CN109095124B - Sludge centralized collecting and conveying device - Google Patents

Sludge centralized collecting and conveying device Download PDF

Info

Publication number
CN109095124B
CN109095124B CN201810679727.5A CN201810679727A CN109095124B CN 109095124 B CN109095124 B CN 109095124B CN 201810679727 A CN201810679727 A CN 201810679727A CN 109095124 B CN109095124 B CN 109095124B
Authority
CN
China
Prior art keywords
plate
sealing
groove
matched
notch
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
CN201810679727.5A
Other languages
Chinese (zh)
Other versions
CN109095124A (en
Inventor
孙杰
郭栋
张敦兰
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.)
Shuifa Hezhong Qingyuan (Beijing) Environmental Technology Co.,Ltd.
Original Assignee
Beijing Hezhong Qingyuan 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 Beijing Hezhong Qingyuan Environmental Technology Co ltd filed Critical Beijing Hezhong Qingyuan Environmental Technology Co ltd
Priority to CN201810679727.5A priority Critical patent/CN109095124B/en
Publication of CN109095124A publication Critical patent/CN109095124A/en
Application granted granted Critical
Publication of CN109095124B publication Critical patent/CN109095124B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G45/00Lubricating, cleaning, or clearing devices
    • B65G45/10Cleaning devices
    • B65G45/12Cleaning devices comprising scrapers

Abstract

The invention discloses a sludge centralized collecting and conveying device, and relates to the field of environmental protection. The invention comprises a plurality of groove plates which are mutually matched and connected, and a first sealing element and a second sealing element which are respectively in sealing fit connection with two ends of the groove plates; the groove plate is an arc plate; two sides of the groove plate are respectively provided with a connecting plate; a first sealing plate is arranged on the end face of one end of the groove plate, and a first sealing clamping plate is arranged on the end face of the first sealing plate; a first sealing groove matched with the first sealing plate and a first sealing clamping groove matched with the first sealing clamping plate are arranged on the end face of the other end of the groove plate; two first through holes are symmetrically arranged at two ends of the upper surface of the connecting plate, two first notches are arranged at two ends of one side surface of the connecting plate, and the first through holes are communicated with the first notches. The invention intensively recovers the generated sludge through the trough plate and cleans the sludge through the cleaning plate, thereby solving the problem that the pipeline is easy to block when the sludge is conveyed by the pipeline.

Description

Sludge centralized collecting and conveying device
Technical Field
The invention belongs to the field of environmental protection, and particularly relates to a sludge centralized collecting and conveying device.
Background
With the development of society, ecological construction becomes more and more important. China has wide range of members and numerous rivers, the siltation phenomenon of medium and small riverways in China is common, and the original flood regulating and storing water and disaster preventing and reducing capacity of the riverways are weakened. In recent years, the governance of medium and small river channels and rural river channels is strengthened by the nation, wherein the dredging project is widely implemented as a main measure, a large amount of sludge is often generated in the dredging process, the sludge often contains a large amount of impurities and the like, the impurities and the sludge are gathered together to easily cause pipeline blockage, and the problem to be solved by the invention is how to intensively transport the generated sludge and simultaneously avoid the sludge from being blocked in a conveying pipeline.
Disclosure of Invention
The invention aims to provide a sludge centralized collecting and conveying device, which is used for intensively recovering generated sludge and cleaning the sludge through a cleaning plate, so that the problem that the pipeline is blocked when the sludge is conveyed by the pipeline is solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a sludge centralized collection and conveying device which comprises a plurality of groove plates which are mutually matched and connected, and a first sealing element and a second sealing element which are respectively in sealing fit connection with two ends of the groove plates;
the groove plate is an arc plate; two sides of the groove plate are respectively provided with a connecting plate; a first sealing plate is arranged on the end face of one end of the groove plate, and a first sealing clamping plate is arranged on the end face of the first sealing plate; a first sealing groove matched with the first sealing plate and a first sealing clamping groove matched with the first sealing clamping plate are arranged on the end face of the other end of the groove plate;
two ends of the upper surface of the connecting plate are symmetrically provided with two first through holes, two ends of one side surface of the connecting plate are provided with a first notch, and the first through holes are communicated with the first notches;
the first sealing element comprises a first substrate, and a sealing groove plate matched with the groove plate is arranged on one surface of the first substrate; the sealing groove plate is provided with a second sealing groove matched with the first sealing plate and a second sealing clamping groove matched with the first sealing clamping plate; a first limiting connecting plate is fixed on each of two sides of the first substrate, a second notch matched with the first notch is formed in one end, close to the sealing groove plate, of the first limiting connecting plate, a second through hole is formed in the upper surface of the first limiting connecting plate, and the second through hole is communicated with the second notch;
the second sealing element comprises a second substrate, a second sealing plate matched with the first sealing groove is arranged on one surface of the second substrate, and a second sealing clamping plate matched with the first sealing clamping groove is arranged on one end surface of the second sealing plate; two sides of the second substrate are respectively fixed with a second limit connecting plate; a third notch matched with the first notch is formed in one side face of the second limiting connecting plate, a third through hole is formed in the upper surface of the second limiting connecting plate, and the third through hole is communicated with the third notch;
the bottom side surfaces of the first substrate and the first substrate are arc surfaces matched with the groove plate.
Furthermore, the cross sections of the first sealing plate, the first sealing clamping plate, the first sealing groove, the first sealing clamping groove, the second sealing clamping groove, the second sealing plate and the second sealing clamping plate are all arc-shaped structures; simultaneously, through the matching of the sealing clamping groove and the sealing clamping plate, the sealing plate and the sealing groove, the sealing effect of the connection between the groove plate and the groove plate, between the groove plate and the second sealing element and between the groove plate and the first sealing element is improved.
Furthermore, the upper surface of connecting plate still is equipped with a spout, the cooperation form is equipped with a slider on the spout, two the cooperation is equipped with a cleaning board between the slider.
Furthermore, the cross section of the sliding groove is in a convex shape or a dovetail shape.
Furthermore, the slider includes a ship type base that matches with the spout, a surface of ship type base is equipped with a fixed plate, two mounting holes have been seted up along the vertical direction parallel on the fixed plate.
Furthermore, the cleaning plate is an arc-shaped plate, and the bottom side surface of the cleaning plate is an arc-shaped surface matched with the groove plate; two ends of the cleaning plate are respectively provided with two mounting columns matched with the two mounting holes, the cleaning plate is mounted in the trough plate through the matching of the mounting columns and the mounting holes, and the trough plate is prevented from swinging front and back and is convenient to push the trough plate to clean sludge collected in the plurality of trough plates.
The fixing piece comprises a first U-shaped plate which is in clamping fit with the first notch, a fourth through hole which is matched with the first through hole is formed in the groove wall of one side of the first U-shaped plate, and a screw rod is in threaded connection with the fourth through hole; the first U-shaped plate is provided with a second U-shaped plate, and the second U-shaped plate is connected to the collecting frame in a clamping mode.
Furthermore, the fourth through holes correspond to the first through holes, the second through holes and the third through holes one to one respectively.
The invention has the following beneficial effects:
1. the device of the invention can be used for intensively recycling the generated sludge and cleaning the sludge by the cleaning plate, thereby solving the problem that the pipeline is easy to block when the sludge is conveyed by the pipeline.
2. The device has simple structure, is convenient to install and disassemble and convenient to use, only needs to remove the first sealing element or the second sealing element when in use, pushes the cleaning plate along the chute to clean sludge collected in the trough plate out of one end of the trough plate, and is convenient to use.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram showing the results of the sludge collection apparatus of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic view of the construction of the trough plate of the present invention;
FIG. 4 is an enlarged view of a portion B of FIG. 3;
FIG. 5 is a schematic view of a first seal according to the present invention;
FIG. 6 is a schematic view of a second seal according to the present invention;
FIG. 7 is a schematic diagram of a sweeping plate structure according to the present invention;
FIG. 8 is a schematic view of a slider configuration according to the present invention;
fig. 9 is a schematic view of the fixing member of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "top," "end," "side," and the like are used in an orientation or positional relationship merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
Referring to fig. 1, a sludge centralized collecting and conveying device includes a plurality of trough plates 1 which are mutually matched and connected, and a first sealing element and a second sealing element which are respectively in sealing matching connection with two ends of the trough plates 1;
referring to fig. 3-4, the trough plate 1 is an arc-shaped plate; two sides of the groove plate 1 are respectively provided with a connecting plate 11; a first sealing plate 12 is arranged on the end face of one end of the trough plate 1, and a first sealing clamping plate 121 is arranged on the end face of the first sealing plate 12; a first sealing groove 13 matched with the first sealing plate 12 and a first sealing clamping groove 131 matched with the first sealing clamping plate 121 are arranged on the end face of the other end of the groove plate 1;
referring to fig. 3-4, two first through holes 15 are symmetrically formed at two ends of the upper surface of the connecting plate 11, a first notch 14 is formed at two ends of one side surface of the connecting plate 11, and the first through holes 15 are communicated with the first notch 14;
referring to fig. 5, the first sealing member includes a first substrate 2, and a sealing groove plate 21 is disposed on a surface of the first substrate 2 and is matched with the groove plate 1; the sealing groove plate 21 is provided with a second sealing groove 22 matched with the first sealing plate 12 and a second sealing clamping groove 23 matched with the first sealing clamping plate 121; a first limiting connecting plate 24 is fixed on each of two sides of the first substrate 2, a second notch 25 matched with the first notch 14 is formed in one end, close to the sealing groove plate 21, of the first limiting connecting plate 24, a second through hole 26 is formed in the upper surface of the first limiting connecting plate 24, and the second through hole 26 is communicated with the second notch 25;
referring to fig. 6, the second sealing member includes a second substrate 3, a second sealing plate 31 disposed on a surface of the second substrate 3 and engaged with the first sealing groove 13, and a second sealing plate 32 disposed on an end surface of the second sealing plate 31 and engaged with the first sealing slot 131; two sides of the second substrate 3 are respectively fixed with a second limit connecting plate 33; a third notch 34 matched with the first notch 14 is formed in one side face of the second limiting connecting plate 33, a third through hole 35 is formed in the upper surface of the second limiting connecting plate 33, and the third through hole 35 is communicated with the third notch 34;
the bottom side surfaces of the first base plate 2 and the second base plate 3 are arc surfaces matched with the groove plate 1.
Further, the cross sections of the first sealing plate 12, the first sealing clamping plate 121, the first sealing groove 13, the first sealing clamping groove 131, the second sealing groove 22, the second sealing clamping groove 23, the second sealing plate 31 and the second sealing clamping plate 32 are all arc-shaped structures; simultaneously, through the matching of the sealing clamping groove and the sealing clamping plate, the sealing plate and the sealing groove, the sealing effect of the connection between the groove plate 1 and the groove plate 1, between the groove plate 1 and the second sealing element and between the groove plate 1 and the first sealing element is improved.
Referring to fig. 2, a sliding groove 16 is further disposed on the upper surface of the connecting plate 11, a sliding block is disposed on the sliding groove 16, and a cleaning plate 5 is disposed between the two sliding blocks.
Further, the cross section of the sliding groove 16 is a convex shape or a dovetail shape.
Referring to fig. 8, further, the sliding block includes a boat-shaped base 6 engaged with the sliding slot 16, a fixing plate 61 is disposed on a surface of the boat-shaped base 6, and two mounting holes 62 are disposed on the fixing plate 61 in parallel along a vertical direction.
Referring to fig. 7, further, the sweeping plate 5 is an arc-shaped plate, and the bottom side surface of the sweeping plate 5 is an arc-shaped surface matched with the slot plate 1; two ends of the cleaning plate 5 are respectively provided with two mounting columns 51 matched with the two mounting holes 62, the cleaning plate 5 is mounted in the groove plates 1 through the matching of the mounting columns 51 and the mounting holes 62, and the groove plates 1 are prevented from swinging front and back and are convenient to push the groove plates to clean sludge collected in the groove plates 1.
Referring to fig. 9, further, the fixing member 4 is further included, the fixing member 4 includes a first U-shaped plate 41 engaged with the first notch 14, a fourth through hole 43 engaged with the first through hole 15 is disposed on a side wall of the first U-shaped plate 41, and a screw 44 is threadedly connected to the fourth through hole 43; the first U-shaped plate 41 is provided with a second U-shaped plate 42, and the second U-shaped plate 42 is clamped on the collecting frame.
Further, the fourth through-holes 43 correspond to the first through-holes 15, the second through-holes 26, and the third through-holes 35, respectively, one to one.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (8)

1. The utility model provides a conveyor is collected in mud is concentrated, includes frid (1) that a plurality of mutually supporting are connected and with frid (1) both ends respectively sealed first sealing member and the second sealing member that the cooperation is connected, its characterized in that:
the groove plate (1) is an arc-shaped plate; two sides of the groove plate (1) are respectively provided with a connecting plate (11); a first sealing plate (12) is arranged on one end face of the groove plate (1), and a first sealing clamping plate (121) is arranged on the end face of the first sealing plate (12); a first sealing groove (13) matched with the first sealing plate (12) and a first sealing clamping groove (131) matched with the first sealing clamping plate (121) are arranged on the end face of the other end of the groove plate (1);
two first through holes (15) are symmetrically formed in two ends of the upper surface of the connecting plate (11), a first notch (14) is formed in each of two ends of one side surface of the connecting plate (11), and the first through holes (15) are communicated with the first notches (14);
the first sealing element comprises a first base plate (2), and a sealing groove plate (21) matched with the groove plate (1) is arranged on one surface of the first base plate (2); a second sealing groove (22) matched with the first sealing plate (12) and a second sealing clamping groove (23) matched with the first sealing clamping plate (121) are arranged on the sealing groove plate (21); two sides of the first base plate (2) are respectively fixed with a first limiting connecting plate (24), one end of the first limiting connecting plate (24) close to the sealing groove plate (21) is provided with a second notch (25) matched with the first notch (14), the upper surface of the first limiting connecting plate (24) is provided with a second through hole (26), and the second through hole (26) is communicated with the second notch (25);
the second sealing element comprises a second substrate (3), a second sealing plate (31) matched with the first sealing groove (13) is arranged on one surface of the second substrate (3), and a second sealing clamping plate (32) matched with the first sealing clamping groove (131) is arranged on one end surface of the second sealing plate (31); two sides of the second substrate (3) are respectively fixed with a second limit connecting plate (33); a third notch (34) matched with the first notch (14) is formed in one side face of the second limiting connecting plate (33), a third through hole (35) is formed in the upper surface of the second limiting connecting plate (33), and the third through hole (35) is communicated with the third notch (34);
the bottom side surfaces of the first substrate (2) and the second substrate (3) are arc surfaces matched with the groove plate (1).
2. The sludge centralized collection and conveying device according to claim 1, wherein the cross sections of the first sealing plate (12), the first sealing clamping plate (121), the first sealing groove (13), the first sealing clamping groove (131), the second sealing groove (22), the second sealing clamping groove (23), the second sealing plate (31) and the second sealing clamping plate (32) are all arc-shaped structures.
3. The sludge centralized collection and conveying device as claimed in claim 1, wherein a chute (16) is further formed on the upper surface of the connecting plate (11), a sliding block is fittingly arranged on the chute (16), and a sweeping plate (5) is fittingly arranged between the two sliding blocks.
4. The sludge centralized collection and conveying device as claimed in claim 3, wherein the cross section of the chute (16) is a convex shape or a dovetail shape.
5. The sludge centralized collection and conveying device as claimed in claim 3, wherein the sliding block comprises a ship-shaped base (6) matched with the sliding chute (16), a fixing plate (61) is arranged on one surface of the ship-shaped base (6), and two mounting holes (62) are formed in the fixing plate (61) in parallel along the vertical direction.
6. The sludge centralized collection and conveying device as claimed in claim 3, wherein the sweeping plate (5) is an arc-shaped plate, and the bottom side surface of the sweeping plate (5) is an arc-shaped surface matched with the trough plate (1); two ends of the cleaning plate (5) are respectively provided with two mounting columns (51) matched with the two mounting holes (62).
7. The sludge centralized collection and conveying device according to claim 1, further comprising a fixing member (4), wherein the fixing member (4) comprises a first U-shaped plate (41) which is in clamping fit with the first notch (14), a fourth through hole (43) which is in fit with the first through hole (15) is formed in a side wall of the first U-shaped plate (41), and a screw (44) is in threaded connection with the fourth through hole (43); and a second U-shaped plate (42) is arranged on the first U-shaped plate (41), and the second U-shaped plate (42) is connected to the acid pouring frame in a clamping manner.
8. The sludge centralized collection and conveying device according to claim 7, wherein the fourth through holes (43) correspond to the first through holes (15), the second through holes (26) and the third through holes (35) one by one.
CN201810679727.5A 2018-06-27 2018-06-27 Sludge centralized collecting and conveying device Active CN109095124B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810679727.5A CN109095124B (en) 2018-06-27 2018-06-27 Sludge centralized collecting and conveying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810679727.5A CN109095124B (en) 2018-06-27 2018-06-27 Sludge centralized collecting and conveying device

Publications (2)

Publication Number Publication Date
CN109095124A CN109095124A (en) 2018-12-28
CN109095124B true CN109095124B (en) 2020-05-22

Family

ID=64845196

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810679727.5A Active CN109095124B (en) 2018-06-27 2018-06-27 Sludge centralized collecting and conveying device

Country Status (1)

Country Link
CN (1) CN109095124B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101053931B1 (en) * 2009-11-30 2011-08-04 (주)금강오토텍 Flexible Driving Device for Goods Transfer
CN201598011U (en) * 2009-12-02 2010-10-06 云南昆船设计研究院 Vibrating conveying groove of vibrating conveyor
CN103848169A (en) * 2014-03-06 2014-06-11 山西煤矿机械制造有限责任公司 Installed and welded chuting device of scraper conveyor
CN105621040B (en) * 2016-02-23 2019-02-12 广东恒诺通用电气有限公司 Electrical cabinet conveying storage line
CN207467526U (en) * 2017-08-31 2018-06-08 郑州大学 A kind of scraper unit
CN207142155U (en) * 2017-09-01 2018-03-27 重庆麦德林药业有限公司 A kind of pharmaceutical raw material delivery chute

Also Published As

Publication number Publication date
CN109095124A (en) 2018-12-28

Similar Documents

Publication Publication Date Title
CN109095124B (en) Sludge centralized collecting and conveying device
CN201372318Y (en) Flexible plate copper foil plating hanger
CN214305863U (en) Hydraulic pipeline for hydraulic engineering
CN212509999U (en) PE connecting pipe elbow piece convenient to change filter screen
CN214918435U (en) Mechanical equipment belt cleaning device convenient to clearance
CN204981350U (en) Detachable constructed wetland filler module
CN209162991U (en) A kind of municipal sewage blow-off line sealing and connecting device
CN113737915A (en) Underground spliced drainage pipeline
CN206927664U (en) A kind of multi-outlet ceramic membrane group
CN209017210U (en) A kind of piping lane moisture-proof anticorrosive waterproof industrial switch
CN208162267U (en) A kind of multistage riffle classification recovery channel and multistage riffle recyclable device
CN209034564U (en) A kind of zero-emission desulfurization wastewater system electric precipitation detachable electrostatic attraction board
CN206956665U (en) A kind of new water channel and irrigation canal
CN214217156U (en) Mining machinery is to joint groove fast
CN220214152U (en) Rainwater separation filter equipment
CN213120665U (en) Vortex shedding flowmeter with waterproof function
CN213790113U (en) Make things convenient for sewage treatment of desilting to use device that stews
CN220003063U (en) Detachable sloping plate and sedimentation device
CN212548556U (en) Energy-saving and environment-friendly treatment equipment for industrial wastewater
CN210198459U (en) Intelligent ultrasonic flowmeter
CN216341996U (en) Slurry screen with additional strengthening
CN218454142U (en) A dewatering device for bed mud
CN209971829U (en) Novel single screen printing plate capable of preventing grid line from being broken
CN217754788U (en) Wave wall built-up plate convenient to transportation is dismantled in installation
CN218297316U (en) Hydraulic engineering seepage flow monitoring devices

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
CB03 Change of inventor or designer information

Inventor after: Sun Jie

Inventor after: Guo Dong

Inventor after: Zhang Dunlan

Inventor before: Zhang Dunlan

CB03 Change of inventor or designer information
TA01 Transfer of patent application right

Effective date of registration: 20200426

Address after: 100044 room 205, 3 building, 19 hospital, sorghum Bridge, Haidian District, Beijing.

Applicant after: BEIJING HEZHONG QINGYUAN ENVIRONMENTAL TECHNOLOGY Co.,Ltd.

Address before: 230000 1103, room 11, Hefei, Anhui, Hefei, China Economic and Technological Development Zone, Lianhua Road, 558

Applicant before: HEFEI CAOMU FANJING ECOLOGICAL TECHNOLOGY Co.,Ltd.

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: 100044 room 407, 4th floor, building 3, yard 19, gaoliangqiaoxie street, Haidian District, Beijing

Patentee after: Shuifa Hezhong Qingyuan (Beijing) Environmental Technology Co.,Ltd.

Address before: 100044 room 205, building 3, yard 19, gaoliangqiaoxie street, Haidian District, Beijing

Patentee before: BEIJING HEZHONG QINGYUAN ENVIRONMENTAL TECHNOLOGY Co.,Ltd.

CP03 Change of name, title or address