CN216890272U - Biological tank floating sludge vacuum suction and collection device for sewage treatment - Google Patents
Biological tank floating sludge vacuum suction and collection device for sewage treatment Download PDFInfo
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- CN216890272U CN216890272U CN202121943129.8U CN202121943129U CN216890272U CN 216890272 U CN216890272 U CN 216890272U CN 202121943129 U CN202121943129 U CN 202121943129U CN 216890272 U CN216890272 U CN 216890272U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model relates to the field of sludge treatment devices, in particular to a vacuum suction and collection device for floating sludge in a biological tank for sewage treatment. The utility model provides a biological pond come-up mud vacuum suction collection device for sewage treatment, includes technology reaction tank (11) and sludge impoundment (12), characterized by: the floating sludge sewage treatment device further comprises a floating sludge collecting tank (13), a vacuum storage tank (14), a gas-water separator (15), a vacuum pump (51), a sludge pump (52), a controller (6) and the like, wherein each floating sludge collecting tank (13) is fixed on the inner side wall of the water outlet side of one sub-tank (111) through a support; the steam outlet at the top of the vacuum storage tank (14) is connected with the steam inlet at the top of the gas-water separator (15), and the sludge outlet at the bottom of the vacuum storage tank (14) is connected with the sludge tank (12). The utility model has reasonable structure, timely mud removal, safety and reliability.
Description
Technical Field
The utility model relates to the field of sludge treatment devices, in particular to a vacuum suction and collection device for floating sludge in a biological tank for sewage treatment.
Background
A sewage treatment (namely Virginia Initiative Plant, VIP for short) process reaction tank adopts a grid mode, a series of complete mixing type reaction grids (tanks) with smaller volume are connected in series, and the form can form the gradient distribution of organic matters, can fully play the role of phosphorus accumulating bacteria, improves the release of phosphorus in an anaerobic tank and the absorption speed of phosphorus in an aerobic tank, and has higher phosphorus removal effect than the complete mixing type reaction tank with single volume. The lattices of the anoxic reaction tank enable most of denitrification reactions to occur in the first lattices, which is beneficial to the complete denitrification of the anoxic reaction tank, so that the amount of nitrate in the last lattice of the anoxic reaction tank is very small, even basically no nitrate enters the anaerobic tank through the reflux liquid of the anoxic reaction tank, and the strict anaerobic environment of the anaerobic tank is ensured.
The VIP process belongs to an activated sludge process, sludge flocs are influenced by conditions such as environmental temperature, water quality and the like, sludge floating-up condition may occur in a square lattice type tank, floating-up sludge is difficult to conduct to a tail end aerobic area or a secondary sedimentation tank for centralized cleaning due to the design characteristic of serial operation of the tank type cells, and sludge covers the surface of the tank to influence the treatment effect if the floating-up sludge cannot be cleaned in time. To the great sewage factory of adopting VIP technology scale, the manual work is salvaged and is cleared up work intensity great, and salvage in the check area that does not set up the platform, and sewage factory fortune dimension personnel can only stride across the guardrail and operate on the partition wall, the drowned risk of difficult operation and existence.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sludge treatment device which is reasonable in structure, timely in sludge removal, safe and reliable, and aims to overcome the defects of the prior art, and discloses a floating sludge vacuum suction and collection device for a biological tank for sewage treatment.
The utility model achieves the purpose by the following technical scheme:
the utility model provides a biological pond come-up mud vacuum suction collection device for sewage treatment, includes technology reaction tank and sludge impoundment, and two at least subsubponds are separated into in the technology reaction tank, and one side in technology reaction tank, characterized by are located to the sludge impoundment: also comprises a floating mud collecting tank, a vacuum storage tank, a gas-water separator, a liquid level meter, a vacuum pressure switch, a mud discharging pipe, a mud-water mixing pipeline, a steam conveying pipeline, a mud conveying pipeline, an inlet valve, a vacuum breaking valve, a vacuum pump inlet valve, a vacuum pump outlet valve, an exhaust valve, a drain valve, a sludge pump inlet valve, a vacuum pump, a sludge pump and a controller,
the number of the floating mud collecting tanks is equal to that of the sub-tanks, each floating mud collecting tank is fixed on the inner side wall of the water outlet side of one sub-tank through a support, the notch of each floating mud collecting tank is flush with the liquid level in the sub-tank, a liquid level meter is arranged in each floating mud collecting tank, the mud discharging port at the bottom of each floating mud collecting tank is connected with a mud-water mixing pipeline through a mud discharging pipe, the other end of the mud-water mixing pipeline is connected with a vacuum storage tank, and an inlet valve is connected in series on the mud-water mixing pipeline;
the top of the vacuum storage tank is provided with a vacuum breaking valve and a steam outlet, a vacuum pressure switch is arranged in the vacuum storage tank, the steam outlet at the top of the vacuum storage tank is connected with a steam inlet at the top of the gas-water separator through a steam transmission pipeline, a vacuum pump inlet valve, a vacuum pump and a vacuum pump outlet valve are sequentially connected in series on the steam transmission pipeline along the direction from the vacuum storage tank to the gas-water separator, a sludge outlet at the bottom of the vacuum storage tank is connected with a sludge pond through a sludge transmission pipeline, and a sludge pump inlet valve and a sludge pump are sequentially connected in series on the sludge transmission pipeline;
the top of the gas-water separator is provided with an exhaust valve, and the bottom of the gas-water separator is provided with a drain valve;
the controller is respectively connected with the liquid level meter, the vacuum pressure switch, the vacuum pump and the sludge pump through signal lines.
A biological pond come-up mud vacuum suction collection device for sewage treatment, characterized by: the floating mud collecting tank is made of stainless steel, the floating mud collecting tank is a combination of an upper cylindrical shape and a lower conical shape, the conical bottom surface is the same as the cylindrical bottom surface, and the conical bottom surface is attached and fixed on the cylindrical bottom surface, so that the floating mud collecting tank with the other cylindrical bottom surface upward and the conical top point downward is formed.
A biological pond come-up mud vacuum suction collection device for sewage treatment, characterized by: the sludge pump is of a dry type and is not blocked.
A biological pond come-up mud vacuum suction collection device for sewage treatment, characterized by: the controller is a single chip microcomputer or a programmable controller.
When the utility model is used, the method is implemented according to the following steps in sequence:
1. the initialization state before the operation of the present invention is as follows: the inlet valve, the vacuum breaking valve, the exhaust valve, the drain valve, the sludge pump inlet valve and the sludge pump are all in a closed state, and the vacuum pump inlet valve and the vacuum pump outlet valve are all in an open state.
2. VIP process reaction is carried out in the process reaction tank, biological sludge generated by the reaction floats above the liquid level and flows along the water flow direction, and the biological sludge floating upwards in the process reaction tank is accumulated continuously and flows into a floating sludge collecting tank.
3. The liquid level meter at the upper part of the floating sludge collecting tank detects the accumulated height of the biological sludge in the floating sludge collecting tank, generates an analog quantity signal and feeds the analog quantity signal back to the controller, and when the accumulated height of the biological sludge reaches a limit value, the controller sends an instruction to control the utility model to act.
4. Starting a vacuum pump for suction, electrifying a vacuum pressure switch to detect the vacuum degree in a vacuum storage tank, sending a switch signal to a controller by the vacuum pressure switch when the detected vacuum degree is reduced to-15 kPa to-30 kPa, sending a closing instruction after the controller receives the signal, then closing an inlet valve and an outlet valve of the vacuum pump, stopping the vacuum pump, feeding back the signals to the controller, and waiting for receiving an instruction for the next stage.
5. The inlet valve is opened, the biological sludge accumulated in the floating sludge collecting tank is sucked into the vacuum storage tank, the inlet valve is automatically closed after being kept opened for a period of time, then the vacuum breaker valve is opened, so that the internal air pressure of the vacuum storage tank is consistent with the external air pressure, the sludge pump inlet valve and the sludge pump are started, and the biological sludge stored in the vacuum storage tank is pumped to the sludge tank.
6. And an exhaust valve and a drain valve of the gas-water separator are both opened, and accumulated water and stored gas in the gas-water separator are discharged.
After all the operations are finished, the utility model automatically returns to the initialization state of the step 1, and enters the next cycle after the controller collects the signal of the liquid level meter.
The floating sludge collecting device arranged in the biological pool of the VIP sewage plant has the following beneficial effects: under the condition that the operation of the biological pond produces a large amount of mud that floats unusually, can realize timely automatic collection of mud and carry, can effectively get rid of the mud come-up that sewage factory treatment facility leads to unusually and cover the pool face phenomenon, avoid influencing aeration efficiency and bad sense organ, maintain VIP technology operation effect, drowned risk that probably appears when having avoided artifical salvage float mud simultaneously.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The utility model is further illustrated by the following specific examples.
Example 1
The utility model provides a biological pond come-up mud vacuum suction collection device for sewage treatment, includes technology reaction tank 11, sludge impoundment 12, superficial mud collecting vat 13, vacuum storage tank 14, gas-water separator 15, level gauge 21, vacuum pressure switch 22, mud pipe 31, muddy water mixing pipe 32, steam transmission pipeline 33, defeated mud pipeline 34, inlet valve 41, vacuum break valve 42, vacuum pump inlet valve 43, vacuum pump outlet valve 44, discharge valve 45, drain valve 46, sludge pump inlet valve 47, vacuum pump 51, sludge pump 52 and controller 6, as shown in figure 1, the concrete structure is:
the process reaction tank 11 is divided into at least two sub-tanks 111, the sludge tank 12 is arranged on one side of the process reaction tank 11, the number of the floating mud collecting tanks 13 is equal to that of the sub-tanks 111, each floating mud collecting tank 13 is fixed on the inner side wall of the water outlet side of one sub-tank 111 through a support, the notch of each floating mud collecting tank 13 is flush with the liquid level in the sub-tank 111, each floating mud collecting tank 13 is internally provided with a liquid level meter 21, the mud discharge port at the bottom of each floating mud collecting tank 13 is connected with a mud-water mixing pipeline 32 through a mud discharge pipe 31, the other end of the mud-water mixing pipeline 32 is connected with a vacuum storage tank 14, and an inlet valve 41 is connected in series on the mud-water mixing pipeline 32;
the top of the vacuum storage tank 14 is provided with a vacuum breaking valve 42 and a steam outlet, a vacuum pressure switch 22 is arranged in the vacuum storage tank 14, the steam outlet at the top of the vacuum storage tank 14 is connected with a steam inlet at the top of the gas-water separator 15 through a steam conveying pipeline 33, a vacuum pump inlet valve 43, a vacuum pump 51 and a vacuum pump outlet valve 44 are sequentially connected in series on the steam conveying pipeline 33 along the direction from the vacuum storage tank 14 to the gas-water separator 15, a sludge outlet at the bottom of the vacuum storage tank 14 is connected with the sludge pool 12 through a sludge conveying pipeline 34, and a sludge pump inlet valve 47 and a sludge pump 52 are sequentially connected in series on the sludge conveying pipeline 34;
the top of the gas-water separator 15 is provided with an exhaust valve 45, and the bottom of the gas-water separator 15 is provided with a drain valve 46;
the controller 6 is connected with a liquid level meter 21, a vacuum pressure switch 22, a vacuum pump 51 and a sludge pump 52 through signal lines respectively.
Note: for simplicity and clarity, signal lines between the controller 6 and the level gauge 21 are not shown in fig. 1.
In this embodiment: the floating sludge collecting tank 13 is made of stainless steel, the floating sludge collecting tank 13 is a combination of an upper cylindrical shape and a lower conical shape, the conical bottom surface is the same as the cylindrical bottom surface, and the conical shape is attached and fixed on the cylindrical bottom surface by the bottom surface, so that the floating sludge collecting tank 13 with the other cylindrical bottom surface upward and the vertex of the conical shape downward is formed.
In this embodiment: the sludge pump 52 is of a dry type without blockage.
In this embodiment: the controller 6 is a single chip microcomputer or a programmable controller.
When the method is used, the steps are implemented in sequence as follows:
1. the initialization state of the present embodiment before operation is as follows: the inlet valve 41, the vacuum breaking valve 42, the exhaust valve 45, the drain valve 46, the sludge pump inlet valve 47, and the sludge pump 52 are all in a closed state, and the vacuum pump inlet valve 43 and the vacuum pump outlet valve 44 are all in an open state.
2. VIP process reaction is carried out in the process reaction tank 11, biological sludge generated by the reaction floats above the liquid level and flows along the water flow direction, and the biological sludge floating upwards in the process reaction tank 11 is accumulated continuously and flows into the floating sludge collecting tank 13.
3. The liquid level meter 21 on the upper part of the floating sludge collecting tank 13 detects the accumulated height of the internal biological sludge, generates an analog quantity signal and feeds the analog quantity signal back to the controller 6, and when the accumulated height of the biological sludge reaches a limit value, the controller 6 sends an instruction to control the action of the embodiment.
4. The vacuum pump 51 is started to suck, the vacuum pressure switch 22 is electrified to detect the vacuum degree in the vacuum storage tank 14, when the detected vacuum degree is reduced to-15 kPa to-30 kPa, the vacuum pressure switch 22 sends a switch signal to the controller 6, the controller 6 sends a closing instruction after receiving the signal, then the vacuum pump inlet valve 43 and the vacuum pump outlet valve 44 are both closed, the vacuum pump 51 stops running, the signals are all fed back to the controller 6, and the instruction of the next stage is waited to be received.
5. The inlet valve 41 is opened, the biological sludge accumulated in the floating sludge collecting tank 13 is sucked into the vacuum storage tank 14, the inlet valve 41 is automatically closed after being kept opened for a period of time, then the vacuum breaking valve 42 is opened, so that the internal air pressure of the vacuum storage tank 14 is consistent with the external atmospheric pressure, the sludge pump inlet valve 47 and the sludge pump 52 are started, and the biological sludge accumulated in the vacuum storage tank 14 is pumped to the sludge pool 12.
6. The exhaust valve 45 and the drain valve 46 of the gas-water separator 15 are both opened to drain accumulated water and stored gas inside the gas-water separator 15.
After all the operations are finished, the embodiment automatically returns to the initialization state of step 1, and enters the next cycle after the controller 6 collects the signal of the liquid level meter 21.
Claims (5)
1. The utility model provides a biological pond come-up mud vacuum suction collection device for sewage treatment, includes technology reaction tank (11) and sludge impoundment (12), and at least two subsubponds (111) are separated into in technology reaction tank (11), and one side in technology reaction tank (11), characterized by are located in sludge impoundment (12): also comprises a floating mud collecting tank (13), a vacuum storage tank (14), a gas-water separator (15), a liquid level meter (21), a vacuum pressure switch (22), a mud discharging pipe (31), a mud-water mixing pipeline (32), a steam conveying pipeline (33), a mud conveying pipeline (34), an inlet valve (41), a vacuum breaking valve (42), a vacuum pump inlet valve (43), a vacuum pump outlet valve (44), an exhaust valve (45), a drain valve (46), a sludge pump inlet valve (47), a vacuum pump (51), a sludge pump (52) and a controller (6),
the number of the floating mud collecting tanks (13) is equal to that of the sub-tanks (111), each floating mud collecting tank (13) is fixed on the inner side wall of the water outlet side of one sub-tank (111) through a support, the notches of each floating mud collecting tank (13) are flush with the liquid level in the sub-tanks (111), a liquid level meter (21) is arranged in each floating mud collecting tank (13), the mud discharging ports at the bottoms of the floating mud collecting tanks (13) are connected with a mud-water mixing pipeline (32) through mud discharging pipes (31), the other end of the mud-water mixing pipeline (32) is connected with a vacuum storage tank (14), and inlet valves (41) are connected in series on the mud-water mixing pipeline (32);
the top of the vacuum storage tank (14) is provided with a vacuum breaking valve (42) and a steam outlet, a vacuum pressure switch (22) is arranged in the vacuum storage tank (14), the steam outlet at the top of the vacuum storage tank (14) is connected with a steam inlet at the top of the gas-water separator (15) through a steam transmission pipeline (33), a vacuum pump inlet valve (43), a vacuum pump (51) and a vacuum pump outlet valve (44) are sequentially connected in series on the steam transmission pipeline (33) along the direction from the vacuum storage tank (14) to the gas-water separator (15), a sludge outlet at the bottom of the vacuum storage tank (14) is connected with a sludge pool (12) through a sludge transmission pipeline (34), and a sludge pump inlet valve (47) and a sludge pump (52) are sequentially connected in series on the sludge transmission pipeline (34);
an exhaust valve (45) is arranged at the top of the gas-water separator (15), and a drain valve (46) is arranged at the bottom of the gas-water separator (15);
the controller (6) is respectively connected with the liquid level meter (21), the vacuum pressure switch (22), the vacuum pump (51) and the sludge pump (52) through signal lines.
2. The floating sludge vacuum suction collection device of the biological pool for sewage treatment as claimed in claim 1, which is characterized in that: the floating mud collecting tank (13) is a combination of an upper cylindrical shape and a lower conical shape, the conical bottom surface is the same as the cylindrical bottom surface, and the conical shape is attached and fixed on the cylindrical bottom surface by the bottom surface, so that the floating mud collecting tank (13) with the other cylindrical bottom surface upward and the conical vertex downward is formed.
3. The biological pond floating sludge vacuum suction collection device for sewage treatment according to claim 1 or 2, characterized in that: the sludge pump (52) is of a dry type and is not blocked.
4. The biological pond floating sludge vacuum suction collection device for sewage treatment according to claim 1 or 2, characterized in that: the controller (6) is a single chip microcomputer or a programmable controller.
5. The floating sludge vacuum suction collection device of the biological pool for sewage treatment as claimed in claim 3, which is characterized in that: the controller (6) is a single chip microcomputer or a programmable controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121943129.8U CN216890272U (en) | 2021-08-18 | 2021-08-18 | Biological tank floating sludge vacuum suction and collection device for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121943129.8U CN216890272U (en) | 2021-08-18 | 2021-08-18 | Biological tank floating sludge vacuum suction and collection device for sewage treatment |
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| Publication Number | Publication Date |
|---|---|
| CN216890272U true CN216890272U (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121943129.8U Active CN216890272U (en) | 2021-08-18 | 2021-08-18 | Biological tank floating sludge vacuum suction and collection device for sewage treatment |
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| CN (1) | CN216890272U (en) |
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2021
- 2021-08-18 CN CN202121943129.8U patent/CN216890272U/en active Active
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