CN103939057B - Belt oil pumping machine denoising device - Google Patents
Belt oil pumping machine denoising device Download PDFInfo
- Publication number
- CN103939057B CN103939057B CN201410183726.3A CN201410183726A CN103939057B CN 103939057 B CN103939057 B CN 103939057B CN 201410183726 A CN201410183726 A CN 201410183726A CN 103939057 B CN103939057 B CN 103939057B
- Authority
- CN
- China
- Prior art keywords
- cover body
- plate
- steel
- oil pumping
- pumping machine
- 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
Links
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses a kind of belt oil pumping machine denoising device, including the cover body outside the motor and speed reducer covering on belt type pumping unit, the edge of cover body is closed with the pylon of belt type pumping unit and base and is connected, cover body is provided with air inlet and air outlet, air inlet and air outlet are equipped with acoustic filter, cover body includes steel skeleton and the polylith sound insulationg board being arranged on steel skeleton and multiple maintenance door, and the door-plate of maintenance door is sound insulation door-plate.Motor and the decelerator of belt oil pumping machine are closed by the present invention by cover body, thus noise control inside cover body, so that the noise that belt oil pumping machine transmits to living area is effectively dropped, reduce the pollution of belt oil pumping machine noise on human class living environment.The present invention breaches traditional handicraft, has broken the technical bottleneck of Noise Treatment, be the scientific and reasonable noise producing cause according to well site of oil field and route of transmission design develop there is the belt oil pumping machine denoising device across significance of times.
Description
Technical field
The present invention relates to a kind of belt oil pumping machine denoising device.
Background technology
Oil extraction in oil field overhead belt type oil pumping machine denoising device, drives motor and reductor institute mainly for belt type pumping unit
The noise reduction process of radiated noise.
The noise dispersed that belt oil pumping machine produces in running, especially with motor and reductor produce with in
Low-frequency range is that main high intensity noise is for very.When oil well is positioned at sensitizing range, cities and towns (such as residential block), oil pumper work noise
By the acoustic environment of close region is produced harmful effect, produce noise emission excessive problem.
Summary of the invention
The technical problem to be solved in the present invention is: provide the belt oil pumping machine of a kind of noise reducing belt oil pumping machine to drop
Make an uproar device.
In order to solve above-mentioned technical problem, inventive belt formula oil pumper includes motor, reductor, the base of level, erects
The oblique pull beam of straight pylon and oblique connection base and pylon；Base includes two girder steels and connects the crossbeam of two girder steels, electricity
Machine and reductor are fixed on the girder steel of base, and the bottom of pylon and base end docking are fixing L-shaped, and described belt-type is taken out
Oil machine denoising device includes that the cover body covering on outside the motor and speed reducer of belt type pumping unit, the edge of cover body are pumped with belt-type
The pylon of machine and base are closed and are connected, and cover body is provided with in air inlet and air outlet, air inlet and air outlet and is equipped with acoustic filter,
Cover body includes steel skeleton and the polylith sound insulationg board being arranged on steel skeleton and multiple maintenance door, and the door-plate of maintenance door is soundproof door
Plate.
In order to make cover body not only structure firm but also easy for installation, described cover body and steel skeleton all include front facade, left facade,
Right facade and an end face, between the adjacent facade of steel skeleton, all pass through bolt between end face and the adjacent facade of steel skeleton
Connecting (note: with bolts and non-solder is easy to the dismounting when oil pumper overhaul or oil pumper move well), steel skeleton is net
Trellis, sound insulationg board and sound insulation door-plate are all filled out in the grid of steel skeleton, are tightly connected between sound insulationg board and steel skeleton.
In order to prevent sound insulationg board or sound insulation door-plate and steel skeleton junction leakage sound, every piece of described sound insulationg board or sound insulation door-plate
Inner side is provided with a circle and keeps off at sound insulationg board or the baffle plate of the inside edge of sound insulation door-plate, and baffle plate is fixed on steel skeleton, baffle plate
On be bonded with sealing strip, the inner side of sound insulationg board and sound insulation door-plate is pressed on corresponding sealing strip, and the edge in the outside of sound insulationg board sets
Being equipped with multiple hasp ridden on steel skeleton lateral surface, a door limit of maintenance door-plate is connected with steel skeleton by hinge, maintenance
Another limit of door-plate is provided with lock.
Connect leakage sound to prevent cover body to be connected with the girder steel of the base of belt oil pumping machine, the left facade of described steel skeleton and
The bottom of right facade is respectively provided with a bottom girder, and two bottom girders of steel skeleton are respectively with two girder steels of the base of belt oil pumping machine even
Connect, the bottom girder of steel skeleton is fixed with connection steel part, the girder steel of the base of belt oil pumping machine is fixed with lower connection steel part, on
Connect steel part to be pressed on lower connection steel part, between upper connection steel part and lower connection steel part, be provided with rubber vibration insulating pad, upper connection steel part
It is bolted with lower connection steel part.Particularly attachment structure can decay the vibration on the cover body being delivered to denoising device,
Avoid " the coincide paddy " phenomenon producing because sound insulationg board there is larger vibration on sound insulating theory, cause sound insulationg board at certain specific frequency
The low ebb of sound insulation property in section.
In order to reduce taking up room of cover body as far as possible, prevent cover body from interfering with the oblique pull beam of belt oil pumping machine, described
Being connected by sweptback inclined-plane, a upper end of the front facade of cover body, left facade and end face, the front facade of cover body, right vertical
Face and end face are connected by sweptback inclined-plane, a upper end, and front facade and end face are joined directly together.
Bad and cause overheated burning out for preventing from being in the motor radiating within cover body, described air inlet is positioned at cover body
The lower right side (note: pumping-unit motor fan is just to position) of front facade, described air outlet is positioned at the front end of the end face of cover body
Right side (note: pumping-unit motor area just above), maintenance Men Yousan, three are overhauled the left side that door is in the front facade of cover body respectively
On the rear side of side, the front downside of right facade and left facade.
In order to improve defening effect, described sound insulationg board or sound insulation door-plate are all to be sequentially provided with perforation galvanized steel from inside to outside
Plate, glass wool cloth, hydrophobic type centrifugally glass-wool plate, rubber slab, damping coatings and hot-dip galvanizing sheet steel six layers.First pass through centrifugal glass
Noise energy absorbs by glass cotton plate, convert, consume (acoustic energy is converted into heat energy and distributes) falls a part, recycling outer surface zinc-plated
Steel plate combines the damping of damping coatings and rubber slab and is combined sound insulation effect obstruct, reflects a part of noise energy, so that every
Sound plate or sound insulation door-plate possess preferable defening effect.
In order to obtain good defening effect, according to the spectral characteristic of belt oil pumping machine institute radiated noise, described perforation
Galvanized steel plain sheet is the perforation galvanized steel plain sheet of the 0.8mm thickness of punching rate 23% and aperture 3.5mm, and described glass wool cloth is 12*12
Mesh glass wool cloth, described hydrophobic type centrifugally glass-wool plate is the hydrophobic type centrifugally glass-wool plate of unit weight 32kg, described rubber
Plate is the rubber slab that 3mm is thick, and described damping coatings is the damping coatings that 3mm is thick, and described hot-dip galvanizing sheet steel is that 1.5mm is thick
Hot-dip galvanizing sheet steel.
The invention has the beneficial effects as follows: motor and the decelerator of belt oil pumping machine are closed by the present invention by cover body,
Thus noise control inside cover body, so that the noise that belt oil pumping machine transmits to living area is effectively dropped, reduce
The pollution of belt oil pumping machine noise on human class living environment.The present invention breaches traditional handicraft, has broken the skill of Noise Treatment
Art bottleneck, be the scientific and reasonable noise producing cause according to well site of oil field and route of transmission design develop have across the epoch
The denoising device of meaning.
Accompanying drawing explanation
Fig. 1 is the perspective view in the orientation one of the present invention；
Fig. 2 is the perspective view in the orientation two of the present invention；
Fig. 3 is the perspective view of the steel skeleton of the present invention；
Fig. 4 is the attachment structure schematic diagram of steel skeleton and sound insulationg board；
Fig. 5 is the attachment structure schematic diagram of the present invention and the girder steel of the base of oil pumper；
Fig. 6 is A close-up schematic view in Fig. 5；
Fig. 7 is B close-up schematic view in Fig. 5；
Fig. 8 is the structural representation enlarged drawing of sound insulationg board；
In figure: 1, steel skeleton, 1-1, bottom girder, 2, air outlet, 3, maintenance door I, 4, air inlet, 5, maintenance door II, 6, sound insulation
Plate, 7, maintenance door III, 8, baffle plate, 9, sealing strip, 10, hasp, 11, upper connection steel part, 12, rubber vibration insulating pad, 13, lower connection steel
Part, 14, girder steel.
Detailed description of the invention
A kind of belt type pumping unit denoising device as Figure 1-3, the belt type pumping unit of its application includes motor, subtracts
Speed machine, the base of level, vertical pylon and oblique connection base and the oblique pull beam of pylon；Base includes two girder steels 14 and connects
Connecing the crossbeam of two girder steels 14, motor and speed reducer is fixed on the girder steel 14 of base, the bottom of pylon and base end docking
Fixing L-shaped, belt type pumping unit denoising device includes the cover body covering on outside the motor and speed reducer of belt type pumping unit, cover body
The base of edge and belt type pumping unit and pylon close and be connected, cover body is provided with air inlet 4 and air outlet 2, air inlet 4 He
Being equipped with acoustic filter in air outlet 2, cover body includes steel skeleton 1 and the polylith sound insulationg board 6 being arranged on steel skeleton 1 and multiple maintenance
Door I 3, maintenance door II 5 and maintenance door III 7, the door-plate of three maintenance doors is sound insulation door-plate.Maintenance door I 3 is the maintenance of positive facade
Door, is mainly used in overhauling motor, and maintenance door II 5 is mainly used in motor side belt and belt pulley adjusts maintenance, and maintenance door III 7 is main
Overhaul for oil-pump braking device region.
Cover body and steel skeleton 1 all include front facade, left facade and right facade and an end face, the adjacent facade of steel skeleton 1
Between, be all bolted between end face and the adjacent facade of steel skeleton 1, steel skeleton 1 in latticed, sound insulationg board 6 and every
Glottis plate is all filled out in the grid of steel skeleton 1, is tightly connected between sound insulationg board 6 and steel skeleton 1.The front facade of cover body, left facade
With end face by sweptback inclined-plane, a upper end connect, front facade, right facade and end face are retreated by a upper end
Oblique inclined-plane connects, and front facade and end face are joined directly together.
Air inlet 4 is positioned at the lower right side of the front facade of cover body, on the right side of the front end of the end face that air outlet 2 is positioned at cover body, and inspection
Repairing Men Yousan, maintenance door I 3 is on the left side of front facade of cover body, and maintenance door II 5 is in the front downside of the right facade of cover body
On, maintenance door III 7 is on the rear side of left facade of cover body.
As shown in Figure 4, it is provided with a circle gear at sound insulationg board or the door-plate that insulates against sound inside every piece of sound insulationg board 6 or sound insulation door-plate
The baffle plate 8 of inside edge, baffle plate 8 is fixed on steel skeleton 1, and baffle plate 8 is bonded with sealing strip 9, sound insulationg board 6 and sound insulation door-plate
Inner side be pressed on corresponding sealing strip 9, the edge in the outside of sound insulationg board 6 be provided with multiple ride on steel skeleton 1 lateral surface take
Button 10, hasp 10 is a kind of conventional connector, belongs to prior art.One door limit of maintenance door-plate is by hinge and steel skeleton
1 connects, and another limit of maintenance door-plate is provided with lock.
As shown in Fig. 5, Fig. 6 and Fig. 7, the left facade of steel skeleton 1 and the bottom of right facade are respectively provided with a bottom girder 1-1, steel
Two bottom girder 1-1 of skeleton 1 two girder steels 14 with the base of belt oil pumping machine respectively are connected, fixing on the bottom girder of steel skeleton 1
Having upper connection steel part 11, the girder steel 14 of belt oil pumping machine is fixed with lower connection steel part 13, upper connection steel part 11 is pressed in lower connection
On steel part 13, between upper connection steel part 11 and lower connection steel part 13, it is provided with rubber vibration insulating pad 12, upper connection steel part 11 and lower connection
Steel part 13 is bolted.
As shown in Figure 8, sound insulationg board 6 and sound insulation door-plate are all to be sequentially provided with perforation galvanized steel plain sheet 15, glass fiber from inside to outside
Cloth 16, hydrophobic centrifugally glass-wool plate 17, rubber slab 18, damping coatings 19 and hot-dip galvanizing sheet steel 20 6 layers.Galvanized steel plain sheet 15 is to wear
The 0.8mm thickness galvanized steel plain sheet of porosity 23% and aperture 3.5mm, glass wool cloth 16 is 12*12 mesh glass wool cloth, and hydrophobic is centrifuged glass
Glass cotton plate 17 is unit weight 32kg hydrophobic centrifugally glass-wool plate, and rubber slab 18 is the rubber slab that 3mm is thick, and damping coatings 19 is that 3mm is thick
Damping coatings, hot-dip galvanizing sheet steel 20 is the hot-dip galvanizing sheet steel that 1.5mm is thick.
In following four table, data are all to record in the situation that oil pumper working condition is identical and properly functioning, and based on
Run under the motor power when the power 22KW/ of its maximum.
Data when motor and speed reducer is exposed:
Noise figure at oil pumper 1 meter
Leq =73.8dB
Noise spectrum is analyzed as follows: Leq unit: dB
| Frequency (Hz) | 31.5 | 63 | 125 | 250 | 500 | 1K | 2K | 4K | 8K |
| Leq | 69.2 | 68.2 | 81.0 | 71.1 | 69.4 | 66.0 | 62.7 | 50.2 | 45.9 |
Oil well factory Jie Chu (at oil pumper 10 meters)
Leq =52.7dB
Noise spectrum is analyzed as follows: Leq unit: dB
| Frequency (Hz) | 31.5 | 63 | 125 | 250 | 500 | 1K | 2K | 4K | 8K |
| Leq | 60.5 | 59.4 | 63.8 | 53.9 | 48.4 | 44.2 | 39.1 | 31.4 | 31.9 |
Data after this oil pumper denoising device are installed:
Noise figure at oil pumper 1 meter
Leq =56.6dB
Noise spectrum is analyzed as follows: Leq unit: dB
| Frequency (Hz) | 31.5 | 63 | 125 | 250 | 500 | 1K | 2K | 4K | 8K |
| Leq | 52.3 | 54.2 | 59.2 | 55.1 | 49.4 | 46.0 | 42.7 | 40.2 | 35.9 |
Oil well factory Jie Chu (at oil pumper 10 meters)
Leq =43.3dB
Noise spectrum is analyzed as follows: Leq unit: dB
| Frequency (Hz) | 31.5 | 63 | 125 | 250 | 500 | 1K | 2K | 4K | 8K |
| Leq | 40.5 | 42.4 | 47.5 | 43.9 | 39.2 | 38.9 | 37.2 | 30.1 | 29.8 |
After installing denoising device, the noise figure that belt oil pumping machine motor and reductor gave off time properly functioning will obtain
Effectively controlling, motor and reductor close on the noise figure in 1 meter of region and can control to 55-60dB, and oil well factory circle place's noise can control
To 40-45dB, thus meet national environmental protection regulation (" Industrial Enterprise Factory Boundary environment noise discharge standard (GB12348-2008) ")
The requirement of noise emission limit value.
This specific embodiment is highly preferred embodiment of the present invention.If only for realizing noise reduction purpose, sound insulationg board 6 or sound insulation
Door-plate is not required to the special construction used in this specific embodiment, it would however also be possible to employ common sound insulation sheet material.Steel skeleton with every
Sound plate and sound insulation door-plate can also use other connected mode, and the base of cover body and belt oil pumping machine may be used without other and connects
Mode, as long as it is fixing to make the two connect.It addition, the planform of cover body is also regardless of the description being limited to this specific embodiment,
As long as motor and speed reducer can be covered.
Claims (7)
1. a belt oil pumping machine denoising device, belt oil pumping machine includes motor, reductor, the base of level, vertical pylon
Oblique pull beam with oblique connection base Yu pylon；Base includes two girder steels and connects the crossbeam of two girder steels, motor and deceleration
Machine is fixed on the girder steel of base, and the bottom of pylon and base end docking are fixing L-shaped, it is characterised in that: described belt
Oil pumper denoising device includes the cover body covering on outside the motor and speed reducer of belt oil pumping machine, the edge of cover body and belt oil pumping machine
Pylon and base close connect, cover body is provided with in air inlet and air outlet, air inlet and air outlet and is equipped with acoustic filter, cover
Body includes steel skeleton and the polylith sound insulationg board being arranged on steel skeleton and multiple maintenance door, and the door-plate of maintenance door is sound insulation door-plate；
Described cover body and steel skeleton all include front facade, left facade, right facade and an end face, between the adjacent facade of steel skeleton,
All being bolted between end face and the adjacent facade of steel skeleton, steel skeleton is latticed, and sound insulationg board and sound insulation door-plate are equal
Fill out in the grid of steel skeleton, be tightly connected between sound insulationg board and steel skeleton.
Belt oil pumping machine denoising device the most according to claim 1, it is characterised in that: every piece of described sound insulationg board or sound insulation
Being provided with a circle inside door-plate to keep off at sound insulationg board or the baffle plate of the inside edge of sound insulation door-plate, baffle plate is fixed on steel skeleton,
Being bonded with sealing strip on baffle plate, the inner side of sound insulationg board and sound insulation door-plate is pressed on corresponding sealing strip, the limit in the outside of sound insulationg board
Edge is provided with multiple hasp ridden on steel skeleton lateral surface, and a door limit of maintenance door-plate is connected with steel skeleton by hinge,
Another limit of maintenance door-plate is provided with lock.
Belt oil pumping machine denoising device the most according to claim 2, it is characterised in that: the left facade of described steel skeleton and
The bottom of right facade is respectively provided with a bottom girder, and two bottom girders of steel skeleton are respectively with two girder steels of the base of belt oil pumping machine even
Connect, the bottom girder of steel skeleton is fixed with connection steel part, the girder steel of the base of belt oil pumping machine is fixed with lower connection steel part, on
Connect steel part to be pressed on lower connection steel part, between upper connection steel part and lower connection steel part, be provided with rubber vibration insulating pad, upper connection steel part
It is bolted with lower connection steel part.
Belt oil pumping machine denoising device the most according to claim 3, it is characterised in that: the front facade of described cover body, a left side
Facade and end face are connected by sweptback inclined-plane, a upper end, and the front facade of cover body, right facade and end face are by one
Holding sweptback inclined-plane to connect, front facade and end face are joined directly together.
Belt oil pumping machine denoising device the most according to claim 4, it is characterised in that: described air inlet is positioned at cover body
The lower right side of front facade, on the right side of the front end of the end face that described air outlet is positioned at cover body, maintenance Men Yousan, three maintenance doors
It is in respectively on the rear side of the left side of the front facade of cover body, the front downside of right facade and left facade.
6. according to the belt oil pumping machine denoising device in any of the one of claim 1-5, it is characterised in that: described sound insulation
Plate or sound insulation door-plate are all to be sequentially provided with perforation galvanized steel plain sheet, glass wool cloth, hydrophobic type centrifugally glass-wool plate, rubber from inside to outside
Plate, damping coatings and hot-dip galvanizing sheet steel six layers.
Belt oil pumping machine denoising device the most according to claim 6, it is characterised in that: described perforation galvanized steel plain sheet is to wear
The perforation galvanized steel plain sheet of the 0.8mm thickness of porosity 23% and aperture 3.5mm, described glass wool cloth is 12*12 mesh glass wool cloth,
Described hydrophobic type centrifugally glass-wool plate is the hydrophobic type centrifugally glass-wool plate of unit weight 32kg, and described rubber slab is that 3mm is thick
Rubber slab, described damping coatings is the damping coatings that 3mm is thick, and described hot-dip galvanizing sheet steel is the hot-dip galvanizing sheet steel that 1.5mm is thick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410183726.3A CN103939057B (en) | 2014-05-04 | 2014-05-04 | Belt oil pumping machine denoising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410183726.3A CN103939057B (en) | 2014-05-04 | 2014-05-04 | Belt oil pumping machine denoising device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103939057A CN103939057A (en) | 2014-07-23 |
| CN103939057B true CN103939057B (en) | 2016-08-17 |
Family
ID=51186903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410183726.3A Active CN103939057B (en) | 2014-05-04 | 2014-05-04 | Belt oil pumping machine denoising device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103939057B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4665761A (en) * | 1985-03-19 | 1987-05-19 | North China Petroleum Machinery Repairing Plant | Long stroke pumping unit |
| CN2725362Y (en) * | 2004-08-14 | 2005-09-14 | 王全龄 | Noise reducing ventilution device of oceaneering well drilling platform |
| CN201013316Y (en) * | 2006-12-22 | 2008-01-30 | 大庆油田装备制造集团 | Low-noise pumping unit |
| CN202194631U (en) * | 2011-08-11 | 2012-04-18 | 唐山宏冶机械集团有限公司 | Low-noise non-beam pumping unit |
| CN203808947U (en) * | 2014-05-04 | 2014-09-03 | 蔺小利 | Noise reduction device for belt pumping unit |
-
2014
- 2014-05-04 CN CN201410183726.3A patent/CN103939057B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103939057A (en) | 2014-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106285083B (en) | A kind of substation's noise-reduction method | |
| CN203160760U (en) | Noise abatement machine room | |
| CN201893227U (en) | Ventilation and denoising device used in ultra-high voltage converter transformer | |
| CN204511651U (en) | The sound-deadening and noise-reducing device of heavy duty generator set | |
| CN203412660U (en) | Container type fuel gas generator set power station | |
| CN104061069A (en) | High temperature and humidity resistant container mute environmental protection diesel generator set | |
| CN103807996B (en) | Muffler | |
| CN103032381A (en) | Enclosure for reducing noise of axial flow fan | |
| CN202678069U (en) | Noise reducing device for outdoor transformer | |
| CN203441831U (en) | Power plant primary air fan inlet noise elimination device | |
| CN203808947U (en) | Noise reduction device for belt pumping unit | |
| CN103939057B (en) | Belt oil pumping machine denoising device | |
| CN103711338B (en) | A kind of super-silent diesel generating set machine room noise control method | |
| CN205637714U (en) | Sound arrestor of methane electrical generation set | |
| CN105351090A (en) | Stereoscopic stacking ultra-silence power source for standard containers | |
| CN203035349U (en) | Noise enclosure for internal combustion engine | |
| CN102606294A (en) | Low-noise oil-electricity hybrid power source and implementation method thereof | |
| CN102953572A (en) | Sound insulation room of Roots motor | |
| CN201963345U (en) | Isolation booth | |
| CN205935808U (en) | Syllable -dividing shed structure disappears | |
| CN210216772U (en) | Detachable sound insulation cover | |
| CN219286035U (en) | Belt type oil pumping unit noise reduction device | |
| CN105971722A (en) | Double-layer ultra-silence power source | |
| CN206635982U (en) | A kind of high anti-acoustic hood of transformer station | |
| CN209459262U (en) | A kind of acoustic hood for air source heat pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Deng Qingfeng Inventor after: Zheng Xiaozhong Inventor after: Gao Qinghua Inventor after: Dong Hongguang Inventor after: Zhang Wei Inventor after: Lin Xiaoli Inventor after: Xu Jing Inventor after: Gao Hongtao Inventor after: Jiu Lina Inventor before: Deng Qingfeng Inventor before: Zheng Xiaozhong Inventor before: Gao Qinghua Inventor before: Dong Hongguang Inventor before: Zhang Wei Inventor before: Lin Xiaoli |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161207 Address after: 257091 Shandong city of Dongying province Dongying District Front Street No. 55 Patentee after: Shandong Tianzheng Environmental Engineering Co. Ltd. Address before: 256600 Bohai City, Shandong province Binzhou City Road No. 6, No. 701 Patentee before: Lin Xiaoli |