CN112358062A - Environment-friendly power plant wastewater purification system based on PLC - Google Patents
Environment-friendly power plant wastewater purification system based on PLC Download PDFInfo
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- CN112358062A CN112358062A CN202011214493.0A CN202011214493A CN112358062A CN 112358062 A CN112358062 A CN 112358062A CN 202011214493 A CN202011214493 A CN 202011214493A CN 112358062 A CN112358062 A CN 112358062A
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- filter box
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- connecting pipe
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention relates to the technical field of wastewater purification, and discloses an environment-friendly power plant wastewater purification system based on a PLC (programmable logic controller), which comprises a base, and an adjusting tank, a clarification tank and a filter box which are arranged on the upper surface of the base, wherein the adjusting tank and the clarification tank are connected through a first connecting pipe, the clarification tank and the filter box are connected through a second connecting pipe, a support plate is horizontally and fixedly arranged in the filter box, a quartz sand filter layer, a pebble material layer and a biological activated carbon layer are sequentially arranged on the upper surface of the support plate from top to bottom, a plurality of uniformly distributed water leakage holes are formed in the upper surface of the support plate, a water pump is fixedly arranged at the bottom of the filter box, a third connecting pipe is fixedly arranged at the output end of the water pump, and the other end of the third connecting pipe penetrates through the outer surface of the filter box and is communicated with the top. The invention is easy to control, can ensure that the wastewater meets the discharge standard and meets the modern environmental protection requirement.
Description
Technical Field
The invention relates to the technical field of wastewater purification, in particular to an environment-friendly power plant wastewater purification system based on a PLC.
Background
The thermal power plant is a large water user, the water consumption of the thermal power plant accounts for more than 50% of the total amount of industrial water in China, and the wastewater discharge amount of the thermal power plant is huge and mainly comprises circulating water sewage, desulfurization wastewater, domestic wastewater and the like. Therefore, how to treat the desulfurization wastewater to realize zero emission and achieve the protection of the surrounding ecological environment and the physical health of people becomes an important subject of wastewater treatment. At present, the defects that real zero emission cannot be realized or control is complex and the like exist in the wastewater treatment of a power plant, so that the wastewater emission of the power plant does not meet the modern environmental protection requirement.
Be CN206089348U at patent number, disclose a clean system for power plant's waste water, including equalizing basin, depositing reservoir, bioactive carbon bed, anion exchange column, evaporation crystallization device, condenser and plate and frame filter press, the import and the waste water discharge union coupling of equalizing basin, the export of equalizing basin with the import of depositing reservoir passes through the pipe connection, the export of depositing reservoir passes through the pipe connection the import of bioactive carbon bed, the export of bioactive carbon bed passes through the pipe connection the import of anion exchange column, the export of anion exchange column passes through the pipe connection the water inlet of evaporation crystallization device, the vapor outlet of evaporation crystallization device passes through the pipe connection condenser, the crystal water exit linkage plate and frame filter press of evaporation crystallization device.
The following drawbacks exist in this solution:
first, control of wastewater treatment is not easy;
second, the treatment of wastewater does not completely meet the discharge standards.
Disclosure of Invention
The invention aims to solve the problem that the wastewater treatment of a power plant in the prior art cannot realize real zero discharge, so that the wastewater discharge of the power plant does not meet the modern environmental protection requirement, and provides an environment-friendly power plant wastewater purification system based on a PLC.
In order to achieve the purpose, the invention adopts the following technical scheme:
an environment-friendly power plant wastewater purification system based on PLC comprises a base, and an adjusting tank, a clarification tank and a filter box which are arranged on the upper surface of the base, wherein the adjusting tank and the clarification tank are connected through a first connecting pipe, the clarification tank and the filter box are connected through a second connecting pipe, a support plate is horizontally and fixedly arranged in the filter box, a quartz sand filter layer, a pebble material layer and a bioactive carbon layer are sequentially arranged on the upper surface of the support plate from top to bottom, a plurality of uniformly distributed water leakage holes are formed in the upper surface of the support plate, a water pump is fixedly arranged at the bottom of the filter box, a third connecting pipe is fixedly arranged at the output end of the water pump, the other end of the third connecting pipe penetrates through the outer surface of the filter box and is communicated with the top of the right side wall of the filter box, a water quality detector is fixedly arranged at the bottom of the left side wall of the filter box, and a PLC control box is fixedly, the bottom intercommunication of rose box is provided with the drain pipe, the inside of rose box just is located the top of drain pipe is equipped with shutoff mechanism.
Preferably, the shutoff mechanism includes motor, lead screw, movable plate and shutoff piece, the level of movable plate is located the top of drain pipe, the upper surface both sides of movable plate all set up, two through screw hole and lead screw thread the upper and lower both ends of lead screw all are rotated through the lower surface of antifriction bearing and backup pad and the bottom of rose box and are connected, two the pole wall upside of lead screw all is fixed and is equipped with the belt pulley, two connect through belt transmission between the belt pulley, be located the right side the lower extreme of lead screw runs through to the bottom of rose box and with motor fixed connection, the motor is fixed to be set up in the bottom of rose box, the shutoff piece is fixed to be set up in the lower surface of movable plate and is the position with the drain pipe and corresponds.
Preferably, the blocking block is made of a rubber material.
Preferably, the diameter of the water leakage hole is smaller than that of the biological activated carbon layer.
Preferably, the quartz sand filter layer, the pebble material layer and the biological activated carbon layer are all arranged inside the filter box in an artificial laying mode.
Preferably, the lower surface of the base is fixedly provided with universal wheels.
Compared with the prior art, the invention provides an environment-friendly power plant wastewater purification system based on PLC, which has the following beneficial effects:
1. this environmental protection power plant wastewater purification system based on PLC through equalizing basin, depositing reservoir, rose box, first connecting pipe, second connecting pipe, backup pad, the hole that leaks, quartz sand filtering layer, cobble bed of material and the biological activity charcoal layer that is equipped with, can carry out purification treatment.
2. This environmental protection power plant wastewater purification system based on PLC, water pump through being equipped with, the third connecting pipe, water quality testing appearance, the PLC control box, the drain pipe, including a motor, an end cap, a controller, and a cover plate, the movable plate, the shutoff piece, belt pulley and belt, waste water after by purification treatment can be detected by water quality testing appearance when falling in the below of backup pad, when waste water is not conform to the emission requirement, water quality testing appearance is with signal feedback to the PLC control box, PLC control box control motor and water pump work, motor work can be stopped up the drain pipe and is avoided not conforming to the waste water that discharges and continue to go out, water pump work can pass through quartz sand filter layer once more with the waste water suction of backup pad below to the top of backup pad, the cobble bed of material and biological activity charcoal layer filter.
The part of the device which is not involved is the same as the prior art or can be realized by the prior art, the invention is easy to control, and can ensure that the waste water meets the discharge standard and meets the modern environmental protection requirement.
Drawings
FIG. 1 is a schematic structural diagram of a PLC-based wastewater purification system of an environmental protection power plant according to the present invention;
fig. 2 is an enlarged view of a portion a of fig. 1.
In the figure: the device comprises a base 1, an adjusting tank 2, a clarification tank 3, universal wheels 4, a filter box 5, a first connecting pipe 6, a second connecting pipe 7, a supporting plate 8, a water leakage hole 9, a quartz sand filter layer 10, a pebble material layer 11, a biological activated carbon layer 12, a water pump 13, a third connecting pipe 14, a water quality detector 15, a PLC (programmable logic controller) 16, a drain pipe 17, a motor 18, a screw rod 19, a movable plate 20, a plugging block 21, a belt pulley 22 and a belt 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Embodiment 1, referring to fig. 1, the PLC-based environmental protection power plant wastewater purification system includes a base 1, and an adjusting tank 2, a clarification tank 3 and a filter box 5 which are disposed on the upper surface of the base 1, the adjusting tank 2 and the clarification tank 3 are connected via a first connecting pipe 6, the clarification tank 3 and the filter box 5 are connected via a second connecting pipe 7, a support plate 8 is horizontally and fixedly disposed inside the filter box 5, a quartz sand filter layer 10, a pebble layer 11 and a bioactive carbon layer 12 are sequentially disposed on the upper surface of the support plate 8 from top to bottom, a plurality of uniformly distributed water leakage holes 9 are disposed on the upper surface of the support plate 8, a water pump 13 is fixedly disposed at the bottom of the filter box 5, a third connecting pipe 14 is fixedly disposed at the output end of the water pump 13, the other end of the third connecting pipe 14 penetrates through the outer surface of the filter box 5 and is communicated with the top of the right sidewall of the filter, the fixed water quality testing appearance 15 that is equipped with in left side wall bottom of rose box 5, the left side wall of rose box 5 has been seted up and has been fixedly equipped with PLC control box 16, and electric connection between PLC control box 16 and water quality testing appearance 15, motor 18 and the water pump 13, the bottom intercommunication of rose box 5 is provided with drain pipe 17, and the inside of rose box 5 and the top that is located drain pipe 17 are equipped with plugging mechanism.
Referring to fig. 2, in embodiment 2, on the basis of embodiment 1, the plugging mechanism includes a motor 18, screws 19, a moving plate 20 and a plugging block 21, the moving plate 20 is horizontally located above the drain pipe 17, both sides of the upper surface of the moving plate 20 are in threaded arrangement with the screws 19 through threaded holes, the upper and lower ends of the two screws 19 are rotatably connected with the lower surface of the support plate 8 and the bottom of the filter box 5 through rolling bearings, belt pulleys 22 are fixedly arranged on the upper sides of the rod walls of the two screws 19, the two belt pulleys 22 are in transmission connection through a belt 23, the lower end of the screw 19 located on the right side penetrates through the bottom of the filter box 5 and is fixedly connected with the motor 18, the motor 18 is fixedly arranged at the bottom of the filter box 5, and the plugging block 21 is fixedly arranged on the lower surface of the moving plate 20.
Referring to fig. 1, embodiment 3 is based on embodiment 1, and its block 21 is made of rubber material.
Referring to fig. 1, in example 4, the diameter of the water leakage hole 9 is smaller than that of the bioactive carbon layer 12 based on example 1.
Referring to fig. 1, in example 5, on the basis of example 1, a quartz sand filter layer 10, a pebble material layer 11 and a biological activated carbon layer 12 are all arranged inside a filter box 5 in a manner of artificial laying.
Referring to fig. 1, in embodiment 6, in addition to embodiment 1, universal wheels 4 are fixed to the lower surface of a base 1.
Embodiment 7 referring to fig. 1-2, the PLC-based environmental protection power plant wastewater purification system includes a base 1, and an adjusting tank 2, a clarification tank 3 and a filter tank 5 disposed on the upper surface of the base 1, the adjusting tank 2 and the clarification tank 3 are connected via a first connecting pipe 6, the clarification tank 3 and the filter tank 5 are connected via a second connecting pipe 7, a support plate 8 is horizontally and fixedly disposed inside the filter tank 5, a quartz sand filter layer 10, a pebble layer 11 and a bioactive carbon layer 12 are sequentially disposed on the upper surface of the support plate 8 from top to bottom, a plurality of uniformly distributed water leakage holes 9 are disposed on the upper surface of the support plate 8, a water pump 13 is fixedly disposed at the bottom of the filter tank 5, a third connecting pipe 14 is fixedly disposed at the output end of the water pump 13, the other end of the third connecting pipe 14 penetrates through the outer surface of the filter tank 5 and is communicated with the top of the right sidewall of the filter tank 5, a water quality detector 15 is fixedly arranged at the bottom of the left side wall of the filter box 5, a PLC control box 16 is fixedly arranged on the left side wall of the filter box 5, a drain pipe 17 is communicated with the bottom of the filter box 5, and a blocking mechanism is arranged in the filter box 5 and above the drain pipe 17;
the plugging mechanism comprises a motor 18, a screw rod 19, a movable plate 20 and a plugging block 21, wherein the movable plate 20 is horizontally positioned above the drain pipe 17, two sides of the upper surface of the movable plate 20 are both in threaded arrangement with the screw rod 19 through threaded holes, the upper ends and the lower ends of the two screw rods 19 are both in rotary connection with the lower surface of the support plate 8 and the bottom of the filter box 5 through rolling bearings, belt pulleys 22 are fixedly arranged on the upper sides of the rod walls of the two screw rods 19, the two belt pulleys 22 are in transmission connection through a belt 23, the lower end of the screw rod 19 positioned on the right side penetrates through the bottom of the filter box 5 and is fixedly connected with the motor 18, the motor 18 is fixedly arranged at the bottom of the filter box 5, and the plugging block 21 is; the plugging block 21 is made of rubber material; the diameter of the water leakage hole 9 is smaller than that of the biological activated carbon layer 12; the quartz sand filtering layer 10, the pebble material layer 11 and the biological activated carbon layer 12 are all arranged inside the filtering box 5 in a manual laying mode; the lower surface of the base 1 is fixedly provided with universal wheels 4.
When the wastewater treatment device is used, wastewater can be regulated and clarified through the regulating tank 1 and the clarifying tank 2, the wastewater after treatment is discharged into the filter box 5 and is purified and filtered through the quartz sand filter layer 10, the pebble material layer 11 and the biological activated carbon layer 12, the purified wastewater can be detected by the water quality detector 15 when falling below the support plate 8, when the wastewater does not meet the discharge requirement, the water quality detector 15 feeds signals back to the PLC control box 16, the PLC control box 16 controls the motor 18 and the water pump 13 to work, the motor 18 can drive the two lead screws 19 to rotate, the two lead screws 19 can push the moving plate 20 to move downwards and plug the drain pipe 17 through the plugging block 21, the wastewater which does not meet the discharge requirement is prevented from continuing to be discharged, the water pump can pump the wastewater below the support plate 8 into the upper part of the support plate 8 and then passes through the quartz sand filter layer 10, The pebble material layer 11 and the biological activated carbon layer 12 are purified and filtered until the waste water meets the discharge standard, namely, a drain pipe 17 is opened for discharging.
Compared with the prior art, the scheme is easy to control the treatment of the wastewater, can ensure that the wastewater meets the discharge standard and meets the modern environmental protection requirement.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides an environmental protection power plant wastewater purification system based on PLC, includes base (1) and setting up equalizing basin (2), depositing reservoir (3) and rose box (5) at base (1) upper surface, its characterized in that, be connected through first connecting pipe (6) and set up between equalizing basin (2) and depositing reservoir (3), be connected through second connecting pipe (7) and set up between depositing reservoir (3) and rose box (5), the inside level of rose box (5) is fixed and is equipped with backup pad (8), the upper surface of backup pad (8) is from last to being equipped with quartz sand filtering layer (10), cobble bed of material (11) and biological activated carbon layer (12) down in proper order, a plurality of evenly distributed's hole of leaking (9) have been seted up to the upper surface of backup pad (8), the bottom of rose box (5) is fixed and is equipped with water pump (13), the output of water pump (13) is fixed and is equipped with third connecting pipe (14), the other end of third connecting pipe (14) runs through to the outward appearance of rose box (5) and sets up with the right side wall top intercommunication of rose box (5), the fixed water quality testing appearance (15) that are equipped with in left side wall bottom of rose box (5), the left side wall of rose box (5) has been seted up fixedly and has been equipped with PLC control box (16), the bottom intercommunication of rose box (5) is provided with drain pipe (17), the inside of rose box (5) just is located the top of drain pipe (17) is equipped with the shutoff mechanism.
2. The PLC-based environment-friendly power plant wastewater purification system according to claim 1, wherein the plugging mechanism comprises a motor (18), a screw rod (19), a movable plate (20) and a plugging block (21), the movable plate (20) is horizontally arranged above the drain pipe (17), two sides of the upper surface of the movable plate (20) are in threaded arrangement with the screw rod (19) through threaded holes, the upper and lower ends of the two screw rods (19) are in rotational connection with the lower surface of the support plate (8) and the bottom of the filter box (5) through rolling bearings, belt pulleys (22) are fixedly arranged on the upper sides of the rod walls of the two screw rods (19), the two belt pulleys (22) are in transmission connection through a belt (23), the lower end of the screw rod (19) on the right side penetrates through the bottom of the filter box (5) and is fixedly connected with the motor (18), the motor (18) is fixedly arranged at the bottom of the filter box (5), and the blocking block (21) is fixedly arranged on the lower surface of the moving plate (20) and corresponds to the drain pipe (17) in position.
3. The PLC-based environmental protection power plant wastewater purification system according to claim 2, wherein the plugging block (21) is made of rubber material.
4. The PLC-based environmental protection power plant wastewater purification system according to claim 1, wherein the diameter of the water leakage hole (9) is smaller than that of the biological activated carbon layer (12).
5. The PLC-based (programmable logic controller-based) environmental protection power plant wastewater purification system is characterized in that the quartz sand filter layer (10), the pebble material layer (11) and the biological activated carbon layer (12) are arranged inside the filter box (5) in a manual laying mode.
6. The PLC-based (programmable logic controller-based) environmental protection power plant wastewater purification system is characterized in that universal wheels (4) are fixedly arranged on the lower surface of the base (1).
7. The PLC-based environmental protection power plant wastewater purification system according to claim 1, wherein the adjusting tank (2) and the clarification tank (3) are connected through a first connecting pipe (6), the clarification tank (3) and the filter box (5) are connected through a second connecting pipe (7), a support plate (8) is horizontally and fixedly arranged inside the filter box (5), a quartz sand filter layer (10), a pebble material layer (11) and a biological activated carbon layer (12) are sequentially arranged on the upper surface of the support plate (8) from top to bottom, a plurality of uniformly distributed water leakage holes (9) are formed in the upper surface of the support plate (8), a water pump (13) is fixedly arranged at the bottom of the filter box (5), a third connecting pipe (14) is fixedly arranged at the output end of the water pump (13), and the other end of the third connecting pipe (14) penetrates through the outer surface of the filter box (5) and is communicated with the top of the right side wall of the filter box (5), a water quality detector (15) is fixedly arranged at the bottom of the left side wall of the filter box (5), a PLC control box (16) is fixedly arranged on the left side wall of the filter box (5), a drain pipe (17) is communicated with the bottom of the filter box (5), and a plugging mechanism is arranged in the filter box (5) and above the drain pipe (17);
the plugging mechanism comprises a motor (18), screw rods (19), a movable plate (20) and plugging blocks (21), wherein the movable plate (20) is horizontally arranged above the drainage pipe (17), two sides of the upper surface of the movable plate (20) are in threaded arrangement with the screw rods (19) through threaded holes, the upper ends and the lower ends of the two screw rods (19) are in rotating connection with the lower surface of a support plate (8) and the bottom of a filter box (5) through rolling bearings, belt pulleys (22) are fixedly arranged on the upper sides of the rod walls of the two screw rods (19), the two belt pulleys (22) are in transmission connection through a belt (23), the lower end of the screw rod (19) is positioned on the right side, penetrates through the bottom of the filter box (5) and is fixedly connected with the motor (18), the motor (18) is fixedly arranged at the bottom of the filter box (5), the plugging blocks (21) are fixedly arranged on the lower surface of the movable plate (20) and are in position corresponding arrangement with the, the blocking block (21) is made of rubber materials, the diameter of the water leakage hole (9) is smaller than that of the biological activated carbon layer (12), the quartz sand filtering layer (10), the pebble material layer (11) and the biological activated carbon layer (12) are all arranged inside the filtering box (5) in an artificial laying mode, and the lower surface of the base (1) is fixed with universal wheels (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011214493.0A CN112358062A (en) | 2020-11-04 | 2020-11-04 | Environment-friendly power plant wastewater purification system based on PLC |
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Application Number | Priority Date | Filing Date | Title |
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CN202011214493.0A CN112358062A (en) | 2020-11-04 | 2020-11-04 | Environment-friendly power plant wastewater purification system based on PLC |
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CN112358062A true CN112358062A (en) | 2021-02-12 |
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CN202011214493.0A Withdrawn CN112358062A (en) | 2020-11-04 | 2020-11-04 | Environment-friendly power plant wastewater purification system based on PLC |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114777032A (en) * | 2022-04-19 | 2022-07-22 | 张明莉 | Water conservancy water and electricity detection autoalarm that leaks |
-
2020
- 2020-11-04 CN CN202011214493.0A patent/CN112358062A/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114777032A (en) * | 2022-04-19 | 2022-07-22 | 张明莉 | Water conservancy water and electricity detection autoalarm that leaks |
CN114777032B (en) * | 2022-04-19 | 2024-05-14 | 张明莉 | Automatic alarm device for water conservancy and hydropower leakage detection |
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Application publication date: 20210212 |