CN110304725A - A kind of biological treatment device and method for landfill leachate treatment - Google Patents

A kind of biological treatment device and method for landfill leachate treatment Download PDF

Info

Publication number
CN110304725A
CN110304725A CN201910608291.5A CN201910608291A CN110304725A CN 110304725 A CN110304725 A CN 110304725A CN 201910608291 A CN201910608291 A CN 201910608291A CN 110304725 A CN110304725 A CN 110304725A
Authority
CN
China
Prior art keywords
fixedly connected
plate
reactor
landfill leachate
driving shaft
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
CN201910608291.5A
Other languages
Chinese (zh)
Inventor
陶率
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 Kovo Environmental Technology Co Ltd
Original Assignee
Jiangsu Kovo Environmental 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 Jiangsu Kovo Environmental Technology Co Ltd filed Critical Jiangsu Kovo Environmental Technology Co Ltd
Priority to CN201910608291.5A priority Critical patent/CN110304725A/en
Publication of CN110304725A publication Critical patent/CN110304725A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • 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
    • C02F2101/20Heavy metals or heavy metal compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/06Contaminated groundwater or leachate

Abstract

The present invention proposes a kind of biological treatment device for landfill leachate treatment, including reactor, reactor is equipped with gas supply blower, air supply pipe is fixedly connected on gas supply blower, air supply pipe is extend into reactor, it is fixedly connected in reactor and holds object plate, it holds and is fixedly connected with water pump on object plate, the water inlet pipe of water pump, which penetrates downwards, holds object plate, it holds and is fixedly connected with mounting plate on object plate, universal driving shaft is rotatably connected on mounting plate, diverging arc plate is fixedly connected on universal driving shaft, the first shift plate is fixedly connected on the peripheral wall of universal driving shaft, it holds and is fixedly connected with motor on object plate, the second shift plate is fixedly connected in the shaft of motor, the peripheral wall of universal driving shaft is equipped with the resetting-mechanism resetted for universal driving shaft;It can increase solubility of the oxygen in percolate, guarantee the oxygen supply of aerobic microbiological.The present invention proposes a kind of bioremediation for landfill leachate treatment, and S1: percolate is aerated;S2: percolate anaerobism is placed, S3: treatment fluid is filtered through semi-permeable membrane.

Description

A kind of biological treatment device and method for landfill leachate treatment
Technical field
The present invention relates to garbage disposals, and in particular to a kind of biological treatment device and side for landfill leachate treatment Method.
Background technique
Landfill leachate is a kind of black or the filemot liquid with foul odour, and percolate, which contains, largely to be had Machine object and inorganic matter, including various hardly degraded organic substances, inorganic salts and metal ion.
The processing method of traditional landfill leachate includes: biological treatment and materialization treatment process, biological treatment master If the processing by the anaerobic reaction and aerobic reaction of biology to landfill leachate.
In traditional aerobic reactor, oxygen is provided to the aerobic microbiological in landfill leachate usually by way of aeration Gas, but the solubility of oxygen in water is small, aerobic reactor has just been discharged without dissolving in water in most of oxygen, aerobic Low efficiency.
Summary of the invention
In order to overcome the shortcomings in the prior art, the present invention proposes that a kind of biological treatment for landfill leachate treatment fills It sets and method, solubility of the oxygen in percolate can be increased, guarantee the oxygen supply of aerobic microbiological.
To achieve the goals above, a kind of biological treatment device for landfill leachate treatment of the invention, including it is anti- Device is answered, reactor is equipped with gas supply blower, supplies and be fixedly connected with air supply pipe on blower, air supply pipe is extend into reactor, instead It answers to be fixedly connected in device and holds object plate, hold and be fixedly connected with water pump on object plate, the water inlet pipe of water pump, which penetrates downwards, holds object plate, water pump Outlet pipe be arranged vertically upwards, hold and be fixedly connected with mounting plate on object plate, universal driving shaft, universal driving shaft are rotatably connected on mounting plate On be fixedly connected with diverging arc plate, be fixedly connected with the first shift plate on the peripheral wall of universal driving shaft, hold and be fixedly connected with motor on object plate, The second shift plate is fixedly connected in the shaft of motor, the first shift plate and the second shift plate contradict, and the peripheral wall of universal driving shaft, which is equipped with, to be used for The resetting-mechanism that universal driving shaft resets.
Further, resetting-mechanism includes a guiding axis being fixedly connected on universal driving shaft peripheral wall, and guiding axis includes edge Linkage section that universal driving shaft is arranged radially, the guide section being circumferentially arranged along universal driving shaft, the end of guide section are fixedly connected with limited block, It is fixedly connected with the guide sleeve for guiding axis sliding on mounting plate, is equipped with spring in guide sleeve.
Further, it is fixedly connected with driving gear in the shaft of motor, holds and is rotatably connected to a vertical pivot on object plate, erected Linkage gear is fixedly connected on the peripheral wall of axis, the bottom side of vertical pivot is fixedly connected with water-mixing oar, is rotatablely connected on the peripheral wall of vertical pivot Several horizontal axis, are fixedly connected with mixing paddle on horizontal axis, and the end of each horizontal axis is fixedly connected with side tooth, on the inner wall of reactor Side channel is offered, the bottom of side channel is equipped with rack gear, rack gear and side tooth engagement.
Further, the shape for dissipating arc plate is pot-shaped, and diverging arc plate blocks the outlet pipe of water pump.
Further, it holds and water pump protection cap and electric motor protecting lid is equipped with by bolt on object plate.
Further, it is fixedly connected with substrate in reactor, is placed with filter sand on substrate.
Further, liquid level sensor is fixedly connected on the outside of reactor.
Further, the upper end of reactor is equipped with transparency cover, and transparency cover is equipped with venthole, and transparency cover is equipped with pin, The upper end of reactor is equipped with slot, and splice bolt, splice bolt and pin grafting are threaded on reactor.
A kind of bioremediation for landfill leachate treatment, comprising the following steps:
S1: percolate is aerated, and detects the oxygen meltage in percolate;
S2: percolate anaerobism is placed, and detects the methane content generated in percolate;
S3: treatment fluid is filtered through semi-permeable membrane.
The utility model has the advantages that water pump takes out the percolate in reactor upwards, and the percolate twitched strikes diverging arc On plate, diverging arc plate rotates under the drive of the motor, strikes the sky that the percolate on diverging arc plate is diffused into reactor Between in, then, undissolved oxygen is contacted again in the percolate and reactor of diffusion, increase oxygen and percolate dissolution can Energy property, improves the concentration of oxygen gas in percolate.
Detailed description of the invention
With reference to the accompanying drawing the present invention is made further to describe and illustrate.
Fig. 1 is the cross-sectional view of the present embodiment entirety;
Fig. 2 is the structural schematic diagram that the present embodiment conceals reactor;
Fig. 3 is the structural schematic diagram of resetting-mechanism;
Fig. 4 is the enlarged drawing in Fig. 1 at A.
Appended drawing reference: 1, reactor;2, blower is supplied;3, object plate is held;4, air supply pipe;5, water pump;6, mounting plate;7, it links Axis;8, arc plate is dissipated;9, the first shift plate;10, motor;11, the second shift plate;12, resetting-mechanism;121, guiding axis;1211, it connects Section;1212, guide section;1213, limited block;122, guide sleeve;123, spring;13, gear is driven;14, water-mixing oar;15, horizontal axis; 16, vertical pivot;17, paddle is mixed;18, side tooth;19, side channel;20, rack gear;21, water pump protection cap;22, electric motor protecting lid;23, base Plate;24, filter sand;25, liquid level sensor;26, transparency cover;27, venthole;28, pin;29, slot;30, splice bolt; 31, linkage gear;32, water inlet;33, water outlet.
Specific embodiment
Below in conjunction with attached drawing, pass through the description to the preferred embodiment of the present invention, more clearly and completely elaboration The technical solution of invention.
Embodiment: a kind of biological treatment device for landfill leachate treatment, including reactor 1, reactor 1 are in cylinder Shape, the bottom of reactor 1 are equipped with water inlet 32, and the top of reactor 1 is equipped with water outlet 33, and the height along reactor 1 is from lower past On be successively arranged air supply pipe 4, substrate 23 and venthole 27, filter sand 24 is placed on substrate 23 to filter large-scale sundries.Gas supply Pipe 4 be connected to reactor 1 outside and from blower to reactor 1 inside supply, air supply pipe 4 be connected with gas supply blower 2, substrate 23 with The inner wall of reactor 1 is fixedly connected.
One is fixedly connected in the inner wall of reactor 1 and holds object plate 3, holds left and right sides surface and the reactor 1 of object plate 3 Inner wall is fixed, there are gap between the front and rear surfaces of reactor 1 and the inner wall of reactor 1, the liquid of landfill leachate in reactor 1 Face is lower than the upper surface for holding object plate 3.
A water pump 5 is fixedly connected on holding object plate 3, the water inlet end of water pump 5, which penetrates downwards, to be held object plate 3 and extend into anti- It answers in the landfill leachate in device 1, the upper end of water pump 5 is arranged vertically upwards.A motor is also fixedly connected on holding object plate 3 10, second shift plate 11 is fixedly connected on the shaft peripheral wall of motor 10, is fixedly connected with a peace vertically on holding object plate 3 Loading board 6, the shaft of motor 10 penetrate mounting plate 6, and the second shift plate 11 is in the right side of mounting plate 6, is rotatablely connected on mounting plate 6 There is a universal driving shaft 7, universal driving shaft 7 penetrates mounting plate 6, is fixedly connected with the diverging arc plate an of pot-shaped in the left side of universal driving shaft 7 8, diverging arc plate 8 is in the surface of 5 water outlet 33 of water pump.One first is fixedly connected on the right end peripheral wall of universal driving shaft 7 Shift plate 9, the second shift plate 11 and the first shift plate 9 contradict, and motor 10 passes sequentially through the second shift plate 11, the first shift plate 9 and universal driving shaft 7 Diverging arc plate 8 is driven to rotate.
Transparency cover 26 is installed in the upper end of reactor 1, the material of transparency cover 26 is PVC plastic, the bottom side of transparency cover 26 Equipped with a circle pin 28, a circle is offered for the slot 29 of 28 grafting of pin, in the outer of reactor 1 in the upper surface of reactor 1 Side is threaded with splice bolt 30, and splice bolt 30 passes through pin 28, so that transparency cover 26 and reactor 1 is fixed.It is aforementioned Venthole 27 is arranged on transparency cover 26, and transparency cover 26 receives sunlight convenient for the microorganism in landfill leachate, guarantees microorganism Activity.
It is rotatably connected to a vertical pivot 16 vertically in the medium position for holding object plate 3, vertical pivot 16 is in the week for holding 3 upside of object plate It is fixedly connected with linkage gear 31 on wall, driving gear 13 is fixedly connected on the shaft peripheral wall of motor 10, drives gear 13 It is engaged with linkage gear 31.Vertical pivot 16 penetrates hold object plate 3 vertically, is fixedly connected in vertical pivot 16 in the downside end for holding object plate 3 There is water-mixing oar 14, three groups of horizontal axis 15 are rotatably connected on the peripheral wall of riser, three groups of horizontal axis 15 are equidistantly set along the axle center of vertical pivot 16 It sets, mixing paddle 17 is fixedly connected on the peripheral wall of each horizontal axis 15, is fixedly connected with a side tooth in the end of horizontal axis 15 18, the inner wall of reactor 1 is provided with a circle side channel 19, the bottom of side channel 19 is provided with rack gear 20, and side tooth 18 is nibbled with rack gear 20 It closes.
Action process:
Landfill leachate is twitched upwards and impinges upon the surface of diverging arc plate 8 by water pump 5, under the driving of motor 10, electricity Machine 10 drives diverging arc plate 8 to rotate around the axis front-rear direction of universal driving shaft 7, and the landfill leachate struck on diverging arc plate 8 exists It dissipates and is no longer fallen along original route under the guiding of arc plate 8, but form water curtain in the top for holding object plate 3, landfill leachate is in water It is contacted under tentiform state with the air for holding 3 top of object plate, the contact area of landfill leachate and air is increased, to more melt Close the oxygen held in 3 upper air of object plate.Motor 10 drives diverging arc plate 8 to rotate, and diverging is hit in adjustable 5 water outlet of water pump Projected angle of impact after arc plate 8, thus the water curtain formed the drop point above object plate 3 is different, and water curtain can be held on object plate 3 holding Oxygen fusion in the air of square different location.
Water curtain flows back to the lower section for holding object plate 3 from the gap held between object plate 3 and reactor 1 after falling again, in motor Under the action of 10, motor 10 drives water-mixing oar 14 to rotate along the horizontal plane by vertical pivot 16, and water-mixing oar 14 drives in water curtain and merges The landfill leachate of oxygen is mixed and is spread with the landfill leachate of script in reactor 1, guarantees the rubbish of script in reactor 1 Aerobic microbiological everywhere in percolate can contact as early as possible and be decomposed to form water curtain and merge the garbage filter after oxygen flows back to Oxygen in liquid.
While vertical pivot 16 rotates, vertical pivot 16 drives three groups of mixing paddles 17 to rotate along the circumference of vertical pivot 16, also, by In rack gear 20 to the engagement of the gear of 15 end of horizontal axis, horizontal axis 15 is rotated along the shaft of itself, mixed on 15 peripheral wall of horizontal axis It closes paddle 17 to rotate with the rotation of horizontal axis 15, further increases the agitation degree of landfill leachate, guarantee the expansion of landfill leachate Dissipate efficiency.
Water pump protection cap 21 and electric motor protecting lid 22 are separately installed in the outside of motor 10 and water pump 5 to avoid water pump 5 and motor 10 make moist, the power supply line of motor 10 and water pump 5 is pierced by from the inner wall of reactor 1 to be connect with external world's power supply.It is reacting It is fixedly connected with liquid level sensor 25 on the outer wall of device 1, liquid level sensor 25 is to detect the height of the landfill leachate in reactor 1 Degree makes the height of landfill leachate be consistently lower than the upper surface for holding object plate 3, and liquid level sensor 25 can use model CYW-11 Liquid level sensor 25.
Motor 10, which fluctuates the first shift plate 9 by the second shift plate 11, realizes the rotation of universal driving shaft 7, to realize diverging arc plate 8 Rotation, and universal driving shaft 7 needs to be reset after rotating, to lasting can stir the first shift plate 9 under the rotation of motor 10.Therefore A resetting-mechanism 12 is equipped on the peripheral wall of universal driving shaft 7, resetting-mechanism 12 includes the guiding axis being fixed on 7 peripheral wall of universal driving shaft 121, a guide sleeve 122 is fixedly connected on the right surface of mounting plate 6, is equipped in guide sleeve 122 and to be slided for guiding axis 121 One slot, guiding axis 121 include a linkage section 1211 being fixedly connected with universal driving shaft 7, diameter of the linkage section 1211 along universal driving shaft 7 To being fixedly connected on the peripheral wall of universal driving shaft 7, guiding axis 121 further includes a guide section 1212, and guide section 1212 is circular arc, is led It is arranged concentrically to section 1212 and universal driving shaft 7.A spring 123 is placed in the slot that guide sleeve 122 is slided for guiding axis 121. When second shift plate 11 stirs the rotation of universal driving shaft 7,121 compressed spring 123 of guiding axis, the second shift plate 11 no longer stirs the first shift plate 9 When, universal driving shaft 7 resets under the action of spring 123, and the end of guiding axis 121 is fixedly connected with limited block 1213 to avoid guiding Axis 121 is sliding completely off guide sleeve 122.
A kind of bioremediation for landfill leachate treatment, the biological treatment for aforementioned landfill leachate treatment Device, mainly the following steps are included: S1, percolate is aerated for a long time in a reservoir, passes through the molten of model JPB-607A The oxygen content in oxygen analyzer detection landfill leachate is solved, it is complete after oxygen content is in 5-8mg/L always after stopping aeration At aerobic process;S2 places being added in anaerobic reaction by the percolate of aerobic reaction, passes through the anti-of anaerobe It answers, until detect that methane concentration is greater than 45%LEL in anaerobic reaction by the methane detector of model PTM600-CH4, it is complete At anaerobic reaction;S3 is filtered by semi-permeable membrane, by separation of heavy metal ions in landfill leachate, makes landfill leachate shape up to standard It is emitted into the external world at Natural Water, semi-permeable membrane uses cellulose acetate film.
Only preferred embodiments of the present invention will be described for above-mentioned specific embodiment, and not to guarantor of the invention Shield range is defined.Under the premise of not departing from design concept of the present invention and scope, those skilled in the art Provided verbal description, attached drawing various modifications to made by technical solution of the present invention, substitution and improvement according to the present invention, It should belong to protection category of the invention.Protection scope of the present invention is determined by claim.

Claims (9)

1. a kind of biological treatment device for landfill leachate treatment, including reactor (1), reactor (1) are equipped with It supplies blower (2), is fixedly connected with air supply pipe (4) on the gas supply blower (2), the air supply pipe (4) extend into reactor (1) In, which is characterized in that it is fixedly connected with and holds object plate (3) in the reactor (1), described hold is fixedly connected with water on object plate (3) It pumps (5), the water inlet pipe of the water pump (5), which penetrates downwards, to be held object plate (3), and the outlet pipe of the water pump (5) is arranged vertically upwards, institute It states to hold and is fixedly connected with mounting plate (6) on object plate (3), be rotatably connected to universal driving shaft (7), the linkage on the mounting plate (6) It is fixedly connected with diverging arc plate (8) on axis (7), is fixedly connected with the first shift plate (9) on the peripheral wall of the universal driving shaft (7), it is described It holds and is fixedly connected with motor (10) on object plate (3), be fixedly connected with the second shift plate (11) in the shaft of the motor (10), it is described First shift plate (9) and the second shift plate (11) contradict, and the peripheral wall of the universal driving shaft (7) is equipped with answers for what universal driving shaft (7) resetted Position mechanism (12).
2. a kind of biological treatment device for landfill leachate treatment according to claim 1, which is characterized in that described Resetting-mechanism (12) includes a guiding axis (121) being fixedly connected on universal driving shaft (7) peripheral wall, guiding axis (121) packet The linkage section (1211) being arranged radially along universal driving shaft (7), the guide section (1212) being circumferentially arranged along universal driving shaft (7) are included, it is described to lead It is fixedly connected with limited block (1213) to the end of section (1212), is fixedly connected on the mounting plate (6) for guiding axis (121) The guide sleeve (122) of sliding is equipped with spring (123) in the guide sleeve (122).
3. a kind of biological treatment device for landfill leachate treatment according to claim 1, which is characterized in that described Driving gear (13) is fixedly connected in the shaft of motor (10), described hold is rotatably connected to a vertical pivot (16) on object plate (3), It is fixedly connected with linkage gear (31) on the peripheral wall of the vertical pivot (16), the bottom side of the vertical pivot (16) is fixedly connected with water-mixing oar (14), it is rotatablely connected several horizontal axis (15) on the peripheral wall of the vertical pivot (16), is fixedly connected with mixing on the horizontal axis (15) The end of paddle (17), each horizontal axis (15) is fixedly connected with side tooth (18), offers side on the inner wall of the reactor (1) The bottom of slot (19), the side channel (19) is equipped with rack gear (20), and the rack gear (20) is engaged with side tooth (18).
4. a kind of biological treatment device for landfill leachate treatment according to claim 1, which is characterized in that described The shape for dissipating arc plate (8) is pot-shaped, and diverging arc plate (8) blocks the outlet pipe of water pump (5).
5. a kind of biological treatment device for landfill leachate treatment according to claim 1, which is characterized in that described It holds and electric motor protecting lid (21) and electric motor protecting lid (22) is equipped with by bolt on object plate (3).
6. a kind of biological treatment device for landfill leachate treatment according to claim 1, which is characterized in that described It is fixedly connected in reactor (1) substrate (23), is placed with filter sand (24) on the substrate (23).
7. a kind of biological treatment device for landfill leachate treatment according to claim 1, which is characterized in that described Liquid level sensor (25) are fixedly connected on the outside of reactor (1).
8. a kind of biological treatment device for landfill leachate treatment according to claim 1, which is characterized in that described The upper end of reactor (1) is equipped with transparency cover (26), and the transparency cover (26) is equipped with venthole (27), on the transparency cover (26) Equipped with pin (28), the upper end of the reactor (1) is equipped with slot (29), is threaded with splicing spiral shell on the reactor (1) Bolt (30), the splice bolt (30) and pin (28) grafting.
9. a kind of bioremediation for landfill leachate treatment, for a kind of use described in claim 1-8 Arbitrary Term In the biological treatment device of landfill leachate treatment, which comprises the following steps:
S1: percolate is aerated, and detects the oxygen meltage in percolate;
S2: percolate anaerobism is placed, and detects the methane content generated in percolate;
S3: treatment fluid is filtered through semi-permeable membrane.
CN201910608291.5A 2019-07-08 2019-07-08 A kind of biological treatment device and method for landfill leachate treatment Pending CN110304725A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910608291.5A CN110304725A (en) 2019-07-08 2019-07-08 A kind of biological treatment device and method for landfill leachate treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910608291.5A CN110304725A (en) 2019-07-08 2019-07-08 A kind of biological treatment device and method for landfill leachate treatment

Publications (1)

Publication Number Publication Date
CN110304725A true CN110304725A (en) 2019-10-08

Family

ID=68079064

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910608291.5A Pending CN110304725A (en) 2019-07-08 2019-07-08 A kind of biological treatment device and method for landfill leachate treatment

Country Status (1)

Country Link
CN (1) CN110304725A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100275833B1 (en) * 1997-12-30 2000-12-15 정순착 Separated biofilter system for nitrogen removal
CN1640825A (en) * 2004-01-14 2005-07-20 向连城 Rotary flow aeration biological filter
CN102992437A (en) * 2012-11-21 2013-03-27 中国核电工程有限公司 Device, structure and process for processing ammonia-nitrogen sewage by aeration zeolite fluidized bed
CN107601687A (en) * 2017-10-24 2018-01-19 浙江辰基建设有限公司 Stirred type aerator is used in a kind of municipal wastewater processing
CN108503020A (en) * 2018-03-06 2018-09-07 刘志坚 A kind of aerator for sanitary sewage disposal
CN208029698U (en) * 2018-01-17 2018-11-02 上海为绿景观建设有限公司 A kind of rainer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100275833B1 (en) * 1997-12-30 2000-12-15 정순착 Separated biofilter system for nitrogen removal
CN1640825A (en) * 2004-01-14 2005-07-20 向连城 Rotary flow aeration biological filter
CN102992437A (en) * 2012-11-21 2013-03-27 中国核电工程有限公司 Device, structure and process for processing ammonia-nitrogen sewage by aeration zeolite fluidized bed
CN107601687A (en) * 2017-10-24 2018-01-19 浙江辰基建设有限公司 Stirred type aerator is used in a kind of municipal wastewater processing
CN208029698U (en) * 2018-01-17 2018-11-02 上海为绿景观建设有限公司 A kind of rainer
CN108503020A (en) * 2018-03-06 2018-09-07 刘志坚 A kind of aerator for sanitary sewage disposal

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
张根玉等: "《淡水养鱼高产新技术》", 30 September 2006, 金盾出版社 *
毛玉红: "《水生物处理新技术》", 30 April 2015 *

Similar Documents

Publication Publication Date Title
JP6764081B1 (en) Multi-stage aeration device for sewage treatment
CN205472748U (en) Nanometer bubble organic waste gas processing system
CN205431624U (en) Oxygen -increasing machine for fish pond
CN107673465A (en) A kind of sewage disposal aeration tank for improving aeration efficiency
CN110304725A (en) A kind of biological treatment device and method for landfill leachate treatment
CN212586095U (en) Soil dissolving device
CN107758888A (en) A kind of special aerator of water treatment technology
CN200949079Y (en) Flow-pulling type submerge aerator
JP3354888B2 (en) Gas dissolution equipment
CN214243947U (en) Aeration device for treating leachate of garbage transfer station
CN206069503U (en) A kind of sewage disposal is unpowered oxygen enhancing aeration device
CN207254169U (en) A kind of coating jet stream assisting agitating apparatus
CN107497329A (en) A kind of coating jet assisting agitating apparatus
CN109133238B (en) Aeration machine for domestic sewage convenient to increase work efficiency and can generate electricity
CN217437783U (en) Household paper production wastewater treatment and recycling system
CN217111627U (en) Plain reservoir water pollution detection device
CN207158824U (en) A kind of waste liquid recovery apparatus of chemical experiment
JPH0713840Y2 (en) Water purification device in closed water area
CN2412900Y (en) Booster aerator
CN220657913U (en) Centrifugal machine for soil detection
JPH03165899A (en) Agitated aerator
CN218281328U (en) A medication dosing device for sewage treatment
CN211963918U (en) Dust collector for feed processing
CN216584283U (en) Coating sewage treatment equipment
CN213895240U (en) Fluidized bed cyclone reaction tank

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20191008