CN112159042A - Rural domestic sewage treatment system - Google Patents

Rural domestic sewage treatment system Download PDF

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Publication number
CN112159042A
CN112159042A CN202011075925.4A CN202011075925A CN112159042A CN 112159042 A CN112159042 A CN 112159042A CN 202011075925 A CN202011075925 A CN 202011075925A CN 112159042 A CN112159042 A CN 112159042A
Authority
CN
China
Prior art keywords
disinfection
primary filter
sewage treatment
treatment system
domestic sewage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011075925.4A
Other languages
Chinese (zh)
Inventor
游天建
钟罗罗
杨倩
于海波
李俊南
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Fenghe Water Ecological Technology Co ltd
Original Assignee
Guangdong Fenghe Water Ecological Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Fenghe Water Ecological Technology Co ltd filed Critical Guangdong Fenghe Water Ecological Technology Co ltd
Priority to CN202011075925.4A priority Critical patent/CN112159042A/en
Publication of CN112159042A publication Critical patent/CN112159042A/en
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
    • B01D29/6484—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a translatory movement with respect to the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/43—Mixing liquids with liquids; Emulsifying using driven stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/116—Stirrers shaped as cylinders, balls or rollers
    • B01F27/1161—Stirrers shaped as cylinders, balls or rollers having holes in the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
    • B01F27/192—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/74—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with rotary cylinders
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F2001/007—Processes including a sedimentation step
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention discloses a rural domestic sewage treatment system which comprises a primary filter tank, a sedimentation tank, a biological purification tank, a secondary filter tank and a disinfection tank, wherein the primary filter tank is provided with a water inlet pipe, a slag discharge pipe and a water delivery port, a primary filter screen and a water baffle are slidably sleeved in the primary filter tank, a slag scraping plate is arranged on the inner wall surface of the left side plate of the primary filter tank, the right end of the primary filter tank is provided with a fixed frame, the fixed frame is provided with a cylinder, a telescopic rod of the cylinder is provided with a connecting plate, the connecting plate is fixedly arranged with the primary filter screen and the water baffle, a disinfection mixing cylinder is rotatably arranged in the disinfection tank, the disinfection tank is provided with a water discharge pipe, a disinfection liquid pipe, a motor and a shaft groove. The convenient clear of the solid rubbish filter residue of bulky accumulation of just filter screen upper end has been improved, avoids just filter screen jam and has guaranteed the filtering capability of just filter screen, has improved the mixed stirring disinfection efficiency of antiseptic solution and the sewage after filtering greatly.

Description

Rural domestic sewage treatment system
Technical Field
The invention belongs to the technical field of rural sewage treatment, and particularly relates to a rural domestic sewage treatment system.
Background
With the continuous improvement of the living standard of farmers, the domestic water consumption of residents in rural areas is increased day by day, and the sewage discharge amount is increased continuously, so that the rural domestic sewage needs to be treated and purified.
In carrying out rural domestic sewage treatment process, need carry out primary filter to bulky solid waste earlier, sewage is discharged into biological purification case and is carried out biological purification and handle after that, then deposits through the sedimentation tank to get rid of the suspended solid in the sewage, then, through the rose box and carry out the secondary filter to the tiny particle impurity in the sewage, finally reentrant disinfect box carries out the disinfection of filtering back sewage.
However, most of the existing rural domestic sewage treatment system devices do not have a multi-layer primary filter screen structure arranged in a primary filter box, so that the filtering quality of large-volume solid garbage in sewage is low, and the device also does not have a sliding type slag scraping plate and a water baffle structure, so that large-volume solid garbage filter residues accumulated on the upper end filtering surface of the primary filter screen cannot be conveniently and effectively scraped, and the primary filter screen is easily blocked and loses the filtering function.
In addition, the existing rural domestic sewage treatment system device is not provided with a rotary disinfection mixing cylinder arranged in a disinfection box and a water mixing hole, a stirring blade and a hollow cavity structure arranged in the disinfection box, so that disinfection liquid injected into a disinfection liquid pipe and sewage after filtration preset in the disinfection box can not be effectively mixed, stirred and disinfected, and the mixing, stirring and disinfecting efficiency of the disinfection liquid and the sewage after filtration is greatly reduced.
Disclosure of Invention
The invention aims to provide a rural domestic sewage treatment system, which aims to solve the problems that the filtering quality of large-volume solid garbage in sewage is low, large-volume solid garbage filter residues accumulated on the upper end filtering surface of a primary filter screen cannot be conveniently and effectively scraped, and the mixing and stirring disinfection efficiency of disinfectant and filtered sewage is low in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a rural domestic sewage treatment system comprises a primary filter box, a sedimentation tank, a biological purification box, a secondary filter box and a disinfection box, wherein the primary filter box is provided with a water inlet pipe, a slag discharge pipe and a water delivery port, a primary filter screen and a water baffle are sleeved in the primary filter box in a sliding manner, a slag scraping plate is arranged on the inner wall surface of the left side plate of the primary filter box, the primary filter screen and the slag scraping plate are respectively three and vertically arranged, a fixing frame is arranged at the right end of the primary filter box, a cylinder is arranged on the fixing frame, the cylinder is a long-stroke cylinder, the cylinder is a QGS series standard cylinder, a second cylinder is provided with a pair of electromagnetic valves and is respectively responsible for the left and right processes and the return stroke of a telescopic rod of the second cylinder, the telescopic rod of the cylinder can be retracted and stopped in real time, a connecting plate is arranged on the telescopic rod of the cylinder, the connecting plate is fixedly arranged with, this novel metal structure spare that uses, except special explanation, all adopt 304 stainless steel materials to make, intensity is high, corrosion resistant, easy welding process, be equipped with drain pipe, disinfectant pipe, motor, shaft groove on the disinfect box, the disinfection mixing drum comprises barrel, connecting axle, stirring leaf, and relevant slide opening and slot wait positions all are provided with rubber packing pad, guarantee the leakproofness of each box.
Preferably, cavity in the barrel, the hole of mixing has been seted up on the section of thick bamboo wall of barrel, the quantity in hole of mixing is a plurality of and densely covered setting runs through on the section of thick bamboo wall of barrel, and every hole of mixing all communicates with cavity in, and when the barrel rotated at a high speed, antiseptic solution and the sewage after the filtration can pass every hole of mixing and cavity in, greatly increased the contact surface that the stirring was mixed.
Preferably, the quantity of connecting axle is two and sets up on the both ends curb plate of barrel, and left side connecting axle rotates the joint with the shaft groove, and the right side connecting axle sets up with the motor shaft is fixed, and the motor is three-phase asynchronous machine, and its model is Y90L-2, and from taking the switch, the motor is connected to outside power supply through the wire and is arranged and insert.
Preferably, the stirring leaf divide into six groups, and every group quantity is twelve and transverse arrangement sets up, the stirring leaf is the setting of slope forty-five degrees, and the stirring leaf structure of multiunit tilt state when the stirring leaf rotates at a high speed, can improve the mixed stirring disinfection efficiency of antiseptic solution and filtration back sewage greatly.
Preferably, be equipped with side slot, square slide hole on the curb plate about elementary filter box, prefilter screen and breakwater all cup joint with the slide hole slip of square, prefilter screen and square slot are pegged graft, the water delivery mouth is passed to the left end of breakwater, and the side cross-section of square slot and square slide hole is rectangular square column structure and cup joints with the side cross-section phase-match of breakwater and prefilter screen, guarantees breakwater and prefilter screen stable lateral sliding motion.
Preferably, the cross-section of scum board is triangle-shaped structure to the contact laminating of the up end of the left lower extreme of scum board and primary filter screen has guaranteed that the bulky solid waste filter residue of filtering the face accumulation on the upper end of primary filter screen carries out comprehensive effective scraping.
Preferably, the disinfection box is of a cylindrical structure and is sleeved with the barrel of the disinfection mixing barrel in a matching mode, so that the disinfection mixing barrel and the rotation stirring matching degree among the multiple groups of stirring blades during rotation are guaranteed, and further the effective stirring area is guaranteed.
Compared with the prior art, the invention has the beneficial effects that:
through the primary filter screen structure of multilayer that sets up in elementary filter box, can improve the filtration quality to bulky solid waste in the sewage greatly, slidingtype scum board and breakwater structure through the correspondence that sets up, realized effectively striking off every primary filter screen upper end filtration face accumulation's bulky solid waste filter residue, the rubbish of striking off can fall downwards and arrange the sediment pipe discharge through the below, effectively improved the convenient clear away of accumulating bulky solid waste filter residue on the primary filter screen, avoid the primary filter screen to block and guaranteed the filtering capability of primary filter screen.
Through the rotary type disinfection mixing drum that sets up in the disinfect box to set up water mixing hole, stirring leaf, well cavity structure on the disinfection mixing drum, realized presetting the antiseptic solution that disinfects the liquid pipe and inject into and the disinfect box and filter back sewage and carry out effectual mixed stirring disinfection, improved the mixed stirring disinfection efficiency of antiseptic solution with the sewage after filtering greatly.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is an enlarged view of the inner sliding type slag scraping plate and water baffle structure of the primary filter box of the present invention;
FIG. 3 is an enlarged view of the rotary sterilizing mixing drum disposed within the sterilization case of the present invention;
FIG. 4 is a three-dimensional view of the structure of the mixing hole and the stirring blade on the sterilizing mixing drum of the present invention;
FIG. 5 is a side cross-sectional view of the sterilizing mixing cartridge of the present invention.
In the figure: 1 primary filter box, 101 water inlet pipe, 102 slag discharge pipe, 103 water delivery port, 2 sedimentation tank, 21 biological purification box, 3 secondary filter box, 4 disinfection box, 401 drain pipe, 402 disinfection liquid pipe, 403 shaft groove, 5 disinfection mixing barrel, 51 barrel, 52 connecting shaft, 53 water mixing hole, 54 stirring leaf, 55 hollow cavity, 6 motor, 7 breakwater, 11 primary filter screen, 12 slag scraping plate, 13 fixing frame, 131 cylinder, 132 connecting plate, 14 square slot, 15 square slide hole.
Detailed Description
Referring to fig. 1, a rural domestic sewage treatment system comprises a primary filter tank 1, a sedimentation tank 2, a biological purification tank 21, a secondary filter tank 3 and a disinfection tank 4, which are all sewage purification equipment devices commonly used in rural domestic sewage treatment systems and are connected with each other through water pipes, and valves are arranged on the water pipes.
Referring to fig. 1 and 2, a water inlet pipe 101, a slag discharge pipe 102 and a water delivery port 103 are arranged on a primary filter box 1, a primary filter screen 11 and a water baffle 7 are slidably sleeved in the primary filter box 1, a slag scraping plate 12 is arranged on the inner wall surface of the left side plate of the primary filter box 1, the primary filter screen 11 and the slag scraping plate 12 are respectively three and vertically arranged, the cross section of the slag scraping plate 12 is of a triangular structure, the left lower end of the slag scraping plate 12 is in contact fit with the upper end surface of the primary filter screen 11, a fixing frame 13 is welded at the right end of the primary filter box 1, an air cylinder 131 is installed on the fixing frame 13 through screws, a connecting plate 132 is welded on a telescopic rod of the air cylinder 131, the connecting plate 132 is fixedly welded with the primary filter screen 11 and the water baffle 7, square slots 14 and square slide holes 15 are arranged on the left side plate and the right side plate of the primary filter box 1, the primary filter screen 11 and the water baffle, the left end of the water baffle 7 passes through the water delivery port 103.
Referring to fig. 1, 3, 4 and 5, a disinfection mixing barrel 5 is rotatably arranged in a disinfection box 4, the disinfection box 4 is integrally of a cylindrical structure and is matched and sleeved with a barrel body 51 of the disinfection mixing barrel 5, a drain pipe 401, a disinfection liquid pipe 402, a motor 6 and a shaft groove 403 are arranged on the disinfection box 4, the disinfection mixing barrel 5 is composed of the barrel body 51, two connecting shafts 52 and stirring blades 54, the connecting shafts 52 are welded on side plates at two ends of the barrel body 51, the left connecting shaft 52 is rotatably clamped with the shaft groove 403, the right connecting shaft 52 is fixedly connected with a motor shaft of the motor 6 through a key groove, and the motor 6 is mounted on the disinfection box 4 through screws.
Referring to fig. 4 and 5, the stirring blades 54 are divided into six groups, each group has twelve stirring blades and is transversely arranged and welded, the stirring blades 54 are arranged at an inclination angle of forty-five degrees, a hollow cavity 55 is formed in the cylinder 51, water mixing holes 53 are formed in the cylinder wall of the cylinder 51, a plurality of water mixing holes 53 are densely arranged and penetrate through the cylinder wall of the cylinder 51, and each water mixing hole 53 is communicated with the hollow cavity 55.
The working principle of the scheme is as follows: rural domestic sewage is discharged into the primary filter tank 1 through the water inlet pipe 101, flows downwards and is filtered by the three primary filter screens 11, so that the filtering quality of large-volume solid garbage in the sewage can be greatly improved, and then the filtered sewage flows into the biological purification tank 21 through the water baffle 7 and the water delivery pipe preset in the water delivery port 103;
then, when the area of the upper end of three primary filter screens 11 accumulates great volume solid waste filter residue, can start cylinder 131, the telescopic rod of cylinder 131 contracts to the right, it slides to drive three primary filter screens 11 and breakwater 7 along the translation of square slide hole 15 right through connecting plate 132, fixed three scum board 12 lower extreme terminal surface can strike off the bulky solid waste filter residue of three primary filter screens 11 upper end filter surface accumulation this moment, because breakwater 7 has slided out right, the row's sediment pipe 102 of below can expose, the rubbish filter residue of striking off this moment can fall downwards and arrange the sediment pipe 102 through the below and discharge, improved the convenient clear away of accumulating bulky solid waste to primary filter screens 11 upper end, avoid primary filter screens 11 to block and guaranteed primary filter 11's filtering capability.
In addition, a water pipe is preset between the upper end of the disinfection box 4 and the second-stage filter box 3, a valve is preset on the water pipe, after a certain amount of filtered sewage is injected into the disinfection box 4 through the water pipe, the sewage is ensured to flow over the whole disinfection mixing cylinder 5, the preset valve is closed, then a certain amount of disinfectant is injected through the disinfectant pipe 402, the disinfectant pipe 402 is closed, then the motor 6 is started, the motor 6 drives the disinfection mixing cylinder 5 to rotate at a high speed through a motor shaft, at the moment, the disinfectant and the filtered sewage are effectively stirred and mixed by the multiple groups of stirring blades 54, meanwhile, the disinfectant and the filtered sewage also pass through each water mixing hole 53 and the hollow cavity 55, the contact surface for stirring and mixing is greatly increased, the whole body realizes effective mixing and stirring and disinfection of the disinfectant and the filtered sewage, and the mixing and stirring disinfection efficiency of the disinfectant and the filtered sewage is improved, after the stirring and disinfection is completed, a valve preset on the drain pipe 401 is opened, and clean water is discharged into the preset water tank.

Claims (9)

1. The utility model provides a rural domestic sewage treatment system, includes primary filter box (1), sedimentation tank (2), biological purification case (21), second grade filter box (3) and disinfect box (4), its characterized in that: be equipped with inlet tube (101), scum pipe (102), water delivery port (103) on elementary filter box (1), the slip cap is equipped with primary filter screen (11), breakwater (7) in elementary filter box (1), be equipped with scum board (12) on the left side inboard wall face of elementary filter box (1), the right-hand member of elementary filter box (1) is provided with mount (13), mount (13) facial make-up is equipped with cylinder (131), be provided with connecting plate (132) on the telescopic link of cylinder (131), connecting plate (132) and primary filter screen (11) and breakwater (7) fixed the setting, disinfect box (4) internal rotation is provided with disinfection mixing drum (5), be equipped with drain pipe (401), disinfection liquid pipe (402), motor (6), shaft groove (403) on disinfect box (4), disinfection mixing drum (5) are by barrel (51), 52), A stirring blade (54).
2. The rural domestic sewage treatment system of claim 1, wherein: the utility model discloses a barrel, including barrel (51), barrel (51) is interior to be hollow cavity (55), seted up on the section of thick bamboo wall of barrel (51) and mixed water hole (53), the quantity of mixing water hole (53) is a plurality of and densely covered the setting and runs through on the section of thick bamboo wall of barrel (51), and every mixes water hole (53) and all communicates with hollow cavity (55).
3. The rural domestic sewage treatment system of claim 1, wherein: the number of the connecting shafts (52) is two, the connecting shafts are arranged on side plates at two ends of the cylinder body (51), the left connecting shaft (52) is rotationally clamped with the shaft groove (403), and the right connecting shaft (52) is fixedly arranged with a motor shaft of the motor (6).
4. The rural domestic sewage treatment system of claim 1, wherein: the stirring blades (54) are divided into six groups, and each group is twelve in number and is transversely arranged.
5. The rural domestic sewage treatment system of claim 1, wherein: the stirring blade (54) is arranged in a manner of inclining for forty-five degrees.
6. The rural domestic sewage treatment system of claim 1, wherein: be equipped with square slot (14), square slide opening (15) on the curb plate about elementary filter box (1), prefilter screen (11) and breakwater (7) all cup joint with square slide opening (15) slip, prefilter screen (11) are pegged graft with square slot (14), water delivery mouth (103) are passed to the left end of breakwater (7).
7. The rural domestic sewage treatment system of claim 1, wherein: the number of the primary filter screens (11) and the number of the slag scraping plates (12) are respectively three and are vertically arranged.
8. The rural domestic sewage treatment system of claim 1, wherein: the section of the slag scraping plate (12) is of a triangular structure, and the left lower end of the slag scraping plate (12) is in contact fit with the upper end face of the primary filter screen (11).
9. The rural domestic sewage treatment system of claim 1, wherein: the disinfection box (4) is of a cylindrical structure and is matched and sleeved with the cylinder body (51) of the disinfection mixing cylinder (5).
CN202011075925.4A 2020-10-10 2020-10-10 Rural domestic sewage treatment system Pending CN112159042A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011075925.4A CN112159042A (en) 2020-10-10 2020-10-10 Rural domestic sewage treatment system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011075925.4A CN112159042A (en) 2020-10-10 2020-10-10 Rural domestic sewage treatment system

Publications (1)

Publication Number Publication Date
CN112159042A true CN112159042A (en) 2021-01-01

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Application Number Title Priority Date Filing Date
CN202011075925.4A Pending CN112159042A (en) 2020-10-10 2020-10-10 Rural domestic sewage treatment system

Country Status (1)

Country Link
CN (1) CN112159042A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112843836A (en) * 2021-01-27 2021-05-28 梁淑平 Petrochemical sewage treatment plant
CN113443743A (en) * 2021-07-08 2021-09-28 张茂旭 Aquaculture waste water treatment equipment
CN113952762A (en) * 2021-12-20 2022-01-21 苏州韩博环境科技有限公司 Self-cleaning oil-water separator

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CN208389557U (en) * 2018-04-22 2019-01-18 郑州栾信科技有限公司 A kind of small-sized household sewage-treatment plant
CN210078984U (en) * 2019-04-04 2020-02-18 东莞市益国环保工程有限公司 Water treatment device for deep reuse of reclaimed water
CN210945231U (en) * 2019-07-05 2020-07-07 湖南中启环境工程有限公司 Domestic sewage collects and biological treatment device
CN211171383U (en) * 2019-08-27 2020-08-04 福建皇冠纸业有限公司 Pulping device is used in processing of books and newspapers raw materials

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Publication number Priority date Publication date Assignee Title
CN207871632U (en) * 2018-01-17 2018-09-18 四川新城油物联网科技有限公司 The dregs of fat of oil-water separator detach frame
CN208389557U (en) * 2018-04-22 2019-01-18 郑州栾信科技有限公司 A kind of small-sized household sewage-treatment plant
CN210078984U (en) * 2019-04-04 2020-02-18 东莞市益国环保工程有限公司 Water treatment device for deep reuse of reclaimed water
CN210945231U (en) * 2019-07-05 2020-07-07 湖南中启环境工程有限公司 Domestic sewage collects and biological treatment device
CN211171383U (en) * 2019-08-27 2020-08-04 福建皇冠纸业有限公司 Pulping device is used in processing of books and newspapers raw materials

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112843836A (en) * 2021-01-27 2021-05-28 梁淑平 Petrochemical sewage treatment plant
CN113443743A (en) * 2021-07-08 2021-09-28 张茂旭 Aquaculture waste water treatment equipment
CN113952762A (en) * 2021-12-20 2022-01-21 苏州韩博环境科技有限公司 Self-cleaning oil-water separator

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Application publication date: 20210101