CN108911015A - A kind of adsorption and dephosphorization equipment and system suitable for rural domestic sewage treatment - Google Patents

A kind of adsorption and dephosphorization equipment and system suitable for rural domestic sewage treatment Download PDF

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Publication number
CN108911015A
CN108911015A CN201811074408.8A CN201811074408A CN108911015A CN 108911015 A CN108911015 A CN 108911015A CN 201811074408 A CN201811074408 A CN 201811074408A CN 108911015 A CN108911015 A CN 108911015A
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CN
China
Prior art keywords
water
adsorption
barrel
main line
dephosphorization
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
CN201811074408.8A
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Chinese (zh)
Inventor
李现瑾
温建利
林常源
杨振
刘华
于连玉
李斌
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.)
Jiangsu Zhongcha Environmental Protection Equipment Co Ltd
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Jiangsu Zhongcha Environmental Protection Equipment 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 Jiangsu Zhongcha Environmental Protection Equipment Co Ltd filed Critical Jiangsu Zhongcha Environmental Protection Equipment Co Ltd
Priority to CN201811074408.8A priority Critical patent/CN108911015A/en
Publication of CN108911015A publication Critical patent/CN108911015A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/006Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/105Phosphorus compounds

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Treatment By Sorption (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

It the invention discloses a kind of adsorption and dephosphorization equipment and system suitable for rural domestic sewage treatment, can effectively solve that effluent quality is poor, the problem of dephosphorization difficulty, realize the effect of the pollutants such as removal phosphate from sewage, technical solution is:Including barrel-type shell, barrel-type housing interior volume is separated into intake chamber and drip chamber by the vertical partition of setting in barrel-type shell;Filtrate is loaded in the intake chamber and drip chamber, water distributor is arranged in the intake chamber internal upper part, water distributor is connected to water inlet pipe, water inlet pipe is set to barrel-type side wall of outer shell and extends outward, water collector is arranged in the drip chamber internal upper part, water collector is connected to outlet pipe, and outlet pipe is set to barrel-type side wall of outer shell and extends outward.

Description

A kind of adsorption and dephosphorization equipment and system suitable for rural domestic sewage treatment
Technical field
The present invention relates to villages and small towns dispersant type domestic wastewater processing technology fields, are suitable for life in the countryside more particularly to one kind The adsorption and dephosphorization equipment and system of sewage treatment.
Background technique
With villages and small towns expanding economy, quantity of wastewater effluent increasingly increases, and a large amount of untreated sewage are directly discharged into River, the pool in rural area, seriously polluted water body environment, affect the quality of life of villages and small towns resident.In recent years, occur in the market Large quantities of rural scattered domestic sewage processing equipments, low side devices such as septic tank etc. are only capable of carrying out small part pollutant effective The Related product of removal;The related production that high-end devices such as purification tank etc. can be effectively treated most of pollutant Product.
It is well known that the P elements in sewage are most direct one of the reasons for leading to water eutrophication.Currently, environmentally friendly Industry is to there are many kinds of the processing methods of phosphor in sewage element, such as bioanalysis, chemical precipitation method, electrolysis method, ecological method and absorption Method etc..Bioanalysis is activated sludge alternate run under anaerobism, aerobic condition, by discharging rich phosphorus excess sludge, reaches dephosphorization Purpose;Due to needing periodically to discharge rich phosphorus excess sludge, it is not suitable for the processing of rural area decentralized type sewage.Chemical precipitation method be to Chemical agent is added in sewage, is made the pollutants such as itself and phosphate that direct chemical reaction occur, is generated the precipitating for being insoluble in water Object, the method for removing the separated from contaminants such as phosphate;Due to needing periodically to add medicament and cleaning chemical sludge, discomfort is shared In the processing of rural area decentralized type sewage.Electrolysis method is that electrode is done using materials such as copper, aluminium, iron, removes the dirts such as the phosphate in sewage Contaminate object;Since sediment production quantity and electrode material consumption are larger, operating cost is higher, is not suitable for rural area decentralized type sewage Processing.Ecological method and absorption method are mainly by absorbent filter medium and plant etc. to phosphatic physics, chemistry, biological adsorption;Although tool There is volume larger, regeneration treatment is needed after adsorption saturation;But for above method, be it is a kind of have stable water outlet, The mode for being suitable for the processing of rural area decentralized type sewage for the advantages that operation and maintenance facilitate.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of suctions suitable for rural domestic sewage treatment Attached dephosphorization equipment, can effectively solve that effluent quality is poor, the problem of dephosphorization difficulty, realize the pollutions such as removal phosphate from sewage The effect of object;
Further, the present invention adopts the following technical solutions:
A kind of adsorption and dephosphorization equipment suitable for rural domestic sewage treatment, including barrel-type shell, in barrel-type shell Vertical partition is set, barrel-type housing interior volume is separated into intake chamber and drip chamber;In the intake chamber and drip chamber Filtrate is loaded, water distributor is arranged in the intake chamber internal upper part, and water distributor is connected to water inlet pipe, and water inlet pipe is set to barrel-type shell Side wall simultaneously extends outward, and water collector is arranged in the drip chamber internal upper part, and water collector is connected to outlet pipe, and outlet pipe is set to cylinder Body type case side wall simultaneously extends outward.
Further, the water distributor includes the water distribution main line being connected to water inlet pipe, and water distribution main line two sides are and cloth The connection of water bye-pass has setting angle between water distribution main line and water distribution branch pipe road.
Further, the water distribution main line and water distribution branch pipe terminal portion are respectively provided with pipe plug.
Further, the water distribution main line and water distribution branch pipe road symmetrically open up water distributing pore along tube wall.
Further, the water collector includes the main line that catchments being connected to outlet pipe, catchment main line two sides with collection The connection of water bye-pass, catchmenting between main line and the bye-pass that catchments has setting angle.
Further, main line and the bye-pass end of catchmenting of catchmenting is respectively provided with pipe plug.
Further, main line and the bye-pass that catchments of catchmenting symmetrically opens up water hole along tube wall.
Further, the water inlet pipe and outlet pipe are respectively provided with valve.
Further, there is setting gap between the partition bottom and barrel-type outer shell bottom wall.
Further, backwash tube is set in the middle part of the barrel-type shell, the backwash tube includes by barrel-type cover top portion The vertical tube of bottom is extended to, vertical tube bottom is connected to horizontal tube.
Further, the horizontal tube with vertical tube connectivity part to two sides from extending, and horizontal tube both ends are respectively provided with pipe plug.
Further, the horizontal tube symmetrically opens up backwash hole along tube wall.
Further, the barrel-type cover top portion is provided with dismountable cover board.
A kind of adsorption and dephosphorization system suitable for rural domestic sewage treatment, including adsorption and dephosphorization equipment as described above, The water inlet pipe of the adsorption and dephosphorization equipment is connected to the outlet pipe of sewage disposal device.
Compared with prior art, the beneficial effects of the invention are as follows:
1, the adsorption and dephosphorization equipment can carry out factory's batch micro operations, standardized production, in-site installation mode, shorten and build If the period reduces construction cost.
2, the adsorption and dephosphorization equipment is not related to component of machine, non-maintaining in filtrate absorption life cycle.
3, the adsorption and dephosphorization equipment is compared and artificial swamp, and occupied area is small, solves the correlations such as the leakage of civil construction Problem.
4, the system of adsorption and dephosphorization equipment composition solves existing small sewage treatment equipment, and effluent quality is poor, removes The problem of phosphorus difficulty realizes the purpose of the pollutants such as removal phosphate from sewage.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is adsorption and dephosphorization equipment schematic diagram in the embodiment of the present invention;
Fig. 2 is adsorption and dephosphorization equipment top view in the embodiment of the present invention;
Fig. 3 is the schematic diagram of water distributor;
Fig. 4 is the schematic diagram of backwash tube;
Fig. 5 is a kind of embodiment schematic diagram of adsorption and dephosphorization system;
Fig. 6 is another embodiment schematic diagram of adsorption and dephosphorization system;
In figure, 1 barrel-type shell, 2 partitions, 3 intake chambers, 4 drip chambers, 5 water distributors, 6 water inlet pipes, 7 water collectors, 8 water outlets Pipe, 9 backwash tubes, 10 valves, 11 water distribution main lines, 12 water distribution branch pipe roads, 13 pipe plugs, 14 water distributing pores, 15 vertical tubes, 16 horizontal tubes, 17 pipe plugs, 18 backwash holes, 19 cover boards, 20 septic tanks, 21 purification tanks, 22 adsorption and dephosphorization equipment, outside Room 23 horizon, and 24 outer rivers are most High water level.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, in the prior art the techniques such as ecological method and absorption method have the construction period it is long, at The disadvantages of this height, easy to leak, in order to solve technical problem as above, present applicant proposes one kind to be suitable at domestic sewage in rural areas The adsorption and dephosphorization equipment and system of reason, the dephosphorization process being suitable in the decentralized type sewage treatment process of rural area.
In a kind of typical embodiment of the application, as Figure 1-Figure 4, provide a kind of dirty suitable for life in the countryside The adsorption and dephosphorization equipment of water process, the equipment are a kind of suction after being connected to the small sewage treatment equipments such as septic tank, purification tank The residents equipment of attached dephosphorization, equipment are complete buried form.Equipment body is φ 1000-3000mm, depth 1000-3000mm Barrel-shaped structure, for the molding of the materials such as PE, glass reinforced plastic, hand paste or the transformation such as feed pipe, drainpipe can be passed through.It includes cylinder 1 inner space of barrel-type shell is separated into intake chamber 3 and draining by formula shell 1, the vertical partition 2 of the interior setting of barrel-type shell 1 Room 4;Filtrate is loaded in the intake chamber 3 and drip chamber 4, filtrate can be selected the composite filtering material of various material or add by extraordinary The filtrate with performances such as dephosphorization of work.Water distributor 5 is arranged in 3 internal upper part of intake chamber, and water distributor 5 is connected to water inlet pipe 6, into Water pipe 6 is set to 1 side wall of barrel-type shell and extends outward, and 4 internal upper part of drip chamber is arranged water collector 7, water collector 7 with Outlet pipe 8 is connected to, and outlet pipe 8 is set to 1 side wall of barrel-type shell and extends outward.
Dismountable cover board 19 is provided at the top of the barrel-type shell 1, when only with filtrate absorbing process, cover board can To prevent sundries from entering filter bed blocking filtrate;When carrying out plant and filtrate Coupling Adsorption treatment process, cover board can not be set.
There is setting gap between 2 bottom of partition and 1 bottom wall of barrel-type shell.Septum plate length is 1000-3000mm, Gap is water stream channel between partition lower end and barrel-type shell.The setting of partition may be implemented to increase to greatest extent sewage with The time of contact of filtrate.
The water distributor 5 includes the water distribution main line 11 being connected to water inlet pipe 6,11 two sides of water distribution main line with water distribution branch Pipeline 12 is connected to, and has setting angle between water distribution main line 11 and water distribution branch pipe road 12.Water distributor uses φ in the present embodiment 50-110mm, the production of intermediate symmetry perforated pipe.Angle is arranged between water distribution main line 11 and water distribution branch pipe road 12 in the present embodiment It is 45 °.
The water distribution main line 11 and 12 end of water distribution branch pipe road are respectively provided with pipe plug 13.
The water distribution main line 11 and water distribution branch pipe road 12 symmetrically open up water distributing pore 14 along tube wall.Water distributing pore tiltable is set It sets, the axially bored line and vertical line angle of water distributing pore can be 45 °.Water distributing pore can symmetrically be opened up in two following side of pipeline, can be used tiltedly The set-up mode of downward 45 ° symmetrical perforated pipes.
The water collector 7 is identical with the structure of water distributor 5 comprising the main line that catchments being connected to outlet pipe 8, catchment master Pipeline two sides are connected to collection branch pipe road, and catchmenting between main line and the bye-pass that catchments has setting angle.
Main line and the bye-pass end of catchmenting of catchmenting is respectively provided with pipe plug.
Main line and the bye-pass that catchments of catchmenting symmetrically opens up water hole along tube wall.
Water distributor and water collector can be all made of the diversified forms such as " Y " or " fourth " font pattern set, water distribution, to realize more evenly It water distribution and catchments.
The water inlet pipe 6 and outlet pipe 8 are respectively provided with valve 10.
Backwash tube 9 is set in the middle part of the barrel-type shell 1, and the backwash tube 9 includes by extending at the top of barrel-type shell 1 The vertical tube 15 of bottom, 15 bottom of vertical tube are connected to horizontal tube 16.
The horizontal tube 16 with 15 connectivity part of vertical tube to two sides from extending, and 16 both ends of horizontal tube are respectively provided with pipe plug 17, can To reduce the blocking of backwash tube.It bassets after backwash tube installation.It is used when equipment normal use as escape pipe;Equipment needs When backwash, used as backwash tube.
The horizontal tube 16 symmetrically opens up backwash hole 18 along tube wall, backwash hole tiltable setting, the axially bored line in backwash hole with Vertical line angle can be 45 °, and backwash hole can symmetrically be opened up in two following side of horizontal tube.Backwash tube uses φ 50- in the present embodiment 110mm, obliquely 45 ° of symmetrical perforated pipes.
The installation process of adsorption and dephosphorization equipment is:Precast concrete bottom plate, excavation of foundation pit, prefabricated panel installation, equipment are put Set, equipment installation etc..Equipment is installed:Filtrate, water distributor and water collector installation, composite decking peace are launched in backwash tube installation Dress or serike etc..
The course of work of adsorption and dephosphorization equipment is:Sewage-treatment plant water outlet flows into the adsorption and dephosphorization processing equipment, passes through It is mounted on into the indoor water distributor of water, by the uniform cloth of water on filtrate;During filtrate and corresponding plants are seeped under sewage, inhale Phosphate in attached water and other polluters of degrading;With constantly pouring in for sewage, water collector collects tail water nearby, by going out Mouth of a river discharge.
In the typical embodiment of the another kind of the application, a kind of absorption suitable for rural domestic sewage treatment is provided Dephosphorization system, as shown in figure 5, include adsorption and dephosphorization equipment 22 as described above, the water inlet pipe of the adsorption and dephosphorization equipment 22 with The outlet pipe of sewage disposal device is connected to, and sewage disposal device uses septic tank 20 in the embodiment, and adsorption and dephosphorization equipment 22 In underground, top is concordant with outdoor horizon 23, does not add cover board, and planting plants, the outlet pipe of adsorption and dephosphorization equipment 22 It is connected to external river, outlet pipe height is concordant with outer river peak level 24.
Septic tank effluent flows into adsorption and dephosphorization equipment and is being filtered the uniform cloth of water by being mounted on into the indoor water distributor of water On material.During filtrate and attached microbial seep under sewage, phosphate in absorption effluent, and other pollutants of degrading Matter.Meanwhile the water plant planted in adsorption and dephosphorization equipment further absorbs the pollutants such as phosphate in sewage, goes It removes.With constantly pouring in for sewage, water collector collects the water after adsorption treatment, is discharged by water outlet.
In the typical embodiment of the another kind of the application, a kind of absorption suitable for rural domestic sewage treatment is provided Dephosphorization system, as shown in fig. 6, include adsorption and dephosphorization equipment 22 as described above, the water inlet pipe of the adsorption and dephosphorization equipment 22 with The outlet pipe of sewage disposal device is connected to, and sewage disposal device uses purification tank 21 in the embodiment, and adsorption and dephosphorization equipment 22 In underground, top adds cover board lower than outdoor horizon 23, and the outlet pipe of adsorption and dephosphorization equipment 22 is connected to external river, Outlet pipe height is concordant with outer river peak level 24.
Purification tank water outlet flows into the equipment, by being mounted on into the indoor water distributor of water, by the uniform cloth of water on filtrate.Filter Material and attached microbial be under sewage during seep, the phosphate in absorption effluent, and other polluters of degrading.With dirt Water constantly pours in, and water collector collects the water after adsorption treatment, is discharged by water outlet.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.

Claims (10)

1. a kind of adsorption and dephosphorization equipment suitable for rural domestic sewage treatment, characterized in that including barrel-type shell, barrel-type Barrel-type housing interior volume is separated into intake chamber and drip chamber by the vertical partition of setting in shell;The intake chamber and draining Indoor to load filtrate, water distributor is arranged in the intake chamber internal upper part, and water distributor is connected to water inlet pipe, and water inlet pipe is set to cylinder Formula side wall of outer shell simultaneously extends outward, and water collector is arranged in the drip chamber internal upper part, and water collector is connected to outlet pipe, and outlet pipe is set It is placed in barrel-type side wall of outer shell and extends outward.
2. adsorption and dephosphorization equipment as described in claim 1, characterized in that the water distributor includes the water distribution being connected to water inlet pipe Main line, water distribution main line two sides are connected to water distribution branch pipe road, have setting folder between water distribution main line and water distribution branch pipe road Angle.
3. the adsorption and dephosphorization equipment stated such as claim 2, characterized in that the water distribution main line and water distribution branch pipe terminal portion are all provided with Set pipe plug.
4. adsorption and dephosphorization equipment as claimed in claim 2, characterized in that the water distribution main line and water distribution branch pipe road are along pipe Wall symmetrically opens up water distributing pore.
5. adsorption and dephosphorization equipment as described in claim 1, characterized in that the water collector includes catchmenting of being connected to outlet pipe Main line, main line two sides of catchmenting are connected to collection branch pipe road, and catchmenting between main line and the bye-pass that catchments has setting folder Angle.
6. adsorption and dephosphorization equipment as claimed in claim 5, characterized in that it is described catchment main line and bye-pass end of catchmenting it is equal Pipe plug is set;Main line and the bye-pass that catchments of catchmenting symmetrically opens up water hole along tube wall.
7. adsorption and dephosphorization equipment as described in claim 1, characterized in that the water inlet pipe and outlet pipe are respectively provided with valve;Institute Stating has setting gap between partition bottom and barrel-type outer shell bottom wall;The barrel-type cover top portion is provided with dismountable lid Plate.
8. adsorption and dephosphorization equipment as described in claim 1, characterized in that backwash tube, institute are arranged in the middle part of the barrel-type shell Stating backwash tube includes the vertical tube that bottom is extended to by barrel-type cover top portion, and vertical tube bottom is connected to horizontal tube.
9. adsorption and dephosphorization equipment as claimed in claim 8, characterized in that the horizontal tube with vertical tube connectivity part to two sides from prolonging It stretches, and horizontal tube both ends are respectively provided with pipe plug;The horizontal tube symmetrically opens up backwash hole along tube wall.
10. a kind of adsorption and dephosphorization system suitable for rural domestic sewage treatment, characterized in that appoint including such as claim 1-9 The water inlet pipe of adsorption and dephosphorization equipment described in one, the adsorption and dephosphorization equipment is connected to the outlet pipe of sewage disposal device.
CN201811074408.8A 2018-09-14 2018-09-14 A kind of adsorption and dephosphorization equipment and system suitable for rural domestic sewage treatment Pending CN108911015A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811074408.8A CN108911015A (en) 2018-09-14 2018-09-14 A kind of adsorption and dephosphorization equipment and system suitable for rural domestic sewage treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811074408.8A CN108911015A (en) 2018-09-14 2018-09-14 A kind of adsorption and dephosphorization equipment and system suitable for rural domestic sewage treatment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110294523A (en) * 2019-03-21 2019-10-01 孙华定 A kind of river surface water treatment facilities

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2920987Y (en) * 2006-06-16 2007-07-11 宁波市科技园区德安生态城市工程有限公司 Artificial wet land for treating sewage
CN102001743A (en) * 2010-09-30 2011-04-06 青岛理工新环境技术开发有限公司 Sewage aerobic land treatment system
CN203668150U (en) * 2013-12-27 2014-06-25 青岛中宇环保科技有限公司 Integrated water purifying equipment
CN206985840U (en) * 2017-06-16 2018-02-09 河南城源建设工程有限公司 A kind of combined artificial wetland of dephosphorization denitrogenation
CN107938761A (en) * 2017-12-27 2018-04-20 山东科源供排水设备工程有限公司 Anti pollution water tank
CN208980372U (en) * 2018-09-14 2019-06-14 江苏中车环保设备有限公司 A kind of adsorption and dephosphorization equipment and system suitable for rural domestic sewage treatment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2920987Y (en) * 2006-06-16 2007-07-11 宁波市科技园区德安生态城市工程有限公司 Artificial wet land for treating sewage
CN102001743A (en) * 2010-09-30 2011-04-06 青岛理工新环境技术开发有限公司 Sewage aerobic land treatment system
CN203668150U (en) * 2013-12-27 2014-06-25 青岛中宇环保科技有限公司 Integrated water purifying equipment
CN206985840U (en) * 2017-06-16 2018-02-09 河南城源建设工程有限公司 A kind of combined artificial wetland of dephosphorization denitrogenation
CN107938761A (en) * 2017-12-27 2018-04-20 山东科源供排水设备工程有限公司 Anti pollution water tank
CN208980372U (en) * 2018-09-14 2019-06-14 江苏中车环保设备有限公司 A kind of adsorption and dephosphorization equipment and system suitable for rural domestic sewage treatment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110294523A (en) * 2019-03-21 2019-10-01 孙华定 A kind of river surface water treatment facilities
CN110294523B (en) * 2019-03-21 2021-12-10 江苏星鑫分离设备制造有限公司 River surface water treatment device

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