CN110642423A - Urban sewage treatment device and sewage treatment process method thereof - Google Patents
Urban sewage treatment device and sewage treatment process method thereof Download PDFInfo
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- CN110642423A CN110642423A CN201910937403.1A CN201910937403A CN110642423A CN 110642423 A CN110642423 A CN 110642423A CN 201910937403 A CN201910937403 A CN 201910937403A CN 110642423 A CN110642423 A CN 110642423A
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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
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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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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Abstract
The invention discloses a town sewage treatment device and a sewage treatment process method thereof, wherein the town sewage treatment device comprises the following steps: the sewage treatment device sequentially comprises a flocculation tank, a purification tank and a reverse osmosis filter tank along the flowing direction of sewage; the flocculation tank, the purification tank and the reverse osmosis filter tank are sequentially communicated; a coagulation liquid inlet pipe is communicated with and arranged on the flocculation tank, a rotary purification structure is horizontally arranged on the flocculation tank, and the rotary purification structure is arranged in the purification tank in a semi-immersed manner; and a permeable membrane cylinder is arranged in the reverse osmosis filter box, and sewage is subjected to osmotic filtration through the permeable membrane cylinder. The invention can fully purify various insoluble substances and soluble substances in the sewage, and the sewage is more thoroughly purified and has better purification effect.
Description
Technical Field
The invention relates to a town sewage treatment device and a sewage treatment process method thereof.
Background
In the existing urban sewage, the sewage mainly contains inorganic salt particles, organic suspended substances, organic soluble substances, a large amount of bacteria, viruses and the like; the existing conventional sewage purification equipment cannot effectively purify various pollutants in sewage fully.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a town sewage treatment device and a sewage treatment process method thereof, which can solve the problems.
The technical scheme is as follows: in order to realize the purpose, the town sewage treatment device comprises: the sewage treatment device sequentially comprises a flocculation tank, a purification tank and a reverse osmosis filter tank along the flowing direction of sewage; the flocculation tank, the purification tank and the reverse osmosis filter tank are sequentially communicated; a coagulation liquid inlet pipe is communicated with and arranged on the flocculation tank, a rotary purification structure is horizontally arranged on the flocculation tank, and the rotary purification structure is arranged in the purification tank in a semi-immersed manner; a permeable membrane cylinder is arranged in the reverse osmosis filter box, and sewage is subjected to osmotic filtration through the permeable membrane cylinder; the flocculation tank is used for flocculating and settling the inflowing sewage, so that organic suspended pollutants in the sewage are mutually aggregated under the action of a flocculating agent and are separated out from the sewage; the rotary purification structure in the purification box is provided with active carbon filler balls, various organic soluble pollutants in the sewage are adsorbed through the adsorption action of the active carbon, and chlorine is injected into the purification box to disinfect and sterilize the sewage; the permeable membrane cylinder in the reverse osmosis filter tank carries out reverse osmosis filtration on original inorganic salt ions in sewage and inorganic salt ions generated in the flocculation tank and the water purification tank, so that various insoluble substances and soluble substances in the sewage are fully purified, the purification treatment of the sewage is more thorough, and the purification effect is better.
Furthermore, a filtering clapboard is arranged in the flocculation tank and divides the inside of the flocculation tank into an upper cavity and a lower cavity; a concrete liquid inlet pipe is communicated with the side wall of the lower cavity, and the bottom of the lower cavity is gathered in a funnel shape; the upper cavity and the purification box are communicated through a first liquid through pipe; one end of the first liquid through pipe extends into the bottom of the upper cavity, and the other end of the first liquid through pipe is communicated with the top in the purifying box; the suspended pollutant in the sewage is filtered and isolated through the filtering partition plate, and the suspended pollutant in the flocculation box is prevented from entering the purification box through the first liquid through pipe.
Furthermore, the liquid inlet end part of the coagulation liquid inlet pipe is respectively communicated with a sewage liquid inlet pipe and a coagulation liquid medicine pipe through a three-way pipe, the liquid outlet part of the coagulation liquid medicine pipe extends into the coagulation liquid inlet pipe, the liquid outlet part of the coagulation liquid medicine pipe and the coagulation liquid inlet pipe are coaxially arranged, a plurality of liquid outlet holes are uniformly and circumferentially arranged on the side wall of the liquid outlet part of the coagulation liquid medicine pipe, and the top end of the liquid outlet part of the coagulation liquid medicine pipe is arranged in a tapered shape along the flowing direction of sewage in the coagulation liquid inlet pipe; therefore, sewage and a coagulant can flow into the lower cavity of the flocculation box after being fully mixed in the coagulation liquid inlet pipe, so that the flocculation precipitation effect of the sewage in the lower cavity is better, and suspended pollutants in the sewage are fully precipitated.
Furthermore, the purifying box comprises a purifying box body and a purifying box cover arranged on the side wall of the purifying box body, a supporting limit column is arranged on the purifying box cover, a limit hole matched with the supporting limit column is arranged at the side end of the purifying box body, and the supporting limit column is horizontally and telescopically arranged in the limit hole of the purifying box body; a sealing ring is arranged at the sealed position of the inner side end of the purifying box cover and the purifying box body, and the sealing ring is matched with an inner cavity opening of the purifying box body; the sealing ring is arranged in a frustum shape; the purifying box cover and the purifying box body are better in sealing performance, and sewage is prevented from flowing out of a gap of the purifying box cover.
Furthermore, the purifying box body is arranged in a square structure, and the inner cavity of the purifying box body is arranged in a cylindrical shape; the rotary purification structure is coaxially and rotatably arranged in the cylindrical inner cavity of the purification box body; the rotary purification structure comprises a rotary frame and a packing cylinder, the periphery of the packing cylinder is arranged at the outer end of the rotary frame, and the length direction of the packing cylinder is arranged along the axial direction of the rotary frame; the side wall of the filler cylinder is provided with a plurality of through holes, the filler cylinder is filled with active carbon filler balls, and the diameter of each active carbon filler ball is larger than that of each through hole; a chlorine generating device is arranged at the outer side end of the purifying box body, an air outlet pipe of the chlorine generating device is communicated with the inner bottom of the purifying box body, an air return pipe is arranged at the top of the purifying box body, and the air return pipe is communicated with a chlorine generating part of the chlorine generating device; the rotary purification structure continuously stirs the sewage in the purification box, so that when chlorine is introduced into the sewage in the purification box for disinfection and sterilization, the rotary purification structure enables the chlorine to be more fully and thoroughly mixed with the sewage, and the disinfection and sterilization effect of the chlorine on the sewage is better; because the adsorption effect of the activated carbon filler balls, soluble pollutants in the sewage are adsorbed, and meanwhile, the chlorine in the sewage for killing bacteria and virus remains can also be adsorbed by the activated carbon filler balls, so that the sewage is purified more thoroughly.
Furthermore, a rotating motor is arranged at the outer side end of the purifying box cover, a rotating shaft is arranged on the rotating motor through a coupling in a transmission manner, the rotating shaft extends into the purifying box body, and the end part of the rotating shaft is rotatably arranged on the inner side wall, opposite to the purifying box cover, in the purifying box body; the rotating frame is sleeved on the rotating shaft and is arranged along with the rotating shaft in a rotating mode; the purification box cover is driven to be away from the purification box body through the supporting limiting column, and the rotary purification structure leaves from the interior of the purification box body along with the purification box cover; can just can take out inside rotatory purification structure through opening the purifying box lid like this, conveniently carry out regeneration treatment or change to rotatory purification structure terminal active carbon filled ball.
Furthermore, fixing plates are arranged at two ends of the rotating frames, and the filling cylinders are arranged at the top ends of the fixing plates between the rotating frames; a plurality of rotating plates are circumferentially arranged between the two fixed plates, and the surfaces of the rotating plates are perpendicular to the rotating direction of the rotating frame; the rotating plate is provided with a plurality of liquid leakage holes, and the middle part of the rotating plate is provided with liquid through grooves which penetrate through the two sides of the rotating plate; therefore, the rotating frame can stir the sewage in the purifying box more violently, the chlorine and the activated carbon filler balls can be in full contact with the sewage more favorably, and the purifying treatment effect of the sewage is better.
Furthermore, a second liquid through pipe arranged at the bottom of the purifying box body is communicated with a liquid inlet end in the reverse osmosis filter box; a liquid inlet cavity, a reverse osmosis filter cavity and a purified water cavity are sequentially arranged in the reverse osmosis filter box along the water flow direction; the reverse osmosis filter cavity is internally provided with a plurality of permeable membrane cylinders, the sewage inlet of each permeable membrane cylinder is arranged in the liquid inlet cavity, the filtered water outlet of each permeable membrane cylinder is arranged in the purified water cavity, and the purified water cavity is internally provided with a purified water outlet pipe communicated with the outside; the waste water outlet of the permeable membrane cylinder is arranged in the reverse osmosis filter cavity, and the reverse osmosis filter cavity is provided with a waste water outlet pipe communicated with the outside; and (3) carrying out reverse osmosis filtration on the sewage through the permeable membrane cylinder so as to remove inorganic salt ions in the sewage.
Furthermore, the permeable membrane cylinder sequentially comprises a shell, a first water inlet channel, a first membrane, a second water inlet channel, a second membrane and a third water inlet channel from outside to inside, wherein a water purification central pipe is arranged in the third water inlet channel, a plurality of through holes are formed in the side wall of the water purification central pipe, and the through holes are communicated with the third water inlet channel and the inner cavity of the water purification central pipe; the two ends of the permeable membrane cylinder are respectively provided with a water inlet cover and a water outlet cover, and the water inlet cover and the water outlet cover are respectively arranged at the two ends of the first water inlet channel, the second water inlet channel and the third water inlet channel in a sealing manner; the water inlet cover is provided with a sewage inlet communicated with the first water inlet channel; a waste water outlet communicated with the second water inlet channel is formed in the water outlet cover; the filtered water outlet of the water purifying central pipe extends out of the water outlet cover; annular water inlet runner networks are respectively arranged in the first water inlet channel, the second water inlet channel and the third water inlet channel; the water inlet runner net is arranged in the first water inlet channel in a wavy elastic extrusion manner, the wave crests of the water inlet runner net are arranged on the outer side wall of the first water inlet channel in an extrusion manner, and the wave troughs of the water inlet runner net are arranged on the inner side wall of the first water inlet channel in an extrusion manner; the first water inlet channel, the second water inlet channel and the third water inlet channel are elastically supported through the water inlet flow channel network, and the first water inlet channel, the second water inlet channel and the third water inlet channel are prevented from collapsing after being used for a long time to affect the permeation of sewage.
A sewage treatment process method comprises the following steps: the flocculation tank is used for flocculating and settling suspended pollutants in the sewage; a rotary purification structure is arranged in the water purification tank to adsorb and remove impurities from soluble organic matters in the sewage, and chlorine is injected into the water purification tank to disinfect and sterilize the sewage; the reverse osmosis filter box is internally provided with a permeable membrane cylinder for carrying out reverse osmosis filtration on original inorganic salt ions in sewage and inorganic salt ions generated in the flocculation box and the water purification box, and finally, the purification treatment of the sewage is finished, and the method comprises the following specific steps:
Has the advantages that: according to the town sewage treatment device and the sewage treatment process method thereof, the flocculation tank is used for flocculating and settling the inflowing sewage, so that organic suspended pollutants in the sewage are mutually aggregated under the action of the flocculating agent and are separated out from the sewage; the rotary purification structure in the purification box is provided with active carbon filler balls, various organic soluble pollutants in the sewage are adsorbed through the adsorption action of the active carbon, and chlorine is injected into the purification box to disinfect and sterilize the sewage; the permeable membrane cylinder in the reverse osmosis filter tank carries out reverse osmosis filtration on original inorganic salt ions in sewage and inorganic salt ions generated in the flocculation tank and the water purification tank, so that various insoluble substances and soluble substances in the sewage are fully purified, the purification treatment of the sewage is more thorough, and the purification effect is better.
Drawings
FIG. 1 is a schematic view of the overall structure of a sewage treatment apparatus according to the present invention;
FIG. 2 is a schematic view of the overall linear structure of the sewage treatment apparatus of the present invention;
FIG. 3 is a schematic view of a three-dimensional cross-sectional structure of a flocculation tank of the sewage treatment device of the present invention;
FIG. 4 is a schematic structural view of a front section of a flocculation tank of the sewage treatment device of the present invention;
FIG. 5 is an enlarged partial schematic view of FIG. 4 of the present invention;
FIG. 6 is a schematic view of a structure of a purification box of the sewage treatment apparatus of the present invention;
FIG. 7 is a first structural view of a rotary purifying structure of the sewage treatment apparatus of the present invention;
FIG. 8 is a second schematic view of a rotary purifying structure of the sewage treatment apparatus of the present invention;
FIG. 9 is a schematic sectional view of a reverse osmosis filter tank of the sewage treatment apparatus according to the present invention;
FIG. 10 is a schematic view showing the overall structure of a permeate membrane cartridge in a reverse osmosis filtration tank of the sewage treatment apparatus of the present invention;
FIG. 11 is a schematic view showing a vertical cross-sectional structure of a permeate membrane cartridge in a reverse osmosis filtration tank of the sewage treatment apparatus of the present invention;
FIG. 12 is a schematic cross-sectional view showing a structure of a permeate membrane cartridge in a reverse osmosis filtration tank of a sewage treatment apparatus according to the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The town sewage treatment device shown in the attached figures 1-12 comprises: the sewage treatment device sequentially comprises a flocculation tank 1, a purification tank 2 and a reverse osmosis filter tank 3 along the flowing direction of sewage; the flocculation tank 1, the purification tank 2 and the reverse osmosis filter tank 3 are sequentially communicated; a coagulation liquid inlet pipe 10 is communicated with the flocculation tank 1, and sewage enters the flocculation tank 1 through the coagulation liquid inlet pipe 10 for flocculation and precipitation; a rotary purification structure 4 is horizontally arranged in the purification box 2, and the rotary purification structure 4 is arranged in the purification box 1 in a semi-immersed manner; and a permeable membrane cylinder 5 is arranged in the reverse osmosis filter box 3, and sewage is subjected to osmotic filtration through the permeable membrane cylinder 5. The influent sewage is flocculated and settled through the flocculation tank 1, so that organic suspended pollutants in the sewage are mutually gathered under the action of a flocculating agent and are separated out from the sewage; the rotary purification structure 4 in the purification box 2 is provided with active carbon filler balls, various organic soluble pollutants in the sewage are adsorbed by the adsorption action of the active carbon, and chlorine is injected into the purification box 2 to disinfect and sterilize the sewage; the permeable membrane cylinder 5 in the reverse osmosis filter box 3 carries out reverse osmosis filtration on the original inorganic salt ions in the sewage and the inorganic salt ions generated in the flocculation box 1 and the water purification box 2, so that various insoluble substances and soluble substances in the sewage are fully purified, the purification treatment of the sewage is more thorough, and the purification effect is better.
A filtering baffle plate 11 is arranged in the flocculation tank 1, and the filtering baffle plate 11 can isolate suspended pollutants in sewage; the suspended pollutant in the sewage is filtered and isolated through the filtering baffle plate 11, and the suspended pollutant in the flocculation box 1 is prevented from entering the purification box 2 through the first liquid through pipe 6. The filtering clapboard 11 separates the inside of the flocculation tank 1 into an upper cavity 12 and a lower cavity 13; a concrete liquid inlet pipe 10 is communicated with the side wall of the lower cavity 13, and the bottom of the lower cavity 12 is gathered in a funnel shape, so that sediments in sewage can be conveniently gathered at the bottom of the lower cavity 13 for recycling; the upper cavity 12 is communicated with the purifying box 2 through a first liquid through pipe 6; one end of the first liquid through pipe 6 extends into the bottom of the upper cavity 12, and the other end of the first liquid through pipe is communicated with the top of the purification box 2.
The feed liquor tip of thoughtlessly congeal feed liquor pipe 10 communicates respectively through tee bend pipe fitting 101 and is provided with sewage feed liquor pipe 102 and thoughtlessly congeal medicine liquid pipe 103, the play liquid part of thoughtlessly congealing medicine liquid pipe 103 stretches into the setting in thoughtlessly congealing feed liquor pipe 10, and the play liquid part of thoughtlessly congealing medicine liquid pipe 103 and thoughtlessly congeal the coaxial setting of feed liquor pipe 10, even circumference is provided with a plurality of liquid holes 1031 on the lateral wall of the play liquid part 1030 of thoughtlessly congealing medicine liquid pipe 103, flows into in flocculation tank 1 under with sewage in congealing feed liquor pipe 10 after the flocculating agent that liquid hole 1031 flows out flows into in cavity 13 to make the flocculation and precipitation effect of sewage in cavity 13 better down, the suspended. The top end of the liquid outlet part 1030 of the coagulation liquid pipe 103 is arranged in a cone shape along the flowing direction of sewage in the coagulation liquid inlet pipe 10, and the function of guiding flow is achieved.
The purification box 2 comprises a purification box body 21 and a purification box cover 22 arranged on the side wall of the purification box body 21, a support limit column 23 is arranged on the purification box cover 22, a limit hole 24 matched with the support limit column 23 is arranged at the side end of the purification box body 21, and the support limit column 23 is horizontally arranged in the limit hole 24 of the purification box body 21 in a telescopic manner; therefore, the purifying box cover 22 is always just opposite to the inner cavity opening of the purifying box body 21 to be opened and closed, and the purifying box cover 22 has a better sealing effect on the purifying box body 21; a sealing ring 25 is arranged at the sealed position of the inner side end of the purifying box cover 22 and the purifying box body 21, and the sealing ring 25 is matched with an inner cavity opening of the purifying box body 21; the sealing ring 25 is arranged in a frustum shape, and the sealing ring 25 plays a role in sealing the inner cavity opening of the purifying box body 21 and prevents sewage from flowing out of a gap of the purifying box cover 22.
The purifying box body 21 is arranged in a square structure, and the inner cavity of the purifying box body is arranged in a cylindrical shape; the rotary purification structure 4 is coaxially and rotatably arranged in the cylindrical inner cavity of the purification box body 21; the rotary purification structure 4 comprises a rotating frame 41 and a packing cylinder 42, the packing cylinder 42 is circumferentially arranged at the outer end of the rotating frame 41, and the length direction of the packing cylinder 42 is arranged along the axial direction of the rotating frame 41; a plurality of through holes are formed in the side wall of the packing cylinder 42, activated carbon packing balls are filled in the packing cylinder 42, and the diameter of each activated carbon packing ball is larger than that of each through hole; a chlorine generating device 7 is arranged at the outer side end of the purifying box body 21, and an air outlet pipe 71 of the chlorine generating device 7 is communicated with the bottom in the purifying box body 21; the chlorine is dissolved in the sewage to form hypochlorous acid, the hypochlorous acid has strong oxidizing property, so that enzymes in cells of bacteria and viruses are oxidized, and proteins are prevented from being synthesized and die, and further the aim of sterilizing and disinfecting the sewage is achieved, wherein the rotary purification structure 4 continuously stirs the sewage in the purification box 2, so that when the chlorine is introduced into the sewage in the purification box 2 for sterilization, the rotary purification structure 4 enables the chlorine to be combined with the sewage more fully and thoroughly, and the effect of the chlorine on sterilizing and disinfecting the sewage is better; because the adsorption effect of the activated carbon filler balls, soluble pollutants in the sewage are adsorbed, and meanwhile, the chlorine in the sewage for killing bacteria and virus remains can also be adsorbed by the activated carbon filler balls, so that the sewage is purified more thoroughly. The top of purifying box 21 is provided with muffler 72, muffler 72 and chlorine generating unit 7 chlorine generating part intercommunication setting, and muffler 72 is through retrieving the chlorine that can not dissolve in sewage in the purifying box 2 and carry out the recycle to chlorine generating unit 7, also can avoid chlorine directly to discharge into the air and arouse operating personnel to be poisoned when playing the effect of saving cost.
The outer side end of the purifying box cover 22 is provided with a rotating motor 43, the rotating motor 43 is provided with a rotating shaft 44 through coupling transmission, the rotating shaft 44 extends into the purifying box body 21, and the end part of the rotating shaft is rotatably arranged on the inner side wall of the purifying box body 21 opposite to the purifying box cover 22; the rotating frame 41 is sleeved on the rotating shaft 44 and is arranged in a rotating mode along with the rotating shaft 44; through support spacing post 23 and drive purifying box lid 22 and keep away from purifying box 21, rotatory purification structure 4 leaves from purifying box 21 inside along with purifying box lid 22, just can take out inside rotatory purification structure 4 like this through opening purifying box lid 22, conveniently carries out regeneration treatment or change to 4 terminal active carbon filled balls of rotation purification structure.
The bottom of the purifying box body 21 is provided with a second liquid through pipe 8 communicated with the liquid inlet end inside the reverse osmosis filter box 3; a liquid inlet cavity 31, a reverse osmosis filter cavity 32 and a purified water cavity 33 are sequentially arranged in the reverse osmosis filter tank 3 along the water flow direction; the reverse osmosis filter cavity 32 is internally provided with a plurality of permeation film cylinders 5, a sewage inlet 511 of each permeation film cylinder 5 is arranged in the liquid inlet cavity 31, a filtered water outlet 591 of each permeation film cylinder 5 is arranged in the purified water cavity 33, and a purified water outlet pipe 35 communicated with the outside is arranged in the purified water cavity 33; the waste water outlet 521 of the permeable membrane cartridge 5 is arranged in the reverse osmosis filter chamber 52, the reverse osmosis filter chamber 52 is provided with the waste water outlet pipe 34 communicated with the outside, and the sewage is subjected to reverse osmosis filtration through the permeable membrane cartridge 5, so that inorganic salt ions in the sewage are removed.
The permeable membrane cartridge 5 sequentially comprises a shell 53, a first water inlet channel 54, a first membrane 55, a second water inlet channel 56, a second membrane 57 and a third water inlet channel 58 from outside to inside, wherein a water purification central tube 59 is arranged in the third water inlet channel 58, a plurality of through holes are formed in the side wall of the water purification central tube 59, and the through holes are communicated with the inner cavities of the third water inlet channel 58 and the water purification central tube 59; the two ends of the permeable membrane cylinder 5 are respectively provided with a water inlet cover 51 and a water outlet cover 52, and the water inlet cover 51 and the water outlet cover 52 are respectively arranged at the two ends of the first water inlet channel 54, the second water inlet channel 56 and the third water inlet channel 58 in a sealing manner; the water inlet cover 51 is provided with a sewage inlet 511 communicated with the first water inlet channel 54; the water outlet cover 52 is provided with a waste water outlet 521 communicated with the second water inlet channel 56; a filtered water outlet 591 of the water purification central pipe 59 extends out of the water outlet cover 52; thus, sewage enters the first water inlet channel 54 from the sewage inlet 511, sequentially flows through the first membrane 55, the second water inlet channel 56, the second membrane 57 and the third water inlet channel 58, then enters the water purification central pipe 59, and performs reverse osmosis on the sewage through the first membrane 55 and the second membrane 57, wherein the permeation pore diameter of the second membrane 57 is smaller than that of the first membrane 55; thereby the sewage has better reverse osmosis effect at the osmosis membrane cylinder 5 and better filtering effect of inorganic salt ions in the sewage. The first water inlet channel 54, the second water inlet channel 56 and the third water inlet channel 58 are respectively provided with an annular water inlet runner network 581; the inlet channel net 581 is arranged in the first inlet channel 54 in a wavy elastic extrusion manner, the wave crests of the inlet channel net 581 are arranged on the outer side wall of the first inlet channel 54 in an extrusion manner, the wave troughs of the inlet channel net 581 are arranged on the inner side wall of the first inlet channel 54 in an extrusion manner to elastically support the first inlet channel 54, the second inlet channel 56 and the third inlet channel 58, and the first inlet channel 54, the second inlet channel 56 and the third inlet channel 58 are prevented from collapsing after long service time to influence the permeation of sewage.
The various communication lines of the present apparatus are provided with on-off valves.
A sewage treatment process method comprises the following steps: the flocculation tank 1 is used for flocculating and settling suspended pollutants in the sewage; a rotary purification structure 4 is arranged in the water purification tank 2 to adsorb and remove impurities from soluble organic matters in the sewage, and chlorine is injected into the water purification tank 2 to disinfect and sterilize the sewage; the reverse osmosis filter tank 3 is internally provided with a permeable membrane cylinder 5 for carrying out reverse osmosis filtration on original inorganic salt ions in sewage and inorganic salt ions generated in the flocculation tank 1 and the water purification tank 2, and finally, the purification treatment of the sewage is finished, and the method comprises the following specific steps: step 1, carrying out flocculation precipitation treatment on sewage; sewage and a flocculating agent are respectively led into the coagulation liquid inlet pipe 10 from the sewage liquid inlet pipe 102 and the coagulation liquid medicine pipe 103, and the liquid outlet part of the coagulation liquid medicine pipe 103 extends into the coagulation liquid inlet pipe 10 and uniformly sprays medicine to the radial direction of the coagulation liquid inlet pipe 10; when sewage flows through the coagulation liquid inlet pipe 10, the sewage and the flocculating agent are fully mixed together, and the mixed solution flows into the lower cavity 13 of the flocculation box 1 for standing and sedimentation; suspended pollutants in the sewage are gathered together under the action of a flocculating agent and are precipitated at the bottom of the lower cavity 13, and the flocculated sewage enters the upper cavity 12 and flows into the purification box 2 through the first liquid through pipe 6; step 2, adsorbing soluble impurities in the sewage and disinfecting and sterilizing the sewage; the rotary purification structure 4 is arranged in the purified water tank 2, wherein the rotary purification structure 4 comprises a filler cylinder 42 and an activated carbon filler ball in the filler cylinder 42, and the rotating plate 412 on the rotating frame 41 is used for rotationally stirring the sewage in the purified water tank 2, so that the activated carbon filler ball is fully contacted with the sewage, and soluble impurities in the sewage are adsorbed; meanwhile, chlorine is introduced into the sewage in the purification box 2 through a chlorine generating device 7, and is fully dissolved in the sewage under the stirring action of the rotary purification structure 4, so that the chlorine can disinfect and sterilize harmful bacteria and viruses in the sewage; step 3, filtering inorganic salt impurities in the sewage; the sewage in the purifying box 2 enters the reverse osmosis filtering box 3 through the second liquid through pipe 8, at this time, the inorganic salt pollution ions contained in the sewage and the inorganic salt ions generated in the flocculation box 1 and the water purifying box 2 are subjected to reverse osmosis filtration in the osmosis membrane cylinder 5 in the reverse osmosis filtering box 3, finally, the inorganic salt ions in the sewage are separated from the sewage, the finally purified sewage flows out from the purified water outlet pipe 35 of the reverse osmosis filtering box 3, and the sewage purification is finished.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (10)
1. A town sewage treatment device is characterized in that: the sewage treatment device sequentially comprises a flocculation tank (1), a purification tank (2) and a reverse osmosis filter tank (3) along the flowing direction of sewage; the flocculation tank (1), the purification tank (2) and the reverse osmosis filter tank (3) are communicated in sequence; a coagulation liquid inlet pipe (10) is communicated with the flocculation tank (1), and sewage enters the flocculation tank (1) through the coagulation liquid inlet pipe (10) for flocculation and precipitation; a rotary purification structure (4) is horizontally arranged in the purification box (2), and the rotary purification structure (4) is arranged in the purification box (1) in a semi-immersed manner; and a permeable membrane cylinder (5) is arranged in the reverse osmosis filter box (3), and sewage is subjected to osmotic filtration through the permeable membrane cylinder (5).
2. The town sewage treatment device according to claim 1, wherein: a filtering clapboard (11) is arranged in the flocculation tank (1), and the filtering clapboard (11) separates the inside of the flocculation tank (1) into an upper cavity (12) and a lower cavity (13); a concrete liquid inlet pipe (10) is communicated with the side wall of the lower cavity (13), and the bottom of the lower cavity (12) is gathered in a funnel shape; the upper cavity (12) is communicated with the purifying box (2) through a first liquid passing pipe (6); one end of the first liquid through pipe (6) extends into the bottom of the upper cavity (12), and the other end of the first liquid through pipe is communicated with the top of the purification box (2).
3. The town sewage treatment device according to claim 2, wherein: the liquid inlet end of the coagulation liquid inlet pipe (10) is respectively communicated with a sewage liquid inlet pipe (102) and a coagulation liquid medicine pipe (103) through a three-way pipe (101), the liquid outlet part of the coagulation liquid medicine pipe (103) stretches into the coagulation liquid inlet pipe (10), the liquid outlet part of the coagulation liquid medicine pipe (103) is coaxially arranged with the coagulation liquid inlet pipe (10), a plurality of liquid outlet holes (1031) are uniformly arranged on the side wall of the liquid outlet part (1030) of the coagulation liquid medicine pipe (103) in a circumferential mode, and the top end of the liquid outlet part (1030) of the coagulation liquid medicine pipe (103) is arranged in a conical mode along the flowing direction of sewage in the coagulation liquid inlet pipe (10).
4. The town sewage treatment device according to claim 3, wherein: the purifying box (2) comprises a purifying box body (21) and a purifying box cover (22) arranged on the side wall of the purifying box body (21), a supporting limiting column (23) is arranged on the purifying box cover (22), a limiting hole (24) matched with the supporting limiting column (23) is formed in the side end of the purifying box body (21), and the supporting limiting column (23) is horizontally arranged in the limiting hole (24) of the purifying box body (21) in a telescopic mode; a sealing ring (25) is arranged at the sealed position of the inner side end of the purifying box cover (22) and the purifying box body (21), and the sealing ring (25) is matched with an inner cavity opening of the purifying box body (21); the sealing ring (25) is arranged in a frustum shape.
5. The town sewage treatment device according to claim 4, wherein: the purifying box body (21) is arranged in a square structure in shape, and the inner cavity of the purifying box body is arranged in a cylindrical shape; the rotary purification structure (4) is coaxially and rotatably arranged in a cylindrical inner cavity of the purification box body (21); the rotary purification structure (4) comprises a rotary frame (41) and a packing cylinder (42), the periphery of the packing cylinder (42) is arranged at the outer side end of the rotary frame (41), and the length direction of the packing cylinder (42) is arranged along the axial direction of the rotary frame (41); the side wall of the packing cylinder (42) is provided with a plurality of through holes, the packing cylinder (42) is filled with active carbon packing balls, and the diameter of each active carbon packing ball is larger than that of each through hole; the chlorine purifying device is characterized in that a chlorine generating device (7) is arranged at the outer side end of the purifying box body (21), an air outlet pipe (71) of the chlorine generating device (7) is communicated with the bottom in the purifying box body (21), an air return pipe (72) is arranged at the top of the purifying box body (21), and the air return pipe (72) is communicated with a chlorine generating part of the chlorine generating device (7).
6. The town sewage treatment device according to claim 5, wherein: the outer side end of the purifying box cover (22) is provided with a rotating motor (43), the rotating motor (43) is provided with a rotating shaft (44) through coupling transmission, the rotating shaft (44) extends into the purifying box body (21), and the end part of the rotating shaft is rotatably arranged on the inner side wall of the purifying box body (21) opposite to the purifying box cover (22); the rotating frame (41) is sleeved on the rotating shaft (44) and is arranged in a rotating mode along with the rotating shaft (44); through support spacing post (23) drive purifying box lid (22) and keep away from purifying box (21), rotatory purification structure (4) leave from purifying box (21) inside along with purifying box lid (22).
7. The town sewage treatment device according to claim 6, wherein: fixing plates (411) are arranged at two ends of the rotating frames (41), and the filling cylinders (42) are arranged at the top ends of the fixing plates (411) between the rotating frames (41); a plurality of rotating plates (412) are circumferentially arranged between the two fixing plates (411), and the plate surfaces of the rotating plates (412) are perpendicular to the rotating direction of the rotating frame (41); the rotating plate (412) is provided with a plurality of liquid leakage holes (413), and the middle part of the rotating plate (412) is provided with a liquid through groove (414) which penetrates through the two sides of the rotating plate.
8. The town sewage treatment device according to claim 7, wherein: the bottom of the purifying box body (21) is provided with a second liquid through pipe (8) which is communicated with the liquid inlet end inside the reverse osmosis filter box (3); a liquid inlet cavity (31), a reverse osmosis filter cavity (32) and a purified water cavity (33) are sequentially arranged in the reverse osmosis filter box (3) along the water flow direction; a plurality of permeable membrane cylinders (5) are arranged in the reverse osmosis filter cavity (32), a sewage inlet (511) of each permeable membrane cylinder (5) is arranged in the liquid inlet cavity (31), a filtered water outlet (591) of each permeable membrane cylinder (5) is arranged in the purified water cavity (33), and a purified water outlet pipe (35) communicated with the outside is arranged in the purified water cavity (33); the waste water outlet (521) of the permeable membrane cylinder (5) is arranged in the reverse osmosis filter cavity (52), and the reverse osmosis filter cavity (52) is provided with a waste liquid outlet pipe (34) communicated with the outside.
9. The town sewage treatment device according to claim 8, wherein: the permeable membrane cylinder (5) sequentially comprises a shell (53), a first water inlet channel (54), a first membrane (55), a second water inlet channel (56), a second membrane (57) and a third water inlet channel (58) from outside to inside, a water purification central pipe (59) is arranged in the third water inlet channel (58), a plurality of through holes are formed in the side wall of the water purification central pipe (59), and the through holes are communicated with the inner cavities of the third water inlet channel (58) and the water purification central pipe (59); the two ends of the permeable membrane cylinder (5) are respectively provided with a water inlet cover (51) and a water outlet cover (52), and the water inlet cover (51) and the water outlet cover (52) are respectively arranged at the two ends of the first water inlet channel (54), the second water inlet channel (56) and the third water inlet channel (58) in a sealing manner; the water inlet cover (51) is provided with a sewage inlet (511) communicated with the first water inlet channel (54); a waste water outlet (521) communicated with the second water inlet channel (56) is arranged on the water outlet cover (52); a filtered water outlet (591) of the water purification central pipe (59) extends out of the water outlet cover (52); annular water inlet runner nets (581) are respectively arranged in the first water inlet channel (54), the second water inlet channel (56) and the third water inlet channel (58); the water inlet channel net (581) is arranged in the first water inlet channel (54) in a wavy elastic extrusion mode, the wave crests of the water inlet channel net are arranged on the outer side wall of the first water inlet channel (54) in an extrusion mode, and the wave troughs of the water inlet channel net are arranged on the inner side wall of the first water inlet channel (54) in an extrusion mode.
10. A process for treating sewage according to any one of claims 1 to 9, characterized in that: the flocculation tank (1) is used for flocculating and settling suspended pollutants in the sewage; a rotary purification structure (4) is arranged in the water purification tank (2) to adsorb and remove impurities from soluble organic matters in the sewage, and chlorine is injected into the water purification tank (2) to disinfect and sterilize the sewage; the reverse osmosis filter box (3) is internally provided with a permeable membrane cylinder (5) for carrying out reverse osmosis filtration on original inorganic salt ions in sewage, inorganic salt ions generated in the flocculation box (1) and the water purification box (2), and finally, the purification treatment of sewage is finished, and the method comprises the following specific steps:
step 1, carrying out flocculation precipitation treatment on sewage; sewage and a flocculating agent are respectively led into the coagulation liquid inlet pipe (10) from the sewage liquid inlet pipe (102) and the coagulation liquid medicine pipe (103), and the liquid outlet part of the coagulation liquid medicine pipe (103) extends into the coagulation liquid inlet pipe (10) and uniformly sprays medicine to the radial direction of the coagulation liquid inlet pipe (10); when sewage flows through the coagulation liquid inlet pipe (10), the sewage and the flocculating agent are fully mixed together, and the mixed solution flows into a lower cavity (13) of the flocculation box (1) for standing and sedimentation; suspended pollutants in the sewage are gathered together under the action of a flocculating agent and are precipitated at the bottom of the lower cavity (13), and the flocculated sewage enters the upper cavity (12) and flows into the purifying box (2) through the first liquid through pipe (6);
step 2, adsorbing soluble impurities in the sewage and disinfecting and sterilizing the sewage; the rotary purification structure (4) is arranged in the purified water tank (2), wherein the rotary purification structure (4) comprises a filler cylinder (42) and an activated carbon filler ball in the filler cylinder (42), and sewage in the purified water tank (2) is rotationally stirred through a rotating plate (412) on a rotating frame (41), so that the activated carbon filler ball is fully contacted with the sewage, and soluble impurities in the sewage are adsorbed; meanwhile, chlorine is introduced into the sewage in the purifying box (2) through a chlorine generating device (7), and is fully dissolved in the sewage under the stirring action of the rotary purifying structure (4), so that harmful bacteria and viruses in the sewage are sterilized by the chlorine;
step 3, filtering inorganic salt impurities in the sewage; the sewage in the purifying box (2) enters the reverse osmosis filtering box (3) through the second liquid through pipe (8), at the moment, inorganic salt pollution ions contained in the sewage and the inorganic salt ions generated in the flocculation box (1) and the water purifying box (2) carry out reverse osmosis filtration in a permeable membrane cylinder (5) in the reverse osmosis filtering box (3), finally, the inorganic salt ions in the sewage are separated from the sewage, the finally purified sewage flows out from a purified water outlet pipe (35) of the reverse osmosis filtering box (3), and the sewage purification is finished.
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| CN201910937403.1A CN110642423A (en) | 2019-09-30 | 2019-09-30 | Urban sewage treatment device and sewage treatment process method thereof |
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| CN201910937403.1A CN110642423A (en) | 2019-09-30 | 2019-09-30 | Urban sewage treatment device and sewage treatment process method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111760399A (en) * | 2020-07-23 | 2020-10-13 | 陈泽 | Filter screen structure convenient to dismouting for purifier is administered in atmosphere pollution |
| CN113636683A (en) * | 2021-08-18 | 2021-11-12 | 塔里木大学 | Inorganic chemistry experiment sewage treatment plant |
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| CN104941448A (en) * | 2015-07-07 | 2015-09-30 | 珠海格力电器股份有限公司 | Reverse osmosis membrane element |
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| US4444658A (en) * | 1981-08-10 | 1984-04-24 | Crane Co. | Rotating biological contactor apparatus |
| CN203558896U (en) * | 2013-10-10 | 2014-04-23 | 济宁市尼山小镇矿磁酒股份有限公司 | Water purifier for making wine in wineries |
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| CN113636683A (en) * | 2021-08-18 | 2021-11-12 | 塔里木大学 | Inorganic chemistry experiment sewage treatment plant |
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