CN202902295U - Open type methane burning torch - Google Patents
Open type methane burning torch Download PDFInfo
- Publication number
- CN202902295U CN202902295U CN 201220443764 CN201220443764U CN202902295U CN 202902295 U CN202902295 U CN 202902295U CN 201220443764 CN201220443764 CN 201220443764 CN 201220443764 U CN201220443764 U CN 201220443764U CN 202902295 U CN202902295 U CN 202902295U
- Authority
- CN
- China
- Prior art keywords
- appendix
- torch
- hurricane globe
- combustion
- biogas
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Control Of Combustion (AREA)
Abstract
An open type methane burning torch comprises a vertical gas pipe, an ignition device, a windscreen and a central controller, a burner cap is arranged at the top of the vertical gas pipe, the burner cap and the ignition device are both arranged in the windscreen, and the top of the ignition device is positioned on the side of the top of the burner cap. When the open type methane burning torch is used, not only is ignition safe and convenient and fast, but also methane is burned more fully, besides, ignition and extinguishing of the torch is controlled by the central controller according to the pressure in a pipe network, and automatic control is achieved. The open type methane burning torch is not only capable of enabling the methane to be burned fully and reducing the emission load of the methane, but also flexible in installation and arrangement and safe and practical, and production cost is reduced.
Description
Technical field
The utility model relates to a kind of device of biogas combustion, relates in particular to a kind of open biogas combustion torch, specifically is applicable to improve the biogas combustion security, and reduces production costs.
Background technology
The industry torch also can be applicable to other and produces the place that biogas needs burning and exhausting, such as garbage loading embeading factory, sewage treatment plant etc. for the treatment of the burning and exhausting of unnecessary biogas in petrochemical industry, the big-and-middle-sized biogas engineering.The industry torch is widely used in the industries such as metallurgy, petrochemical industry, coal, natural gas.The main combustible component of biogas is methane, generally accounts for the 55%-70% of cumulative volume, and carbon dioxide accounts for the 30%-45% of cumulative volume, and other several gas contents generally are no more than 2% of cumulative volume.The greenhouse gases effect of the main component methane of biogas is 21 times of carbon dioxide, and greenhouse gases effect 20% is from methane, and 60% from carbon dioxide, therefore reduces the major action that Methane Emission is the reply Global climate change.In actual production, the unnecessary biogas of big-and-middle-sized biogas engineering directly discharges, and reaches garbage loading embeading factory, sewage treatment plant etc. and produces the problem that biogas directly discharges, and has designed the torch that is used for biogas combustion.
The Chinese patent Granted publication number is CN201925937U, Granted publication day is that the utility model patent on August 10th, 2011 discloses a kind of torch assembly for biogas combustion, the problem that it need to solve is to improve the efficient of fuel gas, so that the water that produces in the burning combustion process discharges smoothly, it is characterized in that one with the torch assembly of biogas combustion head and shell holder, the device top is provided with the wind-proof rain cap, the combustion head bottom connects the gas diffusion chamber, gas diffusion chamber bottom connects Venturi tube, the Venturi tube bottom connects biogas air inlet pipe and water discharging valve, the opposite side of Venturi tube connects the quantity-adjustable air blast, centre position at methane pipeline is equipped with ignitor, at the ignitor upper end position pyrotechnics switch is installed, tank body top and middle part are equipped with the refluence plate.
Although this utility model can make biogas fully burn, it still has following defective:
1, biogas is directly lighted in diffusion chamber with after air mixes, and belongs to lighting in the enclosure space, and is easily explosion caused during igniting if mixed proportion is improper, has potential safety hazard.
2, biogas so diffusion chamber need to adopt the fire and heat endurance material, and adopts the air blast oxygen supply in the diffusion chamber internal combustion, and production cost is higher like this, consumes electric energy.
3, ignitor and burning circuit design are scorched by high temperature for a long time together, have shortened the service life of ignitor.
Summary of the invention
The purpose of this utility model is to overcome the problem that the potential safety hazard that exists in the prior art is large, production cost is high, provides a kind of security higher, lower-cost biogas combustion torch.For realizing above purpose, technical solution of the present utility model is: a kind of open biogas combustion torch, comprise appendix, vertical appendix, igniter and hurricane globe, the top of described vertical appendix is provided with shower nozzle, shower nozzle and igniter all are arranged on the inside of hurricane globe, the bottom of vertical appendix respectively with appendix, drainpipe communicates, appendix is positioned at the drainpipe top, and be provided with draining valve at drainpipe, it is characterized in that: described igniter comprises the ignition signal cable, igniter head, fresh air inlet and igniter head fixed part, the top of described igniter head is positioned at the side at shower nozzle top, the bottom of igniter head is connected with an end of ignition signal cable, the sidepiece of igniter head is connected with the sidepiece of shower nozzle by the duration and degree of heating fixed part, and the position near point duration and degree of heating top evenly is provided with a plurality of air admission holes on igniter head sidepiece.
Described hurricane globe is the cylinder-like structure of both ends open, and the inwall of hurricane globe is connected with the sidepiece of shower nozzle by the hurricane globe fixed part, and the position at nearly its top evenly is provided with a plurality of combustion airs hole on the hurricane globe sidepiece.
The diameter in described combustion air hole is 20mm, and the level interval between the adjacent combustion air hole is 1.5 times of its diameter, and the vertical interval between the adjacent combustion air hole is 0.5 times of its diameter.
The diameter of described hurricane globe is 3 times of vertical appendix diameter, and the ratio of the height of hurricane globe and its diameter is 6:5.
Described biogas combustion torch also comprises magnetic valve and spark arrester, and nearly inlet end place is provided with magnetic valve on the appendix, and the near outgassing end place is provided with spark arrester on the appendix, and the inlet end of appendix communicates with the biogas transmission pipeline network.
Described biogas combustion torch also comprises central controller, central controller is connected with the bottom of igniter head by the ignition signal cable, central controller is connected with distance host by signal-transmitting cable, and all overlaps in the outside of ignition signal cable, signal-transmitting cable cable sleeve is arranged.
Described central controller is arranged on the Torch support, and Torch support is arranged at the periphery of vertical appendix, and Torch support is connected with the outer wall of vertical appendix.
The height of described Torch support is more than or equal to 5 meters.
Described vertical appendix is connected with shower nozzle by adpting flange.
Compared with prior art, the beneficial effects of the utility model are:
1, igniter head top in a kind of open biogas combustion torch of the utility model is positioned at the side at shower nozzle top, this design not only can be guaranteed before igniting, biogas is difficult for mixing with air, and after igniter head is directly lighted biogas, burning is carried out in open hurricane globe, and unlike prior art, carry out at enclosure space, the design not only is difficult for setting off an explosion, and make more convenient, the safety of igniting, in addition, biogas directly burns at the shower nozzle top, it directly contacts with oxygen, can make burning more abundant.So not only higher, the convenient igniting of security of the utility model, and sufficient combustion, reduced the discharge capacity of methane.
2, the hurricane globe in a kind of open biogas combustion torch of the utility model is the cylinder-like structure of both ends open, the position at nearly its top evenly is provided with a plurality of combustion airs hole on the hurricane globe sidepiece, such design had both guaranteed that the biogas combustion oxygen supply was sufficient, can play windproof effect again.So the utility model oxygen supply is sufficient, has capability of anti-wind.
3, the magnetic valve in a kind of open biogas combustion torch of the utility model is by the cut-offfing of signal of telecommunication control valve, thereby control biogas gas line network is to the gas transmission of torch.When closed electromagnetic valve, burned flame burns downwards along vertical appendix, enters appendix again, then extinguishes under the effect of spark arrester.So the utility model is simple in structure, reasonable in design, control convenient, high safety.
4, the central controller in a kind of open biogas combustion torch of the utility model is used for the igniting of control torch and extinguishes, and also can be connected with distance host.Such design is convenient to realize the automation control of torch, and namely central controller receives the air pressure signal in the pipe network, when air pressure reaches certain value, opens magnetic valve, control igniting mounted point combustion torch, and when the pipe network internal gas pressure is lower than this definite value, shut electromagnetic valve.Central controller is connected with distance host, and distance host can be realized Real Time Monitoring to the status signal of torch.So the utility model can be realized Real Time Monitoring and automation control.
5, the Torch support in a kind of open biogas combustion torch of the utility model adopts tower structure, vertical appendix and central controller are had fixation, and the height of Torch support can be placed according to site requirements flexibly greater than 5 meters, biogas is burnt aloft, safer.So the utility model can arrange flexibly, combustion completion.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the cutaway view of hurricane globe among Fig. 1.
Among the figure: appendix 1, magnetic valve 11, spark arrester 12, vertical appendix 13, shower nozzle 14, adpting flange 15, drainpipe 16, draining valve 17, inlet end 18, outlet side 19, igniter 2, ignition signal cable 21, signal-transmitting cable 22, cable sleeve 23, igniter head 24, air inlet 25, igniter head fixed part 26, hurricane globe 3, combustion air hole 31, hurricane globe fixed part 32, central controller 4, Torch support 5.
The specific embodiment
Below in conjunction with description of drawings and the specific embodiment the utility model is described in further detail.
Referring to figure 1 – Fig. 2, a kind of open biogas combustion torch, comprise appendix 1, vertical appendix 13, igniter 2 and hurricane globe 3, the top of described vertical appendix 13 is provided with shower nozzle 14, shower nozzle 14 and igniter 2 all are arranged on the inside of hurricane globe 3, the bottom of vertical appendix 13 communicates with appendix 1, drainpipe 16 respectively, and appendix 1 is positioned at drainpipe 16 tops, and is provided with draining valve 17 at drainpipe 16.Described igniter 2 comprises ignition signal cable 21, igniter head 24, fresh air inlet 25 and igniter head fixed part 26, the top of described igniter head 24 is positioned at the side at shower nozzle 14 tops, the bottom of igniter head 24 is connected with an end of ignition signal cable 21, the sidepiece of igniter head 24 is connected by the sidepiece of duration and degree of heating fixed part 26 with shower nozzle 14, and the position near point duration and degree of heating 24 tops evenly is provided with a plurality of air admission holes 25 on igniter head 24 sidepieces.
Described hurricane globe 3 is the cylinder-like structure of both ends open, and the inwall of hurricane globe 3 is connected by the sidepiece of hurricane globe fixed part 32 with shower nozzle 14, and the position at nearly its top evenly is provided with a plurality of combustion airs hole 31 on hurricane globe 3 sidepieces.
The diameter in described combustion air hole 31 is 20mm, and the level interval between the adjacent combustion air hole 31 is 1.5 times of its diameter, and the vertical interval between the adjacent combustion air hole 31 is 0.5 times of its diameter.
The diameter of described hurricane globe 3 is 3 times of vertical appendix 13 diameters, and the ratio of the height of hurricane globe 3 and its diameter is 6:5.
Described biogas combustion torch also comprises magnetic valve 11 and spark arrester 12, and nearly inlet end 18 places are provided with magnetic valve 11 on the appendix 1, and near outgassing end 19 places are provided with spark arrester 12 on the appendix 1, and the inlet end 18 of appendix 1 communicates with the biogas transmission pipeline network.
Described biogas combustion torch also comprises central controller 4, central controller 4 is connected by the bottom of ignition signal cable 21 with igniter head 24, central controller 4 is connected with distance host by signal-transmitting cable 22, and all overlaps in the outside of ignition signal cable 21, signal-transmitting cable 22 cable sleeve 23 is arranged.
Described central controller 4 is arranged on the Torch support 5, and Torch support 5 is arranged at the periphery of vertical appendix 13, and Torch support 5 is connected with the outer wall of vertical appendix 13.
The height of described Torch support 5 is more than or equal to 5 meters.
Described vertical appendix 13 is connected with shower nozzle 14 by adpting flange 15.
Principle of the present utility model is described as follows:
Hurricane globe 3: it is the cylinder-like structure of both ends open, shower nozzle 14 and igniter head 24 all are arranged on the inside of hurricane globe 3, the top of igniter head 24 is positioned at the side at shower nozzle 14 tops, this design can guarantee that not only biogas, air were difficult for mixing before lighting, and can guarantee to burn and in open hurricane globe 3, carry out, when igniter head 24 is lighted biogas, be difficult for setting off an explosion; Simultaneously, igniter head 24, shower nozzle 14 all are arranged in the hurricane globe 3, and not only igniting is safer, quick, and burning more fully (upper and lower part of hurricane globe 3 with and the upper combustion air hole 31 that arranges can ventilation oxygen-supplying), windproof property be strong; In addition, directly in the burning of shower nozzle 14 tops, biogas directly contacts with oxygen biogas, and it is more abundant to burn.
Spark arrester 12: have another name called flame damper, the effect of spark arrester is to prevent that external flame from scurrying in the equipment that has flammable explosive gas, the pipeline or stop flame to spread at equipment, pipeline enclosure.After magnetic valve 11 cut out, because this moment, appendix 2 was no longer exported biogas, the flame of biogas combustion burnt downwards along vertical appendix 13, enters appendix 2 again, then extinguishes under the effect of spark arrester 12.
Central controller 4: the air pressure in the biogas gas line network is carried out Real Time Monitoring, when the air pressure in the biogas gas line network surpasses the igniting threshold values, central controller 4 sends start signal to magnetic valve 11, magnetic valve 11 is opened, then central controller 4 sends ignition signal to igniter 2, and igniter 2 is lighted torch; When the air pressure in the biogas gas line network was lower than the igniting threshold values, central controller 4 sent shutdown signal to magnetic valve 11, and magnetic valve 1 cuts out.Central controller 4 also can send to distance host with its status signal, by distance host the status signal of torch is realized Real Time Monitoring.Igniting threshold values behaviour worker sets, and value is different under different working conditions.
Torch support 5: adopt tower structure, to vertical appendix 13 and 4 fixations of central controller, the height of Torch support can be placed according to site requirements flexibly greater than 5 meters, and biogas is burnt aloft, has reserved enough safe distances.
Embodiment 1:
A kind of open biogas combustion torch, comprise appendix 1, vertical appendix 13, igniter 2, hurricane globe 3 and central controller 4, described vertical appendix 13 is connected with shower nozzle 14 by adpting flange 15, and shower nozzle 14 and igniter 2 all are arranged on the inside of hurricane globe 3; Igniter 2 comprises ignition signal cable 21, igniter head 24, fresh air inlet 25 and igniter head fixed part 26, the top of igniter head 24 is positioned at the side at shower nozzle 14 tops, the bottom of igniter head 24 is connected with an end of ignition signal cable 21, the sidepiece of igniter head 24 is connected by the sidepiece of duration and degree of heating fixed part 26 with shower nozzle 14, and the position near point duration and degree of heating 24 tops evenly is provided with a plurality of air admission holes 25 on igniter head 24 sidepieces; Hurricane globe 3 is the cylinder-like structure of both ends open, and the inwall of hurricane globe 3 is connected by the sidepiece of hurricane globe fixed part 32 with shower nozzle 14, and the diameter of hurricane globe 3 is 3 times of vertical appendix 13 diameters, and the ratio of the height of hurricane globe 3 and its diameter is 6:5; The position at nearly its top evenly is provided with a plurality of combustion airs hole 31 on hurricane globe 3 sidepieces, the diameter in combustion air hole 31 is 20mm, level interval between the adjacent combustion air hole 31 is 1.5 times of its diameter, and the vertical interval between the adjacent combustion air hole 31 is 0.5 times of its diameter; The bottom of vertical appendix 13 communicates with appendix 1, drainpipe 16 respectively, and appendix 1 is positioned at drainpipe 16 tops, and is provided with draining valve 17 at drainpipe 16; Nearly inlet end 18 places are provided with magnetic valve 11 on the appendix 1, and near outgassing end 19 places are provided with spark arrester 12 on the appendix 1, and the inlet end 18 of appendix 1 communicates with the biogas transmission pipeline network; Central controller 4 is connected by the bottom of ignition signal cable 21 with igniter head 24, and central controller 4 is connected with distance host by signal-transmitting cable 22, and all overlaps in the outside of ignition signal cable 21, signal-transmitting cable 22 cable sleeve 23 is arranged; Central controller 4 is arranged on the Torch support 5, and Torch support 5 is arranged at the periphery of vertical appendix 13, and Torch support 5 is connected with the outer wall of vertical appendix 13, and the height of Torch support 5 is more than or equal to 5 meters.
When mounted, Torch support 5 in the ground fixation, is connected the inlet end 18 of appendix 1 with the biogas transmission pipeline network, central controller 4 is connected with distance host, connect with the mains, the parameters of central controller 4 is debugged, set.
During use, air pressure in 4 pairs of biogas gas line networks of central controller carries out Real Time Monitoring, when the air pressure in the biogas gas line network surpasses the igniting threshold values, central controller 4 sends start signal to magnetic valve 11, magnetic valve 11 is opened, then central controller 4 sends ignition signal to igniter 2, and igniter 2 is lighted torch;
When the air pressure in the biogas gas line network is lower than the igniting threshold values, central controller 4 sends shutdown signal to magnetic valve 11, magnetic valve 11 cuts out, because this moment, appendix 2 was no longer exported biogas, the flame of biogas combustion burns downwards along vertical appendix 13, enter again appendix 2, then under the effect of spark arrester 12, extinguish.
In addition, central controller 4 can also send to distance host with its status signal, by distance host the status signal of torch is realized Real Time Monitoring.
The moisture that produces in the combustion process, most of form with steam enters air, and the fraction condensation flows to vertical appendix 13 bottoms along tube wall on vertical appendix 13 tube walls, so need to regularly open draining valve 17, vertical appendix 13 is carried out draining.In like manner, when running into heavy rain weather, close first the torch power supply, then open draining valve 17 drainings.
Claims (9)
1. open biogas combustion torch, comprise appendix (1), vertical appendix (13), igniter (2) and hurricane globe (3), the top of described vertical appendix (13) is provided with shower nozzle (14), shower nozzle (14) and igniter (2) all are arranged on the inside of hurricane globe (3), the bottom of vertical appendix (13) communicates with appendix (1), drainpipe (16) respectively, appendix (1) is positioned at drainpipe (16) top, and be provided with draining valve (17) at drainpipe (16), it is characterized in that:
Described igniter (2) comprises ignition signal cable (21), igniter head (24), fresh air inlet (25) and igniter head fixed part (26), the top of described igniter head (24) is positioned at the side at shower nozzle (14) top, the bottom of igniter head (24) is connected with an end of ignition signal cable (21), the sidepiece of igniter head (24) is connected by the sidepiece of duration and degree of heating fixed part (26) with shower nozzle (14), and the position near point duration and degree of heating (24) top evenly is provided with a plurality of air admission holes (25) on igniter head (24) sidepiece.
2. a kind of open biogas combustion torch according to claim 1, it is characterized in that: described hurricane globe (3) is the cylinder-like structure of both ends open, the inwall of hurricane globe (3) is connected by the sidepiece of hurricane globe fixed part (32) with shower nozzle (14), and the position at nearly its top evenly is provided with a plurality of combustion airs hole (31) on hurricane globe (3) sidepiece.
3. a kind of open biogas combustion torch according to claim 2, it is characterized in that: the diameter in described combustion air hole (31) is 20mm, level interval between the adjacent combustion air hole (31) is 1.5 times of its diameter, and the vertical interval between the adjacent combustion air hole (31) is 0.5 times of its diameter.
4. according to claim 1,2 or 3 described a kind of open biogas combustion torches, it is characterized in that: the diameter of described hurricane globe (3) is 3 times of vertical appendix (13) diameter, and the ratio of the height of hurricane globe (3) and its diameter is 6:5.
5. according to claim 1,2 or 3 described a kind of open biogas combustion torches, it is characterized in that: described biogas combustion torch also comprises magnetic valve (11) and spark arrester (12), the upper nearly inlet end (18) of appendix (1) locates to be provided with magnetic valve (11), the upper near outgassing end (19) of appendix (1) locates to be provided with spark arrester (12), and the inlet end (18) of appendix (1) communicates with the biogas transmission pipeline network.
6. according to claim 1,2 or 3 described a kind of open biogas combustion torches, it is characterized in that: described biogas combustion torch also comprises central controller (4), central controller (4) is connected by the bottom of ignition signal cable (21) with igniter head (24), central controller (4) is connected with distance host by signal-transmitting cable (22), and all overlaps in the outside of ignition signal cable (21), signal-transmitting cable (22) cable sleeve (23) is arranged.
7. a kind of open biogas combustion torch according to claim 6, it is characterized in that: described central controller (4) is arranged on the Torch support (5), Torch support (5) is arranged at the periphery of vertical appendix (13), and Torch support (5) is connected with the outer wall of vertical appendix (13).
8. a kind of open biogas combustion torch according to claim 7, it is characterized in that: the height of described Torch support (5) is more than or equal to 5 meters.
9. according to claim 1,2 or 3 described a kind of open biogas combustion torches, it is characterized in that: described vertical appendix (13) is connected with shower nozzle (14) by adpting flange (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220443764 CN202902295U (en) | 2012-09-03 | 2012-09-03 | Open type methane burning torch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220443764 CN202902295U (en) | 2012-09-03 | 2012-09-03 | Open type methane burning torch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202902295U true CN202902295U (en) | 2013-04-24 |
Family
ID=48122956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220443764 Expired - Fee Related CN202902295U (en) | 2012-09-03 | 2012-09-03 | Open type methane burning torch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202902295U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853437A (en) * | 2012-09-03 | 2013-01-02 | 武汉天颖环境工程有限公司 | Open biogas burning torch |
-
2012
- 2012-09-03 CN CN 201220443764 patent/CN202902295U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853437A (en) * | 2012-09-03 | 2013-01-02 | 武汉天颖环境工程有限公司 | Open biogas burning torch |
| CN102853437B (en) * | 2012-09-03 | 2015-08-26 | 武汉天颖环境工程股份有限公司 | A kind of open biogas combustion torch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102261664B (en) | Novel blast furnace gas diffusion and automatic ignition system | |
| CN201925935U (en) | Combustible gas combustion device | |
| CN104791811A (en) | Torch system | |
| CN202131322U (en) | Novel diffusing and automatic ignition system for blast furnace gas | |
| CN104748132B (en) | Lifting micro-positive pressure energy concentration maintenance type torch burner | |
| CN203927952U (en) | A kind of blast furnace gas diffusing automatic ignition companion burns device | |
| CN201209865Y (en) | Flare combustor | |
| CN105219900B (en) | A kind of blast furnace gas diffusing method and automatic control system | |
| CN104946833B (en) | Automatic ignition and combustion accompanying device for blast furnace and converter gas desorption tower | |
| CN202902295U (en) | Open type methane burning torch | |
| CN102853437B (en) | A kind of open biogas combustion torch | |
| CN105509055A (en) | All-weather windproof gas diffusion burner | |
| CN204254612U (en) | A kind of fully pre-mixing gas combustion burner of low nox emission | |
| CN202511298U (en) | Emergency vent torch burner | |
| CN202993264U (en) | Electronic ignition gun of low calorific value gas burner | |
| CN203421727U (en) | Vertical-type torch ignition device | |
| CN202188505U (en) | Regenerative blast-furnace gas diffuse combustor | |
| CN205227343U (en) | Burning furnace is burnt to gas -liquid | |
| CN211146514U (en) | High-altitude igniter for torch burner | |
| CN205316319U (en) | Biomass gas combustor | |
| CN208308677U (en) | A kind of separate type multiple spot Hybrid Heating welding gun | |
| CN207849421U (en) | A kind of detonation ignitor | |
| CN203336638U (en) | Vertical torch ignition device | |
| CN101696805A (en) | Low heating value fuel windproof igniter burner | |
| CN202973087U (en) | Direct-fired ignition accompanying burning apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WUHAN TIANYING ENVIRONMENTAL ENGINEERING CO., LTD. Free format text: FORMER NAME: WUHAN TIANYING ENVIRONMENT ENGINEERING CO.,LTD. |
|
| CP03 | Change of name, title or address |
Address after: 430205 Wuhan, East Lake Province Development Zone, Buddha Road, No. three, No. 29, No. Patentee after: WUHAN TIANYING ENVIRONMENTAL ENGINEERING CO., LTD. Address before: The special industrial park, No. 1 East Lake New Technology Development Zone Xiongchu bear Tsui 430074 Hubei city of Wuhan Province Patentee before: Wuhan Tianying Environmental Engineering Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20160903 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |