CN109534249A - The anti-device for hoisting of sludge-tank fibreglass reinforced plastic cover steel construction multilayer wirerope - Google Patents
The anti-device for hoisting of sludge-tank fibreglass reinforced plastic cover steel construction multilayer wirerope Download PDFInfo
- Publication number
- CN109534249A CN109534249A CN201910060026.8A CN201910060026A CN109534249A CN 109534249 A CN109534249 A CN 109534249A CN 201910060026 A CN201910060026 A CN 201910060026A CN 109534249 A CN109534249 A CN 109534249A
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- Prior art keywords
- steel
- sludge
- wirerope
- tank
- girder steel
- 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
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 174
- 239000010959 steel Substances 0.000 title claims abstract description 174
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 239000011152 fibreglass Substances 0.000 title claims abstract description 18
- 239000002990 reinforced plastic Substances 0.000 title claims abstract description 18
- 230000002787 reinforcement Effects 0.000 claims description 35
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 239000010802 sludge Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000009510 drug design Methods 0.000 abstract description 2
- 238000001035 drying Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F13/00—Common constructional features or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
- B66F19/005—Lifting devices for manhole covers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The present invention provides the anti-device for hoisting of sludge-tank fibreglass reinforced plastic cover steel construction multilayer wirerope, including sludge-tank, steel column, wirerope one, wirerope two, girder steel, steel ring, motion bar, handle, adjusting sleeve pipe, connecting rod, spring and mounting post, steel column is fixed on the outside of sludge-tank, girder steel is connected on the inside of steel column, steel ring is connected on the inside of girder steel, wirerope one is connected on girder steel, girder steel upper surface middle position is connected with wirerope two, mounting post is mounted on sludge-tank middle position, adjusting sleeve pipe is fixed on the upside of mounting post annular side, handle is fixed at the top of adjusting sleeve pipe annular side, handle is internally provided with spring, spring outwards are connected with motion bar, motion bar bottom is fixed with connecting rod, it is not convenient enough that the design solves the problems, such as that original rack is adjusted, the present invention has rational design, support is firm, adjust install convenient.
Description
Technical field
The present invention is the anti-device for hoisting of sludge-tank fibreglass reinforced plastic cover steel construction multilayer wirerope, belongs to sludge disposal technology neck
Domain.
Background technique
Treatment of Sludge is the important component of sewage treatment, and from the sludge of sedimentation basin discharge, its moisture content is very high, usually
95% or more, it is therefore desirable to carry out drying and other treatment to sludge.Sludge drying mainly has filter press filters pressing and the desiccation of sludge drying pond
Two methods.Wherein the method investment of filters pressing is big, and operating cost is high.And the method for sludge drying pond desiccation invests small operating cost
It is low, thus the desiccation of sludge drying pond is mostly used in the place for having sufficient space.
In existing technology, it will use glass cover-plate at the top of existing sludge-tank or the anti-film that hangs covered, to lid
Plate or film need to use support rack when being installed, and the hanging grid structure of discovery large span is big in actual production installation
All material is more, and the construction time is long, at high cost, time-consuming and laborious, is difficult time requirement and the economic requirement of meet demand side, existing simultaneously
The support of some grid structures is not firm enough, it is now desired to which the sludge-tank fibreglass reinforced plastic cover anti-device for hoisting of steel construction multilayer wirerope solves
The certainly above-mentioned problem.
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide sludge-tank fibreglass reinforced plastic cover steel construction multilayer steel wires
It restricts anti-device for hoisting, to solve the problems mentioned in the above background technology.
To achieve the goals above, the present invention is to realize by the following technical solutions: sludge-tank glass steel cover slab
The anti-device for hoisting of structure multilayer wirerope, including sludge-tank, steel column, wirerope one, wirerope two, girder steel, regulating mechanism and steel
Circle, the sludge-tank outside are fixed with steel column, girder steel are connected on the inside of the steel column, is connected with steel ring on the inside of the girder steel, institute
It states and is provided with regulating mechanism on the inside of steel ring, wirerope one, the connection of girder steel upper surface middle position are connected on the girder steel
There is wirerope two, the regulating mechanism includes motion bar, handle, adjusting sleeve pipe, connecting rod, spring and mounting post, the peace
Dress column is mounted on sludge-tank middle position, is fixed with adjusting sleeve pipe, the adjusting set pipe ring on the upside of the mounting post annular side
Shape side top is fixed with handle, and the handle is internally provided with spring, and the spring outwards are connected with motion bar, the activity
Bar bottom is fixed with connecting rod.
Further, it is fixed with link at the top of the steel column, girder steel upper surface middle position and right positions are solid
Surely there is link, one both ends of wirerope, which are respectively and fixedly provided with, spends blue collet, and two both ends of wirerope, which are respectively and fixedly provided with, spends blue collet.
Further, at the top of the link for spending blue collet to be connected among girder steel and steel column at one both ends of wirerope
Link on, the link at the top of the link and steel column of spending blue collet to be connected on the right side of girder steel at two both ends of wirerope
On.
Further, the girder steel left end, which is fixed with, turns ball, and the ball that turns is semiglobe, and the steel column bottom offers
Ball groove, the girder steel are rotatablely connected by turning ball and ball groove and steel column, mounting rod are connected on the left of the girder steel, the girder steel is left
Side is welded on steel column by mounting rod.
Further, the girder steel upper surface is equidistantly fixed with reinforcement one and reinforcement two, the length of the reinforcement one
Degree is less than the length of reinforcement two.
Further, the reinforcement one and two bottom of reinforcement are welded with fixed pin, offer at the top of the girder steel
Fixation hole, the reinforcement one and reinforcement two are mutually fixed by fixed pin and fixation hole with girder steel
Further, the steel ring annular side is fixed with sleeve, and the girder steel diameter matches with sleeve diameter, the girder steel
It is mutually fixed by sleeve with steel ring.
Further, the steel column, sleeve, link, wirerope one, wirerope two, spend blue collet, girder steel, turn ball, ball
Slot, reinforcement one and reinforcement two constitute support component, and support component is provided with six groups, and six groups of support components are equidistantly fixed
Above sludge-tank.
Further, the connecting rod bottom is fixed with support rod, and adjusting sleeve pipe annular side is provided with interior spiral shell
Line, the mounting post annular side top are provided with external screw thread, and the adjusting sleeve pipe is connected by screw thread with mounting post.
Further, the motion bar, handle, connecting rod, spring and support rod constitute connection component, and connection component
Two groups are provided with, two groups of connection components are symmetricly set at left and right sides of adjusting sleeve pipe.
Beneficial effects of the present invention: the anti-device for hoisting of sludge-tank fibreglass reinforced plastic cover steel construction multilayer wirerope of the invention, because
The present invention is added to motion bar, handle, adjusting sleeve pipe, connecting rod, spring, mounting post and support rod, which can be to steel
The pre-installed position of circle carries out height adjustment, and it is not convenient enough to solve the problems, such as that original rack is adjusted, improves of the invention
Installation Flexibility.
Because on the link at the top of the link and steel column of spending blue collet to be connected among girder steel at one both ends of wirerope, steel
On link at the top of the link and steel column of spending blue collet to be connected on the right side of girder steel at two both ends of cord, which improves steel
The support strength of beam because of steel column, sleeve, link, wirerope one, wirerope two, spends blue collet, girder steel, turns ball, ball groove, reinforcing
Beam one and reinforcement two constitute support component, and support component is provided with six groups, and six groups of support components are equidistantly fixed on sludge
Above pond, six groups of support components improve the comprehensive of support, and the present invention has rational design, and support is firm, adjust install convenient.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is front view of the invention；
Fig. 2 is top view of the invention；
Fig. 3 is the structural schematic diagram of regulating mechanism in the present invention；
Fig. 4 is the partial cutaway view of regulating mechanism in the present invention；
Fig. 5 is the enlarged drawing of A in the present invention；
Fig. 6 is the enlarged drawing of B in the present invention；
Fig. 7 is the connection structure diagram of steel column and girder steel in the present invention.
In figure: 1- sludge-tank, 2- steel column, 3- wirerope one, 4- wirerope two, 5- girder steel, 6- regulating mechanism, 7- steel ring,
21- link, 22- ball groove, 41- spend blue collet, 51- reinforcement one, 52- reinforcement two, 53- to turn ball, 54- mounting rod, 61- activity
Bar, 62- handle, 63- adjusting sleeve pipe, 64- connecting rod, 65- spring, 66- mounting post, 641- support rod, 71- sleeve.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Fig. 1-Fig. 7 is please referred to, the present invention provides technical solution: sludge-tank fibreglass reinforced plastic cover steel construction multilayer wirerope is counter to be hung
Device, including sludge-tank 1, steel column 2, wirerope 1, wirerope 24, girder steel 5, regulating mechanism 6 and steel ring 7, outside sludge-tank 1
Side is fixed with steel column 2, and girder steel 5 is connected on the inside of steel column 2, and steel ring 7 is connected on the inside of girder steel 5, adjusting machine is provided on the inside of steel ring 7
Structure 6 is connected with wirerope 1 on girder steel 5, and 5 upper surface middle position of girder steel is connected with wirerope 24.
Regulating mechanism 6 includes motion bar 61, handle 62, adjusting sleeve pipe 63, connecting rod 64, spring 65 and mounting post 66,
Mounting post 66 is mounted on 1 middle position of sludge-tank, is fixed with adjusting sleeve pipe 63, adjusting sleeve pipe 63 on the upside of 66 annular side of mounting post
It is fixed with handle 62 at the top of annular side, handle 62 is internally provided with spring 65, motion bar 61 is connected on the outside of spring 65, activity
61 bottom of bar is fixed with connecting rod 64, which can carry out height adjustment to the pre-installed position of steel ring 7, solves original
Rack adjusts not convenient enough problem.
Link 21 is fixed at the top of steel column 2,5 upper surface middle position of girder steel and right positions are respectively and fixedly provided with link 21, steel
One 3 both ends of cord, which are respectively and fixedly provided with, spends blue collet 41, and 24 both ends of wirerope, which are respectively and fixedly provided with, spends blue collet 41, which facilitates two
The stretching of wirerope connects, and one 3 both ends of wirerope spend blue collet 41 to be connected to link 21 and steel column 2 among girder steel 5
On the link 21 at top, the link 21 for spending blue collet 41 to be connected on the right side of girder steel 5 and steel column 2 at 24 both ends of wirerope are pushed up
On the link 21 in portion, which improves the support strength of girder steel 5.
5 left end of girder steel, which is fixed with, turns ball 53, and turning ball 53 is semiglobe, and 2 bottom of steel column offers ball groove 22, and girder steel 5 is logical
It crosses and turns ball 53 and ball groove 22 and the rotation connection of steel column 2, mounting rod 54 is connected on the left of girder steel 5, passes through mounting rod 54 on the left of girder steel 5
It is welded on steel column 2, which can facilitate the support angle for adjusting girder steel 5.
5 upper surface of girder steel is equidistantly fixed with reinforcement 1 and reinforcement 2 52, and the length of reinforcement 1, which is less than, reinforces
The length of beam 2 52 enough reinforces being connected and fixed to girder steel 5,2 52 bottom of reinforcement 1 and reinforcement by two reinforcements
It is welded with fixed pin, fixation hole is offered at the top of girder steel 5, reinforcement 1 and reinforcement 2 52 pass through fixed pin and fixation hole
It is fixed with 5 phase of girder steel, which facilitates the connection between reinforcement and girder steel 5.
7 annular side of steel ring is fixed with sleeve 71, and 5 diameter of girder steel matches with 71 internal diameter of sleeve, and girder steel 5 passes through sleeve 71
It is fixed with 7 phase of steel ring, which facilitates being connected and fixed between girder steel 5 and steel ring 7, steel column 2, sleeve 71, link 21, wirerope
One 3, wirerope 24, spend blue collet 41, girder steel 5, turn ball 53, ball groove 22, reinforcement 1 and reinforcement 2 52 constitute support
Component, and support component is provided with six groups, six groups of support components are equidistantly fixed on 1 top of sludge-tank, and six groups of support components improve
Support it is comprehensive.
64 bottom of connecting rod is fixed with support rod 641, and the 63 annular side of adjusting sleeve pipe is provided with internal screw thread, described
External screw thread is provided at the top of 66 annular side of mounting post, the adjusting sleeve pipe 63 is connected by screw thread with mounting post 66, activity
Bar 61, handle 62, connecting rod 64, spring 65 and support rod 641 constitute connection component, and connection component is provided with two groups, and two
Group connection component is symmetricly set on 63 left and right sides of adjusting sleeve pipe, and the design is convenient to be adjusted the pre-installed position of steel ring 7.
As an embodiment of the present invention: regulating mechanism 6 is previously positioned at 1 bosom of sludge-tank by staff
Steel ring 7 is placed on 641 upper surface of support rod by position, and by rotating handle 62, the rotation of handle 62 drives adjusting sleeve pipe 63 to pass through
Screw thread is rotated with mounting post 66, and so as to be adjusted the mounting height of adjusting sleeve pipe 63, adjusting sleeve pipe 63 is driven
Support rod 641 adjusts the pre-installation height of steel ring 7, improves adjusting Installation Flexibility of the invention.
As an embodiment of the present invention: staff passes through girder steel 5 again and is separately connected steel column 2 and steel ring 7, girder steel 5
Left side is connected by turning ball 53 with the ball groove 22 of steel column 2, is then respectively welded on girder steel 5 and steel column 2 by mounting rod 54,
It is inserted into inside sleeve 71 on the right side of girder steel 5, then by one 3 both ends of wirerope by spending blue collet 41 to be separately connected among girder steel 5
The link 21 at 2 top of link 21 and steel column, by 24 both ends of wirerope by spending blue collet 41 to be separately connected the extension on 5 right side of girder steel
The link 21 at 2 top of ring 21 and steel column, two wirerope can be improved the support strength of girder steel 5, finally again by reinforcement 1
It is fixed in the fixation hole of girder steel 5 with reinforcement 2 52 by fixed pin, further improves comprehensive stability of support.
As an embodiment of the present invention: last staff presses motion bar 61 inwardly, and motion bar 61 is to handle
Spring 65 is compressed in inside handle 62 by 62 inside movements, and motion bar 61 drives connecting rod 64 and support to 62 medial movement of handle
Bar 641 is to moving among adjusting sleeve pipe 63, to make the support rod 641 of the left and right sides be moved to 7 inside of steel ring, by regulating mechanism
6 entirety are extracted out out of steel ring 7, realize whole installation, are finally installed glass cover-plate and the anti-film that hangs, and improve this
The support stability and Installation Flexibility of invention.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. the anti-device for hoisting of sludge-tank fibreglass reinforced plastic cover steel construction multilayer wirerope, including sludge-tank, steel column, wirerope one, steel wire
Rope two, girder steel, regulating mechanism and steel ring, it is characterised in that: be fixed with steel column on the outside of the sludge-tank, connect on the inside of the steel column
It is connected to girder steel, steel ring is connected on the inside of the girder steel, regulating mechanism is provided on the inside of the steel ring, is connected with steel on the girder steel
Cord one, girder steel upper surface middle position are connected with wirerope two；
The regulating mechanism includes motion bar, handle, adjusting sleeve pipe, connecting rod, spring and mounting post, the mounting post installation
Adjusting sleeve pipe, adjusting sleeve pipe annular side top are fixed on the upside of sludge-tank middle position, the mounting post annular side
Portion is fixed with handle, and the handle is internally provided with spring, and the spring outwards are connected with motion bar, and the motion bar bottom is solid
Surely there is connecting rod.
2. the anti-device for hoisting of sludge-tank fibreglass reinforced plastic cover steel construction multilayer wirerope according to claim 1, it is characterised in that:
It is fixed with link at the top of the steel column, girder steel upper surface middle position and right positions are respectively and fixedly provided with link, the steel wire
Both ends of restricting are respectively and fixedly provided with and spend blue collet, and two both ends of wirerope, which are respectively and fixedly provided with, spends blue collet.
3. the anti-device for hoisting of sludge-tank fibreglass reinforced plastic cover steel construction multilayer wirerope according to claim 2, it is characterised in that:
On link at the top of the link and steel column of spending blue collet to be connected among girder steel at one both ends of wirerope, the steel wire
On the link restricted at the top of the link and steel column of spending blue collet to be connected on the right side of girder steel at two both ends.
4. the anti-device for hoisting of sludge-tank fibreglass reinforced plastic cover steel construction multilayer wirerope according to claim 1, it is characterised in that:
The girder steel left end, which is fixed with, turns ball, and the ball that turns is semiglobe, and the steel column bottom offers ball groove, and the girder steel passes through
Turn ball and ball groove and steel column is rotatablely connected, mounting rod is connected on the left of the girder steel, is welded on the left of the girder steel by mounting rod
On steel column.
5. the anti-device for hoisting of sludge-tank fibreglass reinforced plastic cover steel construction multilayer wirerope according to claim 1, it is characterised in that:
The girder steel upper surface is equidistantly fixed with reinforcement one and reinforcement two, and the length of the reinforcement one is less than the length of reinforcement two
Degree.
6. the anti-device for hoisting of sludge-tank fibreglass reinforced plastic cover steel construction multilayer wirerope according to claim 5, it is characterised in that:
The reinforcement one and two bottom of reinforcement are welded with fixed pin, offer fixation hole, the reinforcement at the top of the girder steel
One and reinforcement two mutually fixed by fixed pin and fixation hole with girder steel.
7. the anti-device for hoisting of sludge-tank fibreglass reinforced plastic cover steel construction multilayer wirerope according to claim 1, it is characterised in that:
The steel ring annular side is fixed with sleeve, and the girder steel diameter matches with sleeve diameter, and the girder steel passes through sleeve and steel
Circle is mutually fixed.
8. the anti-device for hoisting of sludge-tank fibreglass reinforced plastic cover steel construction multilayer wirerope described in -7 any one according to claim 1,
It is characterized by: the steel column, sleeve, link, wirerope one, wirerope two, spending blue collet, girder steel, turning ball, ball groove, reinforcing
Beam one and reinforcement two constitute support component, and support component is provided with six groups, and six groups of support components are equidistantly fixed on sludge
Above pond.
9. the anti-device for hoisting of sludge-tank fibreglass reinforced plastic cover steel construction multilayer wirerope according to claim 1, it is characterised in that:
The connecting rod bottom is fixed with support rod, and adjusting sleeve pipe annular side is provided with internal screw thread, the mounting post annular
Side top is provided with external screw thread, and the adjusting sleeve pipe is connected by screw thread with mounting post.
10. according to claim 1 or the anti-device for hoisting of sludge-tank fibreglass reinforced plastic cover steel construction multilayer wirerope, feature described in 9
Be: the motion bar, handle, connecting rod, spring and support rod constitute connection component, and connection component is provided with two groups,
Two groups of connection components are symmetricly set at left and right sides of adjusting sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910060026.8A CN109534249A (en) | 2019-01-22 | 2019-01-22 | The anti-device for hoisting of sludge-tank fibreglass reinforced plastic cover steel construction multilayer wirerope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910060026.8A CN109534249A (en) | 2019-01-22 | 2019-01-22 | The anti-device for hoisting of sludge-tank fibreglass reinforced plastic cover steel construction multilayer wirerope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109534249A true CN109534249A (en) | 2019-03-29 |
Family
ID=65838338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910060026.8A Pending CN109534249A (en) | 2019-01-22 | 2019-01-22 | The anti-device for hoisting of sludge-tank fibreglass reinforced plastic cover steel construction multilayer wirerope |
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| CN (1) | CN109534249A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113428817A (en) * | 2021-06-18 | 2021-09-24 | 国网山东省电力公司建设公司 | Special well lid opening tool and method for opening well lid by using same |
-
2019
- 2019-01-22 CN CN201910060026.8A patent/CN109534249A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113428817A (en) * | 2021-06-18 | 2021-09-24 | 国网山东省电力公司建设公司 | Special well lid opening tool and method for opening well lid by using same |
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Effective date of registration: 20230625 Address after: No. 24, Group 1, Tongjiashan, Shisanfang Village, Puyang Town, Xiaoshan District, Hangzhou City, Zhejiang Province 310000 Applicant after: Zhu Hongliang Applicant after: Dong Man Address before: 310000 shisanfang village, Puyang Town, Xiaoshan District, Hangzhou City, Zhejiang Province Applicant before: ZHEJIANG CAILIAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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Application publication date: 20190329 |