two ends of the housing, a cavity is formed between an outer wall of the elastic sleeve and an inner wall of the housing, an air inlet connected with an air inlet tube G is formed on the housing, when the cavity is inflated, the elastic sleeve expands, a sectional area of the flow channel is reduced, when the cavity is deflated, the elastic sleeve recovers, and a sectional area of the flow channel is enlarged.
Further, in this embodiment, the pneumatic pinch valve is nested within the channel and the conduit is fixedly positioned within the water outlet or drain.
Effects and advantageous effects of the embodiment
(1) According to the embodiment, the scum collecting inlet and the scum collecting channel are formed in the diversion well wall, when the water level rises to the scum collecting inlet, sewage and scum floating on the sewage surface flow into the scum collecting inlet under the conveying of the conveying device, so that scum in sewage can be automatically collected, and the applicability is wider under the condition of full pipe flow of an overflow well or a closed diversion well.
Various modifications and variations of the embodiments of the present invention may be made by those skilled in the art, and are within the scope of the appended claims and their equivalents.
What is not described in detail in the specification is prior art known to those skilled in the art.

Claims (8)

1. The utility model provides a dross automatic collection system for collect dross in reposition of redundant personnel well (1), reposition of redundant personnel well (1) are including reposition of redundant personnel wall of a well (11) and reposition of redundant personnel wall of a well (11) around reposition of redundant personnel well inner chamber (12) that form, be equipped with water inlet and outlet with reposition of redundant personnel well inner chamber (12) intercommunication on reposition of redundant personnel wall of a well (11), its characterized in that:
the system comprises a dross collection inlet and a dross collection channel (8);
the scum collecting inlet is arranged on the diversion well wall (11), and is communicated with the inner cavity (12) of the diversion well, and the water inlet height of the scum collecting inlet is higher than that of the water inlet;
the scum collecting channel (8) comprises an inlet end and an outlet end, the level of the outlet end is lower than that of the inlet end, and the inlet end is communicated with the scum collecting inlet;
a sewage outlet is further formed in the diversion well wall (11), the sewage outlet is connected with a sewage pipe or a sewage treatment plant or a sewage treatment facility through a sewage interception pipe, the outlet end is communicated with the sewage interception pipe or the sewage treatment plant or the sewage treatment facility, and the water inlet height of the scum collecting inlet is higher than the water inlet height of the sewage outlet;
the split-flow well (1) is internally provided with a highest warning water level line, and the highest warning water level line is higher than the horizontal height of the highest water inlet position of the scum collecting inlet;
when the sewage interception pipe is not full pipe flow, the system further comprises a connecting device (7), the connecting device (7) is communicated with the scum collecting inlet and the scum collecting channel (8), the connecting device (7) is positioned at the outer side of the diversion well wall (11), and scum entering from the scum collecting inlet flows into the sewage interception pipe by gravity;
the scum in the diversion well enters from the scum collecting inlet and flows out by gravity after passing through the scum collecting channel;
or when the sewage interception pipe is full pipe flow, the system further comprises a conveying device, the conveying device is arranged in the scum collecting channel, an inlet of the conveying device is communicated with the scum collecting inlet, scum in the diversion well enters from the scum collecting inlet and is discharged through the conveying device, and scum entering from the scum collecting inlet enters into the sewage interception pipe through the conveying device.
2. The automatic dross collection system according to claim 1, wherein:
the conveying device is a screw conveyor;
and/or the system further comprises a bilge well, wherein a passage in the bilge well is the scum collecting passage, and the inlet end and the outlet end are arranged on the bilge well.
3. The automatic dross collection system according to claim 1, wherein:
the water outlet is connected with a natural water body, and a first hydraulic switch is arranged in front of or on the water outlet or on a pipeline connected with the water outlet;
or the water outlet is connected with the natural water body, a first hydraulic switch is arranged in front of or on the water outlet or on a pipeline connected with the water outlet, and a second hydraulic switch is arranged in front of or on the sewage outlet or on a pipeline connected with the sewage outlet.
4. The automatic dross collection system according to claim 3, wherein:
the first hydraulic switch is one of a gate, a weir gate, a gate valve, an air bag or a pneumatic pipe clamp valve;
the second hydraulic switch is one of a gate, a weir gate, a gate valve, an air bag or a pneumatic pinch valve.
5. The automatic dross collection system according to claim 3, wherein: the scum collecting inlet is arranged at the upstream of the first hydraulic switch, and the water inlet height of the scum collecting inlet is lower than the water inlet height of the water outlet;
or, when the first hydraulic switch is positioned at the upstream of the water outlet and the first hydraulic switch overflows water, the scum collecting inlet is arranged at the downstream of the first hydraulic switch, and the water inlet height of the scum collecting inlet is higher than the water inlet height of the water outlet.
6. The automatic dross collection system according to claim 1, wherein:
the system also comprises a monitoring device and a control unit, wherein the monitoring device is used for monitoring the liquid level and/or the water quality in the diversion well (1), and the control unit is used for controlling the opening and closing degree of the hydraulic switch according to the monitoring result of the monitoring device.
7. The automatic dross collection system according to claim 1, wherein:
the system further comprises a baffle (6) for intercepting scum, wherein the baffle (6) is arranged in the inner cavity (12) of the diversion well and is perpendicular to the water flow direction, and the baffle (6) is positioned at the downstream of the scum collecting inlet.
8. The automated dross collection system according to claim 7, wherein:
the baffle (6) is a fixed baffle, the two sides of the fixed baffle are fixed, the horizontal height of the upper edge of the fixed baffle is higher than the horizontal height of the highest water inlet position of the scum collecting inlet, and the horizontal height of the lower edge of the fixed baffle is lower than the horizontal height of the lowest water inlet position of the scum collecting inlet;
or, the baffle (6) is a floating baffle, the diversion well wall (11) is provided with a pair of clamping grooves perpendicular to the bottom of the diversion well (1), two sides of the floating baffle are respectively positioned in the pair of clamping grooves, and the floating baffle can move up and down in the pair of clamping grooves.
CN201910059066.0A 2018-01-23 2019-01-22 Automatic scum collecting system Active CN109555218B (en)

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CN108301498A (en) * 2018-01-23 2018-07-20 武汉圣禹排水系统有限公司 Dross auto-collection system
CN111501690B (en) * 2020-04-02 2021-08-10 三峡大学 Flap gate with dredging function
CN111535423B (en) * 2020-05-08 2021-07-23 义乌市高洋建筑工程有限公司 Safe ecological ditch
US11286185B1 (en) * 2020-11-12 2022-03-29 Aqua-Aerobic Systems, Inc. System and method of scum collection in wastewater treatment systems
CN113402109B (en) * 2021-05-27 2023-01-06 安徽保尔盈新材料科技有限公司 Method for treating and recycling wastewater for textile printing and dyeing
CN114105335A (en) * 2021-11-25 2022-03-01 张振华 Highway bridge floor drainage filtration system
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