CN114894989A - Method and device for automatic detection, overrun cutting-off and return treatment of pollutants in electroplating water - Google Patents

Method and device for automatic detection, overrun cutting-off and return treatment of pollutants in electroplating water Download PDF

Info

Publication number
CN114894989A
CN114894989A CN202210388441.8A CN202210388441A CN114894989A CN 114894989 A CN114894989 A CN 114894989A CN 202210388441 A CN202210388441 A CN 202210388441A CN 114894989 A CN114894989 A CN 114894989A
Authority
CN
China
Prior art keywords
liquid
chromium
electromagnetic valve
cadmium
branch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210388441.8A
Other languages
Chinese (zh)
Other versions
CN114894989B (en
Inventor
包芳芳
蒋经纬
周志刚
盛超
楼文俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Haihe Environmental Technology Co ltd
Zhejiang Kehai Testing Co ltd
Original Assignee
Zhejiang Haihe Environmental Technology Co ltd
Zhejiang Kehai Testing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Haihe Environmental Technology Co ltd, Zhejiang Kehai Testing Co ltd filed Critical Zhejiang Haihe Environmental Technology Co ltd
Priority to CN202210388441.8A priority Critical patent/CN114894989B/en
Publication of CN114894989A publication Critical patent/CN114894989A/en
Application granted granted Critical
Publication of CN114894989B publication Critical patent/CN114894989B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18Water
    • G01N33/1813Specific cations in water, e.g. heavy metals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/14Suction devices, e.g. pumps; Ejector devices
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention relates to the technical field of wastewater treatment, and discloses a method and a device for automatically detecting, cutting off and returning electroplating water pollutants, wherein A, a set of automatic sampling pump, a bottle-dividing sampler, a concentration monitor, a data acquisition instrument, an overrun controller, an electromagnetic valve, a reflux pump, an emergency pool, a retreatment device and a matched water pipe are respectively arranged at a main sewage outlet and each workshop branch discharge outlet; B. wastewater from a main sewage draining outlet and each workshop branch draining outlet sequentially enters a bottle-dividing sampler and the same concentration monitor through a sampling pump and a water pipe; C. and analyzing the data information by software to obtain the concentration and position information of the overproof and overrun point positions, and sending a cutting-off instruction to the electromagnetic valve of the overproof and overrun point positions to cut off the electromagnetic valve. The invention not only realizes the function of multi-point independent monitoring, but also the overrun controller has the functions of processing overrun information from the data acquisition instrument, sending and executing the on-off instructions of the electromagnetic valve and the reflux pump, and the like, and avoids the over-standard sewage from being discharged to the external environment.

Description

Method and device for automatic detection, overrun cutting-off and return treatment of electroplating water pollutants
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to a method and a device for automatically detecting electroplating water pollutants, cutting off and returning to treatment.
Background
The electroplating wastewater is provided with different electroplating workshops according to different electroplating types, and the generated wastewater usually contains pollutants such as pH, chromium, lead, silver, copper, zinc, cyanide and the like, wherein the pollutants comprise total chromium, hexavalent chromium, total nickel, total cadmium, total silver, total lead and the like, and the national emission standard determines that the pollutants are high-toxicity heavy metal ions. In order to prevent the dilution effect generated by the mixed discharge of various waste water, the standard requires that a sewage treatment facility is arranged at a waste water discharge port of each workshop and the waste water reaches the standard to be discharged, and simultaneously the waste water of a main discharge port also reaches the standard. The high-frequency automatic monitoring of the pollutants is a basic requirement for the sewage discharge outlet of the electroplating industry, and is the best monitoring and control mode.
At present, a set of automatic pollutant monitoring device is arranged at a main discharge port of an electroplating enterprise or an electroplating park according to relevant standards, but the device can only monitor the concentration of pollution indexes such as total chromium, hexavalent chromium, total nickel, total partition, total silver, total lead, total mercury and the like of the main discharge port, and can not simultaneously monitor various concentrations of a waste water discharge port of a front-end vehicle or a production facility by using the same device, and in view of the fact that the automatic heavy metal monitoring device is expensive in equipment and high in operation cost, the automatic monitoring device is basically not installed at a water discharge port of a workshop at present, and is only monitored by using an original laboratory monitoring method, so that the problems of long monitoring period, large workload of uploading monitoring information, high illegal overproof discharge risk, large monitoring difficulty and the like exist; in addition, as shown in fig. 2, the existing automatic sewage draining outlet monitoring device can only monitor the concentration of pollutants, and only alarm and can not be cut off when exceeding the standard and exceeding the limit, so that the pollutants are discharged into the environment to cause environmental pollution. In response to the situation, the technical personnel in the field provide a method and a device for automatically detecting the electroplating water pollutants to cut off and return to the treatment.
Disclosure of Invention
The invention aims to provide a method and a device for automatically detecting the electroplating water pollutants, cutting off and returning to the treatment, so as to solve the problems that the monitoring sites are single and the treatment cannot be cut off in time when the monitored concentration exceeds the limit.
In order to achieve the purpose, the invention provides the following technical scheme:
an automatic detection overrun cut-off return processing device for electroplating water pollutants comprises a main sewage draining outlet, a main discharge sampling pump, a workshop branch discharge outlet, a branch discharge outlet sampling pump, a branch bottle sampler, a concentration monitor, a data acquisition instrument, an overrun controller, a branch discharge outlet electromagnetic valve, a main discharge outlet reflux pump, a main discharge outlet emergency pool, a main discharge retreatment device, a branch discharge outlet reflux pump, a branch discharge outlet emergency pool, a branch discharge retreatment device, a supervision platform, a shunt communication pipe, a branch discharge outlet switch instruction line, a main discharge outlet switch instruction line, a water sample conveying pipe, a detection data transmission line, a monitoring information transmission line, an overrun information transmission line and a branch discharge waste liquid communication pipe;
the branch exhaust retreatment device comprises a chromium liquid retreatment device, a nickel liquid retreatment device and a cadmium liquid retreatment device, and the wastewater of each workshop is respectively connected to the water inlet ends of the chromium liquid retreatment device, the nickel liquid retreatment device and the cadmium liquid retreatment device; the workshop branch discharge port comprises a chromium liquid discharge port, a nickel liquid discharge port and a cadmium liquid discharge port, and the water outlet ends of the chromium liquid reprocessor, the nickel liquid reprocessor and the cadmium liquid reprocessor are respectively connected with the water inlet ends of the chromium liquid discharge port, the nickel liquid discharge port and the cadmium liquid discharge port; the branch discharge port electromagnetic valve comprises a chromium liquid electromagnetic valve, a nickel liquid electromagnetic valve and a cadmium liquid electromagnetic valve, and the water outlet ends of the chromium liquid discharge port, the nickel liquid discharge port and the cadmium liquid discharge port are respectively connected with the water inlet ends of the chromium liquid electromagnetic valve, the nickel liquid electromagnetic valve and the cadmium liquid electromagnetic valve through a first three-way pipe; the branch discharge port reflux pump comprises a chromium liquid reflux pump, a nickel liquid reflux pump and a cadmium liquid reflux pump, and the side ports of the first three-way pipe are respectively connected with the water inlet ends of the chromium liquid reflux pump, the nickel liquid reflux pump and the cadmium liquid reflux pump; the emergency pool comprises a chromium liquid emergency pool, a nickel liquid emergency pool and a cadmium liquid emergency pool, wherein the water outlet ends of the chromium liquid reflux pump, the nickel liquid reflux pump and the cadmium liquid reflux pump are respectively connected with the water inlet ends of the chromium liquid emergency pool, the nickel liquid emergency pool and the cadmium liquid emergency pool, and the water outlet ends of the chromium liquid emergency pool, the nickel liquid emergency pool and the cadmium liquid emergency pool are respectively connected with the water inlet ends of the chromium liquid reprocessor, the nickel liquid reprocessor and the cadmium liquid reprocessor;
the comprehensive wastewater is connected to the water inlet end of the main discharge retreatment device, the water outlet end of the main discharge retreatment device is sequentially connected with the water outlet ends of the chromium liquid electromagnetic valve, the nickel liquid electromagnetic valve and the cadmium liquid electromagnetic valve through a diversion communicating pipe, and the water outlet end of the diversion communicating pipe is connected with the water inlet end of the main sewage outlet; the water outlet end of the main sewage draining outlet is connected with a main draining outlet electromagnetic valve through a second three-way pipe, the water outlet end of the main draining outlet electromagnetic valve is connected into an external environment, the side opening of the second three-way pipe is connected with the water inlet end of a main draining outlet reflux pump, the water outlet end of the main draining outlet reflux pump is connected with the water inlet end of a main draining outlet emergency pool, and the water outlet end of the main draining outlet emergency pool is connected with the water inlet end of a main draining reprocessing device;
the device comprises a sampling pump, a sampling bottle and a sampling bottle, a sampling bottle;
the water outlet end of the bottle-dividing sampler is connected with the water inlet end of the concentration monitor through a water sample conveying pipe, the output end of the concentration monitor is connected with the input end of the data acquisition instrument through a detection data transmission line, the output end of the data acquisition instrument is connected with the supervision platform and the overrun controller through a monitoring information transmission line and an overrun information transmission line respectively, the branch outlet switch instruction line comprises a chromium liquid switch optical fiber, a nickel liquid switch optical fiber and a cadmium liquid switch optical fiber, and the output end of the overrun controller is connected with the input ends of the chromium liquid solenoid valve, the nickel liquid solenoid valve, the cadmium liquid solenoid valve and the total outlet switch instruction line through the chromium liquid switch optical fiber, the nickel liquid switch optical fiber, the cadmium liquid switch optical fiber and the total outlet switch optical fiber respectively.
As a still further scheme of the invention: the workshop divides row mouth, divides row mouth sampling pump, divides row mouth solenoid valve, divides row mouth backwash pump, divides row mouth emergency pool, divides row reprocessing apparatus, divides all one-to-one settings and independent distribution between row's waste liquid closed tube.
As a still further scheme of the invention: the total discharge port emergency pool and the branch discharge port emergency pool are pool bodies with enough capacity, and overflow easily is avoided.
As a still further scheme of the invention: the comprehensive wastewater comprises wastewater of each workshop, and the wastewater of each workshop comprises but is not limited to heavy metals such as chromium, nickel, cadmium, silver, lead, mercury and the like.
A method for automatically detecting electroplating water pollutants, cutting off and returning to treatment comprises the following steps:
A. a set of automatic sampling pump, a bottle-dividing sampler, a concentration monitor, a data acquisition instrument, an overrun controller, an electromagnetic valve, a reflux pump, an emergency pool, a reprocessing device and a matched water pipe are respectively arranged at the main sewage draining outlet and each workshop branch draining outlet;
B. waste water from the main sewage draining outlet and each workshop branch draining outlet sequentially enters a bottle-dividing sampler and the same set of concentration monitor through a sampling pump and a water pipe so as to measure results of one or more heavy metals such as total chromium, hexavalent chromium, total nickel, total diaphragm, total silver, total lead, total mercury and the like of the main draining outlet and detection results of each index of each workshop;
C. the concentration monitor transmits a detection result to the data acquisition instrument, acquired data information is transmitted to the overrun controller, the data information is analyzed by software to obtain the concentration and position information of the overproof overrun point, a cutoff instruction is sent to the electromagnetic valve of the overproof overrun point to cut off the electromagnetic valve, a starting instruction is sent to a reflux pump of the point to make the cutoff overproof overrun wastewater flow back to a corresponding emergency pool, and then the cutoff overproof overrun wastewater is input into a reprocessing device to enter a reprocessing program;
D. and when the detected concentration reaches the standard, automatically starting the normal sewage discharge system again, and transmitting the cutting-off and starting instructions and the data information to a government supervision platform and a high-level manager of an enterprise in real time through the data acquisition instrument.
As a still further scheme of the invention: the information collected by the data acquisition instrument comprises the concentration, the discharge flow, the return processing point position, the return flow, the return processing time interval and the like of the sewage outlets at all the point positions in different time.
Compared with the prior art, the invention has the beneficial effects that:
outside total drain, through divide row mouthful department set up one set of branch row mouthful sampling pump respectively independently in each workshop, divide row mouthful solenoid valve, divide row mouthful backwash pump, divide row mouthful emergency pool, divide row reprocessing apparatus, divide row mouthful switch instruction line and divide row waste liquid communicating pipe, the function of multiple site independent monitoring has not only been realized, and the transfinite controller has the transfinite information processing who comes from the data acquisition appearance and sends and carry out to the solenoid valve, the backwash pump is opened, functions such as closing the instruction, avoid exceeding standard sewage to arrange external environment, still possess to cut off, return the function of handling relevant information transmission to supervision platform, be convenient for look over at any time, call.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic structural diagram of a conventional automatic detection device.
In the figure: 1. a total sewage draining outlet; 2. a total row sampling pump; 3. a workshop is divided into rows; 301. discharging a chromium liquid; 302. discharging nickel liquid; 303. a cadmium liquid discharge port; 4. a separate discharge port sampling pump; 401. a chrome liquor sampling pump; 402. a nickel liquid sampling pump; 403. a cadmium liquid sampling pump; 5. a bottle-dividing sampler; 6. a concentration monitor; 7. a data acquisition instrument; 8. an overrun controller; 9. a branch outlet electromagnetic valve; 901. a chrome liquor electromagnetic valve; 902. a nickel liquid electromagnetic valve; 903. a cadmium liquid solenoid valve; 10. a main discharge port electromagnetic valve; 11. a total discharge port reflux pump; 12. a main discharge port emergency pool; 13. a total row reprocessing device; 14. a return pump with a separate discharge port; 1401. a chromium liquid reflux pump; 1402. a nickel liquid reflux pump; 1403. a cadmium liquid reflux pump; 15. a row port emergency pool; 1501. a chromium liquid emergency pool; 1502. a nickel liquid emergency pool; 1503. a cadmium liquid emergency pool; 16. a row reprocessing device; 1601. a chromium liquid reprocessor; 1602. a nickel liquid reprocessor; 1603. a cadmium solution reprocessor; 17. a supervisory platform; 18. a shunt communicating pipe; 19. a switch instruction line of the row ports; 1901. a chrome liquid switch optical fiber; 1902. a nickel liquid switch optical fiber; 1903. a cadmium liquid switching fiber; 20. a main array port switch instruction line; 21. a water sample conveying pipe; 22. a detection data transmission line; 23. monitoring an information transmission line; 24. an overrun information transmission line; 25. a waste liquid discharge communicating pipe; 2501. a chromium liquid communicating pipe; 2502. a nickel liquid communicating pipe; 2503. a cadmium liquid communicating pipe.
Detailed Description
In the following, referring to fig. 1, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, in which:
an apparatus for automatically detecting plating water contamination and cutting off and returning to treatment, which is shown in figure 1: the system comprises a main sewage draining outlet 1, a main drainage sampling pump 2, a workshop branch drainage outlet 3, a branch drainage outlet sampling pump 4, a branch bottle sampler 5, a concentration monitor 6, a data acquisition instrument 7, an overrun controller 8, a branch drainage outlet electromagnetic valve 9, a main drainage outlet electromagnetic valve 10, a main drainage outlet reflux pump 11, a main drainage outlet emergency pool 12, a main drainage reprocessing device 13, a branch drainage outlet reflux pump 14, a branch drainage outlet emergency pool 15, a branch drainage reprocessing device 16, a supervision platform 17, a shunt communication pipe 18, a branch drainage outlet switch instruction line 19, a main drainage outlet switch instruction line 20, a water sample conveying pipe 21, a detection data conveying line 22, a monitoring information conveying line 23, an overrun information conveying line 24 and a branch drainage waste liquid communication pipe 25;
the separate discharging and retreating device 16 comprises a chromium liquid retreatment device 1601, a nickel liquid retreatment device 1602 and a cadmium liquid retreatment device 1603, and the wastewater of each workshop is respectively connected to the water inlet ends of the chromium liquid retreatment device 1601, the nickel liquid retreatment device 1602 and the cadmium liquid retreatment device 1603 and is used for independently treating the corresponding wastewater; the workshop branch discharge port 3 comprises a chromium liquid discharge port 301, a nickel liquid discharge port 302 and a cadmium liquid discharge port 303, and the water outlet ends of a chromium liquid reprocessor 1601, a nickel liquid reprocessor 1602 and a cadmium liquid reprocessor 1603 are respectively connected with the water inlet ends of the chromium liquid discharge port 301, the nickel liquid discharge port 302 and the cadmium liquid discharge port 303 and are used for independently discharging purified workshop wastewater; the branch outlet solenoid valve 9 comprises a chromium liquid solenoid valve 901, a nickel liquid solenoid valve 902 and a cadmium liquid solenoid valve 903, and the water outlet ends of the chromium liquid outlet 301, the nickel liquid outlet 302 and the cadmium liquid outlet 303 are respectively connected with the water inlet ends of the chromium liquid solenoid valve 901, the nickel liquid solenoid valve 902 and the cadmium liquid solenoid valve 903 through a first three-way pipe, so as to realize automatic opening and closing control of each outlet; the branch discharge outlet reflux pump 14 comprises a chromium liquid reflux pump 1401, a nickel liquid reflux pump 1402 and a cadmium liquid reflux pump 1403, and the side openings of the first three-way pipe are respectively connected with the water inlet ends of the chromium liquid reflux pump 1401, the nickel liquid reflux pump 1402 and the cadmium liquid reflux pump 1403 and are used for returning and retreating the workshop wastewater which does not reach the standard; the emergency pool 15 with the separate discharge port comprises a chromium liquid emergency pool 1501, a nickel liquid emergency pool 1502 and a cadmium liquid emergency pool 1503, the water outlet ends of the chromium liquid reflux pump 1401, the nickel liquid reflux pump 1402 and the cadmium liquid reflux pump 1403 are respectively connected with the water inlet ends of the chromium liquid emergency pool 1501, the nickel liquid emergency pool 1502 and the cadmium liquid emergency pool 1503 to be used for storing and connecting workshop wastewater which does not reach the standard and avoid external environment pollution caused by overflow, and the water outlet ends of the chromium liquid emergency pool 1501, the nickel liquid emergency pool 1502 and the cadmium liquid emergency pool 1503 are respectively connected with the water inlet ends of a chromium liquid reprocessor 1601, a nickel liquid reprocessor 1602 and a cadmium liquid reprocessor 1603;
the comprehensive wastewater is connected to the water inlet end of the main discharge retreatment device 13, the water outlet end of the main discharge retreatment device 13 is sequentially connected with the water outlet ends of the chromium liquid electromagnetic valve 901, the nickel liquid electromagnetic valve 902 and the cadmium liquid electromagnetic valve 903 through a diversion communication pipe 18, and the water outlet end of the diversion communication pipe 18 is connected with the water inlet end of the main sewage outlet 1, so that the purified workshop wastewater and the comprehensive wastewater are collected and input into the main sewage outlet 1; the water outlet end of the main sewage draining outlet 1 is connected with a main draining outlet electromagnetic valve 10 through a second three-way pipe, the water outlet end of the main draining outlet electromagnetic valve 10 is connected into an external environment, the side port of the second three-way pipe is connected with the water inlet end of a main draining outlet reflux pump 11, the water outlet end of the main draining outlet reflux pump 11 is connected with the water inlet end of a main draining outlet emergency pool 12, and the water outlet end of the main draining outlet emergency pool 12 is connected with the water inlet end of a main draining reprocessing device 13;
the branch discharge port sampling pump 4 comprises a chromium liquid sampling pump 401, a nickel liquid sampling pump 402 and a cadmium liquid sampling pump 403, side ports of a chromium liquid discharge port 301, a nickel liquid discharge port 302 and a cadmium liquid discharge port 303 are respectively connected with water inlet ends of the chromium liquid sampling pump 401, the nickel liquid sampling pump 402 and the cadmium liquid sampling pump 403 for regularly pumping wastewater according to a set period, a branch discharge waste liquid communicating pipe 25 comprises a chromium liquid communicating pipe 2501, a nickel liquid communicating pipe 2502 and a cadmium liquid communicating pipe 2503, water outlet ends of the chromium liquid sampling pump 401, the nickel liquid sampling pump 402 and the cadmium liquid sampling pump 403 are respectively connected with water inlet ends of the branch bottle samplers 5 through the chromium liquid communicating pipe 2501, the nickel liquid communicating pipe 2502 and the cadmium liquid communicating pipe 2503 for quantitatively pumping wastewater of each workshop into the branch bottle samplers 5, mutually separating and avoiding mixing before detection, a side port of a main discharge port 1 is mutually connected with a water inlet end of a main discharge sampling pump 2, the water outlet end of the main discharge sampling pump 2 is connected with the water inlet end of the bottle dividing sampler 5 and is used for quantitatively pumping the comprehensive wastewater into the bottle dividing sampler 5;
the water outlet end of the bottle-dividing sampler 5 is connected with the water inlet end of the concentration monitor 6 through a water sample conveying pipe 21, the output end of the concentration monitor 6 is electrically connected with the input end of the data acquisition instrument 7 through a detection data transmission line 22, the output end of the data acquisition instrument 7 is electrically connected with the supervision platform 17 and the overrun controller 8 through a monitoring information transmission line 23 and an overrun information transmission line 24 respectively, the output end of the data acquisition instrument 7 is used for sending the detected concentration data of various waste liquids to the supervision platform 17 and the overrun controller 8 simultaneously, the branch outlet switch instruction line 19 comprises a chromium liquid switch optical fiber 1901, a nickel liquid switch optical fiber 1902 and a cadmium liquid switch optical fiber 1903, and the output end of the overrun controller 8 is electrically connected with the input ends of the chromium liquid electromagnetic valve 901, the nickel liquid electromagnetic valve 902, the cadmium liquid electromagnetic valve 903 and the main outlet switch instruction line 20 respectively, for independently controlling the corresponding solenoid valves to open or close.
The workshop branch discharge port 3, the branch discharge port sampling pump 4, the branch discharge port electromagnetic valve 9, the branch discharge port return pump 14, the branch discharge port emergency pool 15, the branch discharge reprocessing device 16, the branch discharge port switch instruction line 19 and the branch discharge waste liquid communicating pipe 25 are correspondingly arranged one by one and independently distributed, so that independent detection, higher precision and more accurate positioning are realized; the main discharge port emergency pool 12 and the branch discharge port emergency pool 15 are pool bodies with enough capacity, so that the overflow is avoided easily; the comprehensive wastewater contains wastewater of each workshop, and the wastewater of each workshop comprises but is not limited to heavy metals such as chromium, nickel, cadmium, silver, lead, mercury and the like, and can monitor not less than 7 indexes such as toxic total chromium, hexavalent chromium, total nickel, total silver, total lead, total mercury and the like.
The working principle of the invention is as follows:
a method for automatically detecting electroplating water pollutants, cutting off and returning to treatment comprises the following steps:
A. a set of automatic sampling pump, a bottle-dividing sampler 5, a concentration monitor 6, a data acquisition instrument 7, an overrun controller 8, an electromagnetic valve, a reflux pump, an emergency pool, a reprocessing device and a matched water pipe are respectively arranged at the main sewage draining outlet 1 and each workshop branch draining outlet 3;
B. wastewater from the main sewage draining outlet 1 and each workshop branch draining outlet 3 sequentially enters a bottle-dividing sampler 5 and the same set of concentration monitor 6 through a sampling pump and a water pipe so as to measure results of one or more heavy metals such as total chromium, hexavalent chromium, total nickel, total partition, total silver, total lead, total mercury and the like of the main draining outlet and detection results of each index of each workshop;
C. the concentration monitor 6 transmits the detection result to a data acquisition instrument 7, the acquired data information is transmitted to an overrun controller 8, the data information is analyzed by software to obtain the concentration and position information of the overproof overrun point position, a cutoff instruction is sent to the electromagnetic valve of the overproof overrun point position to cut off the electromagnetic valve, a starting instruction is sent to a reflux pump of the point position to make the cut-off overproof overrun wastewater flow back to a corresponding emergency pool, and then the wastewater is input into a retreatment device to enter a retreatment program;
D. and when the concentration is detected to reach the standard, the normal sewage discharge system is automatically started again, and the cutting-off and starting instructions and the data information are transmitted to a government supervision platform 17 and a high-level manager of an enterprise in real time through the data acquisition instrument 7, wherein the information acquired by the data acquisition instrument 7 comprises the concentration, the discharge flow, the return processing point position, the return flow, the return processing time interval and the like of the sewage discharge outlet at each point position at different times.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.

Claims (6)

1. An automatic detection, overrun cut-off and return processing device for pollutants in electroplating water comprises a main sewage draining outlet (1), a main draining sampling pump (2), a workshop branch draining outlet (3), a branch draining outlet sampling pump (4), a branch bottle sampler (5), a concentration monitor (6), a data acquisition instrument (7), an overrun controller (8), a branch draining outlet electromagnetic valve (9), a main draining outlet electromagnetic valve (10), a main draining outlet reflux pump (11) and a main draining outlet emergency pool (12), the system comprises a main discharge reprocessing device (13), a branch discharge port reflux pump (14), a branch discharge port emergency pool (15), a branch discharge reprocessing device (16), a supervision platform (17), a shunt communicating pipe (18), a branch discharge port switch instruction line (19), a main discharge port switch instruction line (20), a water sample conveying pipe (21), a detection data transmission line (22), a monitoring information transmission line (23), an overrun information transmission line (24) and a branch discharge waste liquid communicating pipe (25);
the device is characterized in that the branch discharge retreatment device (16) comprises a chromium liquid retreatment processor (1601), a nickel liquid retreatment processor (1602) and a cadmium liquid retreatment processor (1603), and the wastewater of each workshop is respectively connected to the water inlet ends of the chromium liquid retreatment processor (1601), the nickel liquid retreatment processor (1602) and the cadmium liquid retreatment processor (1603); the workshop branch discharge port (3) comprises a chromium liquid discharge port (301), a nickel liquid discharge port (302) and a cadmium liquid discharge port (303), and the water outlet ends of the chromium liquid reprocessor (1601), the nickel liquid reprocessor (1602) and the cadmium liquid reprocessor (1603) are respectively connected with the water inlet ends of the chromium liquid discharge port (301), the nickel liquid discharge port (302) and the cadmium liquid discharge port (303); the branch discharge port electromagnetic valve (9) comprises a chromium liquid electromagnetic valve (901), a nickel liquid electromagnetic valve (902) and a cadmium liquid electromagnetic valve (903), and the water outlet ends of the chromium liquid discharge port (301), the nickel liquid discharge port (302) and the cadmium liquid discharge port (303) are connected with the water inlet ends of the chromium liquid electromagnetic valve (901), the nickel liquid electromagnetic valve (902) and the cadmium liquid electromagnetic valve (903) through a first three-way pipe respectively; the branch discharge port reflux pump (14) comprises a chromium liquid reflux pump (1401), a nickel liquid reflux pump (1402) and a cadmium liquid reflux pump (1403), and the side ports of the first three-way pipe are respectively connected with the water inlet ends of the chromium liquid reflux pump (1401), the nickel liquid reflux pump (1402) and the cadmium liquid reflux pump (1403); the emergency pool (15) with the separate discharge ports comprises a chromium liquid emergency pool (1501), a nickel liquid emergency pool (1502) and a cadmium liquid emergency pool (1503), water outlet ends of a chromium liquid reflux pump (1401), a nickel liquid reflux pump (1402) and a cadmium liquid reflux pump (1403) are respectively connected with water inlet ends of the chromium liquid emergency pool (1501), the nickel liquid emergency pool (1502) and the cadmium liquid emergency pool (1503) mutually, and water outlet ends of the chromium liquid emergency pool (1501), the nickel liquid emergency pool (1502) and the cadmium liquid emergency pool (1503) are respectively connected with water inlet ends of a chromium liquid reprocessor (1601), a nickel liquid reprocessor (1602) and a cadmium liquid reprocessor (1603) mutually;
the comprehensive wastewater is connected to the water inlet end of the main discharge retreatment device (13), the water outlet end of the main discharge retreatment device (13) is sequentially connected with the water outlet ends of the chromium liquid electromagnetic valve (901), the nickel liquid electromagnetic valve (902) and the cadmium liquid electromagnetic valve (903) through a diversion communicating pipe (18), and the water outlet end of the diversion communicating pipe (18) is connected with the water inlet end of the main sewage outlet (1); the water outlet end of the main sewage draining outlet (1) is connected with a main draining outlet electromagnetic valve (10) through a second three-way pipe, the water outlet end of the main draining outlet electromagnetic valve (10) is connected into an external environment, the side port of the second three-way pipe is connected with the water inlet end of a main draining outlet reflux pump (11), the water outlet end of the main draining outlet reflux pump (11) is connected with the water inlet end of a main draining outlet emergency pool (12), and the water outlet end of the main draining outlet emergency pool (12) is connected with the water inlet end of a main draining reprocessing device (13);
the branch drain sampling pump (4) comprises a chromium liquid sampling pump (401), a nickel liquid sampling pump (402) and a cadmium liquid sampling pump (403), the side openings of a chromium liquid drain (301), a nickel liquid drain (302) and a cadmium liquid drain (303) are respectively connected with the water inlet ends of the chromium liquid sampling pump (401), the nickel liquid sampling pump (402) and the cadmium liquid sampling pump (403) mutually, the branch drain waste liquid communicating pipe (25) comprises a chromium liquid communicating pipe (2501), a nickel liquid communicating pipe (2502) and a cadmium liquid communicating pipe (2503), the water outlet ends of the chromium liquid sampling pump (401), the nickel liquid sampling pump (402) and the cadmium liquid sampling pump (403) are respectively connected with the water inlet ends of the branch bottle samplers (5) through the chromium liquid communicating pipe (2501), the nickel liquid communicating pipe (2502) and the cadmium liquid communicating pipe (2503), the side opening of the total drain (1) is connected with the water inlet end of the total drain sampling pump (2), the water outlet end of the main row sampling pump (2) is connected with the water inlet end of the bottle dividing sampler (5);
divide the water outlet end of bottle sample thief (5) to pass through water sample conveyer pipe (21) and the end interconnect of intaking of concentration monitor (6), the output of concentration monitor (6) is through detecting the input electric connection of data transmission line (22) and data acquisition appearance (7), the output of data acquisition appearance (7) is respectively through monitoring information transmission line (23), transfinite information transmission line (24) and supervision platform (17), transfinite controller (8) electric connection, divide row's mouth switch instruction line (19) to include chromium liquid switch optic fibre (1901), nickel liquid switch optic fibre (1902) and cadmium liquid switch optic fibre (1903), and the output of transfinite controller (8) passes through chromium liquid switch optic fibre (1901), nickel liquid switch optic fibre (1902), cadmium liquid switch optic fibre (1903) and total row mouth switch instruction line (20) respectively with chromium liquid solenoid valve (901), The input ends of the nickel liquid electromagnetic valve (902), the cadmium liquid electromagnetic valve (903) and the main discharge electromagnetic valve (10) are electrically connected.
2. The device for automatically detecting, cutting off and returning the pollutants in the electroplating water to be treated according to claim 1, wherein the workshop branch discharge port (3), the branch discharge port sampling pump (4), the branch discharge port electromagnetic valve (9), the branch discharge port reflux pump (14), the branch discharge port emergency pool (15), the branch discharge reprocessing device (16), the branch discharge port switch instruction line (19) and the branch discharge waste liquid communicating pipe (25) are correspondingly arranged one by one.
3. The apparatus for automatic detection of plating water contamination and cutoff return processing according to claim 1, wherein the main discharge emergency tank (12) and the branch discharge emergency tank (15) are tank bodies having sufficient capacity.
4. An apparatus for automatic detection of plating water contaminants for shut-down for return processing according to claim 1, wherein said integrated wastewater comprises wastewater from each plant, and wherein the wastewater from each plant includes but is not limited to heavy metals such as chromium, nickel, cadmium, silver, lead, mercury, etc.
5. A method for automatically detecting electroplating water pollutants, cutting off and returning to treatment is characterized by comprising the following steps:
A. a set of automatic sampling pump, a bottle-dividing sampler (5), a concentration monitor (6), a data acquisition instrument (7), an overrun controller (8), an electromagnetic valve, a reflux pump, an emergency pool, a reprocessing device and a matched water pipe are respectively arranged at the main sewage draining outlet (1) and each workshop branch draining outlet (3);
B. waste water from the main sewage draining outlet (1) and each workshop branch draining outlet (3) sequentially enters a branch bottle sampler (5) and the same set of concentration monitor (6) through a sampling pump and a water pipe so as to determine results of one or more heavy metals such as total chromium, hexavalent chromium, total nickel, total silver, total lead, total mercury and the like of the main draining outlet and detection results of each index of each workshop;
C. the concentration monitor (6) transmits the detection result to a data acquisition instrument (7), the acquired data information is transmitted to an overrun controller (8), the data information is analyzed by software to obtain the concentration and position information of the overproof overrun point position, a cut-off instruction is sent to an electromagnetic valve of the overproof overrun point position to cut off the electromagnetic valve, a starting instruction is sent to a reflux pump of the point position to make the cut-off overproof overrun wastewater flow back to a corresponding emergency pool, and then the wastewater is input into a reprocessing device to enter a reprocessing program;
D. when the detected concentration reaches the standard, the normal sewage discharge system is automatically started again, and the cutting-off and starting instructions and the data information are transmitted to a government supervision platform (17) and a high-level manager of an enterprise in real time through the data acquisition instrument (7).
6. The method for automatic detection and over-limit cutting-off and return processing of the pollutants in the electroplating water as claimed in claim 5, wherein the information collected by the data collecting instrument (7) comprises the concentration of the sewage outlets at each point in different time, the discharge flow, the return processing point, the return flow, the return processing time interval and the like.
CN202210388441.8A 2022-04-14 2022-04-14 Method and device for automatically detecting out-of-limit cutting-off return treatment of electroplating water pollutants Active CN114894989B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210388441.8A CN114894989B (en) 2022-04-14 2022-04-14 Method and device for automatically detecting out-of-limit cutting-off return treatment of electroplating water pollutants

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210388441.8A CN114894989B (en) 2022-04-14 2022-04-14 Method and device for automatically detecting out-of-limit cutting-off return treatment of electroplating water pollutants

Publications (2)

Publication Number Publication Date
CN114894989A true CN114894989A (en) 2022-08-12
CN114894989B CN114894989B (en) 2023-05-30

Family

ID=82718430

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210388441.8A Active CN114894989B (en) 2022-04-14 2022-04-14 Method and device for automatically detecting out-of-limit cutting-off return treatment of electroplating water pollutants

Country Status (1)

Country Link
CN (1) CN114894989B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102435462A (en) * 2011-09-21 2012-05-02 东南大学 Intelligent waste water sampling control system and sampling control method thereof
CN205061599U (en) * 2015-10-19 2016-03-02 江苏天泽环保科技有限公司 Total amount control system with be in charge of and handle centralized monitoring
CN205709935U (en) * 2016-05-03 2016-11-23 江苏泰坤环保科技有限公司 Waste water processes exhausting control management system
CN207866807U (en) * 2017-10-30 2018-09-14 太仓创造电子有限公司 Nickel-containing waste water on-line measurement automatic discharge system
US20210208173A1 (en) * 2020-01-08 2021-07-08 Paul Lighton Fluid Monitoring Systems & Methods
CN214504234U (en) * 2021-02-22 2021-10-26 浙江尖峰药业有限公司 Automatic control equipment for preventing standard exceeding discharge of wastewater indexes

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102435462A (en) * 2011-09-21 2012-05-02 东南大学 Intelligent waste water sampling control system and sampling control method thereof
CN205061599U (en) * 2015-10-19 2016-03-02 江苏天泽环保科技有限公司 Total amount control system with be in charge of and handle centralized monitoring
CN205709935U (en) * 2016-05-03 2016-11-23 江苏泰坤环保科技有限公司 Waste water processes exhausting control management system
CN207866807U (en) * 2017-10-30 2018-09-14 太仓创造电子有限公司 Nickel-containing waste water on-line measurement automatic discharge system
US20210208173A1 (en) * 2020-01-08 2021-07-08 Paul Lighton Fluid Monitoring Systems & Methods
CN214504234U (en) * 2021-02-22 2021-10-26 浙江尖峰药业有限公司 Automatic control equipment for preventing standard exceeding discharge of wastewater indexes

Also Published As

Publication number Publication date
CN114894989B (en) 2023-05-30

Similar Documents

Publication Publication Date Title
KR102172981B1 (en) Smart sewage treatment Operation System
CN101424932B (en) Waste water separate collection monitoring method and system in electroplating industrial park
CN101477034B (en) On-line high-spectrum monitoring instrument for water trace element
CN109879474A (en) Dynamic adjustment type sewage operating condition processing system
CN111489271A (en) Sewage management cloud platform
CN111612678A (en) Method for realizing sewage management cloud platform
CN112830533A (en) Urban sewage discharge control system and method
CN109782725A (en) Sewage managing and control system based on monitoring water quality on line index
CN112433037A (en) Outdoor water quality monitoring station
CN205750502U (en) A kind of can management and control blowdown monitoring system
CN101786675A (en) Device and method for separating multi-parameter wastewater sources
CN209858539U (en) Ambient air, peculiar smell stench class and VOC gas monitoring system
CN205450634U (en) Intelligence rainwater drainage monitored control system based on internet of things
CN214750211U (en) Automatic water quality monitoring system
CN211735657U (en) Sewage discharge system and sewage monitoring system
CN114705636A (en) Water quality on-line monitor capable of being maintained remotely and monitoring method
CN114894989A (en) Method and device for automatic detection, overrun cutting-off and return treatment of pollutants in electroplating water
CN1815160A (en) Waste-water on-line monitoring synchronous sampling sample-leaving system
CN105824302A (en) Controllable sewage discharge monitoring system
CN202870071U (en) Waste water monitoring device and system
CN106568788A (en) X-ray fluorescence technology based sewage heavy metal on-line detection device and monitoring method
CN102749430B (en) Waste water monitoring device, system and method
CN206772641U (en) A kind of water quality sampling pretreatment system
CN215296818U (en) Automatic sampling system of quality of water
CN211292599U (en) Soft water hardness on-line monitoring system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant