CN112079473B - Domestic sewage purification treatment system - Google Patents
Domestic sewage purification treatment system Download PDFInfo
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- CN112079473B CN112079473B CN202010735929.4A CN202010735929A CN112079473B CN 112079473 B CN112079473 B CN 112079473B CN 202010735929 A CN202010735929 A CN 202010735929A CN 112079473 B CN112079473 B CN 112079473B
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
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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
Abstract
The invention provides a domestic sewage purification treatment system which comprises a primary purification mechanism, a secondary purification mechanism, a tertiary purification mechanism and a quaternary purification mechanism which are sequentially connected, wherein the primary purification mechanism is used for physically filtering sewage, the secondary purification mechanism is used for chemically purifying sewage, the tertiary purification mechanism is used for finely filtering sewage, and the quaternary purification mechanism is used for ion exchange. The invention is specially used for treating domestic sewage with small treatment capacity, and the sewage can reach the standard higher than that used in daily life through physical purification, chemical purification, fine filtration and ion exchange operation, has the advantages of small occupied space, simple structure, low cost and the like, and can be suitable for small communities and families.
Description
Technical Field
The invention relates to the technical field of sewage treatment equipment, in particular to a domestic sewage purification treatment system.
Background
With the increasing environmental pollution problem, water resources face a severe examination.
Domestic sewage is a potential water resource with a certain recycling value, and because pollutants contained in the domestic sewage are better treated than industrial sewage, most of impurities in the domestic sewage can be removed by generally adopting means of filtration, sedimentation and the like, and the domestic sewage can be purified to reach the standard of daily domestic water through a sewage treatment plant.
The construction cost of a sewage treatment plant is huge, some miniaturized sewage treatment equipment starts to be popularized and applied in some factories, but the problems of large occupied area, high cost, complex structure and the like generally exist, and the sewage treatment plant cannot be popularized and used in small communities and families.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a domestic sewage purification treatment system, which solves the problems that sewage treatment equipment in the prior art occupies a large area, has high cost and a complex structure and is not suitable for small communities or families.
According to the embodiment of the invention, the domestic sewage purification treatment system comprises a first-stage purification mechanism, a second-stage purification mechanism, a third-stage purification mechanism and a fourth-stage purification mechanism which are sequentially connected; wherein the content of the first and second substances,
the primary purification mechanism comprises an installation cylinder, and a filter assembly is detachably arranged in the installation cylinder;
the secondary purification mechanism comprises a reaction box, the installation cylinder is installed on the reaction box and communicated with the reaction box so that water in the installation cylinder enters the reaction box, and a dosing assembly communicated with the reaction box is also installed on the reaction box;
the three-stage purification mechanism comprises a vertical purification cylinder and a liquid storage box arranged at the bottom in the purification cylinder, a cylindrical filter element with the lower end clamped on the liquid storage box is coaxially arranged in the purification cylinder, a first pump body is arranged between the purification cylinder and the reaction box to pump water into the filter element from the reaction box, and the upper end surface of the liquid storage box is also provided with a liquid guide hole surrounding the filter element;
level four purification mechanism includes the commuting case, is provided with the exchange pool that is located its upper end in the commuting case, and it has exchange medium to fill in the exchange pool, the commuting case with be provided with the second pump body between the hydrops case in order to go into water from the hydrops case pump exchange pool, water seepage flow arrives behind the exchange pool the commuting case lower extreme is stored.
Among the above-mentioned technical scheme, sewage is through physical filtration, chemical sedimentation, pressure filtration and ion exchange treatment, and the structure that each step relates to the subassembly is comparatively simple, is applicable to the sewage to little handling capacity and handles.
Furthermore, the filter assembly comprises a filter cylinder arranged in the installation cylinder, a filter orifice plate is arranged at the bottom of the filter cylinder, a plurality of communicating pipes are arranged on the filter orifice plate, and the lower ends of the communicating pipes penetrate into the filter orifice plate and are communicated with the reaction box;
the filter cartridge is characterized in that a filtrate disc which is leaned against the upper end of the mounting cylinder is arranged at the upper end of the filter cartridge in a clamping mode, a plurality of liquid guide pipes which are communicated with the filter cartridge are arranged on the filtrate disc, the liquid guide pipes are staggered with the communicating pipes, and the lower end face of each liquid guide pipe is located below the upper end face of the communicating pipe.
Furthermore, an arched balance pipe is fixedly connected to the filtrate disc, two ends of the balance pipe are both communicated with the filter cartridge, and a through hole communicated with the balance pipe is formed in the middle section of the balance pipe, wherein the middle section of the balance pipe is higher than the upper end of the filtrate disc;
the lower disc surface of the filtrate disc is fixedly connected with a snap ring which is in sliding connection with the upper end of the filter cylinder;
and the filter cartridge is filled with a filter medium of which the upper end surface is lower than that of the communicating pipe.
Further, the dosing assembly comprises a conveying pipe communicated with the reaction box, a first rotating shaft extending into the reaction box is coaxially arranged in the conveying pipe, a first conveying screw positioned in the conveying pipe and a stirring rod positioned in the reaction box are fixedly connected to the first rotating shaft, and a feeding hopper communicated with the conveying pipe are also fixedly connected to the conveying pipe;
the reaction box is also provided with a first motor for driving the first rotating shaft to rotate.
Further, the feed liquor pipe of the first pump body with reaction box lateral wall is connected, and the junction is provided with the separation net, and the drain pipe of the first pump body inserts the purification section of thick bamboo extends to inside the filter core, wherein the inside hole pipe that is provided with both ends and is connected with the drain pipe of filter core bottom and the first pump body respectively of filter core.
Furthermore, a water outlet pipe located below the exchange pool is fixedly connected to the exchange box, a second rotating shaft extending into the exchange box is arranged in the water outlet pipe, a second conveying screw extending from the water outlet pipe to the exchange box is fixedly connected to the second rotating shaft, and a second motor driving the second rotating shaft to rotate is arranged outside the exchange box.
Further, the processing system also comprises a Contraband-shaped mounting seat for mounting the first motor, the reaction box, the exchange box and the second motor, wherein the first motor and the reaction box are mounted at the upper end of the mounting seat, and the exchange box and the second motor are mounted at the lower end of the mounting seat.
Furthermore, an opening and closing door hinged with the reaction box is arranged on the reaction box.
Furthermore, a sealing plate for the liquid inlet pipe of the first pump body to pass through is arranged at the upper end of the purifying cylinder.
Compared with the prior art, the invention has the following beneficial effects:
the device is specially used for treating domestic sewage with small treatment capacity, and the sewage can reach standards higher than that of daily life through physical purification, chemical purification, fine filtration and ion exchange operation, has the advantages of small occupied space, simple structure, low cost and the like, and can be suitable for small communities and families.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of a portion of the structure at B in FIG. 1;
FIG. 4 is an enlarged view of a portion of the structure at C in FIG. 1;
FIG. 5 is a schematic view of a filter tube segment and steel mesh structure installation according to an embodiment of the present invention;
in the above drawings:
the device comprises an installation cylinder 1, a reaction box 2, a purification cylinder 3, a liquid accumulating box 4, a filter element 5, a first pump body 6, an exchange box 7, an exchange pool 8, a second pump body 9, a filter cylinder 10, a filter orifice plate 11, a communicating pipe 12, a filter liquid disc 13, a liquid guide pipe 14, activated carbon 15, a balance pipe 16, a snap ring 17, a conveying pipe 18, a first rotating shaft 19, a first conveying screw 20, a stirring rod 21, a feed hopper 22, a separation net 23, a liquid outlet pipe 24, a hole pipe 25, a filter pipe section 26, a flange 27, a steel net 28, a water outlet pipe 29, a second rotating shaft 30, a second conveying screw 31, a second motor 32, an installation seat 33, an opening and closing door 34, a sealing plate 35, a liquid inlet pipe 36 and a first motor 37.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
As shown in fig. 1 and 2, the present embodiment provides a domestic sewage purification treatment system, which includes a first-stage purification mechanism, a second-stage purification mechanism, a third-stage purification mechanism and a fourth-stage purification mechanism, which are connected in sequence; wherein the content of the first and second substances,
the primary purification mechanism comprises an installation cylinder 1, and a filter assembly is detachably installed in the installation cylinder 1;
the secondary purification mechanism comprises a reaction box 2, the installation cylinder 1 is installed on the reaction box 2 and communicated with the reaction box 2, so that water in the installation cylinder 1 enters the reaction box 2, and a dosing assembly communicated with the reaction box 2 is further installed on the reaction box 2;
the three-stage purification mechanism comprises a vertical purification cylinder 3 and a liquid accumulation box 4 arranged at the bottom in the purification cylinder 3, a cylindrical filter element 5 with the lower end clamped on the liquid accumulation box 4 is coaxially arranged in the purification cylinder 3, a first pump body 6 is arranged between the purification cylinder 3 and the reaction box 2 to pump water from the reaction box 2 into the filter element 5, wherein the upper end surface of the liquid accumulation box 4 is also provided with a liquid guide hole surrounding the periphery of the filter element 5;
level four purification mechanism includes commuting case 7, is provided with the exchange pool 8 that is located its upper end in the commuting case 7, and it has exchange medium (exchange resin promptly) to fill in the exchange pool 8, commuting case 7 with be provided with the second pump body 9 between hydrops case 4 in order to pump water into from hydrops case 4 exchange pool 8, water flows through exchange pool 8 back seepage flow to exchange case 7 lower extreme is stored, and wherein 8 bottoms in exchange pool are provided with the seepage hole, and its aperture is less than exchange resin's particle diameter, avoids exchange resin to cause the loss through the seepage hole.
In the above embodiment, the sewage is subjected to physical filtration to remove insoluble impurities, chemical sedimentation to remove soluble impurities, pressure filtration to remove partial chemical residues, and ion exchange treatment to reduce harmful ions in the water, and the components involved in the steps are simple in structure and suitable for treating the sewage with small treatment capacity.
As shown in fig. 1 and 2, preferably, the filtering assembly includes a filtering cylinder 10 disposed in the mounting cylinder 1, a filtering pore plate 11 is disposed at the bottom of the filtering cylinder 10, a plurality of communicating pipes 12 are disposed on the filtering pore plate 11, and the lower ends of the communicating pipes 12 penetrate into the filtering pore plate 11 and communicate with the reaction box 2, the filtering pore plate 11 is provided with a plurality of micropores, so that after sewage enters the filtering cylinder 10, a filter cake is formed on the filtering pore plate 11, thereby realizing filtering, and the communicating pipes 12 are used for ensuring that air pressures in the filtering cylinder 10 and the reaction box 2 are consistent, so that filtering can be performed smoothly;
the upper end of the filter cylinder 10 is provided with a filtrate disc 13 which is abutted against the upper end of the mounting cylinder 1 in a clamping manner, the filtrate disc 13 is provided with a plurality of liquid guide pipes 14 which are communicated with the filter cylinder 10, the liquid guide pipes 14 are staggered with the communicating pipes 12, the lower end surfaces of the liquid guide pipes 14 are positioned below the upper end surfaces of the communicating pipes 12, firstly, sewage to be treated is led into the filtrate disc 13 to filter large-particle impurities, water enters a filter box through the liquid guide pipes 14 to be filtered again, and the lower ends of the liquid guide pipes 14 extend to the lower end surfaces of the communicating pipes 12, so that the water cannot directly flow into the reaction box 2 from the communicating pipes 12;
in order to ensure the purification effect, the filter cylinder 10 is filled with activated carbon 15, the upper end surface of which is positioned above the lower end surface of the liquid guide tube 14, the sewage is directly guided into the activated carbon 15, and the activated carbon 15 can adsorb impurities in the water.
As shown in fig. 2, preferably, an arched balance tube 16 is further fixedly connected to the filtrate tray 13, both ends of the balance tube 16 are communicated with the filter cartridge 10, and a through hole communicated with the middle section of the balance tube 16 is provided at the middle section of the balance tube 16, wherein the middle section of the balance tube 16 is higher than the upper end of the filtrate tray 13, and the filtrate tray 13 can be lifted up through the balance tube 16, so as to facilitate cleaning and maintenance of components in the installation cartridge 1;
a snap ring 17 which is connected with the upper end of the filter cartridge 10 in a sliding way is fixedly connected to the lower disc surface of the filtrate disc 13;
the filter cartridge 10 is filled with a filter medium (i.e., activated carbon 15) with an upper end surface lower than that of the communicating pipe 12, and the balance pipe 16 is used for communicating the filter cartridge 10 with the outside to ensure that the air pressure inside and outside the filter cartridge 10 is consistent, so that sewage on the filtrate disc 13 can smoothly enter the filter cartridge 10;
particularly, when the liquid level in the filtrate tray 13 does not drop, pressure can be pumped into the filter cartridge 10 through the through hole in the middle section of the balance pipe 16, so that the air pressure in the filter cartridge 10 is enhanced, and the filtering speed is increased;
in particular, a recessed ring is provided on the reaction box 2 where the cartridge 1 is mounted, and a portion of the filter orifice plate 11 is inserted into the recessed ring, so that the entire filter assembly is supported on the reaction box 2.
As shown in fig. 1 and 3, preferably, the dosing assembly includes a delivery pipe 18 communicated with the reaction box 2, a first rotating shaft 19 extending into the reaction box 2 is coaxially arranged in the delivery pipe 18, a first conveying screw 20 positioned in the delivery pipe 18 is fixedly connected to the first rotating shaft 19, and a stirring rod 21 positioned in the reaction box 2 is fixedly connected to the first rotating shaft 19, wherein a feed hopper 22 communicated with the delivery pipe 18 is also fixedly connected to the delivery pipe 18;
the reaction box 2 is also externally provided with a first motor 37 for driving the first rotating shaft 19 to rotate, a medicament is added through the feed hopper 22, the medicament can be pushed into the reaction box 2 by starting the first motor 37, and meanwhile, the liquid in the reaction box 2 can be stirred, so that the medicament is better mixed with the liquid to be treated; after mixing is sufficient, the first motor 37 is stopped and the liquid is allowed to pass through for a period of rest to allow the chemical reaction to settle.
As shown in fig. 1 and 5, preferably, the liquid inlet pipe 36 of the first pump body 6 is connected with the side wall of the reaction chamber 2, and a separation net 23 is arranged at the connection position, and the liquid outlet pipe 24 of the first pump body 6 is inserted into the purification cartridge 3 and extends into the filter element 5, wherein a hole pipe 25 is arranged inside the filter element 5, and two ends of the hole pipe 25 are respectively connected with the bottom of the filter element 5 and the liquid outlet pipe 24 of the first pump body 6, so that pumped water can enter the filter element 5 more uniformly through holes on the hole pipe 25; pumping the precipitated water into a three-stage purification mechanism through a first pump body 6, and simultaneously, positioning a separation net 23 above a precipitation layer, wherein a small amount of precipitate is pumped up when liquid is pumped out, and the separation net 23 is used for intercepting the pumped-up precipitate so as to avoid the precipitate from entering;
in particular, in order to avoid the mixture of sediment in the water entering the three-stage purification mechanism, the transparent filtering pipe section 26 is installed on the liquid inlet pipe 36 section of the first pump body 6 and is connected with the liquid inlet pipe 36 through the flange 27, the cylindrical filtering structure with the steel mesh 28 structure is arranged in the transparent filtering pipe section, water passes through the cylindrical filtering structure, sediment and other impurities possibly contained in the cylindrical filtering structure are intercepted, the impurity content of the steel mesh 28 is observed through the transparent structure, and the transparent filtering pipe section can be replaced at proper time according to the intercepting condition of the steel mesh 28 after a period of time.
As shown in fig. 1 and 4, preferably, a water outlet pipe 29 located below the exchange tank 8 is fixedly connected to the exchange tank 7, a valve is disposed on the water outlet pipe 29, a second rotating shaft 30 extending into the exchange tank 7 is disposed in the water outlet pipe 29, a second conveying screw 31 extending from the water outlet pipe 29 to the exchange tank 7 is fixedly connected to the second rotating shaft 30, a second motor 32 for driving the second rotating shaft 30 to rotate is disposed outside the exchange tank 7, when the second motor 32 is started to rotate in the forward direction, water is pushed toward the water outlet pipe 29, and the purified water can be guided out of the exchange tank 7 by opening the valve, particularly, when the second motor 32 rotates in the reverse direction, cleaning water can be guided into the exchange tank 7 through the water inlet pipe, so that backwashing on the system is realized, and the system is convenient to clean and maintain.
As shown in fig. 1, the processing system preferably further includes a mounting seat 33 shaped like a "Contraband" for mounting the first motor 37, the reaction box 2, the exchange box 7 and the second motor 32, wherein the first motor 37 and the reaction box 2 are mounted on the upper end of the mounting seat 33, and the exchange box 7 and the second motor 32 are mounted on the lower end of the mounting seat 33.
As shown in fig. 1 and 2, it is preferable that the reaction chamber 2 is provided with an opening/closing door 34 hinged thereto for facilitating cleaning and maintenance of the reaction chamber 2, and particularly, the opening/closing door 34 can be opened to communicate the inside and the outside of the reaction chamber 2, so that liquid can more easily enter the reaction chamber 2 from the filter assembly.
As shown in fig. 1, a sealing plate 35 through which an inlet pipe 36 of the first pump body 6 passes is preferably provided at an upper end of the purification cartridge 3 in order to facilitate attachment and detachment of the filter element 5 and cleaning and maintenance of the purification cartridge 3.
Compare in prior art, the clean system that this embodiment provided has following beneficial effect:
the device is specially used for treating domestic sewage with small treatment capacity, and the sewage can reach the standard higher than that used in daily life through physical purification, chemical purification, fine filtration and ion exchange operation, has the advantages of small occupied space, simple structure, low cost and the like, and can be suitable for small communities and families; meanwhile, the assembly can be conveniently disassembled and maintained, and the cleaning and the maintenance can be conveniently realized.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (7)
1. A domestic sewage purification treatment system is characterized by comprising a primary purification mechanism, a secondary purification mechanism, a tertiary purification mechanism and a quaternary purification mechanism which are sequentially connected; wherein the content of the first and second substances,
the primary purification mechanism comprises an installation cylinder, and a filter assembly is detachably arranged in the installation cylinder;
the secondary purification mechanism comprises a reaction box, the installation cylinder is installed on the reaction box and communicated with the reaction box so that water in the installation cylinder enters the reaction box, and a dosing assembly communicated with the reaction box is also installed on the reaction box;
the three-stage purification mechanism comprises a vertical purification cylinder and a liquid storage box arranged at the bottom in the purification cylinder, a cylindrical filter element with the lower end clamped on the liquid storage box is coaxially arranged in the purification cylinder, a first pump body is arranged between the purification cylinder and the reaction box to pump water into the filter element from the reaction box, and the upper end surface of the liquid storage box is also provided with a liquid guide hole surrounding the filter element;
the four-stage purification mechanism comprises an exchange box, an exchange pool is arranged at the upper end of the exchange box, exchange media are filled in the exchange pool, a second pump body is arranged between the exchange box and the liquid accumulation box so as to pump water from the liquid accumulation box into the exchange pool, and the water seeps to the lower end of the exchange box after passing through the exchange pool and is stored; the filter assembly comprises a filter cartridge arranged in the mounting cylinder, a filter orifice plate is arranged at the bottom of the filter cartridge, a plurality of communicating pipes are arranged on the filter orifice plate, and the lower ends of the communicating pipes penetrate into the filter orifice plate and are communicated with the reaction box;
the upper end of the filter cylinder is provided with a filtrate disc which is abutted against the upper end of the mounting cylinder in a clamping manner, the filtrate disc is provided with a plurality of liquid conduits which are communicated with the filtrate disc and the filter cylinder, the liquid conduits are staggered with the communicating pipes, and the lower end surfaces of the liquid conduits are positioned below the upper end surfaces of the communicating pipes; the filtrate disc is also fixedly connected with an arched balance pipe, two ends of the balance pipe are both communicated with the filter cartridge, and the middle section of the balance pipe is provided with a through hole communicated with the filter cartridge, wherein the middle section of the balance pipe is higher than the upper end of the filtrate disc;
the lower disc surface of the filtrate disc is fixedly connected with a snap ring which is in sliding connection with the upper end of the filter cylinder;
and the filter cartridge is filled with a filter medium of which the upper end surface is lower than that of the communicating pipe.
2. The domestic sewage purification treatment system of claim 1, wherein the chemical feeding assembly comprises a delivery pipe communicated with the reaction box, a first rotating shaft extending into the reaction box is coaxially arranged in the delivery pipe, a first delivery screw positioned in the delivery pipe is fixedly connected to the first rotating shaft, and a stirring rod positioned in the reaction box is fixedly connected to the first rotating shaft, wherein a feed hopper communicated with the delivery pipe is also fixedly connected to the delivery pipe;
the reaction box is also externally provided with a first motor for driving the first rotating shaft to rotate.
3. The domestic sewage purification treatment system of claim 1, wherein the liquid inlet pipe of the first pump body is connected with the side wall of the reaction box, a separation net is arranged at the connection position, the liquid outlet pipe of the first pump body is inserted into the purification cylinder and extends into the filter element, and a hole pipe is arranged in the filter element, and the two ends of the hole pipe are respectively connected with the bottom of the filter element and the liquid outlet pipe of the first pump body.
4. The domestic sewage purification treatment system of claim 2, wherein a water outlet pipe is fixedly connected to the exchange tank and located below the exchange tank, a second rotating shaft extending into the exchange tank is arranged in the water outlet pipe, a second conveying screw extending from the water outlet pipe to the exchange tank is fixedly connected to the second rotating shaft, and a second motor for driving the second rotating shaft to rotate is arranged outside the exchange tank.
5. The domestic sewage purification treatment system of claim 4, further comprising a Contraband-shaped mounting seat for mounting the first motor, the reaction box, the exchange box and the second motor, wherein the first motor and the reaction box are mounted at the upper end of the mounting seat, and the exchange box and the second motor are mounted at the lower end of the mounting seat.
6. The domestic sewage purification treatment system of claim 1, wherein the reaction box is provided with an opening and closing door hinged thereto.
7. The domestic sewage purification treatment system of claim 6, wherein the upper end of the purification cylinder is provided with a sealing plate for the liquid inlet pipe of the first pump body to pass through.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010735929.4A CN112079473B (en) | 2020-07-28 | 2020-07-28 | Domestic sewage purification treatment system |
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| CN202010735929.4A CN112079473B (en) | 2020-07-28 | 2020-07-28 | Domestic sewage purification treatment system |
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| CN112079473A CN112079473A (en) | 2020-12-15 |
| CN112079473B true CN112079473B (en) | 2023-01-13 |
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| CN207401230U (en) * | 2017-10-12 | 2018-05-25 | 中国石油化工股份有限公司 | A kind of sewage filter device |
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| CN208632267U (en) * | 2018-06-20 | 2019-03-22 | 云南禾泽科技有限公司 | A kind of high efficiency sewage treatment facility |
| CN209507835U (en) * | 2019-02-13 | 2019-10-18 | 江西瑞雅药业有限公司 | A kind of pharmaceutical intermediate wastewater processing equipment |
| CN110963621A (en) * | 2019-09-17 | 2020-04-07 | 青岛良研信息科技有限公司 | Sewage treatment equipment for single-family residence |
| CN110981033A (en) * | 2019-12-31 | 2020-04-10 | 尚占钦 | Sewage treatment device for recycling water resources |
| CN210656545U (en) * | 2019-07-29 | 2020-06-02 | 杭州元昊盈科技有限公司 | Laboratory effluent treatment plant |
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2020
- 2020-07-28 CN CN202010735929.4A patent/CN112079473B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207401230U (en) * | 2017-10-12 | 2018-05-25 | 中国石油化工股份有限公司 | A kind of sewage filter device |
| CN208632267U (en) * | 2018-06-20 | 2019-03-22 | 云南禾泽科技有限公司 | A kind of high efficiency sewage treatment facility |
| CN109231519A (en) * | 2018-10-10 | 2019-01-18 | 杭州诺得环保科技有限公司 | A kind of stage purifying device of direct drinking |
| CN209507835U (en) * | 2019-02-13 | 2019-10-18 | 江西瑞雅药业有限公司 | A kind of pharmaceutical intermediate wastewater processing equipment |
| CN210656545U (en) * | 2019-07-29 | 2020-06-02 | 杭州元昊盈科技有限公司 | Laboratory effluent treatment plant |
| CN110963621A (en) * | 2019-09-17 | 2020-04-07 | 青岛良研信息科技有限公司 | Sewage treatment equipment for single-family residence |
| CN110981033A (en) * | 2019-12-31 | 2020-04-10 | 尚占钦 | Sewage treatment device for recycling water resources |
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