CN108534159A - A kind of automatic pressure regulating device of Industrial Boiler deslagging air compressor machine - Google Patents
A kind of automatic pressure regulating device of Industrial Boiler deslagging air compressor machine Download PDFInfo
- Publication number
- CN108534159A CN108534159A CN201810400679.1A CN201810400679A CN108534159A CN 108534159 A CN108534159 A CN 108534159A CN 201810400679 A CN201810400679 A CN 201810400679A CN 108534159 A CN108534159 A CN 108534159A
- Authority
- CN
- China
- Prior art keywords
- air compressor
- compressor machine
- baroceptor
- deslagging
- bag
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/10—Intercepting solids by filters
- F23J2217/101—Baghouse type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The invention discloses a kind of automatic pressure regulating devices of Industrial Boiler deslagging air compressor machine, including chimney, bag filter, gas holder and deslagging canopy, it is connected with pipeline of dust collector on the outer wall of the chimney, the other end of the pipeline of dust collector is connect with the input terminal of the bag filter, the output end of the bag filter is connected with bag-type dust air compressor machine, the other end of the bag-type dust air compressor machine is connect by snorkel with the gas holder, and the inside of the snorkel is equipped with the first baroceptor, the output end of the gas holder is connected with scum pipe by the second baroceptor simultaneously.The present invention is by being arranged electric cabinet, the first baroceptor, deslagging air compressor machine, third baroceptor, the second baroceptor, pneumatic tube and residual cake valve, the deslagging air compressor system solved at this stage is old, and resources costs waste is more when use and its problem easy to aging when in use, that maintenance cost is high.
Description
Technical field
The present invention relates to Industrial Boiler technical field of dust removal equipment, specially a kind of Industrial Boiler deslagging air compressor machine from
Dynamic regulator.
Background technology
Currently, Industrial Boiler product is divided to two kinds, first, steam, for generating electricity, or gas supply.Industrial Boiler is still with fire coal
It is in the great majority, combustion gas is usually that waste heat boiler is used to recycle waste heat.Industrial Boiler will produce exhaust gas when in use, and with state
Family's development of heavy industry and using and popularizing for Industrial Boiler, it is more and more tighter for the control of industrial pollution, therefore industrial pot
Furnace slag discharge cleaner is extremely important, and Industrial Boiler cleaner at this stage disclosure satisfy that it uses need substantially when in use
It asks, however remains the deficiency of some aspects in actual use：
1. deslagging air compressor machine is always on, when use can waste of resource cost, be unfavorable for the use of enterprise；
2. since deslagging air compressor system automatization level at this stage is not high, deslagging air compressor machine needs always on to ensure
Normal deslagging, therefore deslagging air compressor machine is susceptible to failure and aging, the maintenance cost of failure is high；
3. the automatization level of deslagging air compressor system is not high at this stage, need manually opened, supercharging is slow, needs to shift to an earlier date before deslagging
It opens.
Invention content
（One）The technical issues of solution
The purpose of the present invention is to provide a kind of automatic pressure regulating devices of Industrial Boiler deslagging air compressor machine, solve at this stage
Deslagging air compressor system is old, and resources costs waste is more when use and its problem easy to aging when in use, that maintenance cost is high.
（Two）Technical solution
To achieve the above object, the present invention provides the following technical solutions：A kind of automatic Regulation of Industrial Boiler deslagging air compressor machine
Device, including chimney, bag filter, gas holder and deslagging canopy are connected with pipeline of dust collector on the outer wall of the chimney, described
The other end of pipeline of dust collector is connect with the input terminal of the bag filter, and the output end of the bag filter is connected with cloth
Bag dedusting air compressor machine, the other end of the bag-type dust air compressor machine is connect by snorkel with the gas holder, and the ventilation
The inside of pipe is equipped with the first baroceptor, while the output end of the gas holder is connected with deslagging by the second baroceptor
Pipe, the other end of the scum pipe connect with the input terminal of the deslagging canopy, and scum pipe is externally connected to pneumatic tube, institute
The inside for stating pneumatic tube is equipped with third baroceptor, and the input terminal of pneumatic tube is connected with deslagging air compressor machine.
Preferably, the snorkel is internally provided with shut-off valve.
Preferably, residual cake valve is installed, the upper end of the residual cake valve is provided with valve switch on the scum pipe.
Preferably, electric cabinet is installed on the outer wall of the bag filter.
Preferably, the output end of first baroceptor, the second baroceptor and third baroceptor with
The electric cabinet is electrically connected, the output end of the electric cabinet respectively with the bag filter, bag-type dust air compressor machine, cut-off
Valve, gas holder and deslagging air compressor machine are electrically connected.
（Three）Advantageous effect
The present invention provides a kind of automatic pressure regulating devices of Industrial Boiler deslagging air compressor machine, have following advantageous effect：
1, the present invention is by being arranged electric cabinet, the first baroceptor, the second baroceptor, third baroceptor, deslagging
Air compressor machine and residual cake valve, when production hydrolyzes not deslagging, bag filter work is dusted processing to exhaust gas, and the
One pressure sensor can show the pressure index of bag filter discharge gas, when system needs to carry out deslagging, the row of pressing
The valve switch of slag valve, the second baroceptor can incude the output pressure of gas holder, when the enough deslagginves of output pressure, deslagging
Air compressor machine do not have to work, when the output pressure of gas holder is not enough to deslagging, deslagging air compressor machine can by pneumatic tube to lime-ash into
Row cleaning, therefore the flexibility of the present apparatus is stronger, can save power consumption, and it is always on that when use does not need deslagging air compressor machine, energy
It is enough to save power consumption well, save corporate resources.
2, the present invention by be arranged electric cabinet, the first baroceptor, the second baroceptor, third baroceptor,
The flexibility of deslagging air compressor machine and residual cake valve, the present apparatus is strong, and deslagging air compressor machine does not have to always on when system ash disposal deslagging, because
This its working time can shorten, and can effectively safeguard the service life of deslagging air compressor machine, simultaneously because deslagging air compressor machine
Working time shorten, will not often break down when in use, many maintenance costs can be saved, and then money can be saved
It pays wages in source.
3, the present invention controls case, the first baroceptor, the second baroceptor, third baroceptor, row by setting
The degree of automation of slag air compressor machine and residual cake valve, the present apparatus is higher, and supercharging is fast when use, is not required to open in advance before deslagging, because
This facilitates the use of equipment.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of residual cake valve of the present invention.
In figure：1 chimney, 2 pipeline of dust collector, 3 electric cabinets, 4 bag filters, 5 bag-type dust air compressor machines, 6 snorkels, 7
Shut-off valve, 8 first baroceptors, 9 deslagging air compressor machines, 10 third baroceptors, 11 gas holders, 12 second baroceptors,
13 pneumatic tubes, 14 scum pipes, 15 residual cake valves, 16 deslagging canopies, 17 valve switch.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figs. 1-2, a kind of embodiment provided by the invention：A kind of automatic Regulation of Industrial Boiler deslagging air compressor machine
Device, including chimney 1, bag filter 4, gas holder 11 and deslagging canopy 16 are connected with pipeline of dust collector 2 on the outer wall of chimney 1,
The other end of pipeline of dust collector 2 is connect with the input terminal of bag filter 4, and the output end of bag filter 4 is connected with cloth bag and removes
The other end of dirt air compressor machine 5, bag-type dust air compressor machine 5 is connect by snorkel 6 with gas holder 11, and the inside points of snorkel 6
First baroceptor 8 and shut-off valve 7 are not installed, while the output end of gas holder 11 is connected with by the second baroceptor 12
The other end of scum pipe 14, scum pipe 14 is connect with the input terminal of deslagging canopy 16, and residual cake valve 15 is equipped on scum pipe 14,
The upper end of residual cake valve 15 is provided with valve switch 17, while scum pipe 14 is externally connected to pneumatic tube 13, pneumatic tube 13 it is interior
Portion is equipped with third baroceptor 10, and the input terminal of pneumatic tube 13 is connected with deslagging air compressor machine 9, while bag filter 4
Outer wall on electric cabinet 3, and the first baroceptor 8, the second baroceptor 12 and third baroceptor are installed
10 output end is electrically connected with electric cabinet 3, the output end of electric cabinet 3 respectively with bag filter 4, bag-type dust air compressor machine 5,
Shut-off valve 7, gas holder 11 and deslagging air compressor machine 9 are electrically connected.
When in use, when production hydrolyzes not deslagging, bag filter 4 works, and processing is dusted to exhaust gas, and the
One pressure sensor 8 can show that the pressure index of gas is discharged in bag filter 4, when system needs to carry out deslagging, press
The valve switch 17 of residual cake valve 15, gas holder 11 works, and the second baroceptor 12 can incude the output pressure of gas holder 11,
When the enough deslagginves of output pressure, deslagging air compressor machine 9 does not have to work, when the output pressure of gas holder 11 is not enough to deslagging, control
Case 3 can give gas holder 11 and deslagging air compressor machine 9 to send work order respectively, and deslagging air compressor machine 9 can be by pneumatic tube 13 to ash
Slag is cleared up, and gas holder 11 does not have to work at this time, and when bag filter 4 is closed, gas holder 11 is opened automatically
It opens, deslagging air compressor machine 9 is closed, and pressure is provided for producing deslagging by 11 reserves of gas holder.
It can to sum up obtain, the present invention is by being arranged electric cabinet 3, the first baroceptor 8, deslagging air compressor machine 9, third air pressure transmission
Sensor 10, the second baroceptor 12, pneumatic tube 13 and residual cake valve 15, the deslagging air compressor system solved at this stage are old
Old, resources costs waste is more when use and its problem easy to aging when in use, that maintenance cost is high.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of automatic pressure regulating device of Industrial Boiler deslagging air compressor machine, including chimney（1）, bag filter（4）, gas holder
（11）And deslagging canopy（16）, it is characterised in that：The chimney（1）Outer wall on be connected with pipeline of dust collector（2）, the dedusting
Device pipeline（2）The other end and the bag filter（4）Input terminal connection, the bag filter（4）Output end connect
It is connected to bag-type dust air compressor machine（5）, the bag-type dust air compressor machine（5）The other end pass through snorkel（6）With the gas holder
（11）Connection, and the snorkel（6）Inside the first baroceptor is installed（8）, while the gas holder（11）It is defeated
Outlet passes through the second baroceptor（12）It is connected with scum pipe（14）, the scum pipe（14）The other end and the deslagging canopy
（16）Input terminal connection, and scum pipe（14）Be externally connected to pneumatic tube（13）, the pneumatic tube（13）Inside peace
Equipped with third baroceptor（10）, and pneumatic tube（13）Input terminal be connected with deslagging air compressor machine（9）.
2. a kind of automatic pressure regulating device of Industrial Boiler deslagging air compressor machine according to claim 1, it is characterised in that：Institute
State snorkel（6）Be internally provided with shut-off valve（7）.
3. a kind of automatic pressure regulating device of Industrial Boiler deslagging air compressor machine according to claim 1, it is characterised in that：Institute
State scum pipe（14）On residual cake valve is installed（15）, the residual cake valve（15）Upper end be provided with valve switch（17）.
4. a kind of automatic pressure regulating device of Industrial Boiler deslagging air compressor machine according to claim 1, it is characterised in that：Institute
State bag filter（4）Outer wall on electric cabinet is installed（3）.
5. a kind of automatic pressure regulating device of Industrial Boiler deslagging air compressor machine according to claim 4, it is characterised in that：Institute
State the first baroceptor（8）, the second baroceptor（12）And third baroceptor（10）Output end and the electricity
Control case（3）It is electrically connected, the electric cabinet（3）Output end respectively with the bag filter（4）, bag-type dust air compressor machine
（5）, shut-off valve（7）, gas holder（11）And deslagging air compressor machine（9）It is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400679.1A CN108534159B (en) | 2018-04-28 | 2018-04-28 | Automatic pressure regulating device of air compressor for slag discharge of industrial boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810400679.1A CN108534159B (en) | 2018-04-28 | 2018-04-28 | Automatic pressure regulating device of air compressor for slag discharge of industrial boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108534159A true CN108534159A (en) | 2018-09-14 |
| CN108534159B CN108534159B (en) | 2023-08-08 |
Family
ID=63476354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810400679.1A Active CN108534159B (en) | 2018-04-28 | 2018-04-28 | Automatic pressure regulating device of air compressor for slag discharge of industrial boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108534159B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8903898D0 (en) * | 1988-02-25 | 1989-04-05 | Steag Ag | Method of melting solid ballast materials |
| US4877423A (en) * | 1987-10-28 | 1989-10-31 | Deutsche Babcock Werke Aktiengesellschaft | Method and device for cooling flue dust |
| US5301555A (en) * | 1991-10-17 | 1994-04-12 | Pfister Gmbh | Method and apparatus for measuring the mass throughput of a flow of material according to the coriolis principle |
| CN201296550Y (en) * | 2008-10-07 | 2009-08-26 | 朱望孟 | Pneumatic device conveying dust with flammable and explosive gas |
| CN201367406Y (en) * | 2009-03-20 | 2009-12-23 | 山东福田药业有限公司 | Xylose production deslagging device |
| CN202296395U (en) * | 2011-10-21 | 2012-07-04 | 中冶南方工程技术有限公司 | Blast-furnace gas ash pneumatic single-stage transmission system |
| CN103241550A (en) * | 2013-05-09 | 2013-08-14 | 交城义望铁合金有限责任公司 | Pneumatic ash conveying system |
| CN103657274A (en) * | 2013-12-09 | 2014-03-26 | 无锡雪浪环境科技股份有限公司 | Dedusting system combining flue gas ash conveying and filtering |
| CN203857473U (en) * | 2014-04-02 | 2014-10-01 | 河北省电力勘测设计研究院 | Ash discharge delivery system of coal economizer |
| CN204198776U (en) * | 2014-11-08 | 2015-03-11 | 鞍钢集团工程技术有限公司 | Waste gas of hot-blast stove flue is used for the device of reverse gas cleaning and Pneumatic ash conveying |
| CN104555441A (en) * | 2013-10-20 | 2015-04-29 | 宁夏嘉翔自控技术有限公司 | Double-bunker pneumatic conveying system for limestone powder |
| CN204611798U (en) * | 2015-03-13 | 2015-09-02 | 国电科学技术研究院 | A kind of employing hydronic dried slag removing equipment of low temperature neat stress and furnace cinder cooling device thereof |
| CN205014392U (en) * | 2015-09-25 | 2016-02-03 | 杭州元珑环境工程有限公司 | Take air -cooled slag extractor of doing of air conveying system |
| CN207061322U (en) * | 2017-07-25 | 2018-03-02 | 浙江浙能绍兴滨海热电有限责任公司 | A kind of ashes induction system and air compressor machine |
| CN208154502U (en) * | 2018-04-28 | 2018-11-27 | 河南禾力能源股份有限公司 | A kind of automatic pressure regulating device of Industrial Boiler deslagging air compressor machine |
-
2018
- 2018-04-28 CN CN201810400679.1A patent/CN108534159B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4877423A (en) * | 1987-10-28 | 1989-10-31 | Deutsche Babcock Werke Aktiengesellschaft | Method and device for cooling flue dust |
| GB8903898D0 (en) * | 1988-02-25 | 1989-04-05 | Steag Ag | Method of melting solid ballast materials |
| US5301555A (en) * | 1991-10-17 | 1994-04-12 | Pfister Gmbh | Method and apparatus for measuring the mass throughput of a flow of material according to the coriolis principle |
| CN201296550Y (en) * | 2008-10-07 | 2009-08-26 | 朱望孟 | Pneumatic device conveying dust with flammable and explosive gas |
| CN201367406Y (en) * | 2009-03-20 | 2009-12-23 | 山东福田药业有限公司 | Xylose production deslagging device |
| CN202296395U (en) * | 2011-10-21 | 2012-07-04 | 中冶南方工程技术有限公司 | Blast-furnace gas ash pneumatic single-stage transmission system |
| CN103241550A (en) * | 2013-05-09 | 2013-08-14 | 交城义望铁合金有限责任公司 | Pneumatic ash conveying system |
| CN104555441A (en) * | 2013-10-20 | 2015-04-29 | 宁夏嘉翔自控技术有限公司 | Double-bunker pneumatic conveying system for limestone powder |
| CN103657274A (en) * | 2013-12-09 | 2014-03-26 | 无锡雪浪环境科技股份有限公司 | Dedusting system combining flue gas ash conveying and filtering |
| CN203857473U (en) * | 2014-04-02 | 2014-10-01 | 河北省电力勘测设计研究院 | Ash discharge delivery system of coal economizer |
| CN204198776U (en) * | 2014-11-08 | 2015-03-11 | 鞍钢集团工程技术有限公司 | Waste gas of hot-blast stove flue is used for the device of reverse gas cleaning and Pneumatic ash conveying |
| CN204611798U (en) * | 2015-03-13 | 2015-09-02 | 国电科学技术研究院 | A kind of employing hydronic dried slag removing equipment of low temperature neat stress and furnace cinder cooling device thereof |
| CN205014392U (en) * | 2015-09-25 | 2016-02-03 | 杭州元珑环境工程有限公司 | Take air -cooled slag extractor of doing of air conveying system |
| CN207061322U (en) * | 2017-07-25 | 2018-03-02 | 浙江浙能绍兴滨海热电有限责任公司 | A kind of ashes induction system and air compressor machine |
| CN208154502U (en) * | 2018-04-28 | 2018-11-27 | 河南禾力能源股份有限公司 | A kind of automatic pressure regulating device of Industrial Boiler deslagging air compressor machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108534159B (en) | 2023-08-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201644480U (en) | Multi-station welding fume purifying system | |
| CN100566795C (en) | The exhaust-gas treatment of heat setting machine and heat-energy recovering apparatus | |
| CN208154502U (en) | A kind of automatic pressure regulating device of Industrial Boiler deslagging air compressor machine | |
| WO2013173951A1 (en) | Combustion heating system | |
| CN108534159A (en) | A kind of automatic pressure regulating device of Industrial Boiler deslagging air compressor machine | |
| CN206391797U (en) | A kind of multi-stage, efficient dedusting recovery system | |
| CN201169596Y (en) | Revolving furnace coal gas dry method cloth bag purification recovering device | |
| CN213912922U (en) | Flame-retardant type sintering furnace high vacuum filter capable of automatically cleaning ash on line | |
| CN101812563A (en) | High-temperature dust-removing device for processing converter gas | |
| CN209441772U (en) | A kind of multiple row bag-feeding vacuum packing machine | |
| CN209431895U (en) | A kind of kiln with heat-recoverable function | |
| CN208075004U (en) | A kind of thermal insulation material production equipment of high-efficiency environment friendly | |
| CN106540499A (en) | A kind of boiler smoke multiple stage filtration system | |
| CN207622055U (en) | A kind of environmentally friendly coal-burning boiler with flue gas preprocessing function | |
| CN213375551U (en) | Flue gas dust removal equipment and flue gas processing system | |
| CN2856057Y (en) | Drying cloth dust removing system for gas of blast furnace | |
| CN214147852U (en) | Combustion device for boiler | |
| CN204933181U (en) | Automatic temperature-control tier-framework building smoke eliminator | |
| CN219656059U (en) | Ultralow nitrogen combustor flue gas waste heat recovery device | |
| CN215233051U (en) | Metal dust collecting system of ferroalloy production line | |
| CN209622823U (en) | A kind of processing unit for main whirlwind tail gas of mating formation | |
| CN209605130U (en) | A kind of steam boiler system | |
| CN208269117U (en) | A kind of dry slag of boiler dusting separation enters furnace structure | |
| CN219355585U (en) | Electric stove sack dust collecting equipment structure | |
| CN212691803U (en) | Ash removal device for thermal power generation |
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 | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 453000 east of Binhe Road and north of Yuyuan Road, guguzhai Town, Xinxiang County, Xinxiang City, Henan Province Applicant after: Henan Heli Energy Co.,Ltd. Address before: 453000 Xiaoji Town, Xinxiang County, Xinxiang City, Henan Province Applicant before: HENAN HELI ENERGY CO.,LTD. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |