CN211111515U - Laboratory wastewater treatment equipment with air floatation device and precipitation device - Google Patents
Laboratory wastewater treatment equipment with air floatation device and precipitation device Download PDFInfo
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- CN211111515U CN211111515U CN201922139088.6U CN201922139088U CN211111515U CN 211111515 U CN211111515 U CN 211111515U CN 201922139088 U CN201922139088 U CN 201922139088U CN 211111515 U CN211111515 U CN 211111515U
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Abstract
The utility model provides a laboratory waste water treatment equipment from area air supporting device and sediment device, includes waste water adjusting device, acid-base neutralization apparatus, sediment device and the air supporting device that communicates each other, the air supporting device includes supersonic generator, barrel and scrapes foam mechanism, be provided with the division board in the air supporting device, the division board will the air supporting device internal partitioning is for mixing water tank and air supporting pond, supersonic generator and barrel setting in mixing water tank, the sealed and its lateral wall of going to the bottom of barrel has seted up a plurality of side openings, all has glued one deck waterproof ventilated membrane in every side opening, the both sides of waterproof ventilated membrane have all laminated hard otter board, every hard otter board all with barrel fixed connection, foam mechanism is scraped to air supporting pond upper portion installation, scrape foam mechanism and include drive assembly, drive assembly is connected with the rotation hinge, is provided with a plurality of arc scraper blade on the rotation hinge, the both sides of arc scraper blade are crooked forward and the bottom, the arc-shaped scraper is provided with a plurality of vertical through holes.
Description
Technical Field
The utility model relates to a waste water treatment equipment technical field especially relates to a from laboratory waste water treatment equipment of taking air supporting device and sediment device.
Background
At present, a large amount of waste water is often produced in the daily experimental process of a laboratory, the waste water is directly discharged without being treated to pollute the environment, and because the waste water discharge unit is small in the area for generally placing waste water treatment equipment, the waste water treatment capacity is poor.
Disclosure of Invention
The utility model aims to provide a laboratory wastewater treatment equipment with an air flotation device and a precipitation device for solving the problems.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a laboratory wastewater treatment device with an air flotation device and a precipitation device comprises a wastewater adjusting device, an acid-base neutralization device, a precipitation device and an air flotation device which are communicated with each other, wherein a liquid inlet pipeline is arranged on the outer side of the wastewater adjusting device, a perforated pre-aeration pipe is arranged at the bottom end inside the wastewater adjusting device, a fan is arranged on the outer side of the wastewater adjusting device, and the aeration fan is connected with the perforated pre-aeration pipe through a connecting pipe; a dosing device and a motor are arranged outside the acid-base neutralization device, the motor is connected with a frame-shaped structure stirring blade extending into the acid-base neutralization device, and an adsorption filter screen is arranged on the inner side of the stirring blade; the inside of the sedimentation device is provided with a pipeline mixer, a guide cylinder connected with the pipeline mixer and a flow baffle plate positioned below the guide cylinder, and the outside of the sedimentation device is provided with a flocculating agent injection device and a coagulant aid injection device which are connected with the pipeline mixer; the air supporting device includes supersonic generator, barrel and scrapes foam mechanism, be provided with the division board in the air supporting device, the division board will air supporting device internal partitioning is muddy water pond and air supporting pond, and supersonic generator and barrel setting have been seted up at muddy water pond in, and a plurality of side openings have been seted up to the sealed and its lateral wall of going to the bottom of barrel, and it has the waterproof ventilated membrane of one deck all to glue in every side opening, and the both sides of waterproof ventilated membrane are all laminated hard otter board, every hard otter board all with barrel fixed connection, air supporting pond upper portion is installed and is scraped foam mechanism, scrape foam mechanism and include drive assembly, drive assembly is connected with the rotation hinge, is provided with a plurality of arc scraper blades on the rotation hinge, the both sides of arc scraper blade are crooked forward and the bottom is provided with.
The utility model discloses compare with current waste water treatment equipment, use from the laboratory waste water treatment equipment who takes air supporting device and deposit the device to handle waste water, respectively constitute equipment small in quantity, area is little, the energy consumption is low, consequently the beneficial effects of the utility model are that: (1) the process is simple and convenient, and the purification effect is good; (2) the construction cost is low, and the operation cost is low; (3) and the management is convenient.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural view of a laboratory wastewater treatment facility with an air flotation device and a precipitation device according to a preferred embodiment of the present invention;
FIG. 2 is an enlarged, fragmentary, schematic view of the cartridge of FIG. 1;
FIG. 3 is a schematic view of the configuration of the arcuate flight of FIG. 1;
FIG. 4 is a block diagram showing the connection of parts of the laboratory wastewater treatment plant with the flotation device and the precipitation device of FIG. 1;
in the figure: 1. a wastewater conditioning device; 2. an acid-base neutralization device; 3. a precipitation device; 4. an air floatation device; 10. A liquid inlet pipeline; 102. a grid; 101. 210, 222, 232, 251, 342, 352, 481, electrically operated valves; 11. perforating a preaeration pipe; 12. an aeration fan; 13. a liquid level monitor; 14. an electric cabinet; 21. a liquid inlet pipe of the acid-base neutralization device; 22. a dosing device; 221. a medicine feeding pipe; 23. a water spraying device; 231. a water inlet pipe; 233. a water spray dispersion disc; 234. a nozzle; 24. a motor; 241. a rotating shaft; 242. stirring blades; 243. adsorbing a filter screen; 25. a drain pipe; 26. a temperature sensor; 261. an electric heating layer; 27. a pH meter; 28. a water pump; 281. a liquid outlet pipe of the acid-base neutralization device; 31. a pipeline mixer; 311. a pipe mixer outlet pipe; 32. a draft tube; 33. a flow baffle plate; 34. a flocculant injection device; 341. a flocculant inlet pipe; 35. a coagulant aid injection device; 351. a coagulant aid inlet pipe; 36. a liquid pump; 37. a liquid outlet pipe of the precipitation device; 38. a filter screen; 39. a liquid discharge pipe; 391. a self-priming pump; 40. a partition plate; 401. a water mixing tank; 402. an air floatation tank; 41. an ultrasonic generator; 42. a barrel; 421. a side hole; 422. a waterproof breathable film; 423. a hard mesh plate; 424. a soft screen plate; 425. a counterweight piston; 43. a guide plate; 44. a foam scraping mechanism; 441. rotating the hinge; 442. a squeegee; 443. a base plate; 444. a through hole; 445. a rotating seat; 446. a drive motor; 45. a foam collecting groove; 451. a vertical plate; 452. connecting plates; 453. a foam discharging port; 46. a sloping plate; 47. a sludge discharge hole; 48. and a water discharge pipe.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.
As shown in fig. 1 to 4, the laboratory wastewater treatment equipment with the air flotation device and the sedimentation device according to a preferred embodiment of the present invention sequentially comprises a wastewater adjusting device 1, an acid-base neutralization device 2, a sedimentation device 3, and an air flotation device 4, which are communicated with each other, according to the flow direction of wastewater. Pulleys 5 are arranged at the bottoms of the wastewater adjusting device 1 and the air floatation device 4, so that the wastewater adjusting device is convenient to move.
The top of the outer side wall of the wastewater adjusting device 1 is provided with an electric cabinet 14, the electric cabinet 14 is internally provided with a P L C controller, the outer side of the top end of the wastewater adjusting device 1 is provided with a liquid inlet pipeline 10, the liquid inlet pipeline 10 penetrates through the top end of the wastewater adjusting device 1 and extends into the wastewater adjusting device 1, external wastewater enters the wastewater adjusting device 1 through the liquid inlet pipeline 10, the liquid inlet pipeline 10 is connected with an electric valve 101, the opening and closing of the electric valve 101 and the flow of the water are controlled by the P L C controller, a grid 102 is arranged in the liquid inlet pipeline 10, the wastewater firstly passes through the grid 102 in the liquid inlet pipeline 10, floating objects and winding objects in the wastewater are removed, and then enters the wastewater adjusting device 1 to adjust the water quantity and homogenize the water quality.
The bottom end in the waste water adjusting device 1 is provided with a perforated pre-aeration pipe 11, the outer side wall of the waste water adjusting device 1 is provided with a fan 12, the aeration fan 12 is connected with the perforated pre-aeration pipe 11 through a connecting pipe, the aeration of the aeration fan 12 is controlled by a P L C controller, and the aeration fan adopts clearance aeration to stir underwater, so that the waste water is subjected to air oxidation treatment, on one hand, the suspended matters can be prevented from precipitating in the waste water adjusting device 1, on the other hand, certain sulfur dioxide can be removed, the dosage of a neutralizing agent is reduced, and the oxidation separation of harmful substances is.
The bottom of the side wall of the wastewater adjusting device 1 is communicated with the acid-base neutralization device 2 through an acid-base neutralization device liquid inlet pipe 21, an electric valve 210 is connected to the acid-base neutralization device liquid inlet pipe 21, and the opening and closing of the electric valve 210 and the flow rate of water are controlled by a P L C controller.
The device comprises a waste water adjusting device 1, a liquid level monitor 13, a P L C controller, a P L C controller, an electric valve 101, a P L C controller, an acid-base neutralization device liquid inlet pipe 21 and an acid-base neutralization device 2, wherein the liquid level monitor 13 is arranged on the outer side of the top end of the waste water adjusting device 1, the liquid level monitor 13 penetrates through the top end of the waste water adjusting device 1 and extends into the waste water adjusting device 1, the liquid level monitor 13 is used for monitoring the liquid level of waste water in the waste water adjusting device 1, when the liquid level of the waste water reaches a preset value, the liquid level monitor 13 transmits a monitoring signal to the P L C controller, the P L C controller controls the electric valve 101 on the liquid inlet.
The outer side of the top end of the acid-base neutralization device 2 is provided with a dosing device 22 which is internally filled with acid or alkaline liquid medicine, the dosing device 22 penetrates through the top end of the acid-base neutralization device 2 through a dosing pipe 221, the dosing pipe 221 is connected with an electric valve 222, and the opening and closing of the electric valve 222 and the flow rate of the medicine are controlled by a P L C controller.
The outer side of the top end of the acid-base neutralization device 2 is provided with a water spraying device 23, the water spraying device 23 penetrates through the top end of the acid-base neutralization device 2 through a water inlet pipe 231, the water inlet pipe 231 is connected with an electric valve 232, the opening and closing of the electric valve 232 and the flow of water are controlled by a P L C controller, one end of the water inlet pipe 231, which is positioned in the acid-base neutralization device 2, is connected with a water spraying dispersion disc 233, the water spraying dispersion disc 233 is positioned above the interior of the acid-base neutralization device 2, the lower surface of the water spraying dispersion disc 233 is uniformly provided with a plurality of nozzles 234, and the other end of the water inlet pipe 231.
The outer side of the top end of the acid-base neutralization device 2 is further provided with a motor 24, the output end of the bottom of the motor 24 is provided with a rotating shaft 241 extending into the acid-base neutralization device 2, the rotating shaft 241 is provided with a stirring blade 242, the stirring blade 242 is a frame-shaped stirring blade, the inner side of the frame-shaped stirring blade is provided with an adsorption filter screen 243, the motor 24 drives the stirring blade 242 and the adsorption filter screen 243 to rotate when in operation, liquid medicine in the medicine adding device 22 and waste water are fully stirred and mixed to generate acid-base neutralization reaction, the impurities in the waste water can be adsorbed by the rotating adsorption filter screen 243, the use reliability is improved, after the operation, the adhered impurities are cleaned by spraying water onto the adsorption filter screen 243 through a water spraying device 23, and the working process of the motor 24 is controlled by.
The outer side of the bottom end of the acid-base neutralization device 2 is provided with a drain pipe 25 for discharging the cleaned wastewater, the drain pipe 25 is connected with an electric valve 251, and the opening and the closing of the electric valve 251 and the flow rate of water are controlled by a P L C controller.
The temperature sensor 26 is arranged on the outer side of the bottom end of the acid-base neutralization device 2, the temperature sensor 26 is in communication connection with the P L C controller and used for sensing the temperature of liquid in the acid-base neutralization device 2 in real time, and then a sensed temperature signal is sent to the P L C controller, the electric heating layer 261 is arranged on the inner wall of the acid-base neutralization device 2, the P L C controller is in communication connection with the electric heating layer 261, and the P L C controller controls the temperature of the liquid heated by the electric heating layer 261 according to the temperature signal sensed by the temperature sensor 26.
The pH meter 27 is arranged on the inner side of the bottom end of the acid-base neutralization device 2 and used for monitoring the pH value of liquid in the acid-base neutralization device 2 on line, the P L C controller is in communication connection with the pH meter 27 and is convenient for monitoring the pH value of the liquid in real time, and the P L C controller controls acidic or alkaline liquid medicine in the medicine adding device 22 to be added into the acid-base neutralization device 2 through the medicine adding pipe 221 according to the pH value of the wastewater measured by the pH meter 27.
The bottom inboard of acid-base neutralization apparatus 2 is equipped with suction pump 28, suction pump 28 through acid-base neutralization apparatus drain pipe 281 with sediment device 3 is linked together, the exit end of acid-base neutralization apparatus drain pipe 281 runs through sediment device 3's lateral wall top and be located sediment device 3's inside top sets up.
The interior of the sedimentation device 3 is provided with a pipeline mixer 31, a guide cylinder 32 and a conical flow baffle 33.
One end of a liquid outlet pipe 281 of the acid-base neutralization device is connected with a water pump 28, and the other end of the liquid outlet pipe is connected with one end of a pipeline mixer 31. The other end of the pipeline mixer 31 is connected with the guide shell 32 through a pipeline mixer liquid outlet pipe 311. A baffle plate 33 is arranged under the guide shell 32.
The outer side of the top end of the sedimentation device 3 is provided with a flocculating agent injection device 34 and a coagulant aid injection device 35, the flocculating agent injection device 34 penetrates through the top end of the sedimentation device 3 through a flocculating agent inlet pipe 341 and is connected with the pipeline mixer 31, the coagulant aid injection device 3 penetrates through the top end of the sedimentation device 3 through a coagulant aid inlet pipe 351 and is connected with the pipeline mixer 31, the flocculating agent inlet pipe 341 and the coagulant aid inlet pipe 351 are respectively connected with electric valves 342 and 352, and the opening and closing of the electric valves 342 and 352 and the flow rate of the medicament are controlled by a P L C controller.
The wastewater enters the pipeline mixer 31 through a liquid outlet pipe 281 of the acid-base neutralization device, the flocculating agent and the coagulant aid enter the pipeline mixer 31 through a flocculating agent inlet pipe 341 and a coagulant aid inlet pipe 351 respectively, and the pipeline mixer 31 uniformly mixes the wastewater with the flocculating agent and the coagulant aid. The mixed liquor flows out of the pipeline mixer 31 through the guide cylinder 32 and the baffle plate 33 into the sedimentation device 3. The guide cylinder 32 and the baffle plate 33 are used for preventing the mixed liquid from sputtering and influencing the precipitation effect. In precipitation device 3, under the effect of flocculating agent and coagulant aid, waste water produces the flocculation sediment, and the flocculation sediment can adsorb some undissolved substance, effectively gets rid of insoluble matters such as heavy metal sediment in the waste water, and waste water is behind precipitation device 3's effect, and most heavy metal sediment and insoluble matter are clear away.
An extraction pump 36 is arranged on the inner side of the bottom end of the precipitation device 3, the extraction pump 36 is communicated with the air floatation device 4 through a precipitation device liquid outlet pipe 37, and the outlet end of the precipitation device liquid outlet pipe 37 penetrates through the upper part of the side wall of the air floatation device 4 and is positioned at the top end of the inner part of the air floatation device 4. The liquid pump 36 lifts the wastewater to be treated into the air flotation device 4. The inlet of the liquid pump 36 is provided with a filter screen 38, which can effectively intercept the sediment and larger insoluble substances in the wastewater.
And a liquid discharge pipe 39 is arranged outside the bottom end of the sedimentation device 3, a self-sucking pump 391 is connected to the liquid discharge pipe 39 and is used for discharging sediment at the bottom of the sedimentation device 3, and the opening and closing of the self-sucking pump 391 and the flow rate of the sediment are controlled by a P L C controller.
The air floating device 4 comprises an ultrasonic generator 41 and a cylinder 42. A partition plate 40 is arranged in the air flotation device 4, and the interior of the air flotation device 4 is divided into a water mixing tank 401 and an air flotation tank 402 by the partition plate 40. The ultrasonic generator 41 and the cylinder 42 are disposed in the water mixing tank 401.
The upper end of barrel 42 is higher than the liquid level of water mixing tank 401, supersonic generator 41 sets up the bottom at water mixing tank 401, the sealed and its lateral wall of lower base of barrel 42 has seted up a plurality of side holes 421, all there is a waterproof ventilated membrane 422 of one deck in every side hole 421, a hard otter board 423 has all been laminated to the both sides of waterproof ventilated membrane 422, every hard otter board 423 all with barrel 42 fixed connection, barrel 42 sets up the oblique top at supersonic generator 41, the sieve mesh size of hard otter board 423 is 20 meshes ~ 16 meshes, under this size, the bubble diameter of single effusion is about 1mm, the later stage soft otter board 424 of being convenient for of less bubble is smashed it into littleer miniature bubble, the sieve mesh dislocation set of the hard otter board 423 in waterproof ventilated membrane 422 both sides, barrel 42 top is provided with the pressure device of the inside atmospheric. The pressurizing means includes a weighted piston 425 sealingly slidably connected to the inner wall of the cylinder 42 for the purpose of maintaining a stable air pressure within the cylinder 42. The pressurizing device can increase the air pressure in the cylinder 42, so that the pressure at two sides of the waterproof breathable film 422 is approximately equal, i.e. the air in the cylinder 42 is at the critical point of passing through the waterproof breathable film 422 when no external force acts.
At least one layer of soft net plate 424 is glued in each side hole 421, the sieve pore size of the soft net plate 424 is 20-16 meshes, the soft net plate 424 is made of nylon net and is tightly glued in the side hole 421; a guide plate 43 is arranged below the outlet end of the liquid outlet pipe 37 of the sedimentation device (i.e. the water inlet end of the water mixing tank 401), and the guide plate 43 is obliquely arranged to guide the newly inflowing water flow to the ultrasonic generator 41.
The soft network board 424 of side opening 421 departments receives the ultrasonic wave influence also can produce high frequency vibration, the bubble is when soft network board 424, high frequency vibration's soft network board 424 can break into the miniature bubble that the diameter is littleer with the bubble, just can contact and adhere to each other with the suspended solid in the waste water after miniature bubble gets into mixing water tank 401, thereby make the suspended solid that suspends in mixing water tank 401 can be quick float on the upper water level, the later stage only needs to detach the superficial foam that floats at the surface of water and can accomplish the processing to the suspended solid in the waste water, consequently the utility model discloses large-scale air pump among the prior art has been saved, only select for use the less supersonic generator of power to accomplish the function of air supporting machine promptly, saves a large amount of energy, has obvious positive effect.
When the end of intaking of muddy water pond 401 flowed into the waste water that has the suspended, can flow near ultrasonic emitter 41 under the effect of deflector 43, ultrasonic generator 41 produces vibrations and drives the suspended solid quick vibrations of suspension to make the suspended solid disintegrate fast and form less structure, the comprehensive density after the crushing suspended solid after disintegrating is attached to with miniature bubble is littleer, so can be faster to the come-up to the surface of water.
Meanwhile, the micro-gas core cavitation bubbles in the liquid vibrate under the action of ultrasonic waves to form cavitation phenomena, and tens of thousands of micro-bubbles, namely cavitation bubbles, are generated. These cavitation bubbles grow in the negative pressure region formed by the longitudinal propagation of the ultrasonic waves, and rapidly close in the positive pressure region, thereby being compressed and stretched under alternating positive and negative pressures. At the moment when the cavitation bubbles are compressed to collapse, huge instantaneous pressure can be generated, generally reaching dozens of megapascals to hundreds of megapascals, and the huge instantaneous pressure can crush suspended matters which are not easy to disintegrate, so that the aim of crushing the suspended matters in water is further fulfilled.
It should be noted that the cavitation bubbles generated by the ultrasonic wave released from the ultrasonic generator 41 in the water body will also explode the micro bubbles escaping from the cylinder 42 into smaller micron-sized bubbles, so that the bubbles are more easily combined with the suspended matters in the water, and the treatment of the suspended matters in the wastewater is more thorough, and the working process of the ultrasonic generator 41 is controlled by the P L C controller.
The weighted piston 425 can slide up and down in the cylinder 42 in a sealing manner, the gas in the cylinder 42 can be reduced due to the fact that the gas in the cylinder 42 escapes outwards through the side hole 421, and the weighted piston 425 can move downwards under the action of the gravity of the weighted piston to keep the gas pressure in the cylinder 42 stable within a preset range. In addition to the use of the weighted piston 425 to continuously pressurize the cylinder 42, a pressure pump or other device may be used to pump air into the cylinder 42 to maintain the air pressure in the cylinder 42 stable.
The upper part of the air flotation tank 402 is provided with a foam scraping mechanism 44, the foam scraping mechanism 44 comprises a driving assembly, the driving assembly is connected with a rotating hinge 441, the rotating hinge 441 is provided with a plurality of arc-shaped scraping plates 442, two sides of the arc-shaped scraping plates 442 are bent forwards, the bottom of the arc-shaped scraping plates 442 is provided with a bottom plate 443, the arc-shaped scraping plates 442 are provided with a plurality of vertical through holes 444, the driving assembly comprises two rotating seats 445 arranged above the air flotation tank 402, the rotating hinge 441 is arranged on the rotating seats 445, the rotating seats 445 at one side are connected with a driving motor 446, and the working process of the driving motor 446 is controlled by P L C.
The side wall of the air flotation tank 402 is provided with a foam collecting groove 45, the foam collecting groove 45 comprises a vertical plate 451 and a connecting plate 452 connected with the side wall, the outer side wall of the air flotation tank 402 is provided with a foam discharging port 453, the foam discharging port 453 is positioned above the connecting plate 452 and is communicated with the foam collecting groove 45, the foam scraped by the foam scraping mechanism 44 falls into the foam collecting groove 45, and the foam flows out from the foam discharging port 453.
The both sides bending of arc scraper 442 can promote the froth of both sides to the place ahead, is provided with vertical through-hole 444 and also can reduces the resistance to the froth of arc scraper 442, avoids pushing away the froth and piles up in both sides, can push into collection foam groove 45 completely with the froth, is provided with bottom plate 443 and can drag for the froth totally, can scrape more foams off, has reduced the surface of water on the foam and has remained for water purification effect is better.
The bottom of the air flotation tank 402 is provided with an inclined plate 46 inclined to one side, the side wall of the air flotation tank 402 is provided with a plurality of sludge discharge holes 47, and the sludge discharge holes 47 are positioned on one inclined side of the inclined plate 46. Sludge in the wastewater is deposited at the bottom of the floatation tank 402, and the inclined plate 46 conveys the sludge to the sludge discharge hole 47, so that the sludge is conveniently discharged to clean the floatation tank 402.
The bottom of the outer side wall of the air flotation tank 402 is provided with a water drainage pipe 48, the water drainage pipe 48 is connected with an electric valve 481, the opening and closing of the electric valve 481 and the flow rate of water are controlled by a P L C controller, and wastewater is treated in the air flotation device 4 and then is discharged through the water drainage pipe 48.
The wastewater adjusting device 1, the acid-base neutralizing device 2, the precipitating device 3 and the air floating device 4 are combined into an integrated structure, so that the occupied area of equipment is reduced, the equipment is convenient to move, and the treatment capacity of the equipment on wastewater can be increased in the same area. The utility model discloses compare with current waste water treatment equipment, use from the laboratory waste water treatment equipment who takes air supporting device and deposit the device to handle waste water, respectively constitute equipment small in quantity, area is little, the energy consumption is low, consequently the beneficial effects of the utility model are that: (1) the process is simple and convenient, and the purification effect is good; (2) the construction cost is low, and the operation cost is low; (3) and the management is convenient.
The above descriptions of the embodiments of the present invention that are not related to the present invention are well known in the art, and can be implemented by referring to the well-known technologies.
In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a from laboratory waste water treatment equipment of taking air supporting device and sediment device which characterized in that: the device comprises a wastewater adjusting device, an acid-base neutralization device, a precipitation device and an air floatation device which are communicated with each other, wherein a liquid inlet pipeline is arranged outside the wastewater adjusting device, a perforated pre-aeration pipe is arranged at the bottom end inside the wastewater adjusting device, a fan is arranged outside the wastewater adjusting device, and the aeration fan is connected with the perforated pre-aeration pipe through a connecting pipe; a dosing device and a motor are arranged outside the acid-base neutralization device, the motor is connected with a frame-shaped structure stirring blade extending into the acid-base neutralization device, and an adsorption filter screen is arranged on the inner side of the stirring blade; the inside of the sedimentation device is provided with a pipeline mixer, a guide cylinder connected with the pipeline mixer and a flow baffle plate positioned below the guide cylinder, and the outside of the sedimentation device is provided with a flocculating agent injection device and a coagulant aid injection device which are connected with the pipeline mixer; the air supporting device includes supersonic generator, barrel and scrapes foam mechanism, be provided with the division board in the air supporting device, the division board will air supporting device internal partitioning is muddy water pond and air supporting pond, and supersonic generator and barrel setting have been seted up at muddy water pond in, and a plurality of side openings have been seted up to the sealed and its lateral wall of going to the bottom of barrel, and it has the waterproof ventilated membrane of one deck all to glue in every side opening, and the both sides of waterproof ventilated membrane are all laminated hard otter board, every hard otter board all with barrel fixed connection, air supporting pond upper portion is installed and is scraped foam mechanism, scrape foam mechanism and include drive assembly, drive assembly is connected with the rotation hinge, is provided with a plurality of arc scraper blades on the rotation hinge, the both sides of arc scraper blade are crooked forward and the bottom is provided with.
2. The laboratory wastewater treatment equipment with the air flotation device and the precipitation device as claimed in claim 1, wherein: the waste water adjusting device top outside is equipped with the liquid level monitor, and the liquid level monitor runs through waste water adjusting device top and extends to inside the waste water adjusting device.
3. The laboratory wastewater treatment equipment with the air flotation device and the precipitation device as claimed in claim 1, wherein a water pump is arranged inside the acid-base neutralization device, the water pump is communicated with the precipitation device through a water outlet pipe of the acid-base neutralization device, one end of the water outlet pipe of the acid-base neutralization device is connected with the water pump, the other end of the water outlet pipe of the acid-base neutralization device is connected with the pipeline mixer, the flocculant injection device is connected with the pipeline mixer through a flocculant inlet pipe, the coagulant aid injection device is connected with the pipeline mixer through a coagulant aid inlet pipe, the flocculant inlet pipe and the coagulant aid inlet pipe are respectively connected with an electric valve, and the opening and closing of the electric valves and the flow rate of the chemicals are controlled by a P L C controller.
4. The laboratory wastewater treatment equipment with the air flotation device and the precipitation device according to claim 1, wherein an extraction pump is arranged inside the precipitation device, the extraction pump is communicated with the air flotation device through a liquid outlet pipe of the precipitation device, a filter screen is arranged at an inlet of the extraction pump, a liquid discharge pipe is arranged outside the bottom end of the precipitation device, the liquid discharge pipe is connected with a self-priming pump, and the self-priming pump is opened and closed and the flow of precipitates is controlled by a P L C controller.
5. The laboratory wastewater treatment equipment with the air flotation device and the precipitation device as claimed in claim 1, wherein: the sieve pores of the hard net plates on the two sides of the waterproof breathable film are arranged in a staggered mode, at least one layer of soft net plate is glued in each side pore, the size of the sieve pores of the soft net plates is 20-16 meshes, the soft net plates are made of nylon nets, and the soft net plates are tightly glued in the side pores.
6. The laboratory wastewater treatment equipment with the air flotation device and the precipitation device as claimed in claim 1, wherein a temperature sensor is arranged on the outer side of the bottom end of the acid-base neutralization device, the temperature sensor is in communication connection with a P L C controller and is used for sensing the temperature of liquid in the acid-base neutralization device in real time and then sending a sensed temperature signal to the P L C controller, an electric heating layer is arranged on the inner wall of the acid-base neutralization device, and the P L C controller is in communication connection with the electric heating layer so as to control the electric heating layer to heat.
7. The laboratory wastewater treatment equipment with the air flotation device and the precipitation device as claimed in claim 1, wherein: the device is characterized in that a guide plate is arranged below the outlet end of the liquid outlet pipe of the sedimentation device, the guide plate is obliquely arranged to guide the newly flowing water flow to the ultrasonic generator, a pressurizing device capable of controlling the air pressure in the barrel is arranged above the barrel, and the pressurizing device comprises a balance weight piston in sealing sliding connection with the inner wall of the barrel.
8. The laboratory wastewater treatment equipment with the air flotation device and the precipitation device as claimed in claim 1, wherein a pH meter is arranged in the acid-base neutralization device for detecting the pH value of the liquid, and a P L C controller is in communication connection with the pH meter for facilitating real-time monitoring of the pH value of the liquid.
9. The laboratory wastewater treatment equipment with the air flotation device and the precipitation device as claimed in claim 1, wherein a water spraying device is arranged outside the acid-base neutralization device, the water spraying device penetrates through the acid-base neutralization device through a water inlet pipe, an electric valve is connected to the water inlet pipe, the opening and closing of the electric valve and the flow rate of water are controlled by a P L C controller, one end of the water inlet pipe, which is positioned in the acid-base neutralization device, is connected with a water spraying dispersion disc, a plurality of nozzles are uniformly distributed on the lower surface of the water spraying dispersion disc, and the other end of the water inlet pipe, which is positioned outside the acid-base neutralization device, is connected with an external water.
10. The laboratory wastewater treatment equipment with the air flotation device and the precipitation device as claimed in claim 1, wherein: the drive assembly comprises two rotating seats arranged above the air flotation tank, the rotating hinge is arranged on the rotating seats, the rotating seat on one side is connected with the drive motor, a foam collecting groove is formed in the side wall of the air flotation tank and comprises a vertical plate and a connecting plate connected with the side wall, a foam discharging port is formed in the outer side wall of the air flotation tank and is located above the connecting plate and communicated with the foam collecting groove, an inclined plate inclined to one side is arranged at the bottom of the air flotation tank, a plurality of sludge discharging holes are formed in the side wall of the air flotation tank, and the sludge discharging holes are located on one side of the inclined plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922139088.6U CN211111515U (en) | 2019-12-04 | 2019-12-04 | Laboratory wastewater treatment equipment with air floatation device and precipitation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922139088.6U CN211111515U (en) | 2019-12-04 | 2019-12-04 | Laboratory wastewater treatment equipment with air floatation device and precipitation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211111515U true CN211111515U (en) | 2020-07-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110510695A (en) * | 2019-09-02 | 2019-11-29 | 韩俊荣 | A kind of Industrial Wastewater Treatment air-floating apparatus |
| CN113087360A (en) * | 2021-03-18 | 2021-07-09 | 杭州国泰环保科技股份有限公司 | Method for efficiently concentrating sludge |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110510695A (en) * | 2019-09-02 | 2019-11-29 | 韩俊荣 | A kind of Industrial Wastewater Treatment air-floating apparatus |
| CN113087360A (en) * | 2021-03-18 | 2021-07-09 | 杭州国泰环保科技股份有限公司 | Method for efficiently concentrating sludge |
| CN113087360B (en) * | 2021-03-18 | 2022-11-11 | 杭州国泰环保科技股份有限公司 | Method for efficiently concentrating sludge |
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