CN107119981B - One kind is based on industrial filter bag cleaning type construction enclosure wall - Google Patents
One kind is based on industrial filter bag cleaning type construction enclosure wall Download PDFInfo
- Publication number
- CN107119981B CN107119981B CN201710514360.7A CN201710514360A CN107119981B CN 107119981 B CN107119981 B CN 107119981B CN 201710514360 A CN201710514360 A CN 201710514360A CN 107119981 B CN107119981 B CN 107119981B
- Authority
- CN
- China
- Prior art keywords
- prefabricated fence
- fence unit
- enclosure wall
- arc end
- prefabricated
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fencing (AREA)
Abstract
The invention discloses one kind to be coupled be fixed into bulk enclosure wall between any two based on industrial filter bag cleaning type construction enclosure wall, including multiple prefabricated fence units, multiple prefabricated fence units；The both sides side wall of each prefabricated fence unit is equipped with retaining ring, and pitching pile is fixed after passing through the retaining ring with ground；There is air inlet, gas outlet on each prefabricated fence unit, be equipped in the prefabricated fence unit to be connected to the gas channel of the air inlet and gas outlet；Filter cloth bag is set in hanging like on gas channel, and the air inlet of prefabricated fence unit is against filter cloth bag；Airflow line, one end are connected on the gas outlet of prefabricated fence unit, and the other end is connect with the first negative pressure device；The device of water curtain or/and water mist can be generated.The present invention is based on industrial filter bag cleaning type construction enclosure wall can on building site noise pollution and dust pollution play good iris action, and convenient disassembly, be suitble to storage and transport.
Description
Technical field
The invention discloses one kind based on industrial filter bag cleaning type construction enclosure wall, belongs to the realm of building construction.
Background technology
At present the building height of common construction enclosure wall can only simply by construction site be environmentally isolated out outside the venue, but to week
Dust pollution in the noise pollution enclosed and construction site does not have good barriering effect, especially close on residential building,
Generated noise, airborne dust also will produce serious influence to the life of resident and surrounding enviroment when public place construction.Also,
Common construction enclosure wall is typically all to be formed using concrete block masonry, and after the completion of construction, repeatable utilization rate is low, is also easy to produce building rubbish
The problem of environmental pollutions such as rubbish, airborne dust.
Therefore there is an urgent need for a kind of construction enclosure walls that can preferably solve the above problems at present.
Invention content
In view of the above technical problems, the present invention proposes a kind of based on industrial filter bag cleaning type construction enclosure wall, can be to building site
On noise pollution and dust pollution play good iris action, and convenient disassembly, be suitble to storage and transport.
In order to achieve the above technical purposes, the present invention adopts the following technical scheme that：
One kind is based on industrial filter bag cleaning type construction enclosure wall, including multiple prefabricated fence units, multiple prefabricated enclosure walls
Unit is coupled is fixed into bulk enclosure wall between any two；
The both sides side wall of each prefabricated fence unit is equipped with retaining ring, and pitching pile is fixed after passing through the retaining ring with ground；
There is air inlet, gas outlet on each prefabricated fence unit, be equipped in the prefabricated fence unit to be connected to
State air inlet and the gas channel of gas outlet；
Filter cloth bag is set in hanging like on gas channel, and the air inlet of prefabricated fence unit is against filter cloth bag；
Airflow line, one end are connected on the gas outlet of prefabricated fence unit, and the other end is connect with the first negative pressure device；
The device of water curtain or/and water mist, including water tank, water pipe, water pump and sprinkler head, the water pump setting can be generated
It is connect with sprinkler head by water pipe in the water outlet of water tank bottom, water pump, the sprinkler head is set on prefabricated fence unit and leans on
The top of side in nearly construction site；
Air openings on the prefabricated fence unit in the construction site on the inner wall of side, after the air openings
End is connect by air pipeline with the second negative pressure device, and dust detection components are equipped in air pipeline；
The outer wall of the prefabricated fence unit be equipped with solar panel, the solar panel by power cord with
Accumulator connects；
The accumulator, water pump, the first negative pressure device, the second negative pressure device and dust detection components respectively with controller
Connection.
First negative pressure device is air blower, and second negative pressure device is fan；Water pipe includes manifold and several
One end of branch pipe, the manifold is connected with water pump, and the other end is connect with several branch pipes, and the water outlet of each branch pipe is connected with
One sprinkler head.
Multiple prefabricated fence units are connected with pulling eye by drag hook be combined into bulk enclosure wall between any two；It is each prefabricated to enclose
Wall unit all has a concave arc end and convex arc end, and the concave arc end is mutually agreed with convex arc end, and the concave arc end is equipped with pulling eye,
The convex arc end is equipped with the drag hook for connecting the pulling eye.
The inner wall of the water tank is equipped with liquid level sensor, and the liquid level sensor is connect with the controller.
Further include alarm, the signal output end connection of the alarm and controller.
There is puigging in the materials for wall of each prefabricated fence unit.
The supercharging guide pipe of taper is equipped between air inlet and filter cloth bag.
It is located at air inlet and air openings on the prefabricated fence unit wall and is equipped with baffling cover device, baffling cover device includes
Lid and driving lid open or close the lid driving mechanism of the air inlet and air openings, by prefabricated fence unit
Gas channel be isolated from the outside world；
The lid driving mechanism includes：Motor, gear and arc-shaped rack, wherein connect in the drive shaft of the motor
Gear is connect, gear is sequentially connected with arc-shaped rack, and one end of arc-shaped rack is fixedly connected with cover board, cover board and prefabricated fence unit
Wall it is hinged.
Further include a Corner Link, for one will to be connected between two prefabricated fence units in an angle of 90 degrees arrangement
It rises, is set on the Corner Link there are one concave arc end and convex arc end, the concave arc end and the convex arc end of prefabricated fence unit connect
It connects, the convex arc end is connect with the concave arc end of prefabricated fence unit.
Each prefabricated fence unit all has a concave arc end and convex arc end, and the concave arc end is mutually agreed with convex arc end, institute
It states concave arc end and is equipped with electromagnetism suction piece, the convex arc end is equipped with the sheet metal for connecting the electromagnetism suction piece, multiple prefabricated
Fence unit is combined into bulk enclosure wall by electromagnetic force between any two.
Advantageous effect：
The first, the present invention is a kind of based on industrial filter bag cleaning type construction enclosure wall, by multiple prefabricated fence unit combination of two
It forms, it can be with strong applicability according to the length and height for needing arbitrary increase enclosure wall；
The second, the present invention is a kind of based on industrial filter bag cleaning type construction enclosure wall, not only has all of common construction enclosure wall
Function, while there is dust-absorbing function, the airborne dust in building site can be taken away in time, prevent dust from construction sites from flying everywhere to the greatest extent
The advantageous effect raised.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of the prefabricated fence unit of the present invention；
Fig. 2 is the connection diagram of the prefabricated fence unit of each two of the present invention；
Fig. 3 is the structural schematic diagram of the multiple prefabricated fence unit combinations of the present invention；
Fig. 4 is the structural schematic diagram of baffling cover device；
Fig. 5 is control function block diagram of the present invention；
Wherein, 1 is air inlet；2 be gas outlet；3 be filter cloth bag；4 be water tank；5 be water pump；6 be water pipe；7 be sprinkling
Head；8 devices in order to control；9 be ash collecting box；10 be retaining ring；11 be pitching pile；12 be Corner Link；13 be air openings；14 be second
Negative pressure device；15 be cover board；16 be solar panel；17 be accumulator.
Specific implementation mode
With reference to the accompanying drawings of the specification and specific embodiment encloses a kind of construct based on industrial filter bag cleaning type of the invention
The technical solution of wall is described in further detail.
Embodiment 1
As shown in Figure 1, a kind of based on industrial filter bag cleaning type construction enclosure wall, including multiple prefabricated fence units, Duo Gesuo
Prefabricated fence unit is stated, is coupled is fixed into bulk enclosure wall between any two；The both sides side wall of each prefabricated fence unit is equipped with button
Ring, pitching pile are fixed after passing through the retaining ring with ground；There is air inlet, gas outlet on each prefabricated fence unit, it is described prefabricated
It is equipped in fence unit to be connected to the gas channel of the air inlet and gas outlet；Filter cloth bag is set to gas in hanging like
On circulation road, the air inlet of prefabricated fence unit is against filter cloth bag；Airflow line, one end are connected to going out for prefabricated fence unit
On gas port, the other end is connect with the first negative pressure device；The device of water curtain or/and water mist, including water tank, water pipe, water can be generated
Pump and sprinkler head, the water pump are arranged in water tank bottom, and the water outlet of water pump is connect by water pipe with sprinkler head, the sprinkling
Head is set on prefabricated fence unit close to the top of side in construction site；Close to construction site on the prefabricated fence unit
The rear end of air openings on interior side inner wall, the air openings is connect by air pipeline with the second negative pressure device, air
Dust detection components are equipped in pipeline；The outer wall of the prefabricated fence unit is equipped with solar panel, the solar-electricity
Pond plate is connect by power cord with accumulator；The accumulator, water pump, the first negative pressure device, the second negative pressure device and dust
Detection components are connect with controller respectively.
As the further preferred of technical solution of the present invention, liquid level biography is provided in the water tank in each prefabricated fence unit
Sensor, when the water level in water tank is less than the height of liquid level sensor, liquid level sensor sends a signal to controller, controller hair
It send alarm command to alarm to alarm, reminds staff to adding water in water tank.
As the further preferred of technical solution of the present invention, the water pipe includes manifold and several branch pipes, the manifold
One end be connected with water pump, the other end is connect with several branch pipes, and there are one sprinkler heads for the connection of the water outlet of each branch pipe.
As the further preferred of technical solution of the present invention, there is sound insulation in the materials for wall of each prefabricated fence unit
The setting of layer, puigging makes enclosure wall of the present invention have better soundproof effect than common construction enclosure wall, to surrounding resident building, public affairs
Noise pollution caused by field greatly reduces altogether.
As the further preferred of technical solution of the present invention, the supercharging that taper is equipped between air inlet and filter cloth bag is led
Xiang Guan.
As the further preferred of technical solution of the present invention, air inlet and air are located on the prefabricated fence unit wall
Opening is equipped with baffling cover device, and baffling cover device includes that lid and driving lid open or close the air inlet and air openings
Lid driving mechanism, the gas channel of prefabricated fence unit is isolated from the outside world；The lid driving mechanism includes：Electricity
Machine, gear and arc-shaped rack, wherein connection gear in the drive shaft of the motor, gear are sequentially connected with arc-shaped rack, arc
One end of shape rack is fixedly connected with cover board, and the wall of cover board and prefabricated fence unit is hinged.The setting of baffling cover device herein is
In order to which when rainy day, prefabricated fence unit is isolated from the outside world by baffling cover device, prevent rainwater from entering prefabricated fence unit
It is interior, cause to generate ponding in prefabricated fence unit.
The invention also includes a Corner Links, for will be connected between two prefabricated fence units in an angle of 90 degrees arrangement
Together, concave arc end and convex arc end there are one being set on the Corner Link, the convex arc at the concave arc end and prefabricated fence unit
End connection, the convex arc end is connect with the concave arc end of prefabricated fence unit.
The operation principle of 1 construction site of embodiment of the present invention Combined enclosing wall is：
Suitable place is selected, according to enclosure wall height and the suitable prefabricated fence unit quantity of length requirement selection and pitching pile
Pitching pile is passed through retaining ring hole, squeezes into pitching pile in suitable position, prefabricated fence unit is made to be fixed on ground by quantity.
First, prefabricated fence unit is measured in real time the air in building site by the second negative pressure device, and will detection
Data-signal is sent to controller, and the data-signal detected is compared by controller with pre-set first threshold, if
Less than first threshold, then controller does not send instruction；
If being more than first threshold, controller sends instructions to the first negative pressure device, the first negative pressure device work, to air
It is dusted suction operation；
If being more than second threshold, controller sends instructions to water pump, and the water in water tank is absorbed into sprinkler head by water pump, spray
It spills head airborne dust direction into construction site and forms water curtain or/and water mist, prevent the airborne dust on construction site to greatest extent.
It is of the present invention to be based on industrial filter bag cleaning type construction enclosure wall, when for chemical plant workshop enclosure wall, in order to prevent
Chemical toxic reagent leaks, other chemical liquid reagents can also be contained in the water tank in the prefabricated fence unit, to substitute
Water, is sprayed by the sprinkler head at the top of enclosure wall, prevents chemical reagent to plant area's external diffusion to greatest extent.
Embodiment 2
Difference between embodiment 2 and embodiment 1 is only the connection structure between prefabricated fence unit in the horizontal
It is changed into pulling eye by original drag hook and is connected by calutron magnetic, compared to the composite construction for connecting of embodiment 1, implemented
The connection speed of example 2 is very fast, construction efficiency higher.
Claims (9)
1. one kind is based on industrial filter bag cleaning type construction enclosure wall, which is characterized in that multiple described including multiple prefabricated fence units
Prefabricated fence unit is coupled is fixed into bulk enclosure wall between any two；The both sides side wall of each prefabricated fence unit is equipped with retaining ring,
Pitching pile is fixed after passing through the retaining ring with ground；
There is air inlet, gas outlet on each prefabricated fence unit, be equipped in the prefabricated fence unit to be connected to it is described into
The gas channel of gas port and gas outlet；
Filter cloth bag is set in hanging like on gas channel, and the air inlet of prefabricated fence unit is against filter cloth bag；
Airflow line, one end are connected on the gas outlet of prefabricated fence unit, and the other end is connect with the first negative pressure device；
The device of water curtain or/and water mist, including water tank, water pipe, water pump and sprinkler head can be generated, the water pump is arranged in water
The water outlet in bottom portion, water pump is connect by water pipe with sprinkler head, and the sprinkler head is set on prefabricated fence unit close apply
The top of side in work building site；
The lower section for being located at air inlet on the prefabricated fence unit on the inner wall of construction site side is equipped with air openings, described
The rear end of air openings is connect by air pipeline with the second negative pressure device, and dust detection components are equipped in air pipeline；
The outer wall of the prefabricated fence unit is equipped with solar panel, and the solar panel passes through power cord and electric power storage
Pond connects；
The accumulator, water pump, the first negative pressure device, the second negative pressure device and dust detection components connect with controller respectively
It connects；
First negative pressure device is air blower, and second negative pressure device is fan；Water pipe includes manifold and several branch pipes,
One end of the manifold is connected with water pump, and the other end is connect with several branch pipes, and there are one the water outlet connections of each branch pipe
Sprinkler head；
First, prefabricated fence unit is measured in real time the air in building site by the second negative pressure device, and by detection data
Signal is sent to controller, and the data-signal detected is compared by controller with pre-set first threshold, if being less than
First threshold, then controller do not send instruction；
If being more than first threshold, controller sends instructions to the first negative pressure device, and the work of the first negative pressure device carries out air
Dedusting suction operation；
If being more than second threshold, controller sends instructions to water pump, and the water in water tank is absorbed into sprinkler head, sprinkler head by water pump
Into construction site, airborne dust direction forms water curtain or/and water mist, prevents the airborne dust on construction site to greatest extent；
It is located at air inlet and air openings on the prefabricated fence unit wall and is equipped with baffling cover device, baffling cover device includes lid
And driving lid opens or closes the lid driving mechanism of the air inlet and air openings, by the gas of prefabricated fence unit
Circulation road is isolated from the outside world.
2. according to claim 1 based on industrial filter bag cleaning type construction enclosure wall, which is characterized in that multiple prefabricated enclosure wall lists
Member is connected with pulling eye by drag hook be combined into bulk enclosure wall between any two；Each prefabricated fence unit all has a concave arc end
With convex arc end, the concave arc end is mutually agreed with convex arc end, and the concave arc end is equipped with pulling eye, and the convex arc end is equipped with for connecting
Connect the drag hook of the pulling eye.
3. according to claim 1 based on industrial filter bag cleaning type construction enclosure wall, which is characterized in that the inner wall of the water tank
It is equipped with liquid level sensor, the liquid level sensor is connect with the controller.
4. according to claim 1 based on industrial filter bag cleaning type construction enclosure wall, which is characterized in that further include alarm,
The signal output end of the alarm and controller connects.
5. according to claim 1 based on industrial filter bag cleaning type construction enclosure wall, which is characterized in that each prefabricated enclosure wall list
There is puigging in the materials for wall of member.
6. according to claim 1 based on industrial filter bag cleaning type construction enclosure wall, which is characterized in that in air inlet and filtering
The supercharging guide pipe of taper is equipped between cloth bag.
7. according to claim 1 based on industrial filter bag cleaning type construction enclosure wall, which is characterized in that
The lid driving mechanism includes：Motor, gear and arc-shaped rack, wherein tooth connection in the drive shaft of the motor
Wheel, gear are sequentially connected with arc-shaped rack, and one end of arc-shaped rack is fixedly connected with cover board, the wall of cover board and prefabricated fence unit
Wall is hinged.
8. according to claim 1 based on industrial filter bag cleaning type construction enclosure wall, which is characterized in that further include that a corner connects
Fitting, for will link together between two prefabricated fence units in an angle of 90 degrees arrangement, the Corner Link is equipped with
One concave arc end and convex arc end, the concave arc end are connect with the convex arc end of prefabricated fence unit, the convex arc end and prefabricated enclosure wall
The concave arc end of unit connects.
9. according to claim 1 based on industrial filter bag cleaning type construction enclosure wall, which is characterized in that each prefabricated enclosure wall list
Member all has a concave arc end and convex arc end, and the concave arc end is mutually agreed with convex arc end, and the concave arc end is equipped with electromagnetism suction piece,
The convex arc end is equipped with the sheet metal for connecting the electromagnetism suction piece, and multiple prefabricated fence units pass through electricity between any two
Magnetic combination is at bulk enclosure wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710514360.7A CN107119981B (en) | 2017-06-29 | 2017-06-29 | One kind is based on industrial filter bag cleaning type construction enclosure wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710514360.7A CN107119981B (en) | 2017-06-29 | 2017-06-29 | One kind is based on industrial filter bag cleaning type construction enclosure wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107119981A CN107119981A (en) | 2017-09-01 |
| CN107119981B true CN107119981B (en) | 2018-10-02 |
Family
ID=59719658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710514360.7A Active CN107119981B (en) | 2017-06-29 | 2017-06-29 | One kind is based on industrial filter bag cleaning type construction enclosure wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107119981B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829340B (en) * | 2017-09-28 | 2019-10-29 | 无锡厚发自动化设备有限公司 | A method of it reducing urban road and gets on the car tail gas |
| CN107805985A (en) * | 2017-09-28 | 2018-03-16 | 无锡厚发自动化设备有限公司 | A kind of method for carrying out dedusting to road based on greenbelt isolated column device |
| CN107815991B (en) * | 2017-09-28 | 2020-02-18 | 无锡厚发自动化设备有限公司 | Urban road dust pelletizing system |
| CN107829386A (en) * | 2017-09-28 | 2018-03-23 | 无锡厚发自动化设备有限公司 | A kind of intelligent cleaning type guardrail for road |
| CN107761612A (en) * | 2017-09-28 | 2018-03-06 | 无锡厚发自动化设备有限公司 | A kind of greening wire mesh grating device |
| CN112696784A (en) * | 2020-12-29 | 2021-04-23 | 南京国豪装饰安装工程股份有限公司 | Dustproof greening curtain wall system for construction site |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201024724Y (en) * | 2007-05-30 | 2008-02-20 | 中天建设集团有限公司 | Assembled type steel structure fence unit |
| CN204001978U (en) * | 2014-06-16 | 2014-12-10 | 深圳市华鲁工程有限公司 | A kind of can dust suction Urban Building Construction partition wall |
| CN105178697A (en) * | 2015-08-06 | 2015-12-23 | 哈尔滨达城绿色建筑技术开发股份有限公司 | Concrete building block enclosing wall and assembly construction method |
| CN205370115U (en) * | 2016-02-26 | 2016-07-06 | 杜好伟 | But city construction dust absorption divider wall |
| CN106149610A (en) * | 2016-07-06 | 2016-11-23 | 武汉科技大学 | A kind of atomizing de-dusting apparatus of construction site |
-
2017
- 2017-06-29 CN CN201710514360.7A patent/CN107119981B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107119981A (en) | 2017-09-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107119981B (en) | One kind is based on industrial filter bag cleaning type construction enclosure wall | |
| CN107243211B (en) | A kind of construction site dust purification method | |
| CN103587505A (en) | Water-saving pollution-free automatic car washing system utilizing air | |
| CN107213755A (en) | A kind of Multifunctional air clarifying device and method | |
| CN107269112B (en) | A kind of construction enclosure wall for detecting and purifying for dust | |
| CN207749459U (en) | A kind of multifunctional environmental sanitation machine people | |
| CN206755432U (en) | Combined purifier | |
| CN214486187U (en) | Dust collector for building engineering | |
| CN207442241U (en) | A kind of power distribution cabinet of automatic dedusting function | |
| CN107796052A (en) | It is a kind of can fixed time cleaning indoor air-purification device | |
| CN205516937U (en) | Energy -conserving dust collector of frequency conversion | |
| CN208990481U (en) | Pulsed bag filter | |
| CN111528052A (en) | Gardens construction is with spraying irrigation equipment | |
| TWM600199U (en) | Multifunctional remote mist sprayer and its system | |
| CN105909560A (en) | Intelligent purification laminar flow hood | |
| CN208588054U (en) | A kind of control system of Fresh air handling units | |
| CN206252940U (en) | A kind of dry type pulse dust filtering device | |
| CN108867522A (en) | A kind of building engineering construction environment-protection type floor cleaning device | |
| CN212323638U (en) | Intelligent heat dissipation device for terminal box of transformer substation | |
| CN103071345A (en) | Novel anti-frosting bag type dust collector | |
| CN209355401U (en) | Monitoring harmful gases alarm platform | |
| CN207555784U (en) | A kind of wall-hanging air purifier shell with auto-switch function | |
| CN206778061U (en) | The ash-clearing structure and sack cleaner of sack cleaner | |
| CN201862333U (en) | Air purifying device for machine room, and system thereof | |
| CN205743598U (en) | The rainproof sound-absorbing of generating set multi-functional air feed shutter window |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220114 Address after: 224400 Fucheng Environmental Protection Filter Industrial Park, Funing County, Yancheng City, Jiangsu Province, No. 26 (C) Patentee after: JIANGSU TONGSHENG FILTER BAG CO.,LTD. Address before: 224412 Banhu Industrial Park No. 66, Yancheng City, Jiangsu Province Patentee before: JIANGSU LINGFULONG ENVIRONMENTAL ENGINEERING Co.,Ltd. |