CN114956402B - Sewage purification method adopting lamellar spray coupling DBD discharge - Google Patents
Sewage purification method adopting lamellar spray coupling DBD discharge Download PDFInfo
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- CN114956402B CN114956402B CN202210823172.3A CN202210823172A CN114956402B CN 114956402 B CN114956402 B CN 114956402B CN 202210823172 A CN202210823172 A CN 202210823172A CN 114956402 B CN114956402 B CN 114956402B
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/24—Drives
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/4608—Treatment of water, waste water, or sewage by electrochemical methods using electrical discharges
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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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
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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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
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The utility model discloses a sewage purification method adopting lamellar spray coupling DBD discharge, and relates to the technical field of sewage purification, comprising a coarse filtration device and a booster pump arranged on one side of the coarse filtration device, wherein a connecting pipe communicated with a water inlet end of the booster pump is arranged at an opening at the bottom of the coarse filtration device, a liquid discharge pipe is arranged at a liquid outlet end of the booster pump, and a fine filtration device is arranged at the tail end of the liquid discharge pipe; valves are arranged at the tail end of the connecting pipe and the head end of the liquid discharge pipe, and pressure gauges for water pressure monitoring are arranged on the valves; according to the utility model, through the cooperation of the rough filtering device and the fine filtering device, the continuous sewage is changed into discontinuous sewage particles by adopting a lamellar spray coupling DBD discharge method, and the sewage particles are sprayed out in a lamellar spray mode and are vertical to the discharge direction, so that the full contact of active particles and sewage liquid drop particles is ensured, the purification efficiency is improved, and the purification speed is accelerated.
Description
Technical Field
The utility model relates to the technical field of sewage purification, in particular to a sewage purification method adopting lamellar spray coupling DBD discharge.
Background
The sewage purification is a practical problem which needs to be faced and solved in the fields of industry, transportation, medical treatment and the like at present; according to different industries, the components of the sewage are different, so that different purification technologies are required to be used for the sewage in different fields; currently, the main methods of sewage purification include mechanical methods, ultraviolet radiation methods, electrolytic methods, chemical methods, oxidation methods, and the like, which have respective advantages and disadvantages; and compared with the prior art related to the utility model, such as Chinese patent publication number: CN101559994B, name: a double-channel discharge plasma water treatment device; the Chinese utility model patent publication No.: CN202107566U, name: an apparatus for high voltage discharge plasma water treatment;
the characteristics of the comparison scheme are that the sewage to be treated is used as an electrode plate or a dielectric plate for atmospheric discharge to directly generate plasma on the surface of water, and the comparison scheme has the advantages of improving the effective contact area between the plasma and the water, and the comparison scheme has the disadvantages that the conductivity of the water is lower, larger proportion of electric energy can be consumed, and the energy efficiency is reduced; therefore, the utility model provides a sewage purification method adopting lamellar spray coupling DBD discharge in combination with a plasma technology.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a sewage purification method adopting lamellar spray coupling DBD discharge.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the sewage purification method adopting lamellar spray coupling DBD discharge comprises a rough filtration device and a booster pump arranged on one side of the rough filtration device, wherein a connecting pipe communicated with a water inlet end of the booster pump is arranged at an opening at the bottom of the rough filtration device, a liquid discharge pipe is arranged at a liquid outlet end of the booster pump, and a fine filtration device for purifying sewage is arranged at the tail end of the liquid discharge pipe; valves are arranged at the tail end of the connecting pipe and the head end of the liquid discharge pipe, and pressure gauges for water pressure monitoring are arranged on the valves;
the fine filtering device comprises a cross hole nozzle fixedly communicated with the tail end of the drain pipe, insulating mediums arranged on two sides below the cross hole nozzle and electrode plates arranged on the outer wall of the insulating mediums, and an alternating current power supply is electrically connected between the two electrode plates;
the pore canal in the cross hole nozzle consists of more than one inlet and a narrow slit-shaped outlet, the narrow slit-shaped outlet in the lower part of the cross hole nozzle is in a shape of being wide at the upper part and narrow at the lower part, and the bottom end of the outlet of the cross hole nozzle is contracted into a shape of a strip-shaped sheet mouth.
Preferably, the rough filtering device comprises a rough filtering leakage barrel, a longitudinal beam longitudinally arranged in the upper part of the rough filtering leakage barrel, a fixed annular plate horizontally arranged on the upper part of the inner wall of the rough filtering leakage barrel, a rough filtering collecting hopper vertically movably arranged in the fixed annular plate, a drainage filter hopper arranged in the outlet of the bottom of the rough filtering collecting hopper and a slag discharging hose arranged on the outlet of the bottom of the drainage filter hopper, wherein the lower part of the rear end surface of the rough filtering leakage barrel is fixedly communicated with a slag discharging pipe, and the bottom end of the slag discharging hose is fixedly communicated with the inner end of the slag discharging pipe; a transmission mechanism for the coarse filtration collecting hopper to lift up and down in a reciprocating manner is arranged in the longitudinal beam; rack plates matched with the transmission mechanism are vertically arranged at the front end and the rear end of the top of the rough filtration collecting hopper, and return assemblies are arranged on the periphery of the bottom surface of the rough filtration collecting hopper; a fine crushing mechanism for crushing sheet impurities in the sewage is arranged in the rough filtering collecting hopper; the upper part of the coarse filtration collecting hopper is internally provided with a bearing annular plate, and the top of the bearing annular plate is horizontally lapped with a filter screen plate.
Preferably, return subassembly is including vertically locating a plurality of stabilizer bars of straining collection fill bottom surface week side, the bottom activity of stabilizer bar runs through to fixed crown block below and the rigid coupling has the anticreep board, movable cover is equipped with reset spring on the stabilizer bar of fixed crown block below, movable cover is equipped with anticollision spring on the stabilizer bar of fixed crown block top.
Preferably, the transmission mechanism comprises a double-shaft motor arranged in the middle of the longitudinal beam, a rotating shaft longitudinally rotating in the front end and the rear end of the longitudinal beam and a through hole vertically penetrating through the front end and the rear end of the top surface of the longitudinal beam, the inner end of the rotating shaft is coaxially fixedly connected with a driving shaft of the double-shaft motor, the outer end of the rotating shaft movably penetrates into the through hole and is fixedly sleeved with an incomplete gear, the top end of the rack plate is movably inserted into the through hole, and the incomplete gear is meshed with the rack plate for transmission.
Preferably, the fine crushing mechanism comprises a transmission box arranged in the middle of the inner wall of the front end of the coarse filtering collecting hopper, a pair of stirring shafts longitudinally arranged between the two transmission boxes in a rotating way, a plurality of fine crushing cutter bars equidistantly arranged on the stirring shafts and a guide cylinder fixedly penetrating through the front end and the rear end of the top surface of the supporting annular plate, and a driving assembly for driving the stirring shafts is arranged in the guide cylinder; the fine crushing cutter bars on the two stirring shafts are arranged in a staggered manner front and back; two ends of the stirring shaft movably penetrate into the transmission box; the front end and the rear end of the top surface of the filter screen plate are matched with the guide cylinder to form a positioning opening, and the top end of the guide cylinder extends out of the positioning opening of the filter screen plate.
Preferably, the driving assembly comprises a double-sided rack bar vertically movably arranged in the guide cylinder, transmission gears fixedly sleeved at two ends of the stirring shaft and a guide opening penetrating through the middle of the top surface of the transmission box, the top end of the double-sided rack bar is fixedly connected with the bottom surface of the longitudinal beam, the bottom end of the double-sided rack bar extends into the transmission box from the guide opening, and teeth on two sides of the double-sided rack bar are meshed with two transmission gears respectively in the same transmission box.
Preferably, the sealing washer has been cup jointed fixedly to the top of prefilter collection fill outer wall, the sealing groove has been seted up to the cooperation sealing washer on the inner wall on prefilter hourglass bucket upper portion, be equipped with the seal cover in the sealing groove, the outer end of sealing washer and the sealed movable butt of inner wall of seal cover.
Preferably, a plurality of filtering openings are formed in the periphery of the outer walls of the lower parts of the coarse filtration collecting hopper and the drainage filter hopper at equal intervals, and honeycomb-hole-shaped filter screens are arranged in the filtering openings.
Compared with the prior art, the utility model has the beneficial effects that: the utility model adopts the cooperation of the rough filtering device and the fine filtering device to change the sewage into the pressure accumulating sewage which is purified for the first time by rough filtering and pressurizing; spraying the primarily purified sewage by adopting a spray hole with a cross seam structure to form flat fan-shaped sewage droplet particle spray; using a flat DBD discharge structure to enable flat fan-shaped sewage spray to enter an electric field space in a parallel direction; by adopting the method of lamellar spray coupling DBD discharge, on one hand, continuous sewage is changed into discontinuous sewage particles, and on the other hand, the sewage particles are sprayed out in a lamellar spray mode and are vertical to the discharge direction, so that the full contact of active particles and sewage liquid drop particles is ensured, the purification efficiency is improved, the purification speed is increased, and the efficient purification effect on sewage is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of the fine filter device of the present utility model;
FIG. 3 is a cross-sectional view of one side structure of the coarse filtration drain barrel of the present utility model;
FIG. 4 is a cross-sectional view of one side of the straining collection hopper of the present utility model;
FIG. 5 is a cross-sectional view of one side structure of the transmission case of the present utility model;
fig. 6 is a schematic top view of the stirring shaft of the present utility model.
Number in the figure: 1. a coarse filtration device; 2. a booster pump; 3. a pressure gauge; 4. a valve; 5. a fine filtering device; 6. a longitudinal beam; 7. rack plate; 8. a stabilizer bar; 9. a return spring; 10. a biaxial motor; 11. a rotating shaft; 12. an incomplete gear; 13. a guide cylinder; 14. a double-sided rack bar; 15. a stirring shaft; 16. a transmission gear; 101. coarse filtering and leaking barrels; 102. a fixed ring plate; 103. a coarse filtration collection hopper; 104. a drain filter; 105. a slag discharging pipe; 106. a deslagging hose; 51. a cross hole nozzle; 52. an insulating medium; 53. an electrode plate; 54. an alternating current power supply.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Examples: referring to fig. 1-6, a sewage purifying method adopting lamellar spray coupling DBD discharge comprises a rough filtering device 1 and a booster pump 2 arranged on one side of the rough filtering device 1, wherein a connecting pipe communicated with a water inlet end of the booster pump 2 is arranged at an opening at the bottom of the rough filtering device 1, a liquid discharge pipe is arranged at a liquid outlet end of the booster pump 2, and a fine filtering device 5 for sewage purification is arranged at the tail end of the liquid discharge pipe; the tail end of the connecting pipe and the head end of the liquid discharge pipe are both provided with valves 4, and the valves 4 are both provided with pressure gauges 3 for water pressure monitoring; the fine filtering device comprises a cross hole nozzle 51 fixedly communicated with the tail end of the drain pipe, insulating media 52 arranged on two sides below the cross hole nozzle 51, and electrode plates 53 arranged on the outer wall of the insulating media 52, wherein an alternating current power supply 54 is electrically connected between the two electrode plates 53; the pore canal in the cross hole nozzle 51 consists of more than one inlet and a narrow slit-shaped outlet, the narrow slit-shaped outlet in the lower part of the cross hole nozzle 51 is in a shape of wide upper part and narrow lower part, and the bottom end of the outlet of the cross hole nozzle 51 is contracted into a shape of a strip-shaped sheet mouth; the utility model adopts the cooperation of the rough filtering device 1 and the fine filtering device 5 to change the sewage into pressure accumulating sewage which is purified for the first time by rough filtering and pressurizing; spraying the primarily purified sewage by adopting a spray hole with a cross seam structure to form flat fan-shaped sewage droplet particle spray; using a flat DBD discharge structure to enable flat fan-shaped sewage spray to enter an electric field space in a parallel direction; by adopting the method of lamellar spray coupling DBD discharge, on one hand, continuous sewage is changed into discontinuous sewage particles, and on the other hand, the sewage particles are sprayed out in a lamellar spray mode and are vertical to the discharge direction, so that the full contact of active particles and sewage liquid drop particles is ensured, the purification efficiency is improved, the purification speed is increased, and the efficient purification effect on sewage is realized.
In the utility model, a rough filtering device 1 comprises a rough filtering leakage barrel 101, a longitudinal beam 6 longitudinally arranged in the upper part of the rough filtering leakage barrel 101, a fixed ring plate 102 horizontally arranged in the upper part of the inner wall of the rough filtering leakage barrel 101, a rough filtering collecting hopper 103 vertically movably arranged in the fixed ring plate 102, a drainage filter hopper 104 arranged in the outlet of the bottom of the rough filtering collecting hopper 103 and a slag discharging hose 106 arranged on the outlet of the bottom of the drainage filter hopper 104, wherein a slag discharging pipe 105 is fixedly communicated with the lower part of the rear end surface of the rough filtering leakage barrel 101, and the bottom end of the slag discharging hose 106 is fixedly communicated with the inner end of the slag discharging pipe 105; a transmission mechanism for reciprocating lifting of the coarse filtration collecting hopper 103 is arranged in the longitudinal beam 6; rack plates 7 matched with the transmission mechanism are vertically arranged at the front end and the rear end of the top of the rough filtration collecting hopper 103, and return assemblies are arranged on the periphery of the bottom surface of the rough filtration collecting hopper 103; a fine crushing mechanism for crushing sheet impurities in the sewage is arranged in the rough filtering collecting hopper 103; a supporting annular plate is arranged in the upper part of the coarse filtration collecting hopper 103, and the top of the supporting annular plate is horizontally lapped with a filtration screen plate; the efficiency and the anti-blocking effect of the sewage coarse filtration are improved conveniently.
In the utility model, the return assembly comprises a plurality of stabilizer bars 8 vertically arranged on the periphery of the bottom surface of the rough filtration collecting bucket 103, the bottom ends of the stabilizer bars 8 movably penetrate through the lower part of the fixed ring plate 102 and are fixedly connected with an anti-drop plate, a return spring 9 is movably sleeved on the stabilizer bars 8 below the fixed ring plate 102, and an anti-collision spring is movably sleeved on the stabilizer bars 8 above the fixed ring plate 102, so that the rough filtration collecting bucket 103 can conveniently lift up and down in the rough filtration leaking bucket 101 in a reciprocating mode.
In the utility model, the transmission mechanism comprises a double-shaft motor 10 arranged in the middle of the longitudinal beam 6, a rotating shaft 11 longitudinally rotating in the front end and the rear end of the longitudinal beam 6 and a through hole vertically penetrating the front end and the rear end of the top surface of the longitudinal beam 6, the inner end of the rotating shaft 11 is coaxially and fixedly connected with a driving shaft of the double-shaft motor 10, the outer end of the rotating shaft 11 movably penetrates into the through hole and is fixedly sleeved with an incomplete gear 12, the top end of a rack plate 7 is movably inserted in the through hole, and the incomplete gear 12 is meshed with the rack plate 7 for transmission, so that the coarse filtration collecting hopper 103 can be conveniently subjected to reciprocating lifting transmission.
In the utility model, the fine crushing mechanism comprises a transmission box arranged in the middle of the inner wall of the front end of the coarse filtering collecting hopper 103, a pair of stirring shafts 15 longitudinally arranged between the two transmission boxes in a rotating way, a plurality of fine crushing cutter bars equidistantly arranged on the stirring shafts 15, and a guide cylinder 13 fixedly penetrating through the front end and the rear end of the top surface of a bearing annular plate, wherein a driving component for driving the stirring shafts 15 is arranged in the guide cylinder 13; the fine crushing cutter bars on the two stirring shafts 15 are arranged in a staggered way from front to back; both ends of the stirring shaft 15 movably penetrate into the transmission box; the front and rear ends of the top surface of the filter screen plate are matched with the guide cylinder 13 to form a positioning opening, and the top end of the guide cylinder 13 extends out of the positioning opening of the filter screen plate, so that flaky and large-volume impurities in sewage can be crushed conveniently.
In the utility model, the driving assembly comprises a double-sided rack bar 14 vertically movably arranged in the guide cylinder 13, transmission gears 16 fixedly sleeved at two ends of the stirring shaft 15 and a guide opening penetrating through the middle of the top surface of the transmission box, the top end of the double-sided rack bar 14 is fixedly connected with the bottom surface of the longitudinal beam 6, the bottom end of the double-sided rack bar 14 extends into the transmission box from the guide opening, teeth at two sides of the double-sided rack bar 14 are meshed with the two transmission gears 16 in the same transmission box respectively for transmission, and the reciprocating forward and reverse rotation switching transmission of the fine crushing mechanism is facilitated.
In the utility model, the top of the outer wall of the rough filtration collecting bucket 103 is fixedly sleeved with the sealing ring, the inner wall of the upper part of the rough filtration leaking barrel 101 is matched with the sealing ring to form the sealing groove, the sealing groove is internally provided with the sealing sleeve, the outer end of the sealing ring is in sealing movable abutting joint with the inner wall of the sealing sleeve, and the sealing performance between the rough filtration collecting bucket 103 and the rough filtration leaking barrel 101 during reciprocating lifting is convenient to improve.
In the utility model, a plurality of filtering openings are formed on the periphery of the outer walls of the lower parts of the coarse filtration collecting hopper 103 and the drainage filter hopper 104 at equal intervals, and honeycomb-hole-shaped filter screens are arranged in the filtering openings, so that impurities can be conveniently directly led to the inside of the coarse filtration collecting hopper 103 and the drainage filter hopper 104.
Working principle: in this embodiment, the present utility model also provides a method for purifying sewage by adopting lamellar spray coupling DBD discharge, including the following steps:
firstly, electrically connecting the double-shaft motor 10, the booster pump 2 and the alternating current power supply 54 with external control equipment through leads, and then communicating the outer end of the slag discharging pipe 105 with an external slag collecting device; then pouring the sewage to be treated into the rough filtering device 1, controlling the double-shaft motor 10 to drive the incomplete gear 12 at the outer end of the rotating shaft 11 to rotate, and enabling the rack plate 7 to drive the rough filtering collecting hopper 103 to ascend in the rough filtering leakage barrel 101 through the engagement of the incomplete gear 12 and the rack plate 7;
step two, through the rising of the rough filtration collecting bucket 103, the stabilizing rod 8 is conveniently driven to rise, the anti-drop block reset spring 9 is further compressed, the double-sided rack bar 14 is driven by the driving gear 16 while the rough filtration collecting bucket 103 rises, and further the two stirring shafts 15 are reversely rotated, so that the flocculent large-volume impurities in the sewage are chopped and refined through the fine crushing blades on the reverse stirring shafts 15; then, sewage poured into the rough filtration collecting bucket 103 conveniently enters the rough filtration leaking barrel 101 from the inside of the filtering port under the action of the filter screen, impurities in the sewage are retained in the rough filtration collecting bucket 103 and the drainage filter bucket 104, and then the impurities retained in the rough filtration collecting bucket 103 and the drainage filter bucket 104 are discharged out of the rough filtration device 1 through the cooperation of the slag discharging hose 106 and the slag discharging pipe 105;
step three, when the rotating shaft 11 drives the smooth surface end of the incomplete gear 12 to be opposite to the rack plate 7, the incomplete gear 12 is not meshed with the rack plate 7 at the moment, then under the action of the reset spring 9, the rough filtering collecting hopper 103 and the drainage filter hopper 104 can fall back quickly, further the impurities retained in the rough filtering collecting hopper 103 and the drainage filter hopper 104 can be subjected to the vibration and sliding action, the retained impurities are effectively prevented from being attached to the inner walls of the rough filtering collecting hopper 103 and the drainage filter hopper 104, the discharge of the impurities is accelerated conveniently, and meanwhile, the impurities are effectively prevented from being blocked in the slag discharging hose 106;
step four, when the rough filtration collection bucket 103 and the drainage filter bucket 104 fall back quickly, the two stirring shafts 15 are convenient to rotate through the meshing of the double-sided rack bar 14 and the transmission gear 16, so that the two stirring shafts 15 can be always in a rotating state of alternating forward and reverse rotation, and the situation that impurities are wound on a shaft body can be avoided greatly;
fifthly, after rough filtration of sewage treatment, water enters the booster pump 2 through the connecting pipe, and then the sewage is pressurized by the booster pump 2; the water body enters the fine filtering device 5 under higher pressure, then the sewage after primary purification enters the cross hole nozzle 51 under certain pressure, and the inner pore canal of the cross hole nozzle 51 consists of more than one inlet and a narrow slit-shaped outlet, so that the sewage is sprayed out in a shape similar to a flat fan shape, and continuous sewage is converted into discontinuous liquid drop particles at the moment; subsequently, these innumerable liquid droplet particles composed of the sewage constitute a macroscopic flat sector, and enter into the DBD discharge space formed by the cooperation between the insulating medium 52 and the electrode plate 53, and the plane of the sprayed flat sector-shaped sewage is parallel to the plane of the electrode structure and perpendicular to the discharge direction;
step six, then the DBD structure composed of the insulating medium 52 and the electrode plates 53 starts to discharge, and a uniform electric field is formed between the two electrode plates 53; then, a large amount of active particles and electrons generated in the electric field generate directional movement along the directions of the two electrode plates, so that the active particles and electrons are likely to collide with liquid drop particles in the space of the electric field, and substances such as viruses, bacteria and microorganisms contained in the liquid drop particles are killed due to sufficient contact with the active particles, so that the effect of fine filtration and purification on sewage is achieved, and the efficient purification effect on the sewage is realized.
The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.
Claims (5)
1. The utility model provides a sewage purification method that adoption lamellar spray coupling DBD discharged, includes straining device (1) and locates booster pump (2) of straining device (1) one side, its characterized in that: a connecting pipe communicated with the water inlet end of the booster pump (2) is arranged at the bottom opening of the rough filtering device (1), a liquid discharge pipe is arranged at the liquid outlet end of the booster pump (2), and a fine filtering device (5) for purifying sewage is arranged at the tail end of the liquid discharge pipe; the tail end of the connecting pipe and the head end of the liquid discharge pipe are both provided with valves (4), and the valves (4) are both provided with pressure gauges (3) for water pressure monitoring;
the fine filtering device (5) comprises a cross hole nozzle (51) fixedly communicated with the tail end of the drain pipe, insulating media (52) arranged on two sides below the cross hole nozzle (51) and electrode plates (53) arranged on the outer wall of the insulating media (52), and an alternating current power supply (54) is electrically connected between the two electrode plates (53);
the pore canal inside the cross hole nozzle (51) consists of more than one inlet and a narrow slit-shaped outlet, the narrow slit-shaped outlet in the lower part of the cross hole nozzle (51) is in a shape of wide upper part and narrow lower part, and the bottom end of the outlet of the cross hole nozzle (51) is contracted into a shape of a strip-shaped sheet mouth;
the coarse filtration device (1) comprises a coarse filtration leakage barrel (101), a longitudinal beam (6) longitudinally arranged in the upper part of the coarse filtration leakage barrel (101), a fixed annular plate (102) horizontally arranged on the upper part of the inner wall of the coarse filtration leakage barrel (101), a coarse filtration collection hopper (103) vertically movably arranged in the fixed annular plate (102), a drainage filter hopper (104) arranged in the bottom outlet of the coarse filtration collection hopper (103) and a slag discharge hose (106) arranged on the bottom outlet of the drainage filter hopper (104), wherein a slag discharge pipe (105) is fixedly communicated with the lower part of the rear end face of the coarse filtration leakage barrel (101), and the bottom end of the slag discharge hose (106) is fixedly communicated with the inner end of the slag discharge pipe (105); a transmission mechanism for reciprocating lifting of the coarse filtration collecting hopper (103) is arranged in the longitudinal beam (6); rack plates (7) matched with a transmission mechanism are vertically arranged at the front end and the rear end of the top of the rough filtration collecting hopper (103), and return assemblies are arranged on the periphery of the bottom surface of the rough filtration collecting hopper (103); a fine crushing mechanism for crushing the flaky impurities in the sewage is arranged in the rough filtering collecting hopper (103); a supporting annular plate is arranged in the upper part of the rough filtration collecting hopper (103), and the top of the supporting annular plate is horizontally lapped with a filter screen plate;
the fine crushing mechanism comprises a transmission box arranged in the middle of the inner wall of the front end of the coarse filtering collecting hopper (103), a pair of stirring shafts (15) longitudinally arranged between the two transmission boxes in a rotating mode, a plurality of fine crushing cutter bars equidistantly arranged on the stirring shafts (15) and a guide cylinder (13) fixedly penetrating through the front end and the rear end of the top surface of the supporting annular plate, and a driving assembly for driving the stirring shafts (15) is arranged in the guide cylinder (13); the fine crushing cutter bars on the two stirring shafts (15) are arranged in a staggered way in the front-back direction; both ends of the stirring shaft (15) movably penetrate into the transmission box; the front end and the rear end of the top surface of the filter screen plate are matched with a guide cylinder (13) to form a positioning opening, and the top end of the guide cylinder (13) extends out of the positioning opening of the filter screen plate;
the driving assembly comprises a double-sided rack bar (14) vertically movably arranged inside the guide cylinder (13), transmission gears (16) fixedly sleeved at two ends of the stirring shaft (15) and a guide opening penetrating through the middle of the top surface of the transmission box, the top end of the double-sided rack bar (14) is fixedly connected with the bottom surface of the longitudinal beam (6), the bottom end of the double-sided rack bar (14) extends into the transmission box from the guide opening, and teeth on two sides of the double-sided rack bar (14) are meshed with two transmission gears (16) inside the same transmission box respectively.
2. The method for purifying sewage by adopting lamellar spray coupling DBD discharge according to claim 1, wherein: the return subassembly is including vertically locating a plurality of stabilizer bars (8) of straining collection fill (103) bottom surface week side, the bottom activity of stabilizer bar (8) runs through to fixed ring board (102) below and the rigid coupling has the anticreep board, movable cover is equipped with reset spring (9) on stabilizer bar (8) of fixed ring board (102) below, movable cover is equipped with anticollision spring on stabilizer bar (8) of fixed ring board (102) top.
3. The method for purifying sewage by adopting lamellar spray coupling DBD discharge according to claim 2, wherein: the transmission mechanism comprises a double-shaft motor (10) arranged in the middle of a longitudinal beam (6), a rotating shaft (11) longitudinally rotating and arranged in the front end and the rear end of the longitudinal beam (6) and a through hole vertically penetrating and being formed in the front end and the rear end of the top surface of the longitudinal beam (6), the inner end of the rotating shaft (11) is fixedly connected with a driving shaft of the double-shaft motor (10) coaxially, the outer end of the rotating shaft (11) movably penetrates into the through hole and is fixedly sleeved with an incomplete gear (12), the top end of a rack plate (7) is movably inserted into the through hole, and the incomplete gear (12) is meshed with the rack plate (7) for transmission.
4. A sewage purification method using a laminar spray coupled DBD discharge according to claim 3, wherein: the top of the outer wall of the rough filtration collecting hopper (103) is fixedly sleeved with a sealing ring, the inner wall of the upper part of the rough filtration leaking barrel (101) is provided with a sealing groove in a matched mode, a sealing sleeve is arranged in the sealing groove, and the outer end of the sealing ring is in sealing movable butt joint with the inner wall of the sealing sleeve.
5. The method for purifying sewage by adopting lamellar spray coupling DBD discharge according to claim 4, wherein the method comprises the following steps: the periphery of the outer walls of the lower parts of the coarse filtration collection hopper (103) and the drainage filter hopper (104) are provided with a plurality of filtration ports at equal intervals, and honeycomb-hole-shaped filter screens are arranged in the filtration ports.
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