Defoaming charge device of industrial wastewater treatment
Technical Field
The utility model relates to a feeding device of industrial sewage belongs to industrial wastewater service technical field, especially an industrial wastewater treatment's defoaming charge device.
Background
At present, a large amount of heavy metal degradation-resistant wastewater is generated in the processes of electronic electroplating, mechanical processing, spraying printing and dyeing, petrochemical industry, pharmaceutical processing, garbage treatment and the like in China. The treatment of this kind of waste water generally adopts biology, chemical process, all can relate to the throwing link of medicament, and because of sewage composition is complicated changeable, produces a large amount of foams in whole sewage treatment in-process along with, if not handle in time and can influence entire system's normal operating, consequently adopts the sewage treatment plant of defoaming medicine two unifications to produce important influence to the continuous, stable operation of entire system.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the utility model aims to provide an industrial wastewater treatment's defoaming charge device aiming at the deficiencies in the prior art.
The utility model provides a technical scheme that its technical problem adopted is: a defoaming and dosing device for industrial wastewater treatment comprises an industrial wastewater incoming water pipeline, an industrial raw material pipeline, and a reagent tank, namely a defoaming and dosing device for industrial wastewater treatment, which comprises an industrial wastewater incoming water pipeline, an industrial raw material pipeline, a reagent tank, an industrial defoaming agent pipeline, a defoaming agent tank and a reaction tank; the industrial wastewater incoming water pipeline is connected with the reaction tank; the industrial raw material pipelines are provided with a plurality of pipelines and are connected with the medicament tank; the industrial defoaming agent pipeline is connected with the defoaming agent tank; the agent tank is connected with a raw material output pipeline, and the defoaming agent tank is connected with a defoaming agent output pipeline; the raw material output pipeline and the defoaming agent output pipeline are connected with the reaction tank through a first three-way electromagnetic valve, a first lifting pump and a second three-way electromagnetic valve, and the outside of the reaction tank is connected with a reaction tank water outlet pipe and a sewage return pipe.
The top of the medicament tank is provided with a first liquid level meter, and a first stirring paddle is arranged in the medicament tank; and a second lifting pump is arranged between the industrial raw material pipeline and the medicament tank.
The top of the defoaming agent tank is provided with a second liquid level meter, and a second stirring paddle is arranged in the defoaming agent tank; and a third lifting pump is arranged between the defoaming agent tank and the industrial defoaming agent pipeline.
A rotary base is arranged on one side of the top of the reaction tank, and a rotary sprayer is arranged on the rotary base through a mounting rack; and a foam sensor is arranged on the other side of the top of the reaction tank.
The rotary sprayer comprises a water delivery pipe and a water spraying pipe; the water spraying pipe is connected with the water conveying pipe; the water spraying pipe is provided with a plurality of spraying heads.
The outside of the first lift pump is connected with a flowmeter, the flowmeter and the second three-way electromagnetic valve, and the second three-way electromagnetic valve is connected with the water delivery pipe.
The water quality detection alarm instrument is arranged on the water outlet pipe of the reaction tank and is connected with a third three-way electromagnetic valve, one side of the third three-way electromagnetic valve is connected with the water outlet pipe, and the other side of the third three-way electromagnetic valve enters the rotary sprayer through a fourth lift pump, a sewage return pipe and a second three-way electromagnetic valve.
And valves are arranged on the industrial wastewater inlet pipeline, the industrial raw material pipeline and the industrial defoaming agent pipeline.
The agent tank and the raw material output pipeline are provided with a first switch valve, and the defoaming agent tank and the defoaming agent output pipeline are provided with a second switch valve.
The first switch valve and the second switch valve are both solenoid valves.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the medicament jar is used for storing the defoaming agent, and quick start when producing a large amount of foams in the reaction tank effectively reduces the interior foam of reaction tank, ensures system normal operating.
2. If the quality of sewage after this device is handled is higher than local quality of water emission standard, and have the foam to produce in the reaction tank but do not influence under the prerequisite of system normal operating, adopt the mode of water backward flow to add the interior secondary treatment that carries out of discharging water through the spray thrower in the reaction tank, meanwhile, this sewage adopts the mode that sprays can effectively reduce the interior foam of pond, the in service behavior of greatly reduced defoaming agent, effectively reduce the medicament cost.
3. The device can realize the free switching of defoaming and dosing links according to actual demands, and the automation of the whole operation is realized by the control of external equipment. Effectively saving a large amount of labor cost.
4. The rotary sprayer is firmly fixed above the reaction tank through the rotary base, and the connection part of the rotary base and the rotary sprayer and the sprayer can be controlled by the outside to realize 360-degree rotation. Therefore, the rotary sprayer is adopted to replace the traditional feeding pipeline to feed the medicament into the reaction tank, the medicament utilization rate is improved to the maximum extent, and the full and complete spraying of the defoaming agent is ensured.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, a defoaming and dosing device for industrial wastewater treatment comprises an industrial wastewater incoming water pipeline 1, an industrial raw material pipeline, and a reagent tank, a defoaming and dosing device for industrial wastewater treatment comprises an industrial wastewater incoming water pipeline 1, an industrial raw material pipeline, a reagent tank 9, an industrial defoaming agent pipeline 13, a defoaming agent tank 16 and a reaction tank 30; the industrial wastewater inlet pipeline 1 is connected with the reaction tank 30; the industrial raw material pipelines are provided with a plurality of pipelines and are connected with the medicament tank 9; the industrial defoamer pipeline 13 is connected with the defoamer tank 16; the chemical tank 9 is connected with a raw material output pipeline 12, and the defoaming agent tank 16 is connected with a defoaming agent output pipeline 19; the raw material output pipeline 12 and the defoaming agent output pipeline 19 are connected with the reaction tank 30 through a first three-way electromagnetic valve 20, a first lift pump 21 and a second three-way electromagnetic valve 23, and the outside of the reaction tank 30 is connected with a reaction tank water outlet pipe 31 and a sewage return pipe 36.
The top of the medicament tank 9 is provided with a first liquid level meter 8, and a first stirring paddle 10 is arranged in the medicament tank; a second lift pump 7 is arranged between the industrial raw material pipeline and the medicament tank 9. Wherein, the industrial raw material pipeline is provided with two, be first industrial raw material pipeline 3 and second industrial raw material pipeline 5 respectively.
The top of the defoaming agent tank 16 is provided with a second liquid level meter 15, and a second stirring paddle 17 is arranged in the defoaming agent tank; a third lift pump 37 is provided between the defoaming agent tank 16 and the industrial defoaming agent line 13.
A rotary base 25 is arranged on one side of the top of the reaction tank 30, and a rotary sprayer 28 is arranged on the rotary base 25 through a mounting rack 26; the other side of the top of the reaction tank 30 is provided with a foam sensor 29.
The rotary sprayer 28 comprises a water conveying pipe 24 and a water spraying pipe 27; the water spraying pipe 27 is connected with the water conveying pipe 24; a plurality of spray heads are arranged on the water spray pipe 27; this device will replace original traditional filling tube with the rotatory spray thrower that can 360 rotations, makes whole spraying process more abundant, effectively alleviates water treatment system pressure.
The exterior of the first lift pump 21 is connected with a flow meter 22, the flow meter 22 and the second three-way electromagnetic valve 23, and the second three-way electromagnetic valve 23 is connected with the water delivery pipe 24.
The water quality detection alarm instrument 32 is arranged on the water outlet pipe 31 of the reaction tank, the water quality detection alarm instrument 32 is connected with a third three-way electromagnetic valve 33, one side of the third three-way electromagnetic valve 33 is connected with a water outlet pipe 34, and the other side of the third three-way electromagnetic valve 33 enters the rotary sprayer 28 through a fourth lift pump 35, a sewage return pipe 36 and a second three-way electromagnetic valve 23.
Valves are arranged on the industrial wastewater inlet pipeline 1, the industrial raw material pipeline and the industrial defoamer pipeline 13; wherein, a first valve 2 is arranged on the industrial wastewater inlet pipeline 1, a second valve 4 is arranged on the first industrial raw material pipeline 3, and a third valve 6 is arranged on the second industrial raw material pipeline; the industrial defoamer pipeline 13 is provided with a fourth valve 14.
The medicament tank 9 and the raw material output pipeline 12 are provided with a first switch valve 11, and the defoaming agent tank 16 and the defoaming agent output pipeline 19 are provided with a second switch valve 18.
The first switch valve 11 and the second switch valve 18 are both solenoid valves.
The device ensures normal liquid level in the medicament tank before use and has no liquid leakage phenomenon. And opening the second lifting pump 7 and the third lifting pump 37, opening the second valve 4, the third valve 6 and the fourth valve 14 as required for adding the medicament, and fully mixing under the action of the stirring paddle. Subsequently, the first on-off valve 11 or the second on-off valve 18, or both the first on-off valve 11 and the second on-off valve 18 are opened, and the first three-way solenoid valve 20, the first lift pump 21, the flow meter 22, and the second three-way solenoid valve 23 are kept open. It is determined how to use the third three-way solenoid valve 33 and whether to turn on the fourth lift pump 35, as needed. At the same time, whether to open the first valve 2 is selected according to the wastewater treatment condition.
When the device is used, the raw material output pipeline 12 and the defoaming agent output pipeline 19 are controlled by the first three-way electromagnetic valve 20 to enter a subsequent process, the first lift pump 21 is externally connected with the flowmeter 22 and the second three-way electromagnetic valve 23, the second three-way electromagnetic valve 23 is connected with the water conveying pipe 24 of the sprayer, the rotating base 25 is arranged at the top of the reaction tank 30 and used for fixing the rotatable sprayer 28, the foam sensor 29 is arranged on the other side of the top of the reaction tank 30, and an alarm is given after the foam in the reaction tank exceeds a normal value. The treated wastewater flows out through a water outlet pipeline 31 of the reaction tank and enters a water quality detection alarm 32 for detection, and if the water quality reaches the standard, a water outlet pipe 34 connected with a third three-way electromagnetic valve 33 is connected with subsequent equipment; if the wastewater does not reach the standard, the wastewater enters the rotatable sprayer 28 through the wastewater return pipeline 36 and the second three-way electromagnetic valve 23 by the fourth lift pump 35 for secondary treatment.
When the device is shut down, the second three-way solenoid valve 23, the first lift pump 21, the flow meter 22, the first three-way solenoid valve 20, the first switch valve 11, the second switch valve 18, the second lift pump and the third lift pump 37 need to be shut down in sequence. The shutdown process of the device is completed.
The three-way electromagnetic valve of the device is connected with external control equipment to realize the free switching of the adding of raw materials and defoaming agent; the wastewater which does not reach the standard after being treated in the reaction tank adopts a sewage backflow spraying design, so that the foam in the tank is further reduced on the basis of secondary treatment, and the cost of manpower and material resources is greatly reduced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.