CN211078834U - Laboratory wastewater treatment equipment with early warning function and trace adder control system - Google Patents
Laboratory wastewater treatment equipment with early warning function and trace adder control system Download PDFInfo
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- CN211078834U CN211078834U CN201922069721.9U CN201922069721U CN211078834U CN 211078834 U CN211078834 U CN 211078834U CN 201922069721 U CN201922069721 U CN 201922069721U CN 211078834 U CN211078834 U CN 211078834U
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Abstract
A laboratory wastewater treatment device with a pre-warning function micro-adder control system comprises a wastewater adjusting box body, an acid-base neutralizing box body and a micro-adder control system which are communicated with each other, wherein a liquid inlet pipeline is arranged on the outer side of the wastewater adjusting box body, and a perforated pre-aeration pipe is arranged at the bottom end inside the wastewater adjusting box body; acid-base neutralization box outside is equipped with trace adder control system and motor, motor connection stretch into frame type structure stirring leaf in the acid-base neutralization box, stirring leaf inboard is provided with the absorption filter screen, and the trace adder runs through the pipeline the top of acid-base neutralization box, this trace adder control system include a casing, two trace adders and an alarm device, and each trace adder includes a step motor, a lead screw, a baffle, a plunger pump, two micro-gap switches, entry check valve, export check valve, a trace interpolation jar and a level sensor.
Description
Technical Field
The utility model relates to a waste water treatment equipment technical field especially relates to a take early warning function micro-adder control system's laboratory waste water treatment equipment.
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 sewage and waste water discharge unit of the type has small area for generally placing waste water treatment equipment and poor waste water treatment capability.
Disclosure of Invention
The utility model aims to provide a take early warning function micro-adder control system's laboratory waste water treatment equipment just for solving above-mentioned problem.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a laboratory wastewater treatment device with an early warning function micro-adder control system comprises a wastewater adjusting box body, an acid-base neutralization box body and a micro-adder control system which are communicated with each other, wherein a liquid inlet pipeline is arranged on the outer side of the wastewater adjusting box body, a perforated pre-aeration pipe is arranged at the bottom end inside the wastewater adjusting box body, a fan is arranged on the outer side of the wastewater adjusting box body, and the aeration fan is connected with the perforated pre-aeration pipe through a connecting pipe; the micro-adder control system and the motor are arranged outside the acid-base neutralization box body, the motor is connected with a frame-shaped structure stirring blade extending into the acid-base neutralization box body, an adsorption filter screen is arranged on the inner side of the stirring blade, the micro-adder penetrates through the top end of the acid-base neutralization box body through a pipeline, the micro-adder control system comprises a shell, two micro-adders and an alarm device, each micro-adder comprises a stepping motor, a screw rod, a partition plate, a plunger pump, two microswitches, an inlet check valve, an outlet check valve, a micro-addition tank and a liquid level sensor, the stepping motor is fixedly connected to one end of the screw rod, the partition plate is arranged on the screw rod, a piston is arranged inside the plunger pump and is connected with the partition plate through a piston rod, the two microswitches comprise an upper microswitch and a lower microswitch which are respectively positioned on the upper side, the liquid level sensor is arranged in the trace adding tank, a liquid outlet of the trace adding tank is respectively connected with the inlet check valve, the plunger pump and the outlet check valve through pipelines, and a liquid outlet of the plunger pump is connected between the inlet check valve and the outlet check valve.
The utility model discloses compare with current waste water treatment equipment, use the laboratory waste water treatment equipment who takes early warning function micro-adder control system 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 diagram of a laboratory wastewater treatment facility with a control system of a micro-adder with an early warning function according to a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the micro-adder control system of FIG. 1;
FIG. 3 is a block diagram showing the connection of some of the components of the laboratory wastewater treatment facility with the early warning function micro-adder control system of FIG. 1;
in the figure: 1. a wastewater conditioning tank body; 2. acid-base neutralization box body; 3. a micro-adder control system; 4. sterilizing the box body; 5. a biochemical reaction box body; 6. a filter box body; 7. a liquid inlet pipeline; 70. a grid; 8. 13, 21, 250, 49, 53, 56, electrically operated valve; 9. perforating a preaeration pipe; 90. an aeration fan; 10. a liquid level monitor; 11. a water spraying device; 12. a water inlet pipe; 14. a water spray dispersion disc; 15. a nozzle; 16. a motor; 17. a rotating shaft; 18. stirring blades; 19. adsorbing a filter screen; 20. a drain pipe; 22. a temperature sensor; 23. an electric heating layer; 24. a pH meter; 25. a liquid inlet pipe of the acid-base neutralization tank body; 29. a water pump; 30. the liquid outlet pipe of the box body is neutralized by acid and alkali; 31. a housing; 32. a micro-adder; 320. a bearing seat; 321. a stepping motor; 322. a screw rod; 323. a partition plate; 324. a plunger pump; 3240. a piston; 3241. a piston rod; 325. a microswitch; 3251. an upper microswitch; 3252. a lower microswitch; 326. an inlet check valve; 327. an outlet check valve; 328 micro-adding tank; 329. a liquid level sensor; 33. a pipeline; 34. An electric cabinet; 45. suspending the filler; 46. a catalytic strip; 47. a sterilizing lamp; 48. a liquid outlet pipeline; 50. a liquid outlet pipeline; 51. a high pressure fan; 52. a drain pipe; 54. a liquid level monitor; 55. a pulley; 57. a filter screen; 58. an air compressor; 59. and (3) an ultrafiltration membrane.
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, fig. 2 and fig. 3, the laboratory wastewater treatment equipment with the pre-warning function micro-adder control system of the preferred embodiment of the present invention sequentially comprises a wastewater adjusting box 1, an acid-base neutralizing box 2, a micro-adder control system 3, a disinfection box 4, a biochemical reaction box 5 and a filtering box 6 which are communicated with each other according to the flow direction of wastewater. The wastewater adjusting box body 1, the acid-base neutralizing box body 2, the sterilizing box body 4, the biochemical reaction box body 5 and the filtering box body 6 are combined into a whole. The bottom of the wastewater adjusting box body 1 and the bottom of the biochemical reaction box body 5 are provided with pulleys 55 which are convenient to move.
The outer side of the top end of the wastewater adjusting box body 1 is provided with a liquid inlet pipeline 7, the liquid inlet pipeline 7 penetrates through the top end of the wastewater adjusting box body 1 and extends into the wastewater adjusting box body 1, external wastewater enters the wastewater adjusting box body 1 through the liquid inlet pipeline 7, an electric valve 8 is connected onto the liquid inlet pipeline 7, the opening and closing of the electric valve 8 and the flow of water are controlled by a P L C controller, a grating 70 is installed in the liquid inlet pipeline 7, wastewater firstly passes through the grating 70 in the liquid inlet pipeline 7, floating objects and winding objects in the wastewater are removed and then enters the wastewater adjusting box body 1, the water quantity is adjusted and the water quality is homogenized, an electric control box 34 is arranged on the outer side wall of the wastewater adjusting box body 1, and the electric control box 34 internally comprises a P L.
The bottom of the interior of the wastewater adjusting box body 1 is provided with a perforated pre-aeration pipe 9, the outer side wall of the wastewater adjusting box body 1 is provided with a fan 90, the aeration fan 90 is connected with the perforated pre-aeration pipe 9 through a connecting pipe, the aeration of the aeration fan 90 is controlled by a P L C controller, the aeration fan adopts gap aeration to stir underwater, and air oxidation treatment is carried out on wastewater.
The bottom of the side wall of the wastewater adjusting box body 1 is communicated with the acid-base neutralization box body 2 through an acid-base neutralization box body liquid inlet pipe 25, an electric valve 250 is connected to the acid-base neutralization box body liquid inlet pipe 25, and the opening and closing of the electric valve 250 and the flow rate of water are controlled by a P L C controller.
The waste water treatment system is characterized in that a liquid level monitor 10 is arranged on the outer side of the top end of the waste water adjusting box body 1, the liquid level monitor 10 penetrates through the top end of the waste water adjusting box body 1 and extends into the waste water adjusting box body 1, the liquid level monitor 10 is used for monitoring the liquid level of waste water in the waste water adjusting box body 1, when the liquid level of the waste water reaches a preset value, the liquid level monitor 10 transmits a monitoring signal to a P L C controller, the P L C controller controls an electric valve 8 on a liquid inlet pipeline 7 to be closed, the waste water stops entering the waste water adjusting box body 1, the P L C controller controls an electric valve 250 on an acid-base neutralization box body liquid inlet pipe 25 to be opened, and waste water to be.
The micro-adder control system 3 with the early warning function is arranged on the outer side of the top end of the acid-base neutralization box body 2, and the micro-adder control system 3 comprises a shell 31, two micro-adders 32, a power supply module, a stepping motor driving module and an alarm device.
Each micro-adder 32 comprises a stepping motor 321, a screw 322, a bearing seat 320, a partition 323, a plunger pump 324, two micro-switches 325, an inlet check valve 326, an outlet check valve 327, a micro-adding tank 328 and a liquid level sensor 329. The stepping motor 321, the screw rod 322, the bearing seat 320, the partition 323, the plunger pump 324, the two microswitches 325, the inlet check valve 326 and the outlet check valve 327 are accommodated in the housing 31.
The stepping motor 321 is fixedly connected to one end of the screw rod 322, the other end of the screw rod 322 is rotatably connected to the bearing block 320, and the partition 323 is installed on the screw rod 322. The plunger pump 324 is provided with a piston 3240 therein, and the piston 3240 is connected to the partition 323 via a piston rod 3241. The micro switch 325 includes an upper micro switch 3251 and a lower micro switch 3252 respectively disposed at upper and lower sides of the partition 323.
A micro-adder 32 penetrates the top end of the acid-base neutralization tank 2 through a pipe 33. In the micro-adding tanks 328 of the two micro-adding devices 32, one of the micro-adding tanks 328 contains acidic liquid medicine, and the other micro-adding tank 328 contains alkaline liquid medicine. The liquid level sensor 329 is disposed in the micro-addition tank 328 and is configured to detect a liquid level state of the liquid medicine in the micro-addition tank 328 in real time. The liquid outlet of the micro-addition tank 32 is connected to an inlet check valve 326, a plunger pump 324, and an outlet check valve 327 via a pipe 33. The liquid outlet of the plunger pump 324 is connected between an inlet check valve 326 and an outlet check valve 327. The inlet check valve 326 is used to ensure that the acidic or alkaline solution flows from the micro-addition tank 328 to the plunger pump 324, thereby preventing the acidic or alkaline solution from flowing back from the plunger pump 324 to the micro-addition tank 328. The outlet check valve 327 is used to ensure that the acidic or alkaline liquid medicine flows from the plunger pump 324 to the acid-base neutralization tank 2 through the pipe 33, preventing reverse flow.
The power supply module is respectively connected with power supply ends of the P L C controller and the stepping motor driving module, the liquid level sensor 329 and the microswitch 325 are respectively connected with a signal input end of the P L C controller, a control signal output end of the P L C controller is connected with the alarm device, and the other control signal output end of the P L C controller is connected with the stepping motor 321 through the stepping motor driving module.
The power supply module comprises a voltage reduction adjusting circuit, a first voltage stabilizing circuit and a second voltage stabilizing circuit, external power supply voltage is connected with the P L C controller sequentially through the voltage reduction adjusting circuit and the first voltage stabilizing circuit, and the external power supply voltage is further connected with the stepping motor driving module through the second voltage stabilizing circuit.
The working process of the micro adder control system is that an external power supply voltage (direct current 24V) is reduced to direct current 12V voltage through a voltage reduction adjusting circuit, and then is output through a voltage stabilizing circuit I to supply power to a P L C controller so as to ensure the normal and stable work of the P L C controller, and the external power supply voltage outputs voltage stabilizing direct current 24V through a voltage stabilizing circuit II to supply power to a stepping motor driving module so as to ensure the normal and stable work of the stepping motor driving module.
When acid or alkaline liquid medicine needs to be added into the acid-base neutralization box body 2, the P L C controller outputs a forward driving signal, the stepping motor 321 is controlled by the stepping motor driving module to start forward work, the stepping motor 321 drives the partition plate 323 to move upwards through the screw rod 322, the partition plate 323 moves to a certain position, when the partition plate 323 contacts the upper micro switch 3251, the upper micro switch 3251 acts and outputs a switching signal to the P L C controller, the P L C controller controls the stepping motor 321 to work reversely, the stepping motor 321 drives the partition plate 323 to move downwards through the screw rod 322, when the partition plate 323 moves to a certain position, the partition plate contacts the lower micro switch 3252, the lower micro switch 3252 acts and outputs a corresponding switching signal to the P L C controller, the P L C controller controls the stepping motor 321 to work forwards, when the partition plate 323 operates repeatedly, the piston 3240 moves upwards, the acid or alkaline liquid medicine is added into the acid-base neutralization box body 2 through the pipeline 33, at the moment, the P L C controller controls the one-way valve 326 to open, the one-way valve 327 moves, and the plunger 3240 moves to control the self-locking piston L to suck the micro pump liquid medicine into the micro pump through the self-locking pipeline 324.
When the liquid level in the micro adding tank 328 is at a low liquid level, the P L C controller stops outputting a driving signal for controlling the movement of the stepping motor 321, controls the alarm device to give an alarm, and timely reminds workers that the liquid level of the liquid medicine in the micro adding tank 328 is low so as to increase the liquid medicine or replace the micro adding tank 328 in time, so that the equipment can timely recover to operate, and the working efficiency is improved.
The automatic control system is characterized in that the two micro switches 325 are arranged to automatically detect switch signals so as to realize switching control of the steering of the stepping motor 321, the liquid level sensor 329 is arranged to detect the liquid level of the liquid medicine in the micro adder 32 in real time and intelligently control the working state of the stepping motor 321, the alarm device is arranged to alarm when the liquid level sensor 329 detects that the liquid level of the liquid medicine is low, a worker can be timely reminded of the liquid level state to avoid the device from being in a stop state for a long time, and the power supply module can ensure the safety and stability of power supply of the P L C controller and the stepping motor driving module.
The water spraying device 11 is arranged on the outer side of the top end of the acid-base neutralization box body 2, the water spraying device 11 penetrates through the top end of the acid-base neutralization box body 2 through a water inlet pipe 12, an electric valve 13 is connected to the water inlet pipe 12, the opening and closing of the electric valve 13 and the flow of water are controlled by a P L C controller, one end, located in the acid-base neutralization box body 2, of the water inlet pipe 12 is connected with a water spraying dispersion disc 14, the water spraying dispersion disc 14 is located above the inside of the acid-base neutralization box body 2, a plurality of nozzles 15 are evenly distributed on the lower surface of the water spraying dispersion disc 14, and the other end, located on the outer side of the acid-base neutralization.
The outer side of the top end of the acid-base neutralization box body 2 is also provided with a motor 16, the output end of the bottom of the motor 16 is provided with a rotating shaft 17 extending into the acid-base neutralization box body 2, and the rotating shaft 17 is provided with a stirring blade 18. The stirring blade 18 is a frame-shaped stirring blade, and an adsorption filter screen 19 is arranged on the inner side of the frame-shaped stirring blade. When the motor 16 operates, the stirring blade 18 and the adsorption filter screen 19 are driven to rotate, the liquid medicine in the micro-adding tank 328 and the wastewater are fully stirred and mixed to generate acid-base neutralization reaction, and the rotating adsorption filter screen 19 can adsorb impurities in the wastewater, so that the use reliability is improved. After the operation, the water spraying device 11 sprays water to the adsorption filter screen 19 to clean the adhered impurities.
The outer side of the bottom end of the acid-base neutralization box body 2 is provided with a drain pipe 20 for discharging cleaned wastewater, the drain pipe 20 is connected with an electric valve 21, and the opening and closing of the electric valve 21 and the flow rate of water are controlled by a P L C controller.
The outer side of the bottom end of the acid-base neutralization box body 2 is provided with a temperature sensor 22, the temperature sensor 22 is in communication connection with a P L C controller and is used for sensing the temperature of liquid in the acid-base neutralization box body 2 in real time, and then a sensed temperature signal is sent to the P L C controller, an electric heating layer 23 is arranged on the inner wall of the acid-base neutralization box body 2, the P L C controller is in communication connection with the electric heating layer 23, and the P L C controller controls the temperature of the liquid heated by the electric heating layer 23 according to the temperature signal sensed by the temperature sensor 22.
The pH meter 24 is arranged on the inner side of the bottom end of the acid-base neutralization box body 2 and used for monitoring the pH value of liquid in the acid-base neutralization box body 2 on line, the P L C controller is in communication connection with the pH meter 24 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 micro-adding tank 328 to be added into the acid-base neutralization box body 2 through a pipeline 33 according to the pH value of wastewater measured by the pH meter 24.
The water suction pump 29 is arranged on the inner side of the bottom end of the acid-base neutralization box body 2, and the water suction pump 29 is used for lifting the wastewater to be treated into the disinfection box body 4. The suction pump 29 is communicated with the disinfection box body 4 through an acid-base neutralization box body liquid outlet pipe 30, and the outlet end of the acid-base neutralization box body liquid outlet pipe 30 penetrates through the upper portion of the side wall of the disinfection box body 4 and is located at the top end of the interior of the disinfection box body 4.
A plurality of catalytic strips 46 are arranged below the outlet end of the acid-base neutralization box body liquid outlet pipe 30 in a parallel and staggered mode, and the catalytic strips 46 are installed on the side wall of the disinfection box body 4. The catalytic strips 46 are titanium dioxide compounds, are easy to prepare and low in price, and can catalyze organic matters such as formaldehyde, phenol, ketones and the like. And a plurality of disinfection lamps 47 are uniformly distributed on the inner wall of the disinfection box body 4 and used for accelerating the catalysis speed. The sterilizing lamp 47 is an ultraviolet sterilizing lamp. The sterilizing lamps 47 are installed on the sterilizing chamber body 4 between the upper and lower adjacent catalytic strips 46.
The bottom of the side wall of the disinfection box body 4 is connected with a liquid outlet pipeline 48, the outlet end of the liquid outlet pipeline 48 is positioned at the bottom end of the interior of the biochemical reaction box body 5, the wastewater treated by the disinfection box body 4 enters the biochemical reaction box body 5 from the liquid outlet pipeline 48, an electric valve 49 is connected on the liquid outlet pipeline 48, and the opening and closing of the electric valve 49 and the flow rate of the water are controlled by a P L C controller.
The liquid level monitor 54 is arranged on the outer side of the top end of the biochemical reaction box body 5, the liquid level monitor 54 penetrates through the top end of the biochemical reaction box body 5 and extends into the biochemical reaction box body 5, the liquid level monitor 54 is used for monitoring the liquid level of wastewater in the biochemical reaction box body 5, when the liquid level of the wastewater reaches a preset value, the liquid level monitor 54 transmits a monitoring signal to the P L C controller, the P L C controller controls the electric valve 49 on the liquid outlet pipe 48 to be closed, and the wastewater stops entering the biochemical reaction box body 5.
The bottom of the side wall of the biochemical reaction box body 5 is connected with a liquid outlet pipeline 50, the outlet end of the liquid outlet pipeline 50 is positioned at the bottom end of the interior of the filtering box body 6, the liquid outlet pipeline 50 is connected with an electric valve 56, the opening and closing of the electric valve 56 and the flow rate of water are controlled by a P L C controller, and a filter screen 57 is arranged at the inlet end of the liquid outlet pipeline 50, so that sludge and large-particle insoluble substances in wastewater can be effectively intercepted.
The high pressure fan 51 is arranged on the outer side of the top end of the biochemical reaction box body 5 and used for aerating wastewater in the biochemical reaction box body 5, and the P L C controller is in communication connection with the high pressure fan 51 so as to control the high pressure fan 51 to aerate.
The biochemical reaction box 5 is internally provided with a suspended filler 45, the wastewater treated by the disinfection box 4 enters the biochemical reaction box 5 provided with the suspended filler 45, the suspended filler 45 in the biochemical reaction box 5 is used as a carrier to provide a special surface for microbial propagation, and microorganisms oxidize and degrade micromolecule organic matters enriched on the surface of the filler under the condition that a high-pressure fan 51 provides high dissolved oxygen, meanwhile, activated sludge which is not attached to the surface of the filler in the biochemical reaction box 5 is also subjected to biodegradation under the aeration condition, once the liquid level monitor 54 monitors that the wastewater in the biochemical reaction box 5 reaches a certain liquid level, the P L C controller controls the electric valve 49 on the liquid outlet pipe 48 to be closed, the wastewater stops entering the biochemical reaction box 5, the high-pressure fan 51 continues to aerate the wastewater in the biochemical reaction box 5, when the wastewater organic matters in the biochemical reaction box 5 are fully degraded and the wastewater is fully purified, the P L C controller controls the high-pressure fan 51 to stop, so that the biochemical reaction box 5 enters a standing stage and a settling stage, after the wastewater organic matters in the biochemical reaction box 5 is fully degraded, the wastewater is monitored, the wastewater is fully purified, the sewage is mixed in the upper reaction box 5, clean water is mixed with the electric valve 52, and clean water is controlled to flow into the biochemical reaction box 636, and clean water is controlled by the clean water is filtered by the clean water filter and then the clean water is controlled.
An air compressor 58 is arranged on the outer side of the bottom end of the filter box body 6, the operation of the air compressor 58 is controlled by a P L C controller, and an ultrafiltration membrane 59 is arranged in the filter box body 6 in the vertical direction.
The P L C controller starts the air compressor 58 to send the air to the ultrafiltration membrane 59 to mix with the water, the ultrafiltration membrane 59 also enters the air while entering the water, the air enters and disturbs the membrane filaments to fully wash the membrane filaments and is not easy to block, in addition, the sieving process of the ultrafiltration membrane 59 takes the pressure difference on two sides of the membrane as the driving force, the ultrafiltration membrane 59 is taken as the filtering medium, when the raw liquid flows through the surface of the membrane under certain pressure, a plurality of tiny micropores densely distributed on the surface of the ultrafiltration membrane 59 only allow the water and small molecular substances to pass through to form permeate liquid, substances in the raw liquid with the volume larger than the micropore diameter on the surface of the membrane are intercepted on the liquid inlet side of the membrane to form concentrated liquid, and therefore the purposes of purifying, separating and concentrating the raw liquid are achieved.
However, the conventional filter membrane can be seriously polluted when being used for removing dirt, and the dirt is difficult to remove. The gas-water mixed ultrafiltration membrane 59 is different from the air-water mixed ultrafiltration membrane 59, adopts a high cross-flow full-time aeration and scrubbing while pollution operation mode, and is not easy to be polluted. The high cross flow improves the surface flow velocity of the membrane filaments, reduces the blockage of pollutants on the micropores of the membrane filaments and reduces the membrane pollution rate; the aeration operation swings the membrane wires through a gas-liquid mixing turbulence state, and performs gas-liquid scrubbing on the surfaces of the membrane wires, so that the membrane wires are scrubbed while being polluted, the membrane pollution and recovery are synchronized, and the pollution on the surfaces of the membranes is effectively controlled.
The bottom of the outer side of the filtering box body 6 is provided with a drain pipe 52, an electric valve 53 is connected on the drain pipe 52, the opening and the closing of the electric valve 53 and the flow rate of water are controlled by a P L C controller, and liquid is filtered by an ultrafiltration membrane 59 in the filtering box body 6 and then is discharged through the drain pipe 52.
The wastewater adjusting box body 1, the acid-base neutralizing box body 2, the micro-adder control system 3, the sterilizing box body 4, the biochemical reaction box body 5 and the filtering box body 6 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 the laboratory waste water treatment equipment who takes early warning function micro-adder control system 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. A laboratory wastewater treatment device with a pre-warning function micro-adder control system is characterized by comprising a wastewater adjusting box body, an acid-base neutralization box body and a micro-adder control system which are communicated with one another, wherein a liquid inlet pipeline is arranged on the outer side of the wastewater adjusting box body, a perforated pre-aeration pipe is arranged at the bottom end inside the wastewater adjusting box body, a fan and an electric cabinet are arranged on the outer side of the wastewater adjusting box body, a P L C controller is arranged in the electric cabinet, the aeration fan is connected with the perforated pre-aeration pipe through a connecting pipe, the micro-adder control system and a motor are arranged on the outer side of the acid-base neutralization box body, the motor is connected with a frame-shaped structure stirring blade extending into the acid-base neutralization box body, an adsorption filter screen is arranged on the inner side of the stirring blade, the micro-adder penetrates through the top end of the acid-base neutralization box body and the top end of the box body through a pipeline, the micro-adder control system comprises a shell, two micro-adders and an alarm device, each micro-adder comprises a stepping motor, a lead screw, a partition, a plunger pump, two micro-switches, an inlet one-way valve, an outlet one-way valve, a micro-adding tank and a liquid level sensor, a plunger pump, a micro-adding piston pump, a micro-valve, a micro-adding piston pump, a micro-piston, a micro-liquid inlet, a micro-piston.
2. The laboratory wastewater treatment equipment with the pre-warning function micro-adder control system according to claim 1, characterized in that: the waste water regulation box top outside is equipped with the liquid level monitor, and the liquid level monitor runs through waste water regulation box top and extends to inside the waste water regulation box.
3. The laboratory wastewater treatment equipment with the pre-warning function micro-adder control system as claimed in claim 1, wherein the micro-adder control system further comprises a power supply module and a stepping motor driving module, the power supply module is respectively connected with power supply ends of the P L C controller and the stepping motor driving module, the liquid level sensor and the micro switch are respectively connected with a signal input end of the P L C controller, a control signal output end of the P L C controller is connected with the warning device, and the other control signal output end of the P L C controller is connected with the stepping motor through the stepping motor driving module.
4. The laboratory wastewater treatment equipment with the pre-warning function micro-adder control system is characterized in that the power supply module comprises a voltage reduction adjusting circuit, a first voltage stabilizing circuit and a second voltage stabilizing circuit, the external power supply voltage is connected with the P L C controller through the voltage reduction adjusting circuit and the first voltage stabilizing circuit in sequence, and the external power supply voltage is further connected with the stepping motor driving module through the second voltage stabilizing circuit.
5. The laboratory wastewater treatment equipment with the pre-warning function micro-adder control system according to claim 1, characterized in that: the device also comprises a disinfection box body, a biochemical reaction box body and a filtering box body, wherein a plurality of catalytic strips and a plurality of disinfection lamps are arranged in the disinfection box body; the top of the outer side of the biochemical reaction box body is provided with a high-pressure fan which is used for aerating the wastewater in the biochemical reaction box body, and the biochemical reaction box body is internally provided with a suspended filler; the bottom outside of filtering the box is equipped with air compressor, filters the inside ultrafiltration membrane that sets up along vertical direction of box.
6. The laboratory wastewater treatment equipment with the pre-warning function micro-adder control system according to claim 5, characterized in that: the acid-base neutralization box is characterized in that a water suction pump is arranged on the inner side of the acid-base neutralization box and communicated with the disinfection box through a liquid outlet pipe of the acid-base neutralization box.
7. The laboratory wastewater treatment equipment with the early warning function micro-adder control system according to claim 1, is characterized in that a temperature sensor is arranged on the outer side of the bottom end of the acid-base neutralization box body, the temperature sensor is in communication connection with a P L C controller and used for sensing the temperature of liquid in the acid-base neutralization box body 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 box body, 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.
8. The laboratory wastewater treatment equipment with the pre-warning function micro-adder control system according to claim 1, characterized in that: each micro-adder also comprises a bearing seat, and the other end of the screw rod is rotatably connected with the bearing seat.
9. The laboratory wastewater treatment equipment with the pre-warning function micro-adder control system according to claim 1, characterized in that a pH meter is arranged in the acid-base neutralization tank body for detecting the pH value of the liquid, 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, and a P L C controller controls the acidic or alkaline liquid medicine in the micro-addition tank to be added into the acid-base neutralization tank body through a pipeline according to the pH value of the wastewater measured by the pH meter.
10. The laboratory wastewater treatment equipment with the early warning function micro-adder control system is characterized in that a water spraying device is arranged on the outer side of the acid-base neutralization box body, the water spraying device penetrates through the acid-base neutralization box body 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 of water are controlled by a P L C controller, one end, located in the acid-base neutralization box body, of the water inlet pipe is connected with a water spraying dispersion disc, a plurality of nozzles are evenly distributed on the lower surface of the water spraying dispersion disc, and the other end, located on the outer side of the acid-base neutralization box body, of the water inlet pipe is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922069721.9U CN211078834U (en) | 2019-11-27 | 2019-11-27 | Laboratory wastewater treatment equipment with early warning function and trace adder control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922069721.9U CN211078834U (en) | 2019-11-27 | 2019-11-27 | Laboratory wastewater treatment equipment with early warning function and trace adder control system |
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| CN211078834U true CN211078834U (en) | 2020-07-24 |
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| CN201922069721.9U Active CN211078834U (en) | 2019-11-27 | 2019-11-27 | Laboratory wastewater treatment equipment with early warning function and trace adder control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112374668A (en) * | 2020-09-28 | 2021-02-19 | 辉瑞(山东)环境科技有限公司 | Laboratory wastewater treatment system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112374668A (en) * | 2020-09-28 | 2021-02-19 | 辉瑞(山东)环境科技有限公司 | Laboratory wastewater treatment system |
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