CN112010476B - Emergency wastewater disinfection method and equipment thereof - Google Patents

Emergency wastewater disinfection method and equipment thereof Download PDF

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Publication number
CN112010476B
CN112010476B CN202010730857.4A CN202010730857A CN112010476B CN 112010476 B CN112010476 B CN 112010476B CN 202010730857 A CN202010730857 A CN 202010730857A CN 112010476 B CN112010476 B CN 112010476B
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unit
disinfection
wastewater
solid
killing
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CN112010476A (en
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蒋宝平
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Suzhou Hong 'an Environmental Technology Co ltd
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Suzhou Hong 'an Environmental Technology Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
    • B01D2259/804—UV light
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/29—Chlorine compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physical Water Treatments (AREA)

Abstract

The invention discloses an emergency wastewater disinfection method and equipment thereof, wherein the emergency wastewater disinfection method comprises an equipment body, wherein the equipment body comprises a solid-liquid separation unit, a disinfection unit and a control unit; a plurality of grid bars are arranged in the solid-liquid separation unit, and a plurality of elliptic discs are connected to the grid bars in a matching way; the end part of the grid strip is provided with a funnel, the wall of the funnel is provided with a plurality of liquid leakage holes, one side of the solid-liquid separation unit is communicated with a killing unit, and the killing unit comprises a first killing unit and a second killing unit; a plurality of disinfection grooves are formed in the first disinfection unit, a waste gas collecting pipeline is arranged on at least one disinfection groove, and one end of the waste gas collecting pipeline is connected with a purification fan; the second sterilizing unit is provided with a plurality of ultraviolet sterilizing units, one side of the second sterilizing unit is provided with a tee joint, the tee joint is respectively connected with a water outlet and a return pipeline, electromagnetic valves are arranged on the water outlet and the return pipeline, and one side of the tee joint is provided with a residual chlorine detection probe; the control unit is used for controlling the on-off of the electromagnetic valve.

Description

Emergency wastewater disinfection method and equipment thereof
Technical Field
The invention relates to the field of wastewater disinfection, in particular to an emergency wastewater disinfection method and equipment thereof.
Background
The waste water is a general term of water and runoff rainwater drained in the process of activities of residents. The sewage treatment system comprises domestic sewage, industrial wastewater, primary rainwater and other non-useful water flowing into a drainage pipe canal and the like, generally refers to water which can not be recycled after certain technical treatment or prepared and purified after primary pollution and has difficulty in reaching a certain standard, particularly the hospital wastewater which is mainly discharged by diagnosis and treatment rooms, laboratory rooms, sickrooms, laundry rooms, X-ray photography rooms, operating rooms and the like of hospitals and has complex sources and components and high harmfulness. The sewage contains a large amount of pathogenic bacteria, viruses and chemical agents, has the characteristics of space pollution, acute infection and latent infection, and then a large amount of sewage can be generated in aquatic product markets, farmer markets and public places such as apartments, hotels, districts, schools and the like.
Most of the existing wastewater treatment equipment needs manual approaching treatment equipment, the automation degree of the equipment is not high, the people are easily infected by certain viruses, potential safety hazards are brought, the treatment mode is single, multi-process disinfection treatment cannot be carried out, the practicability is not strong, the traditional wastewater treatment is realized, a residual chlorine detection probe is not arranged, whether the disinfected sewage reaches the standard or not cannot be detected, cyclic control and purification are difficult to be carried out on the sewage which does not reach the standard, and the automation degree is lower.
Disclosure of Invention
The invention aims to provide an emergency wastewater disinfection device to overcome the defects in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows: an emergency wastewater disinfection device comprises a device body, and is characterized in that the device body comprises a solid-liquid separation unit, a disinfection unit and a control unit;
a plurality of grid bars are arranged in the solid-liquid separation unit, a plurality of elliptic discs are connected to the grid bars in a matching manner, the elliptic discs can rotate, and the elliptic discs move along the length direction of the grid bars in the rotating process;
the end part of the grating strip is provided with a funnel, the wall of the funnel is provided with a plurality of liquid leakage holes, and the sizes of the liquid leakage holes are gradually reduced from the upper part to the lower part of the funnel;
one side of the solid-liquid separation unit is communicated with a killing unit, and the killing unit comprises a first killing unit and a second killing unit;
a plurality of disinfection grooves are formed in the first disinfection unit, a waste gas collecting pipeline is arranged on at least one disinfection groove, and one end of the waste gas collecting pipeline is connected with a purification fan;
the second killing unit is provided with a plurality of ultraviolet killing units, the ultraviolet killing units can irradiate ultraviolet light, one side of the second killing unit is provided with a tee joint, the tee joint is respectively connected with a water outlet and a backflow pipeline, electromagnetic valves are arranged on the water outlet and the backflow pipeline, and one side of the tee joint is provided with a residual chlorine detection probe;
the control unit is used for controlling the opening and closing of the electromagnetic valve.
Preferably, the disinfection tank is connected with a medicament storage unit through a medicament feeding pipe, at least one medicament storage box is arranged in the medicament storage unit, and a disinfectant is arranged in the medicament storage box.
Preferably, a dosing machine is connected to one side of the medicine storage box, and the disinfectant in the medicine storage box can be added into the disinfection tank through the dosing machine.
Preferably, the equipment body is provided with at least one water inlet which is communicated with the solid-liquid separation unit.
Preferably, the ultraviolet sterilization unit can be an AFUV ultraviolet lamp tube, and the illumination wavelength of the AFUV ultraviolet lamp tube is 252.5-254.3nm.
Preferably, the bottom of the funnel is provided with a corrugated pipe, and the bottom of the corrugated pipe is provided with a collection box.
Preferably, the disinfection device further comprises a return pipeline, wherein one end of the return pipeline is connected to the disinfection tank, and the other end of the return pipeline is connected to the water outlet through a tee joint.
Preferably, purification fan one side is provided with the gas outlet, the gas outlet tip is provided with the filter cartridge, filter cartridge inside is provided with the active carbon.
The invention also provides an emergency wastewater disinfection method, which comprises the following steps:
s1; the emergency wastewater enters a solid-liquid separation unit from a water inlet and is separated by a single solid-liquid separation member;
s2: the separated liquid enters a first disinfection tank, disinfectant is added into the first disinfection tank through a dosing machine, and the mixture is stirred for 1 to 2 hours through a stirring mechanism;
s3: collecting waste gas generated in the stirring process through a waste gas collecting pipeline, and purifying through a purifying fan;
s4: the wastewater in the S2 enters a second disinfection tank after being disinfected by a disinfection agent in the first disinfection tank, and is irradiated by an ultraviolet lamp in an ultraviolet disinfection unit in the second disinfection tank for sterilization;
s5: the wastewater sterilized by the ultraviolet sterilizing unit is discharged through a water outlet, and index detection is carried out on the wastewater by a residual chlorine detection probe at the water outlet;
s6: when the index detection reaches a normal index, discharging the water through a water outlet pump; when the wastewater index detection does not reach the normal index, the electromagnetic valve is controlled to be opened and closed through the control unit, and wastewater is subjected to circular disinfection in the first disinfection tank through the return pipeline.
Preferably, the control unit is controlled by a PLC.
Preferably, an electric control disc is arranged on one side of the equipment body.
Compared with the prior art, the invention has the beneficial effects that:
(1) The special high-energy high-UV ultraviolet light beam is arranged in the sterilizing equipment to irradiate the malodorous gas and change the malodorous gas such as: ammonia, trimethylamine, hydrogen sulfide, methylthio hydrogen, methyl mercaptan, methyl sulfide, dimethyl disulfide, carbon disulfide and styrene, sulfides H2S, VOC and molecular chain structures of benzene, toluene and xylene, so that molecular chains of organic or inorganic high-molecular malodorous compounds are degraded and converted into low-molecular compounds such as CO2, H2O and the like under the irradiation of high-energy ultraviolet light beams.
(2) The purified gas is provided with an active carbon filter box at the discharge port, and the gas is further purified and then discharged. The wastewater sterilized by the first sterilizing tank and the second sterilizing tank enters AFUV ultraviolet sterilizing equipment through a water outlet pump for sterilization treatment, the irradiation waveband of an AFUV ultraviolet lamp tube is concentrated at a UVC waveband of 253.7nm, namely the effective wavelength absorbed by DNA is concentrated, the wave band can destroy DNA in cells, so that the DNA loses activity and stops propagation, and the sterilizing and killing effect is good.
(3) The solid-liquid separation unit is provided with grid bars and elliptical disks, the gaps between the grid bars are 2-3mm, sundries with particles larger than 3mm can be intercepted and separated, and the elliptical disks continuously rotate between the gaps, so that solid-liquid separation and self-cleaning are simultaneously carried out.
(4) Through the gyration of oval folding disk, carry the solid to the solid after the separation automatically and carry to solid collection funnel, carry out the secondary separation through the weeping hole on the funnel wall with remaining liquid on the solid, make the separation that liquid can the maximize to disinfect treatment in water conservancy diversion to first disinfection inslot with waste water.
(5) And a tee joint is arranged on one side of the second sterilizing unit, and the opening and closing of the two electromagnetic valves are controlled by the control unit, so that the wastewater is circularly sterilized, and the wastewater reaches qualified indexes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic front view in cross section of the present invention;
FIG. 3 is a schematic top cross-sectional view of the present invention;
specifically, 1, a solid-liquid separation unit, 2, a water inlet, 3 and grid bars; 4. the device comprises an elliptic disc, 5, a leakage pipe, 6, a corrugated pipe, 7, an air outlet, 8, a purifying fan, 9, waste gas purifying equipment 9, 10, a collecting box, 11, an electric control disc, 12, a water pump, 13, a medicine storage box, 14, a water outlet, 15, a medicine adding machine, 16, a funnel, 17, a leakage hole, 18, a medicine storage unit, 19, an ultraviolet sterilization unit, 20, a stirring mechanism, 21, a medicine adding opening, 22, a second sterilization tank, 23, a first sterilization tank, 24, a waste gas collecting pipeline, 25, a motor, 26, an electric control disc, 27, a solid collecting unit, 28, an instrument indicating unit, 29, a gas purifying unit, 30 and a medicine adding unit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1-3, an emergency wastewater disinfection device comprises a device body, wherein the device body comprises a solid-liquid separation unit 1, a disinfection unit and a control unit;
a plurality of grid strips 3 are arranged in the solid-liquid separation unit 1, a plurality of elliptic discs 4 are connected to the grid strips 3 in a matching manner, the elliptic discs 4 can rotate, and the elliptic discs 4 move along the length direction of the grid strips 3 in the rotating process;
the end part of the grid bar 3 is provided with a funnel 16, the wall of the funnel 16 is provided with a plurality of liquid leakage holes 17, and the size of the plurality of liquid leakage holes 17 is gradually reduced from the upper part to the lower part of the funnel 16;
one side of the solid-liquid separation unit 1 is communicated with a killing unit, and the killing unit comprises a first killing unit and a second killing unit;
a plurality of disinfection grooves are arranged in the first disinfection unit, a waste gas collecting pipeline is arranged on at least one disinfection groove, and one end of the waste gas collecting pipeline is connected with a purification fan 8;
the second unit that kills that disappears is provided with a plurality of ultraviolet unit that kills that disappears, and ultraviolet unit that kills that disappears can shine the ultraviolet light, and second unit one side that kills that disappears is provided with the tee bend, and the tee bend is connected with delivery port 14 and backflow pipeline respectively, all is provided with the solenoid valve on delivery port 14 and the backflow pipeline, and tee bend one side is provided with surplus chlorine detection probe, and the control unit is used for controlling the solenoid valve to lead to and closes.
It should be noted that, an electric control panel 11, a solid collection unit 27, a gas purification unit 29, an instrument indication unit 28 and a dosing unit 30 are arranged on one side of the equipment body, a waste gas purification device 9 is arranged in the gas purification unit, a purification fan 8 is connected to one side of the waste gas purification device 9, two dosing machines 15 are arranged in the dosing unit, the instrument indication unit comprises a plurality of indication meters, the indication meters can display waste water indexes, through the rotation of the elliptic folding disk 4, the separated solids are automatically conveyed to a separated solid and conveyed to a solid collection funnel 16, liquid remained on the solids is secondarily separated through a liquid leakage hole 17 in the wall of the funnel 16, so that the liquid can be maximally separated, thereby the waste water is guided to a first disinfection tank for disinfection, a tee joint is arranged on one side of a second disinfection unit, and the opening and closing of two electromagnetic valves are controlled by a control unit, thereby realizing the circular disinfection of the waste water, and enabling the waste water to reach qualified indexes.
Preferably, the disinfection tank is connected with a medicine storage unit through a medicine feeding pipe, at least one medicine storage box 13 is arranged in the medicine storage unit, a disinfectant is arranged in the medicine storage box 13, a medicine feeding machine 15 is connected to one side of the medicine storage box 13, and the disinfectant in the medicine storage box 13 can be fed into the disinfection tank through the medicine feeding machine 15.
Preferably, the equipment body is provided with at least one water inlet 2, and the water inlet 2 is communicated with the solid-liquid separation unit 1.
Preferably, the ultraviolet sterilizing unit 19 can be an AFUV ultraviolet lamp having an illumination wavelength of 252.5-254.3nm.
It should be noted that, the preferred AFUV ultraviolet lamp illumination wavelength is 252.5nm, 253.7nm and 254.3nm.
Preferably, the bottom of the funnel 16 is provided with a bellows 6, the bottom of the bellows 6 is provided with a collection tank 10, and the collection tank 10 is disposed within the solids collection unit.
Preferably, a return pipe is further included, one end of which is connected to the sterilizing tank and the other end of which is connected to the water outlet 14 through a tee.
Preferably, an air outlet 7 is arranged on one side of the purification fan 8, a filter box is arranged at the end part of the air outlet 7, and activated carbon is arranged inside the filter box.
It should be noted that the discharge port of the purified gas is provided with an activated carbon filter cartridge, and the gas is further purified and discharged. The wastewater sterilized by the first and second sterilizing tanks enters AFUV sterilizing equipment for sterilization through a water outlet pump 12, the irradiation waveband of an AFUV ultraviolet lamp tube is concentrated at a UVC waveband of 253.7nm, namely the effective wavelength absorbed by DNA is concentrated, the radiation waveband can destroy DNA in cells, so that the DNA loses activity and stops reproduction, and the sterilizing and killing effect is good.
It should be noted that the solid-liquid separation unit 1 is provided with grid bars 3 and elliptical disks 4, gaps are arranged between adjacent grid bars 3, the gaps between grid bars 3 are 2-3mm, impurities with particles larger than 3mm can be intercepted and separated, and the elliptical disks 4 continuously rotate between the gaps, so that solid-liquid separation and self-cleaning are simultaneously carried out.
The invention also provides an emergency wastewater disinfection method, which comprises the following steps:
s1; emergency wastewater enters a solid-liquid separation unit 1 from a water inlet 2 and is separated by a single solid-liquid separation member;
s2: the separated liquid enters a first disinfection tank, a disinfectant is added into the first disinfection tank through a medicine adding machine 15, and the mixture is stirred for 1 to 2 hours through a stirring mechanism;
s3: waste gas generated in the stirring process is collected through a waste gas collecting pipeline and then purified through a purifying fan 8;
s4: the wastewater in the S2 enters a second disinfection tank after being disinfected by a disinfectant in the first disinfection tank, and is irradiated and sterilized by an ultraviolet lamp in an ultraviolet disinfection unit in the second disinfection tank;
s5: the wastewater sterilized by the ultraviolet sterilizing unit is discharged through a water outlet 14, and index detection is carried out on the wastewater by a residual chlorine detection probe at the water outlet 14;
s6: when the index detection reaches a normal index, discharging the water through a water outlet pump 12; when the wastewater index detection does not reach the normal index, the electromagnetic valve is controlled to be opened and closed through the control unit, and wastewater is subjected to circular disinfection through the first disinfection tank of the backflow pipeline.
The waste water treatment system comprises a three-way pipe, a return pipe, a water outlet, a water pump, a control system, a waste water treatment system and a waste water treatment system, wherein a first electromagnetic valve is arranged at the joint of the three-way pipe and the return pipe, a second electromagnetic valve is arranged at the joint of the three-way pipe and the water outlet, a residual chlorine detection probe is arranged at the inlet of the water outlet pump, the second electromagnetic valve is opened, the first electromagnetic valve is closed, the waste water enters AFUV (atomic fluorescence UV) ultraviolet sterilization equipment for sterilization and disinfection and then is discharged, and the water quantity is measured by a pipe flowmeter connected to the pipe; if the residual chlorine in the sewage does not reach the set value, the first electromagnetic valve is opened, the second electromagnetic valve is closed, the wastewater flows into the first disinfection tank through the backflow pipeline for re-disinfection, the control unit adopts full PLC control, and the whole equipment is controlled.
In conclusion, the working process of the sterilizing and killing equipment is as follows, emergency wastewater enters the integrated sterilizing and killing equipment through the water inlet 2, and solid-liquid separation is firstly carried out on solid impurities in the wastewater in the solid-liquid separation unit 1. The solid-liquid separation unit 1 is provided with grid bars 3 and an elliptic disc 4, the elliptic disc 4 is driven by a motor 25 to rotate, gaps between adjacent grid bars of the grid bars are 2-3mm, and impurities with particles larger than 3mm can be intercepted and separated. The elliptical disk 4 continuously rotates between the gaps to simultaneously separate solid and liquid and clean the solid and automatically convey the separated solid to the solid collecting hopper 16 through the rotation of the elliptical disk. The solids pass through collection funnel 16 and then through collection bellows 6 into a solids collection tank.
It is empty to be covered with the weeping on the 16 walls of funnel, remaining liquid on the solid is through the weeping idle flow to the bottom liquid receiving disc on the 16 walls of funnel through funnel 16, waste water after solid-liquid separation gets into first disinfection groove 23 through weeping pipe 5 and carries out disinfection processing, first disinfection groove 23 top is equipped with rabbling mechanism 20, first disinfection groove 23 all is equipped with dosing mouth 21 with second disinfection groove 22 one side, the medicament in the explosive box 13 is extracted through dosing machine 15, and through the dosing pipe, add first disinfection groove 23, disinfect through contacting with water with the medicament under the stirring of rabbling mechanism 20, be equipped with waste gas collection pipeline 24 on first disinfection groove 23, the waste gas that produces during waste water disinfection passes through the collection mouth on the waste gas collection pipeline 24 and gets into exhaust gas purification equipment 9 under the traction of purification fan 8 and purify, the gas after the purification is equipped with the active carbon filter box at the discharge port, further purify back emission, be equipped with purpose-made-to-purpose-built high energy high ultraviolet ray light beam foul gas in the disinfection equipment, change foul gas such as: ammonia, trimethylamine, hydrogen sulfide, methylthio hydrogen, methyl mercaptan, methyl sulfide, dimethyl disulfide, carbon disulfide and styrene, sulfides H2S, VOC, molecular chain structures of benzene, toluene and xylene, so that organic or inorganic polymer malodorous compound molecular chains are degraded and converted into low molecular compounds such as CO2, H2O and the like under the irradiation of high-energy ultraviolet light beams.
The wastewater disinfected by the first disinfection tank 23 overflows into the second disinfection tank 22, the wastewater disinfected by the second disinfection tank 22 enters the AFUV disinfection unit 19 for disinfection treatment through the water outlet pump 12 according to the principle and the flow, the unit uses AFUV ultraviolet lamp tubes and is concentrated at the position of 253.7nm of a UVC wave band, and the wave band is the position where effective wavelengths absorbed by DNA are concentrated. It can cause DNA in cells to become destructive, rendering them inactive and halting propagation. The ultraviolet treatment can kill bacteria, viruses, spores and molds, and the water is discharged through the water outlet 14 after being treated by the AFUV sterilization unit 19.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. An emergency wastewater disinfection device comprises a device body, and is characterized in that the device body comprises a solid-liquid separation unit, a disinfection unit and a control unit;
a plurality of grid bars are arranged in the solid-liquid separation unit, a plurality of elliptic disks are connected to the grid bars in a matching manner, the elliptic disks can rotate, and the elliptic disks move along the length direction of the grid bars in the rotating process;
the end part of the grating strip is provided with a funnel, the wall of the funnel is provided with a plurality of liquid leakage holes, and the sizes of the liquid leakage holes are gradually reduced from the upper part to the lower part of the funnel;
one side of the solid-liquid separation unit is communicated with a killing unit, and the killing unit comprises a first killing unit and a second killing unit;
a plurality of disinfection tanks are arranged in the first disinfection unit, a waste gas collecting pipeline is arranged on at least one disinfection tank, and one end of the waste gas collecting pipeline is connected with a purification fan;
the second killing unit is provided with a plurality of ultraviolet killing units, the ultraviolet killing units can irradiate ultraviolet light, one side of the second killing unit is provided with a tee joint, the free end of the tee joint is respectively connected with a water outlet and a return pipeline, the water outlet and the return pipeline are both provided with electromagnetic valves, and one side of the tee joint is provided with a residual chlorine detection probe;
the control unit is used for controlling the opening and closing of the electromagnetic valve;
the sterilizing tank is connected with a medicament storage unit through a medicament feeding pipe, at least one medicament storage box is arranged in the medicament storage unit, and a disinfectant is arranged in the medicament storage box;
adding the disinfectant in the medicine storage box into the disinfection tank through a medicine adding machine;
the ultraviolet killing unit can be an AFUV ultraviolet lamp tube, and the illumination wavelength of the AFUV ultraviolet lamp tube is 252.5-254.3nm;
the disinfection device further comprises a return pipeline, wherein one end of the return pipeline is connected to the disinfection tank, and the other end of the return pipeline is connected to the water outlet through a tee joint.
2. The emergency wastewater disinfection apparatus of claim 1, wherein the apparatus body is provided with at least one water inlet, and the water inlet is communicated with the solid-liquid separation unit.
3. The emergency wastewater disinfection apparatus of claim 1, wherein the bottom of the funnel is provided with a bellows, and the bottom of the bellows is provided with a collection tank.
4. The emergency wastewater disinfection device of claim 1, wherein an air outlet is arranged on one side of the purification fan, a filter box is arranged at the end part of the air outlet, and activated carbon is arranged inside the filter box.
5. Method of using an emergency waste water disinfection apparatus according to any of the claims 1-4, comprising the steps of:
s1; the emergency wastewater enters a solid-liquid separation unit from a water inlet and is separated by a single solid-liquid separation member;
s2: the separated liquid enters a first disinfection tank, disinfectant is added into the first disinfection tank through a dosing machine, and the mixture is stirred for 1 to 2 hours through a stirrer;
s3: collecting waste gas generated in the stirring process through a waste gas collecting pipeline, and purifying through a purifying fan;
s4: the wastewater in the S2 enters a second disinfection tank after being disinfected by a disinfection agent in the first disinfection tank, and is irradiated by an ultraviolet lamp in an ultraviolet disinfection unit in the second disinfection tank for sterilization;
s5: the wastewater sterilized by the ultraviolet sterilizing unit is discharged through a water outlet, and index detection is carried out on the wastewater by a residual chlorine detection probe at the water outlet;
s6: when the index detection reaches a normal index, discharging the water through a water outlet pump; when the wastewater index detection does not reach the normal index, the electromagnetic valve is controlled to be opened and closed through the control unit, and wastewater is subjected to circular disinfection through the first disinfection tank of the backflow pipeline.
6. A method for wastewater disinfection according to claim 5, wherein said control unit is PLC controlled.
CN202010730857.4A 2020-07-27 2020-07-27 Emergency wastewater disinfection method and equipment thereof Active CN112010476B (en)

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CN110002663A (en) * 2019-02-28 2019-07-12 南京永禾环保工程有限公司 A kind of waste water treatment system
CN209210550U (en) * 2018-10-29 2019-08-06 苏州智为环境科技有限公司 A kind of integration hospital sewage treatment device
CN110342691A (en) * 2019-08-16 2019-10-18 江苏沛尔膜业股份有限公司 A kind of medical sewage sterilizing and purifying device with waste material separation function
CN210287092U (en) * 2019-08-06 2020-04-10 云南水佩科技有限公司 Multi-medium filtering sewage treatment device capable of operating in stages

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5240597A (en) * 1991-01-30 1993-08-31 Iwao Ueda Waste water treatment equipment
EP2236466A1 (en) * 2009-03-31 2010-10-06 Algaewheel Technologies, LLC Installation for biological wastewater treatment
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