CN208743354U - A kind of elution prosthetic device of repairing heavy metal pollution agricultural land soil - Google Patents

A kind of elution prosthetic device of repairing heavy metal pollution agricultural land soil Download PDF

Info

Publication number
CN208743354U
CN208743354U CN201820898910.XU CN201820898910U CN208743354U CN 208743354 U CN208743354 U CN 208743354U CN 201820898910 U CN201820898910 U CN 201820898910U CN 208743354 U CN208743354 U CN 208743354U
Authority
CN
China
Prior art keywords
motor
soil
heavy metal
connecting tube
agricultural land
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
CN201820898910.XU
Other languages
Chinese (zh)
Inventor
苟德国
吴克华
陈会
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 Keyida Environmental Protection Technology Co ltd
Original Assignee
JIANGSU KEYIDA ENVIRONMENTAL PROTECTION 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 KEYIDA ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd filed Critical JIANGSU KEYIDA ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
Priority to CN201820898910.XU priority Critical patent/CN208743354U/en
Application granted granted Critical
Publication of CN208743354U publication Critical patent/CN208743354U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Processing Of Solid Wastes (AREA)

Abstract

The utility model discloses a kind of elution prosthetic devices of repairing heavy metal pollution agricultural land soil, including spray chamber, screen room and compression box, the middle part for screening ceiling end is equipped with top cover, the avris of screening room bottom end is fixedly connected by several springs with the avris of mesh screen bottom end, the middle part of mesh screen bottom end is equipped with web plate, the two sides of mesh screen are equipped with vibration motor, a kind of elution prosthetic device of repairing heavy metal pollution agricultural land soil of the utility model, Soil leaching agent ingredient provided by the utility model is simple, green non-pollution, there is preferable removal effect to the heavy metal in contaminated soil, the secondary pollution to soil will not be led to the problem of, it is of great significance to the improvement reparation of contaminated soil;The eluent of the utility model is applied to practical heavy-metal contaminated soil reparation, significant effect is obtained, surfactant has synergistic solubilization to organic acid elution, increases the removal rate of heavy metal, soil property and soil texture are destroyed relatively small and environmentally friendly.

Description

A kind of elution prosthetic device of repairing heavy metal pollution agricultural land soil
Technical field
The utility model relates to soil restoring device, in particular to a kind of elution of repairing heavy metal pollution agricultural land soil is repaired Apparatus for coating belongs to environmental protection technical field.
Background technique
With the continuous development of industrial or agricultural and the quickening of urbanization process, soil contamination problem shows increasingly, especially native Earth heavy metal pollution problem." the national Soil Pollution Investigation bulletin " of publication in 2014, China's soil environment situation are overall It allows of no optimist, than more serious, especially arable soil environmental quality causes anxiety for some areas soil pollution, and arable land point exceeding standard rate is most Height is 19.4%, and wherein exceeded digit of inorganic pollution accounts for the 82.8% of all exceeded points, and intermediate pollution point accounts for 1.8%, inorganic pollution is mainly heavy metal contaminants.These intermediate pollution points are concentrated mainly on the periphery of industrial and mining enterprises, Pollutant is brought into soil environment by atmospheric falling dust, sewage irrigation, solid waste stacking etc., influences soil ecology function, directly The yield and quality for influencing crops is connect, and jeopardizes food safety and human health.
Traditional device processing becomes apparent soil available nutrient loss, and soluble organic matter (DOM) can also be washed Out.In addition, the Soil bioremediation after elution can also vary widely, most of soils enzymatic activity drops after discovery elution Low, soil total DNA content can also be reduced after elution, and the structure of community of bacterium and fungi changes, and soil microbial activities reduce;Together When the slow effect of conventional apparatus processing speed it is bad.
Utility model content
The purpose of this utility model is to provide a kind of elution prosthetic devices of repairing heavy metal pollution agricultural land soil, with solution The problem of using effect difference certainly mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions: a kind of repairing heavy metal pollution agricultural land soil Elution prosthetic device, including spray chamber, screening room and compression box, the middle part at the screening ceiling end be equipped with top cover, the sieve The avris of room bottom end is selected to be fixedly connected by several springs with the avris of mesh screen bottom end, the middle part of the mesh screen bottom end is equipped with net Plate, the two sides of the mesh screen are equipped with vibration motor, and the bottom of the screening room passes through to be communicated at the top of connecting hole and mixing tank, The inside of the mixing tank is set there are three stirring wheel, and the side of the mixing tank is equipped with filler, the bottom of the mixing tank with The side on transmission case top communicates, and the inside of the transmission case is equipped with first rotating shaft, and the outside of the first rotating shaft is equipped with spiral Drive blade, the side of the transmission case are equipped with first motor, and the output end of the first motor and one end of first rotating shaft are solid Fixed connection, the side of the transmission case bottom end are communicated by the first connecting tube with the input terminal of linear vibrating screen, the straight line vibration The output end of dynamic sieve, which leads at the top of the second connecting tube and spray chamber, to be communicated, and the middle part of the second connecting tube is equipped with the first solenoid valve, The side of the spray chamber is equipped with spray agent adding mouth, and the side of the spray chamber bottom passes through the 4th connecting tube and agitator tank Top communicates, and the middle part of the 4th connecting tube is equipped with second solenoid valve, is equipped with the second shaft, institute inside the side of the agitator tank The outer wall for stating the second shaft is equipped with helical tooth, and the side of the agitator tank is equipped with the second motor, the output end of second motor It is fixedly connected with one end of the second shaft, the bottom of the agitator tank passes through the top phase of third connecting tube and compression box one end It is logical, and the middle part of third connecting tube is equipped with third solenoid valve, one end of the compression box passes through the second electric telescopic rod and piston It is fixedly connected in the middle part of side, the other end of the compression box connects by the way that the middle part of the first electric telescopic rod and web plate side is fixed It connects, the bottom of the compression box other end is equipped with discharge port.
As a kind of optimal technical scheme of the utility model, the side of the mixing tank is equipped with motor switch, three institutes The side for stating stirring wheel is equipped with third motor, and three third motors pass through motor switch and electrically connect with external power supply It connects.
As a kind of optimal technical scheme of the utility model, the side of the spray chamber is equipped with more-control switch, and described the One motor, the second motor, the first solenoid valve, second solenoid valve, third solenoid valve and two vibration motors pass through more-control switch It is electrically connected with external power supply.
As a kind of optimal technical scheme of the utility model, the inside of the spray chamber is equipped with stirring wheel shaft and several sprays Head, several spray heads pass through hose and communicate with the one end for spraying agent adding mouth, the output end of the stirring wheel shaft and external motor It is fixedly connected.
As a kind of optimal technical scheme of the utility model, the linear vibrating screen is KLD- type linear vibrating screen.
As a kind of optimal technical scheme of the utility model, the bottom of the compression box is equipped with drainpipe.
Compared with prior art, the utility model has the beneficial effects that a kind of repairing heavy metal pollution agriculture of the utility model The elution prosthetic device of field soil, Soil leaching agent ingredient provided by the invention is simple, green non-pollution, in contaminated soil Heavy metal has preferable removal effect, will not lead to the problem of the secondary pollution to soil, has to the improvement reparation of contaminated soil It is significant;Eluent of the invention is applied to practical heavy-metal contaminated soil reparation, obtains significant effect, surface-active Agent has synergistic solubilization to organic acid elution, increases the removal rate of heavy metal, destroys to soil property and soil texture It is relatively small and environmentally friendly;Soil is passed through multiprogramming respectively and handled by the present apparatus, makes every procedure processing More sufficiently, speed up processing, while keeping the treatment effect of the device more preferable.
Detailed description of the invention
Fig. 1 is the utility model positive structure schematic;
Fig. 2 is the structural schematic diagram that the utility model screens room;
Fig. 3 is the structural schematic diagram of the utility model compression box.
In figure: 1, spray chamber;2, transmission case;3, worm drive blade;4, first motor;5, filler;6, top cover;7, it sieves Select room;8, mixing tank;9, first rotating shaft;10, the first connecting tube;11, linear vibrating screen;12, the first solenoid valve;13, second connects Adapter tube;14, stirring wheel;15, connecting hole;16, spring;17, mesh screen;18, web plate;19, vibration motor;20, agent adding mouth is sprayed; 21, second solenoid valve;22, the second shaft;23, agitator tank;24, the first electric telescopic rod;25, compression box;26, discharge port;27, Push plate;28, third connecting tube;29, piston;30, the second electric telescopic rod;31, third solenoid valve;32, helical tooth;33, second Motor;34, the 4th connecting tube.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of elution prosthetic device of repairing heavy metal pollution agricultural land soil, Including spray chamber 1, screening room 7 and compression box 25, the middle part on screening 7 top of room is equipped with top cover 6, and the avris of screening 7 bottom end of room is logical Several springs 16 to be crossed to be fixedly connected with the avris of 17 bottom end of mesh screen, the middle part of 17 bottom end of mesh screen is equipped with web plate 18, and the two of mesh screen 17 Side is equipped with vibration motor 19, and the bottom of screening room 7 is communicated by connecting hole 15 with the top of mixing tank 8, the inside of mixing tank 8 If the side of mixing tank 8 is equipped with filler 5, the side phase of the bottom and 2 top of transmission case of mixing tank 8 there are three stirring wheel 14 Logical, the inside of transmission case 2 is equipped with first rotating shaft 9, and the outside of first rotating shaft 9 is equipped with worm drive blade 3, the side of transmission case 2 Equipped with first motor 4, the output end of first motor 4 is fixedly connected with one end of first rotating shaft 9, and the side of 2 bottom end of transmission case is logical The first connecting tube 10 is crossed to communicate with the input terminal of linear vibrating screen 11, logical second connecting tube 13 of the output end of linear vibrating screen 11 with The top of spray chamber 1 communicates, and the middle part of the second connecting tube 13 is equipped with the first solenoid valve 12, and the side of spray chamber 1 is equipped with spray The side of agent adding mouth 20,1 bottom of spray chamber is communicated by the 4th connecting tube 34 with the top of agitator tank 23, and the 4th connecting tube 34 middle part is equipped with second solenoid valve 21, is equipped with the second shaft 22 inside the side of agitator tank 23, the outer wall of the second shaft 22 is set There is helical tooth 32, the side of agitator tank 23 is equipped with the second motor 33, one end of the output end of the second motor 33 and the second shaft 22 It is fixedly connected, the bottom of agitator tank 23 at the top of third connecting tube 28 and 25 one end of compression box by communicating, and third connecting tube 28 middle part is equipped with third solenoid valve 31, the middle part that one end of compression box 25 passes through the second electric telescopic rod 30 and 29 side of piston It is fixedly connected, the other end of compression box 25 is compressed by being fixedly connected in the middle part of the first electric telescopic rod 24 and 27 side of web plate The bottom of 25 other end of case is equipped with discharge port 26.
Preferably, the side of mixing tank 8 is equipped with motor switch, and the side of three stirring wheels 14 is equipped with third motor, and three A third motor passes through motor switch and external power supply is electrically connected, and drives stirring wheel 14 to mixed by third motor Soil inside batch can 8 is stirred.
Preferably, the side of spray chamber 1 is equipped with more-control switch, first motor 4, the second motor 33, the first solenoid valve 12, the Two solenoid valves 21, third solenoid valve 31 and two vibration motors 19 are electrically connected by more-control switch and external power supply, are passed through More-control switch controls first motor 4, the second motor 33, the first solenoid valve 12, second solenoid valve 21, third solenoid valve 31 respectively With the power on/off of two vibration motors 19.
Preferably, the inside of spray chamber 1 is equipped with stirring wheel shaft and several spray heads, and several spray heads pass through hose and spray agent One end of adding mouth 20 communicates, and the stirring wheel shaft is fixedly connected with the output end of external motor, to the soil inside spray chamber 1 Spray process is carried out, the heavy metal inside soil is removed.
Preferably, linear vibrating screen 11 is KLD- type linear vibrating screen, the model of linear vibrating screen inside device.
Preferably, the bottom of compression box 25 is equipped with drainpipe, by the water discharge device of 25 Inner extrusion of compression box.
When specifically used, a kind of elution prosthetic device of repairing heavy metal pollution agricultural land soil of the utility model will a huge sum of money Belong to contaminated soil and is added to the inside of screening room 7 by tentatively sieving simultaneously under the action of mesh screen 17 and vibration motor 19 from top cover 6 It removes granularity and is greater than 5 millimeters of soil particle, enter mixing tank 8 by connecting hole 15 after processing, while by filler 5 to mixed It supplies water in batch can 8, the inside that soil enters transmission case 2 after the stirring of mixing tank 8 enters straight by the transmission of worm drive blade 3 Linearly coupled sieve 11 carries out wet sieving processing, and constantly water spray carries out auxiliary screening wet type straight line to linear vibrating screen in screening process Vibrating screen sieve pore is 70-130 mesh, and the inside that mud is directly entered spray chamber 1 on the sieve of wet sieving processing passes through spray agent addition 20 pairs of mouth internal soil carry out spray process, and the present invention provides the " mild " multiple of a heavy metal species intermediate pollution agricultural land soil reparation Close eluent comprising the component of following mass fraction: 80~88 parts of water, citric acid and 12~20 parts of saponin;The soil leaching Further include hydrogen peroxide in lotion, is added in right amount to adjust the pH value of Soil leaching agent between 5~7, soil and eluent are molten The volume ratio of liquid is 1: 20, and the reaction time of elution is 12 hours, and preferably elution number of processing is 2 times, finally by stirring Case 23 enters in compression box 25, and second electric telescopic rod 30 pushes 29 impacting soil of piston in compression box 25, removes in soil Portion's moisture, the first electric telescopic rod 24 are shunk, and the soil after making processing is discharged from discharge port 26.
In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot It is construed as a limitation of the present invention.
In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result, Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral; It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of elution prosthetic device of repairing heavy metal pollution agricultural land soil, including spray chamber (1), screening room (7) and compression Case (25), which is characterized in that the middle part on described screening room (7) top is equipped with top cover (6), the avris of described screening room (7) bottom end It is fixedly connected by several springs (16) with the avris of mesh screen (17) bottom end, the middle part of mesh screen (17) bottom end is equipped with web plate (18), the two sides of the mesh screen (17) are equipped with vibration motor (19), it is described screening room (7) bottom by connecting hole (15) with Mixing tank communicates at the top of (8), and the inside of the mixing tank (8) is set there are three stirring wheel (14), the side of the mixing tank (8) Equipped with filler (5), the bottom of the mixing tank (8) is communicated with the side on transmission case (2) top, the transmission case (2) it is interior Portion is equipped with first rotating shaft (9), and the outside of the first rotating shaft (9) is equipped with worm drive blade (3), and the one of the transmission case (2) Side is equipped with first motor (4), and the output end of the first motor (4) is fixedly connected with one end of first rotating shaft (9), the transmission The side of case (2) bottom end is communicated by the first connecting tube (10) with the input terminal of linear vibrating screen (11), the linear vibrating screen (11) output end, which leads at the top of the second connecting tube (13) and spray chamber (1), to be communicated, and the middle part of the second connecting tube (13) is equipped with First solenoid valve (12), the side of the spray chamber (1), which is equipped with, sprays agent adding mouth (20), and the one of spray chamber (1) bottom Side at the top of the 4th connecting tube (34) and agitator tank (23) by communicating, and the middle part of the 4th connecting tube (34) is equipped with the second electromagnetism The side inside of valve (21), the agitator tank (23) is equipped with the second shaft (22), and the outer wall of second shaft (22) is equipped with spiral shell It revolves tooth (32), the side of the agitator tank (23) is equipped with the second motor (33), the output end and second of second motor (33) One end of shaft (22) is fixedly connected, and the bottom of the agitator tank (23) passes through third connecting tube (28) and compression box (25) one end Top communicate, and the middle part of third connecting tube (28) be equipped with third solenoid valve (31), one end of the compression box (25) passes through It is fixedly connected in the middle part of second electric telescopic rod (30) and piston (29) side, the other end of the compression box (25) passes through first It is fixedly connected in the middle part of electric telescopic rod (24) and push plate (27) side, the bottom of compression box (25) other end is equipped with discharging Mouth (26).
2. a kind of elution prosthetic device of repairing heavy metal pollution agricultural land soil according to claim 1, it is characterised in that: The side of the mixing tank (8) is equipped with motor switch, and the side of three stirring wheels (14) is equipped with third motor, three institutes It states third motor and passes through motor switch and external power supply electric connection.
3. a kind of elution prosthetic device of repairing heavy metal pollution agricultural land soil according to claim 1, it is characterised in that: The side of the spray chamber (1) be equipped with more-control switch, the first motor (4), the second motor (33), the first solenoid valve (12), Second solenoid valve (21), third solenoid valve (31) and two vibration motors (19) are electrically connected by more-control switch and external power supply It connects.
4. a kind of elution prosthetic device of repairing heavy metal pollution agricultural land soil according to claim 1, it is characterised in that: The inside of the spray chamber (1) is equipped with stirring wheel shaft and several spray heads, and several spray heads pass through hose and spray agent adding mouth (20) one end communicates, and the stirring wheel shaft is fixedly connected with the output end of external motor.
5. a kind of elution prosthetic device of repairing heavy metal pollution agricultural land soil according to claim 1, it is characterised in that: The linear vibrating screen (11) is KLD- type linear vibrating screen.
CN201820898910.XU 2018-06-11 2018-06-11 A kind of elution prosthetic device of repairing heavy metal pollution agricultural land soil Active CN208743354U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820898910.XU CN208743354U (en) 2018-06-11 2018-06-11 A kind of elution prosthetic device of repairing heavy metal pollution agricultural land soil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820898910.XU CN208743354U (en) 2018-06-11 2018-06-11 A kind of elution prosthetic device of repairing heavy metal pollution agricultural land soil

Publications (1)

Publication Number Publication Date
CN208743354U true CN208743354U (en) 2019-04-16

Family

ID=66053918

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820898910.XU Active CN208743354U (en) 2018-06-11 2018-06-11 A kind of elution prosthetic device of repairing heavy metal pollution agricultural land soil

Country Status (1)

Country Link
CN (1) CN208743354U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110133213A (en) * 2019-05-09 2019-08-16 盐城紫燕农业科技有限公司 A kind of soil fertility detection prosthetic device
CN110238188A (en) * 2019-06-26 2019-09-17 吴惠林 It is a kind of for farmland pollution soil remediation administer circulated sprinkling wash system
CN111069257A (en) * 2019-12-31 2020-04-28 江苏环保产业技术研究院股份公司 Heavy metal contaminated soil prosthetic devices
CN114939525A (en) * 2022-01-20 2022-08-26 宁夏农林科学院农业资源与环境研究所(宁夏土壤与植物营养重点实验室) Gravity type soil screening plant for soil remediation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110133213A (en) * 2019-05-09 2019-08-16 盐城紫燕农业科技有限公司 A kind of soil fertility detection prosthetic device
CN110238188A (en) * 2019-06-26 2019-09-17 吴惠林 It is a kind of for farmland pollution soil remediation administer circulated sprinkling wash system
CN111069257A (en) * 2019-12-31 2020-04-28 江苏环保产业技术研究院股份公司 Heavy metal contaminated soil prosthetic devices
CN114939525A (en) * 2022-01-20 2022-08-26 宁夏农林科学院农业资源与环境研究所(宁夏土壤与植物营养重点实验室) Gravity type soil screening plant for soil remediation
CN114939525B (en) * 2022-01-20 2023-06-02 宁夏农林科学院农业资源与环境研究所(宁夏土壤与植物营养重点实验室) Gravity type soil screening device for soil remediation

Similar Documents

Publication Publication Date Title
CN208743354U (en) A kind of elution prosthetic device of repairing heavy metal pollution agricultural land soil
CN206701933U (en) A kind of contaminated soil medicament mixing prosthetic device
CN107398471A (en) A kind of municipal afforestation soil environmental protection prosthetic device
CN207188442U (en) A kind of municipal afforestation soil environmental protection prosthetic device
CN108480386A (en) A kind of farmland pollution controlling device of processing earth's surface pollution
CN109370596A (en) A kind of in-situ passivation the reparation medicament, preparation method and application of cadmium arsenic combined pollution agricultural land soil
CN104759461A (en) Vehicle mobile soil washing and repairing device
CN110280577A (en) A kind of prosthetic device and its application method of heavy metal cupro-nickel composite pollution soil
CN112266109A (en) Novel sewage treatment device
CN106513146B (en) A kind of soil conditioning repairs the production method of nutritional agents
CN209531700U (en) A kind of soil ecology reparation case
CN208912794U (en) A kind of soil remediation spray equipment
CN212168516U (en) Novel soil treatment system
CN110026422A (en) A kind of soil remediation improved device and modification method
CN219210106U (en) Multifunctional crushing and conveying device
CN208800542U (en) A kind of moveable-type soil pollution prosthetic device on the spot
CN107321784A (en) A kind of soil restoring device
CN208662123U (en) A kind of ecology agricultural soil remediation processing unit
CN208680163U (en) A kind of prosthetic device for heavy metal soil
CN110201781A (en) A kind of intelligent plant waste material grinding device
CN207839588U (en) A kind of industrial pollution soil heterotopic prosthetic device
CN207271802U (en) A kind of soil remediation bucket
CN108551831A (en) A kind of dual-purpose type work package of intelligence horticultural tractor
CN208787196U (en) A kind of multiple prosthetic device of heavy metal pollution agricultural land soil
CN108541678A (en) A kind of liquid medicine sprinkling wagon with environmental-protecting performance

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: Room 808, building A-9, big data Industrial Park, Xindu street, Chengnan New District, Yancheng City, Jiangsu Province 224000

Patentee after: Jiangsu Keyida Environmental Protection Technology Co.,Ltd.

Address before: Room 701, Building 4, No. 5, South Hope Avenue, Yancheng Economic and Technological Development Zone, Yancheng City, Jiangsu Province 224000

Patentee before: JIANGSU KEYIDA ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd.

CP03 Change of name, title or address