CN219341841U - Floating mud interception device of decanter - Google Patents

Floating mud interception device of decanter Download PDF

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Publication number
CN219341841U
CN219341841U CN202320240747.9U CN202320240747U CN219341841U CN 219341841 U CN219341841 U CN 219341841U CN 202320240747 U CN202320240747 U CN 202320240747U CN 219341841 U CN219341841 U CN 219341841U
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China
Prior art keywords
water level
outer barrel
level sensor
barrel box
turning plate
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CN202320240747.9U
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Chinese (zh)
Inventor
刘晓
诸力维
王同奎
王宇
周洋
谢川
赵宏
何俊祥
罗黄河
张楷彬
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Chongqing Three Gorges Yufu Drainage Co ltd
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Chongqing Three Gorges Yufu Drainage Co ltd
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Priority to CN202320240747.9U priority Critical patent/CN219341841U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The utility model relates to a sewage treatment device, in particular to a floating mud interception device of a decanter, which comprises an outer barrel box, wherein the bottom of the outer barrel box is connected with a diversion cone groove, the lower end of the diversion cone groove is connected with a drainage branch pipe, the drainage branch pipe is sleeved on a support pipe, and the support pipe is connected to a drainage pipe; the upper end surface of the outer barrel box is provided with a fixing device for fixing the outer barrel box; the upper end of the diversion cone groove is movably connected with a turning plate, and the turning plate is matched with the inner bottom of the outer barrel box to form a decanting weir; the water level detection device comprises a first controller, a first water level sensor, a second water level sensor, a delay module and a switch device for controlling the turning plate to rotate; the first controller is respectively and electrically connected with the first water level sensor, the second water level sensor, the delay module and the switching device; the first water level sensor and the second water level sensor are respectively arranged at the upper part and the lower part of the other side of the diversion cone groove from top to bottom.

Description

Floating mud interception device of decanter
Technical Field
The utility model relates to a sewage treatment device, in particular to a floating mud interception device of a decanter.
Background
In sewage treatment plants or other sewage treatment projects, when an SBR process or the like is adopted, a decanter is required to discharge supernatant liquid of liquid in the reaction tank after a standing precipitation stage out of the tank.
While the basic requirements of a decanter are: in the aeration stage and the sedimentation stage, the sludge can be prevented from entering a drainage channel of the decanter; during the decanting stage, the supernatant liquid, which does not include surface scum, should be discharged while avoiding disturbing the precipitated sludge of the bottom layer. The existing common decanters comprise a mechanically-upgraded decanter, a siphonic decanter, a pontoon type decanter and the like, and although the decanters can realize the decanting operation, the decanters still have some problems, and are faced with various stages of a sewage reaction tank, the decanters cannot judge the stages, so that the decanting time is required to be judged manually, and then the corresponding decanters are put into the sewage reaction tank for the decanting operation, so that the whole decanting operation is complicated for operators.
Disclosure of Invention
The utility model aims to provide a floating mud interception device of a decanter, which can accurately monitor the time of decanting, and avoid the problem that the decanting effect is poor due to the fact that the decanting operation is performed in a precipitation stage.
In order to achieve the above purpose, the technical scheme of the utility model provides a floating mud interception device of a decanter, which comprises an outer barrel box, wherein the bottom of the outer barrel box is connected with a diversion cone groove, the lower end of the diversion cone groove is connected with a drainage branch pipe, the drainage branch pipe is sleeved on a support pipe, and the support pipe is connected to a drainage pipe; the upper end face of the outer barrel box is provided with a fixing device for fixing the outer barrel box; the upper end of the diversion cone groove is movably connected with a turning plate, and the turning plate is matched with the inner bottom of the outer barrel box to form a decanting weir;
the water level detection device comprises a first controller, a first water level sensor, a second water level sensor, a delay module and a switch device for controlling the turning plate to rotate; the first controller is electrically connected with the first water level sensor, the second water level sensor, the delay module and the switching device respectively; the first water level sensor and the second water level sensor are respectively arranged at the upper part and the lower part of the side wall of the diversion cone groove from top to bottom.
The technical principle and effect of this scheme are: in the scheme, the whole device is fixed on the wall of the sewage reaction tank through the fixing device, a certain height exists between the device and the top of the sewage reaction tank, when sewage is continuously added into the corresponding reaction tank, when the corresponding water level of the sewage reaches the height of the first water level sensor, the controller can timely detect the water level of the sewage in the sewage reaction tank at the moment through the first water level sensor, the water level reaches the water decanting height, the delay module is started to delay for a period of time, the sewage in the sewage reaction tank is stopped after the delay, the sewage is stopped from the sedimentation stage to the decanting stage, the decanting can be performed at the moment, the delay module sends out a stop signal, the first controller can control the switching device after receiving the stop signal, so that the turning plate is changed into an open state from a closed state, clear water can be discharged into the water guide cone groove, flows into the branch pipe through the water guide cone groove, and flows into the drain pipe through the support pipe, and the decanting function is realized. Along with continuous water decanting, the water level can continuously drop, when the corresponding second water level sensor does not detect the water level, the water level is reduced to the lowest water decanting height at the moment, namely water decanting is performed at the moment, scum in the surface of the sewage reaction tank can also flow into the diversion cone groove, the corresponding water decanting effect is not ideal, and at the moment, the controller can control the switching device to enable the turning plate to be switched from the on state to the off state.
1. The floating mud interception device has the advantages of simple structure, few parts, convenience in manufacturing, installation and maintenance, low manufacturing, running and maintenance cost, high cost performance and suitability for popularization.
2. According to the decanting device, the time for decanting can be accurately monitored through the arrangement of the first water level sensor, and the decanting operation is prevented from being carried out in the precipitation stage, so that the decanting effect is poor.
3. The setting of the second water level sensor can timely determine the end time of decanting, so that scum or floating mud on the surface of the sewage reaction tank is prevented from being positioned at the lower part of the outer barrel box when the water level is reduced, and the scum or floating mud flows into the diversion cone groove, so that the decanting effect is greatly reduced.
4. By setting the delay module, the decanting start time is more accurate, and the problem that the decanting effect is poor due to the fact that the decanting operation is started just after the water level rises and the water in the sewage reaction tank is turbid at the moment can be in a sedimentation stage or an aeration stage, so that the sewage reaction tank is given a little time by the delay of the delay module, the decanting time is delayed, and the problem that the sedimentation stage or the aeration stage is poor is solved.
Further, the switch device comprises a fixed plate and a cylinder electrically connected with the first controller; the both ends of fixed plate respectively with the upper end inner wall fixed connection of outer barrel case, the piston rod and the board fixed connection that turns over of cylinder, the other end and the fixed plate fixed connection that the piston rod was kept away from to the cylinder.
The beneficial effects are that: the setting through the cylinder can be more stable open the control of turning over the board and closing, and the cylinder is fixed on the fixed plate simultaneously, is located the top in water conservancy diversion awl groove, can avoid the cylinder to be submerged as far as like this, leads to the problem that the cylinder damaged to appear.
Further, the switch device comprises a magnet and an electromagnet electrically connected with the first controller; the magnet is inlaid at the inner bottom of the outer barrel box, the electromagnet is inlaid on the turning plate, and the electromagnet and the magnet are matched to control the opening and closing of the turning plate.
The beneficial effects are that: in the scheme, after the corresponding first controller receives the end signal, the electromagnet is controlled to be electrified, and after the electromagnet is electrified, the magnet which is arranged on the inner bottom of the outer barrel box and is opposite to the electromagnet is repelled, so that the separation of the turning plate and the inner bottom of the outer barrel box is realized, and the corresponding decanting operation is started.
When the first controller receives that the second water level sensor does not detect the water level, the electromagnet is controlled to be powered off, so that the powered off electromagnet is attracted by the magnet under the attraction action of the magnet, the turning plate and the bottom in the outer barrel box are closed, and the decanting operation is stopped.
Further, the number of the turning plates is two, and the turning plates are respectively arranged at the left side and the right side of the diversion cone groove.
The beneficial effects are that: the left side and the right side of the diversion cone groove can be controlled through the left and the right arrangement of the turning plate, so that the good decanting effect of the left side and the right side of the diversion cone groove can be ensured.
Further, the fixing device comprises a transverse supporting rod and a longitudinal supporting rod, the transverse supporting rod is fixedly connected with the upper end face of the outer barrel box, and the longitudinal supporting rod is fixedly connected with the side wall of the sewage reaction tank through bolts and nuts.
The beneficial effects are that: the arrangement of the whole fixing device can enable the whole interception device to be stable in the sewage reaction tank, and the result is simple and the fixation is firm through the corresponding fixing device.
Further, the fixing device further comprises an inclined support rod, one end of the inclined support rod is fixedly connected with the transverse support rod, and the other end of the inclined support rod is fixedly connected with the longitudinal support rod.
The beneficial effects are that: the fixing device can be firmer and more stable through the arrangement of the oblique support rods.
Further, the number of the fixing devices is two, and the fixing devices are symmetrically arranged along the central axis of the outer barrel box.
The beneficial effects are that: the fixing device is provided with two fixing devices, and the outer barrel box can be better fixed.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a device for intercepting floating mud in a decanter in accordance with an embodiment of the present utility model.
Fig. 2 is a cross-sectional view of a decanter sludge interception device according to a first embodiment of the present utility model.
Fig. 3 is a logic block diagram of a water level detection apparatus according to an embodiment of the present utility model.
Detailed Description
The following is a further detailed description of the embodiments:
the labels in the drawings of this specification include: the device comprises an outer barrel box 1, a diversion cone groove 2, a turning plate 3, an L-shaped fixing rod 4, a transverse supporting rod 5, a longitudinal supporting rod 6, an oblique supporting rod 7 and a drainage branch pipe 8.
Embodiment one:
embodiment one is substantially as shown in fig. 1 and 2: the utility model provides a decanter float mud intercepting device, includes outer bucket case 1, and the bottom of outer bucket case 1 is connected with water conservancy diversion awl groove 2, in this embodiment, welded fixedly connected with L type dead lever 4 on the groove surface of water conservancy diversion awl groove 2, the one end and the groove surface welded fastening of water conservancy diversion awl groove 2 of L type dead lever 4, the other end and the lateral wall welded fastening of outer bucket case 1 of L type dead lever 4, in this embodiment, the quantity of L type dead lever 4 sets up 4, sets up the both ends at water conservancy diversion awl groove 2, and two L type dead levers 4 on each end set up respectively on the both sides of water conservancy diversion awl groove 2.
The lower extreme of water conservancy diversion awl groove 2 is connected with drainage branch pipe 8, and drainage branch pipe 8 suit is on the support pipe, and support pipe connection is on the drain pipe, and in this embodiment, drainage branch pipe 8 endotheca is equipped with the connecting pipe, and the connecting pipe suit is outside the support pipe, and relative movement between connecting pipe and the drainage branch pipe 8, relative movement between connecting pipe and the support pipe forms scalable sealed passageway between connecting pipe and the drainage branch pipe 8, the support pipe like this, and the water that flows in the water conservancy diversion awl groove 2 just can flow to drainage branch pipe 8, connecting pipe, support pipe and drain pipe in proper order like this, finally flows appointed drainage point through the drain pipe, just can accomplish the operation of decanting smoothly yet.
In order to enable the outer barrel box 1 to be stabilized, a fixing device for fixing the outer barrel box 1 is arranged on the upper end face of the outer barrel box 1, in the embodiment, the fixing device comprises a transverse supporting rod 5, a longitudinal supporting rod 6 and an inclined supporting rod 7, specifically, the transverse supporting rod 5 is welded and fixed with the upper end face of the outer barrel box 1, the longitudinal supporting rod 6 is fixedly connected with the side wall of the sewage reaction tank through bolts and nuts, one end of the inclined supporting rod 7 is welded and fixed with the transverse supporting rod 5, and the other end of the inclined supporting rod 7 is welded and fixed with the longitudinal supporting rod 6 in order to ensure stability of the fixing device. Meanwhile, two fixing devices are arranged and symmetrically arranged along the central axis of the outer barrel box 1.
In order to realize the control of the decanting time, the problem of poor decanting effect caused by the decanting operation in the non-decanting stage is avoided, the upper end of the diversion cone groove 2 is movably connected with a turning plate 3, wherein the turning plate 3 is matched with the inner bottom of the outer barrel box 1 to form a decanting weir mouth, and thus, the decanting time can be controlled by controlling the opening and closing of the turning plate 3. In this embodiment, the number of the turning plates 3 is two, and the turning plates are respectively arranged at the left side and the right side of the diversion cone groove 2. In this embodiment, the maximum angle at which the flap 3 can rotate is fixed, and when the flap 3 rotates to the maximum angle, the height of the flap does not exceed the height of the second water level sensor, so that the decanting operation can be ensured when the water level is at the height of the second water level sensor.
As shown in fig. 3, the water level detection device further comprises a water level detection device, wherein the water level detection device comprises a first controller, a first water level sensor, a second water level sensor, a delay module and a switch device for controlling the turning plate 3 to rotate; the first controller is electrically connected with the first water level sensor, the second water level sensor, the delay module and the switching device respectively; the first water level sensor and the second water level sensor are respectively arranged at the upper part and the lower part of the other side of the diversion cone groove 2 from top to bottom.
The first controller is used for detecting the water level of the sewage in the sewage reaction tank through the first water level sensor and the second water level sensor, the second water level sensor and the first water level sensor can sequentially detect signals along with continuous adding of the sewage in the sewage reaction tank, when the first water level sensor detects the water level, the water decanting operation can be conducted at the moment, in order to ensure that the sewage can be conducted at the moment, the first controller starts the delay module to delay for a period of time, after the delay is finished, the sewage in the sewage reaction tank is in a water decanting stage, the delay module sends out an end signal, and the first controller controls the switching device after receiving the end signal, so that the turning plate 3 is converted into an on state from an off state, and the water decanting operation is conducted.
As the water level of the sewage in the sewage reaction tank continuously decreases, the sewage reaches the lowest decanting height, that is, the decanting is performed at the moment, and the scum or the floating mud on the surface can flow into the diversion cone groove 2, so that the problem of unsatisfactory decanting effect can occur.
In this embodiment, the switching device includes a magnet, and an electromagnet electrically connected to the first controller; the magnet is inlaid in the inner bottom of the outer barrel box 1, the electromagnet is inlaid on the turning plate 3, and the electromagnet and the magnet are matched to control the opening and closing of the turning plate 3. Specifically, after receiving the end signal, the first controller controls the electromagnet to be electrified, and after the electromagnet is electrified, the magnet arranged on the inner bottom of the outer barrel box 1 opposite to the electromagnet is repelled, so that the separation of the turning plate 3 and the inner bottom of the outer barrel box 1 is realized, and the corresponding decanting operation is started. After the first controller does not receive the water level information detected by the second water level sensor, the electromagnet is controlled to be powered off, and after the electromagnet is powered off, the magnet which is arranged on the inner bottom of the outer barrel box 1 and is opposite to the electromagnet is attracted, so that the turning plate 3 and the inner bottom of the outer barrel box 1 are closed, and the decanting operation is stopped.
Embodiment two:
compared with the first embodiment, the present embodiment is different in that the switching device includes a fixed plate, and a cylinder electrically connected to the first controller; the both ends of fixed plate respectively with the upper end inner wall fixed connection of outer barrel case 1, the piston rod and the board 3 fixed connection that turn over of cylinder, the other end and the fixed plate fixed connection of piston rod are kept away from to the cylinder.
In the embodiment, two ends of the fixing plate are respectively welded and fixed with the inside of the outer barrel box 1, a piston rod of the air cylinder is welded and fixed with the turning plate 3, and the other end of the air cylinder is fixed on the fixing plate through a nut and a bolt. When the turning plate is controlled to be opened and closed, the first controller is used for controlling the opening and closing of the air cylinder, so that water decanting and non-water decanting operations are realized. The opening and closing processes of the turning plate can be more stable and stable through the arrangement of the air cylinder.
The foregoing is merely an embodiment of the present utility model, the present utility model is not limited to the field of this embodiment, and the specific structures and features well known in the schemes are not described in any way herein, so that those skilled in the art will know all the prior art in the field before the application date or priority date, and will have the capability of applying the conventional experimental means before the date, and those skilled in the art may, in light of the teaching of this application, complete and implement this scheme in combination with their own capabilities, and some typical known structures or known methods should not be an obstacle for those skilled in the art to practice this application. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (7)

1. The utility model provides a decanter mud-slick intercepting device which characterized in that: the water draining device comprises an outer barrel box, wherein the bottom of the outer barrel box is connected with a diversion cone groove, the lower end of the diversion cone groove is connected with a water draining branch pipe, the water draining branch pipe is sleeved on a supporting seat pipe, and the supporting seat pipe is connected to a water draining pipe; the upper end face of the outer barrel box is provided with a fixing device for fixing the outer barrel box; the upper end of the diversion cone groove is movably connected with a turning plate, and the turning plate is matched with the inner bottom of the outer barrel box to form a decanting weir;
the water level detection device comprises a first controller, a first water level sensor, a second water level sensor, a delay module and a switch device for controlling the turning plate to rotate; the first controller is electrically connected with the first water level sensor, the second water level sensor, the delay module and the switching device respectively; the first water level sensor and the second water level sensor are respectively arranged at the upper part and the lower part of the other side of the diversion cone groove from top to bottom.
2. The decanter sludge interception device according to claim 1, wherein: the switch device comprises a fixed plate and a cylinder electrically connected with the first controller; the both ends of fixed plate respectively with the upper end inner wall fixed connection of outer barrel case, the piston rod and the board fixed connection that turns over of cylinder, the other end and the fixed plate fixed connection that the piston rod was kept away from to the cylinder.
3. The decanter sludge interception device according to claim 1, wherein: the switch device comprises a magnet and an electromagnet which is electrically connected with the first controller; the magnet is inlaid at the inner bottom of the outer barrel box, the electromagnet is inlaid on the turning plate, and the electromagnet and the magnet are matched to control the opening and closing of the turning plate.
4. A decanter sludge interception device according to claim 3, characterized in that: the number of the turning plates is two, and the turning plates are respectively arranged at the left side and the right side of the diversion cone groove.
5. The decanter sludge interception device according to claim 4, wherein: the fixing device comprises a transverse supporting rod and a longitudinal supporting rod, the transverse supporting rod is fixedly connected with the upper end face of the outer barrel box, and the longitudinal supporting rod is fixedly connected with the side wall of the sewage reaction tank through bolts and nuts.
6. The decanter sludge interception device according to claim 5, wherein: the fixing device further comprises an inclined support rod, one end of the inclined support rod is fixedly connected with the transverse support rod, and the other end of the inclined support rod is fixedly connected with the longitudinal support rod.
7. The decanter sludge interception device according to claim 6, wherein: the number of the fixing devices is two, and the fixing devices are symmetrically arranged along the central axis of the outer barrel box.
CN202320240747.9U 2023-02-16 2023-02-16 Floating mud interception device of decanter Active CN219341841U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320240747.9U CN219341841U (en) 2023-02-16 2023-02-16 Floating mud interception device of decanter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320240747.9U CN219341841U (en) 2023-02-16 2023-02-16 Floating mud interception device of decanter

Publications (1)

Publication Number Publication Date
CN219341841U true CN219341841U (en) 2023-07-14

Family

ID=87097753

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320240747.9U Active CN219341841U (en) 2023-02-16 2023-02-16 Floating mud interception device of decanter

Country Status (1)

Country Link
CN (1) CN219341841U (en)

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