CN207659165U - A kind of Fenton oxidation reaction tower apparatus - Google Patents

A kind of Fenton oxidation reaction tower apparatus Download PDF

Info

Publication number
CN207659165U
CN207659165U CN201721667756.7U CN201721667756U CN207659165U CN 207659165 U CN207659165 U CN 207659165U CN 201721667756 U CN201721667756 U CN 201721667756U CN 207659165 U CN207659165 U CN 207659165U
Authority
CN
China
Prior art keywords
uniform device
water outlet
water
inlet
tube
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.)
Active
Application number
CN201721667756.7U
Other languages
Chinese (zh)
Inventor
陈立伟
张永乐
姜福
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.)
Zhongzhi Jiangsu Environmental Construction Co ltd
Original Assignee
Jiangsu Southern Environmental Protection Ltd By Share 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 Southern Environmental Protection Ltd By Share Ltd filed Critical Jiangsu Southern Environmental Protection Ltd By Share Ltd
Priority to CN201721667756.7U priority Critical patent/CN207659165U/en
Application granted granted Critical
Publication of CN207659165U publication Critical patent/CN207659165U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of Fenton oxidations to react tower apparatus, including reacting tank body, reacting tank body includes the inlet segment of lower part and the conversion zone on top, and the intersection of inlet segment and conversion zone is provided with aerator, aerator is made of several concentric circles endless tubes, and solarization air cap is formed on concentric circles endless tube;Connection water inlet ring tube on the side wall of inlet segment, it is formed with inlet opening on water inlet ring tube and states conversion zone and be from top to bottom disposed with hydrogen peroxide uniform device, ferrous sulfate uniform device and sulfuric acid uniform device, it is provided with water outlet baffle plate above hydrogen peroxide uniform device, the first water outlet is formed in water outlet baffle plate, one sawtooth weir is set above water outlet baffle plate, and sawtooth weir end is provided with the second water outlet.The device design science, cloth water cloth medicine is uniform, ingenious to utilize air floating principle, it does not need additionaling power to be stirred, saves operation power charge, reduce equipment cost, hydrogen peroxide decomposition caused by vigorous agitation is reduced, dioxygen water consumption is reduced, improves dioxygen water use efficiency.

Description

A kind of Fenton oxidation reaction tower apparatus
Technical field
The utility model is related to a kind of Fenton oxidations to react tower apparatus, belong to technical field of sewage.
Background technology
With the continuous propulsion of process of industrialization, the wastewater discharge containing high concentration bio-refractory organic pollution Increased with swifter and more violent speed, the type of high concentrated organic wastewater pollutant is on the increase, and intractability is also continuously increased, work The presence of a large amount of metal ions and surfactant, limits the use of bioanalysis in industry waste water.In contrast, the advanced oxygen of chemistry Change method processing industrial wastewater solves the deficiency of other techniques, under the present art, Fenton to a certain extent(It is fragrant )Method is increasingly becoming the prefered method of processing hardly degraded organic substance, in sewage treatment field quilt as a kind of high-level oxidation technology Recalcitrant chemicals in sewage can be effectively treated in extensive use, this technology, improve effluent index.
Fenton oxidation, basic principle are to generate the hydroxyl radical free radical (OH) with strong oxidizing property by chemically reacting Oxygenolysis organic pollution.Hydroxyl radical free radical (OH) can be with simultaneous oxidation gas chromatography, selection strong with degradation capability Property it is low, reaction rate is fast, infrastructure and it is easy to operate, reagent is non-toxic, be easy to control, investment it is smaller the features such as.But it is existing With the presence of traditional Fenton's reaction device is of high cost, dioxygen water use efficiency is not high, iron containing sludge yield is big, easily causes secondary pollution The problems such as, in order to improve the utilization rate of Fenton oxidation reaction, it would be highly desirable to be improved to Fenton oxidation reaction tower apparatus.
Utility model content
To solve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of Fenton oxidations to react tower apparatus, The efficient utilization for realizing hydrogen peroxide, reduces the generation of iron cement, water treatment efficiency is optimized while cost-effective.
In order to realize above-mentioned target, the utility model adopts the following technical scheme:
A kind of Fenton oxidation reaction tower apparatus, includes the reacting tank body that bottom is equipped with supporting leg, under the reacting tank body includes The intersection of the inlet segment in portion and the conversion zone on top, the inlet segment and conversion zone is provided with aerator, the aerator by Several concentric circles endless tubes are constituted, and solarization air cap is formed on the concentric circles endless tube;Water inlet is connected on the side wall of the inlet segment It is provided with evacuation port on ring tube, bottom wall, cock body is provided at the evacuation port, is formed with into water on the water inlet ring tube Hole;The conversion zone is from top to bottom disposed with hydrogen peroxide uniform device, ferrous sulfate uniform device and sulfuric acid uniform device, described double It is provided with water outlet baffle plate above oxygen water uniform device, the first water outlet, the water outlet baffle plate top are formed in the water outlet baffle plate One sawtooth weir is set, and sawtooth weir end is provided with the second water outlet.
Preferably, aforementioned number of legs is three, utilizes the stability of gusseted principle, it is ensured that reaction tower consolidates Property.
More preferably, previous reaction section be cylindrical structure, the inlet segment be inverted cone structure, the conversion zone with Inlet segment is an integral structure.
It is highly preferred that aforementioned aerator is made of 3 concentric circles endless tubes, the donut bottom of the tube has been evenly distributed Several to solarization air cap, each pair of solarization air cap is alternately distributed in bottom centerline both sides and is radially oliquely downward arranged, and perpendicular Histogram is to structure angle at 45 °, and a diameter of 4 ~ 6mm of solarization air cap, such structure setting can ensure equably air inlet, with dirt Water mixing carries out subsequent reactions.
More preferably, aforementioned water inlet ring tube is monocycle, and it is several right that the water inlet annulus bottom of the tube has been equally distributed Inlet opening, each pair of inlet opening is alternately distributed in bottom centerline both sides and is radially oliquely downward arranged, with vertical direction Structure angle at 45 °, a diameter of 4 ~ 6mm in inlet opening, pending sewage enter from inlet opening inside reaction tower, it is ensured that It is even, gently intake.
It is further preferred that aforementioned hydrogen peroxide uniform device, ferrous sulfate uniform device are identical with the structure of sulfuric acid uniform device, " rice " font structure is constituted by 4 cloth tubes, 5 pairs of cloth holes are both provided on every cloth tube, medicament can be made equably to divide Cloth can make medicament and sewage be uniformly mixed, fully react in reacting tank body in the state of not stirring, reduce equipment at This, and improve medicament utilization rate.
It is highly preferred that pH meter and thermometer are provided between aforementioned sulfuric acid uniform device and concentric circles aeration tube, to reacting item Part is monitored in real time, and reaction condition is adjusted in combination with reaction requirement.
Still further preferably, aforementioned water outlet baffle plate is in conical structure, and first water outlet is close to conical structure Sawtooth weir is arranged in the bottom of side above water outlet baffle plate, is conducive to the sewage after reaction and is uniformly and stably discharged.
It is further preferred that previous reaction tank body is made of carbon steel liner tetrafluoro material, the water inlet ring tube, dioxygen Water uniform device, ferrous sulfate uniform device, sulfuric acid uniform device and aerator are made of PP materials, can be assigned to the optimization of material The corrosion resistant performance of the better strong alkali-acid resistance of device.
The utility model has done traditional Fenton oxidation method and has significantly improved, and solves of high cost, medicine in traditional handicraft Agent utilization rate is not high, iron containing sludge yield is big, easily causes secondary pollution problems.The device design science of the utility model, cloth Water cloth medicine is uniform, ingenious to utilize air floating principle, does not need additionaling power and is stirred, and saves operation power charge, reduces and set Standby cost, reduces hydrogen peroxide decomposition caused by vigorous agitation, reduces dioxygen water consumption, and due to utilizing air aeration, Oxygen in air is full of in sewage, is had certain inhibiting effect at oxygen to decomposing hydrogen dioxide solution, is further reduced double The decomposition of oxygen water substantially increases hydrogen peroxide and generates hydroxyl radical free radical(OH conversion) improves dioxygen water use efficiency.
The utility model is beneficial in that:
(1)Using the uniform device of " rice " font, every discharge nozzle is equipped with symmetrically to be divided the reaction tower apparatus of the utility model 5 pairs of discharge holes of cloth have the advantages that uniform cloth, medicament utilization rate height, without stirring;
(2)Using concentric circles aerator, aeration agitation strength is small, in the case where ensureing that medicament is uniformly mixed, reduces The decomposition rate of hydrogen peroxide, and the oxygen in air inhibits the decomposition reaction of hydrogen peroxide, is conducive to hydroxyl radical free radical (OH) Generation, improve the utilization rate of hydrogen peroxide, to reduce the usage amount of ferrous sulfate, reduce the generation of iron cement;
(3)Apparatus structure is ingenious in design to be rationally stirred without additionaling power, and operating cost has been saved, and is reduced double Oxygen water decomposition caused by vigorous agitation reduces dioxygen water consumption, has superior treatment effect;
(4)Inlet segment bottom is provided with evacuation port, can will empty, be convenient for inside reacting tank body when running the when of breaking down Maintenance.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of Fenton oxidation reaction tower apparatus of the utility model;
Fig. 2 is the partial enlargement structural representation of Fig. 1;
Fig. 3 is the structural schematic diagram of the uniform device in Fig. 1;
Fig. 4 is the structural schematic diagram of the aerator in Fig. 1;
Fig. 5 is the A1-A1 schematic cross-sections of the aerator in Fig. 4;
Fig. 6 is the A2-A2 schematic cross-sections of the aerator in Fig. 4;
Fig. 7 is the structural schematic diagram of the water inlet ring tube in Fig. 1;
Fig. 8 is the B1-B1 schematic cross-sections of the water inlet ring tube in Fig. 7;
Fig. 9 is the B2-B2 schematic cross-sections of the water inlet ring tube in Fig. 7.
The meaning of reference numeral in figure:1, reacting tank body, 2, supporting leg, 3, water inlet ring tube, 31, inlet opening, 4, hydrogen peroxide Uniform device, 5, ferrous sulfate uniform device, 6, sulfuric acid uniform device, 7, aerator, 71, concentric circles endless tube, 72, solarization air cap, 8, second Water outlet, 9, water outlet baffle plate, the 91, first water outlet, 10, sawtooth weir, 11, evacuation port, 12, cloth hole.
Specific implementation mode
Specific introduce is made to the utility model below in conjunction with the drawings and specific embodiments.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand For limitations of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as instruction or Imply relative importance.
Referring to Fig. 1, the Fenton oxidation of the utility model reacts tower apparatus, including bottom is equipped with the reacting tank body 1 of supporting leg 2, 2 quantity of supporting leg is preferably three, the ingenious stability using gusseted principle, it is ensured that the stability of reaction tower.Reacting tank body 1 The conversion zone of inlet segment and top including lower part, wherein conversion zone is cylindrical structure, and inlet segment is inverted cone structure, And conversion zone is an integral structure with inlet segment.
Connect monocyclic shown in Fig. 7 water inlet ring tube 3 on the side wall of inlet segment, pending sewage is from water inlet annulus The inlet opening 31 of pipe 3 enters inside reacting tank body 1, several to be distributed at inlet opening 31 into the bottom of water ring tube 3, Each pair of inlet opening 31 is alternately distributed in bottom centerline both sides and is radially oliquely downward arranged, as shown in Figure 8 and Figure 9 One of a pair of of inlet opening 31 respectively, with vertical direction structure angle at 45 °, 31 a diameter of 4 ~ 6mm of inlet opening, rationally Cleverly structure setting can ensure uniformly, gently intake, the inside of reacting tank body 1 to be avoided excessive turbulent water occur.
The intersection of inlet segment and conversion zone is provided with aerator 7, as shown in figure 4, the aerator 7 is by 3 concentric circles Endless tube 71 is constituted, and certainly, according to unit type and size, can flexibly increase or reduce the quantity of concentric circles endless tube 71. Solarization air cap 72 is formed on concentric circles endless tube 71, the set-up mode of solarization air cap 72 is similar to inlet opening 31, several to solarization air cap 72 It is evenly distributed in 71 bottom of concentric circles endless tube, each pair of solarization air cap 72 is alternately distributed in bottom centerline both sides and radially Oliquely downward it is arranged, as shown in Figure 5 and Figure 6 is one of a pair of of inlet opening 31 respectively, at 45 ° with vertical direction structure Angle, 72 a diameter of 4 ~ 6mm of solarization air cap, such structure setting can ensure equably air inlet, the effect floated using air, Subsequent reactions are carried out after being sufficiently mixed with sewage again, greatly optimize wastewater treatment efficiency.
As shown in Figure 1, conversion zone is from top to bottom disposed with hydrogen peroxide uniform device 4, ferrous sulfate uniform device 5 and sulfuric acid Uniform device 6 is respectively used to three kinds of uniformly distributed hydrogen peroxide, ferrous sulfate and sulfuric acid medicaments as its name suggests.The structure phase of three uniform devices Together, all it is to constitute " rice " font structure by 4 cloth tubes, specifically as shown in figure 3, being both provided with 5 pairs of clothes on every cloth tube Hole 12 makes medicament be more evenly distributed in retort using diffusion and the vertical foam shallow in aerator 7 of medicament In body 1, medicament can be made to be uniformly mixed with sewage, fully react in the state of not stirring, reduce equipment cost, and improve Medicament utilization rate.In reaction process, the temperature and pH value of controlling reaction solution can make reaction condition reach best, in view of This, installs pH meter and thermometer on 1 inner wall of reacting tank body between sulfuric acid uniform device 6 and concentric circles aeration tube, to reacting item Part is monitored in real time, and reaction condition is adjusted in combination with reaction requirement.
Processed sewage flows out at the top of reaction tower, and water outlet baffle plate 9 is provided with above hydrogen peroxide uniform device 4, is discharged The first water outlet 91 is formed on baffle 9, water outlet baffle plate 9 is in conical structure, as shown in Fig. 2, the first water outlet 91 is close to circle The bottom of cone structure side.A sawtooth weir 10 is also set up above water outlet baffle plate 9,10 end of sawtooth weir is provided with the second water outlet Mouth 8 is conducive to the sewage after reaction and is uniformly and stably discharged, rationally controls out water speed in this way.
In order to extend the service life of system, reacting tank body 1 is made of carbon steel liner tetrafluoro material, water inlet ring tube 3, double Oxygen water uniform device 4, ferrous sulfate uniform device 5, sulfuric acid uniform device 6 and aerator 7 are made of PP materials, and it is better to assign device The corrosion resistant performance of strong alkali-acid resistance, anti-aging and good physical properties.
As further improvement of this embodiment, reaction tower is overhauled for convenience, is additionally provided on the bottom wall of inlet segment Evacuation port 11 is provided with cock body at evacuation port 11, and cock body can be pulled out when running the when of breaking down, will 1 inside emptying of reacting tank body, Maintenance easy to repair.
To sum up, the reaction tower apparatus design science of the utility model, cloth water cloth medicine is uniform, ingenious former using air floating Reason, does not need additionaling power and is stirred, and saves operation power charge, reduces equipment cost, reduces hydrogen peroxide because vigorous agitation is made At decomposition, reduce dioxygen water consumption, and due to utilizing air aeration, the oxygen in air is full of in sewage, to double Oxygen water, which resolves into oxygen, has certain inhibiting effect, further reduces the decomposition of hydrogen peroxide, substantially increases dioxygen aquatic products Raw hydroxyl radical free radical(OH conversion) improves dioxygen water use efficiency, to reduce the usage amount of ferrous sulfate, reduces The generation of iron cement optimizes Fenton oxidation water treatment efficiency.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation The technical solution obtained, all falls in the scope of protection of the utility model.

Claims (9)

1. a kind of Fenton oxidation reacts tower apparatus, which is characterized in that be equipped with the reacting tank body of supporting leg, the retort including bottom Body includes the inlet segment of lower part and the conversion zone on top, and the intersection of the inlet segment and conversion zone is provided with aerator, described Aerator is made of several concentric circles endless tubes, and solarization air cap is formed on the concentric circles endless tube;On the side wall of the inlet segment It is provided with evacuation port on connection water inlet ring tube, bottom wall, cock body is provided at the evacuation port, is formed on the water inlet ring tube There is inlet opening;The conversion zone is from top to bottom disposed with hydrogen peroxide uniform device, ferrous sulfate uniform device and sulfuric acid uniform device, It is provided with water outlet baffle plate above the hydrogen peroxide uniform device, the first water outlet, the water outlet gear are formed in the water outlet baffle plate One sawtooth weir is set above plate, and sawtooth weir end is provided with the second water outlet.
2. a kind of Fenton oxidation according to claim 1 reacts tower apparatus, which is characterized in that the number of legs is three It is a.
3. a kind of Fenton oxidation according to claim 1 reacts tower apparatus, which is characterized in that the conversion zone is cylinder Structure, the inlet segment are inverted cone structure, and the conversion zone is an integral structure with inlet segment.
4. a kind of Fenton oxidation according to claim 1 reacts tower apparatus, which is characterized in that the aerator is same by 3 Heart ring tube is constituted, and the donut bottom of the tube has been evenly distributed several to solarization air cap, and each pair of solarization air cap alternately divides It is distributed in bottom centerline both sides and is radially oliquely downward arranged, with vertical direction structure angle at 45 °, the solarization air cap is a diameter of 4~6mm。
5. a kind of Fenton oxidation according to claim 1 reacts tower apparatus, which is characterized in that the water inlet ring tube is single Ring, the water inlet annulus bottom of the tube have been equally distributed several to inlet opening, and each pair of inlet opening is alternately distributed in bottom Center line both sides and radially oliquely downward it is arranged, with vertical direction structure angle at 45 °, a diameter of 4 ~ 6mm in inlet opening.
6. a kind of Fenton oxidation according to claim 1 reacts tower apparatus, which is characterized in that the hydrogen peroxide uniform device, Ferrous sulfate uniform device is identical with the structure of sulfuric acid uniform device, and " rice " font structure, every cloth tube are constituted by 4 cloth tubes On be both provided with 5 pairs of cloth holes.
7. a kind of Fenton oxidation according to claim 1 reacts tower apparatus, which is characterized in that the sulfuric acid uniform device with it is same It is provided with pH meter and thermometer between heart circle aeration tube.
8. a kind of Fenton oxidation according to claim 1 reacts tower apparatus, which is characterized in that the water outlet baffle plate is in circular cone Body structure, bottom of first water outlet close to conical structure side.
9. reacting tower apparatus according to a kind of Fenton oxidation of claim 1-8 any one of them, which is characterized in that the retort Body is made of carbon steel liner tetrafluoro material, and the water inlet ring tube, hydrogen peroxide uniform device, ferrous sulfate uniform device, sulfuric acid are uniformly distributed Device and aerator are made of PP materials.
CN201721667756.7U 2017-12-05 2017-12-05 A kind of Fenton oxidation reaction tower apparatus Active CN207659165U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721667756.7U CN207659165U (en) 2017-12-05 2017-12-05 A kind of Fenton oxidation reaction tower apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721667756.7U CN207659165U (en) 2017-12-05 2017-12-05 A kind of Fenton oxidation reaction tower apparatus

Publications (1)

Publication Number Publication Date
CN207659165U true CN207659165U (en) 2018-07-27

Family

ID=62939543

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721667756.7U Active CN207659165U (en) 2017-12-05 2017-12-05 A kind of Fenton oxidation reaction tower apparatus

Country Status (1)

Country Link
CN (1) CN207659165U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109502776A (en) * 2018-11-29 2019-03-22 林贤君 A kind of aeration case for Industrial Wastewater Treatment
CN110818184A (en) * 2019-11-15 2020-02-21 聊城市鲁西化工工程设计有限责任公司 Biochemical treatment process for sewage of hydrogen peroxide production device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109502776A (en) * 2018-11-29 2019-03-22 林贤君 A kind of aeration case for Industrial Wastewater Treatment
CN110818184A (en) * 2019-11-15 2020-02-21 聊城市鲁西化工工程设计有限责任公司 Biochemical treatment process for sewage of hydrogen peroxide production device
CN110818184B (en) * 2019-11-15 2023-04-07 聊城市鲁西化工工程设计有限责任公司 Biochemical treatment process for sewage of hydrogen peroxide production device

Similar Documents

Publication Publication Date Title
CN201473358U (en) Vortex photocatalysis sewage pretreatment device
CN104925917A (en) Merged propeller blade type electro-catalytic reactor for high-viscosity wastewater treatment
CN202337711U (en) Systemic circulation pressure-equalizing water distribution and sludge discharge device for anaerobic reactor
CN207659165U (en) A kind of Fenton oxidation reaction tower apparatus
CN108069491A (en) For the electrocatalytic oxidation method and reaction unit of used water difficult to degradate
CN107540170B (en) Printing and dyeing wastewater treatment method
CN113105038A (en) Equipment for removing microalgae by coupling hydrodynamic cavitation with micro-nano aeration and enhancing photocatalysis
CN201056518Y (en) Three-phase separator of upflow type anaerobic reactor
CN106830457A (en) Electrode couples ozone oxidation integral reactor
CN106082559A (en) A kind of integrated waste-water treater of efficient energy-saving
CN204097184U (en) Integration is without gradient active sewage sludge treatment device
CN207596687U (en) A kind of large-sized steel sludge digestion tank
CN216549758U (en) Novel Fenton reactor
CN205892863U (en) A anaerobic reactor for high concentration organic wastewater
CN205084746U (en) Polyferric sulfate reaction unit
CN105036323B (en) Light electrolysis catalytic intensification reactor for hydrolysis and acidification
CN201056519Y (en) Three-phase separator of upflow type anaerobic reactor
CN204981302U (en) Industrial waste water ozone catalytic oxidation processing apparatus
CN207391096U (en) It is thoroughly mixed type oxidation trench micro-pore aeration biochemical reactor
CN210237220U (en) Device for treating wastewater by catalytic oxidation of ozone
CN203440190U (en) Multivariant microelectrolysis combined binary catalytic oxidation device
CN201694926U (en) Quaternary-phase multistage oxidation reactor
CN206858249U (en) Electrode couples ozone oxidation all-in-one fluidization bed reactor
CN206204101U (en) A kind of integrated waste-water treater of efficient energy-saving
CN110372090A (en) A kind of biological fluidized-bed reactor and wastewater treatment equipment

Legal Events

Date Code Title Description
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 211132 No. 16, ancient spring road, Tangshan street, Jiangning District, Nanjing, Jiangsu

Patentee after: JIANGSU NANZI ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY Co.,Ltd.

Address before: 211132 No. 16, ancient spring road, Tangshan street, Jiangning District, Nanjing, Jiangsu

Patentee before: JIANGSU NANZI ENVIRONMENTAL PROTECTION CO.,LTD.

CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: No. 16 Guquan Road, Tangshan Street, Jiangning District, Nanjing City, Jiangsu Province, 211100

Patentee after: Zhongzhi (Jiangsu) Environmental Construction Co.,Ltd.

Address before: 211132 No. 16, ancient spring road, Tangshan street, Jiangning District, Nanjing, Jiangsu

Patentee before: JIANGSU NANZI ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY Co.,Ltd.