LED spelling accepts the impact of naked-eye 3D display technology impact

In 2014, based on the new generation of OPEN-3D (naked eye 3D) technology, LED splicing naked eye 3D display mature commercial, breakthrough lenticular grating LED splicing naked eye 3D display as a new technology debut, immediately became the focus of the industry. The vast number of manufacturers in the market are also facing the competitive impact and pressure of technological innovation. Under the tide of 2D splicing to 3D splicing, how to advance and retreat has become an urgent consideration for relevant manufacturers. LED splicing naked eye 3D display technology will be triggered by the four major market changes and industry trends. First, the screen makers diversified and expanded by the LED splicing naked-eye 3D display technology, the first to bear the brunt of the traditional 2D display technology screen suppliers, as the market is more inclined to content differentiation, image personalization needs, More or less turning to naked-eye 3D technology will inevitably affect the traditional business of traditional 2D suppliers. Therefore, in the face of such a positive and strong attack, most screen suppliers need to change the direction of the product line strategy, face challenges in a diversified and differentiated form, and cooperate with LED splicing naked-eye 3D display manufacturers and institutions. Product line, keep the competition energetic, and keep pace with the times. Second, the emergence of one-stop service for advertising service providers In addition to screen suppliers, the advertising industry that pursues creativity, innovation and differentiation will also be inspired and dawned. Wenming Marketing Planning and Communication Agency is the first one-stop service provider in the industry to integrate LED splicing naked eye 3D, 4K ultra high definition lenticular raster display and 3D naked eye 3D video planning and production, and naked eye 3D technology content service. First, lead the domestic advertising industry to accelerate towards the naked eye 3D creativity. In the pursuit of new advertising, more and more advertising agencies began to attach importance to the expansion of naked eye 3D technology related resources, I believe that in the near future, more novel naked eye 3D display cases will be presented to everyone. Third, the new opportunity for offline advertising media/platform leaps in the face of low-cost, wide-ranging online media, offline advertising platform can be said to have been far from the glorious era of the past, most offline platforms have become a business The edge platform that tastes tasteless and is a pity. According to marketing industry experts, the rate of return on naked-eye 3D advertising can be increased by 5 times! This is a delightful number for both the advertisers and the offline advertising media platform. Compared with the traditional 2D and glasses 3D propaganda, the naked eye 3D can integrate the image differentiation and strengthen the audience memory. The depth is not affected by equipment (glasses, helmets, etc.), and the rate of return is high. At the same time, because of the high concentration of information and the distraction of the audience, the online advertising channel has also led to the naked-eye 3D technology of the offline advertising media platform, which has made the opportunity to leap in the advertising platform. In particular, large outdoor wall, bus and subway advertising, large-scale exhibitions, new product launches and other platforms can achieve more shocking and attractive advertising formats through LED splicing naked-eye 3D technology. Fourth, the naked eye 3D forced the traditional 2DLED splicing screen price decline to face the naked eye 3D technology debut, the traditional 2DLED splicing screen supplier's living space will be further compressed, while the merchants in order to maintain sales, inevitably need to reduce the 2DLED The means of splicing the price of the screen to continue its competitiveness, which also contributes to the further subdivision and expansion of the entire industry.

Service Scope: Steam Turbine spare parts supply; steam turbine installation, inspection & overhaul, technological upgrading, turbine technology training, turbine low oil pressure renovation, turbine rotor shaft bend restoration, lower turbine`s vibration and noise, remove speed governing system abnormal volatility or load swing, solve turbine insufficient output, discontent load or other common/exceptional faults.

  Contract to overhaul and all kinds of turbine`s remould, turbine dynamic balance and so on, for satisfying practical operation requirements.

   Provide technical support and service for operation, inspection, maintenance, accident treatment and so on.

1. Steam Turbine Maintenance/Overhaul Service


   Steam turbine normal overhaul, failure treatment; main body components repair, heat exchange tubes of cooler replacement and so on.

2. Technical guidance

   Generating or Industrial driving turbine inspection, overhaul, upgrading and other items technical guidance.

3. Thermodynamic System Optimizing Services

   For operating or planning projects or equipment, according to end users` actual CHP(or heat-work cooling) requirements, make cycle efficiency analysis, provide system optimizing service.

4. Speed Governing System Remould


   Upgrade old hydraulic governing system to digital electro-hydraulic governing system, satisfy flexi-ble configuration all kinds of control strategy requirement.

5. Flow Passage Optimization and Modification

Total modification for steam turbine shall increase old turbine`s economic efficiency with advanced technology, service life also shall be extension.

6. Turbine Parameters Remold and Modification

Apply to processing or procedure transformation (or project site change) cause turbine operation parameters` change.

7. Uncontrolled extraction steam reconstruction

Consideration of turbine security and economic, open a hole for extraction steam normally in order to heat supply reformation.

8. Steam Turbine Engineering Service

Provide small & middle size Steam Turbine Generator or industrial steam turbine complete set engineering, project design and project installation service.

9. Vibration Analysis and Rotor Dynamic Balance

24Hours Service for emergency vibration analysis and wide range rotor dynamic balance service at project site or back to factory.

10. Condensing (extraction condensing) type remodel to back pressure type

Condensing (extraction condensing) steam turbine remodel to Back Pressure Steam Turbine

11. Steam Turbine Vacuum System Upgrade

Condenser three-dimension design and upgrade, reduce heat-transfer temperature difference, increase steam exhaust vacuum degree, improve turbine economic efficiency. Water cooling remodel to air cooling.

12. Steam Turbine Enlargement Capacity Reconstruction

Reconstruct the turbine`s capacity which are caused by system or equipment changing.

13. Motor Speed Governing Variable-frequency Remould


 Variable-frequency drive remould for pump systems of all kinds of industrial and mining enterprises.

14. Domestic Equipment Reconstruction

Domestic equipment reconstruction for imported turbine

15. Circulating Cooling Water System Optimization and Modification

Optimization and modification of operating circulating cooling water system, reduce operation energy consumption rate.

16. Waste Heat Steam Turbine Gland Seal System Upgrade

After upgrade, steam leakage ( effect gear box oil quality) shall be improved by the reason of waste heat parameters are not stable.

17. Spare Parts Marketing

Normal easily damaged parts warehouse, shorten delivery time.

Case 1

   A fertilizer company has 2 sets of steam turbine, model are: CB6-3.43/1.27/0.294 and CB6-3.43/1.17/0.294. Because end user`s power load and steam consumption are changed, the turbines must be reconstructed according to steam parameters, flow change and guarantee high efficiency.

   Remould Parameters: turbine max. inlet steam is 100t/h, when inlet steam is 97t/h and inlet pressure is 3.15MPa(g), its extraction steam is 62t/h extraction pressure is 1.51MPa(g), exhaust pressure is 0.21MPa(g), guarantee output is 5800KW (deviation±5% ).

   Main job of remould and overhaul:

   1. Casing was sent back to manufacture`s factory for rebuilding 2 valve seat hole, expand nozzle block steam passage.

   2. Change nozzle block, take out guide blade carrier.

   3. The original double row governing stage impeller and blade was changed to single row governing stage impeller and blade, add governing stage sheath, parts of rotor sleeve need to be changed and adjusted.

   4. LP stage 3rd diaphragm steam passage inspection optimization.

   5. Casing and rotor dismounting and assembling in factory with comprehensive inspection.

   6. Rotor low speed dynamic balance test.

   7. Governor static test in factory, overspeed test.

   8. Dismount & assembly, overhaul at project site.

   9. Clear incrustation for steam governing valve, nozzle and blade.

   10. Gland seal inspection and replacement, gland sealing clearance adjustment, change the seal block which was severe wear, spring leaf which are damaged should be changed.

   11. Every bearing repair and adjust.

   12. HP & LP governing steam valve grinding, stroke adjustment.

   13. Front bearing pedestal dismounting and inspection, patch oil leaking points.

   14. Inspection and patching steam leaking of HP steam governing valve link rod.

   15. Turbine mainbody troubleshooting.

   After remolding is complete, the 2 turbine sets are running very well.

Case 2

There is a paper mill which has a set of steam turbine: B6-3.43/0.981. Due to processing consumption in workshop and load were changed, the end user request reset new back pressure and achieve the best efficiency within the shortest time.

   Parameters reform to: when rated inlet flow: 55t/h, inlet pressure: 3.43±0.2MPa(a), exhaust pressure: 0.59MPa(a), steam rate guarantee value must be 11.65kg/(kw·h), output power must be 4700KW under rated working condition. The reconstruction project is a turnkey project, from preparing components to dismount heat material, equipment dismounting and installation, till to equipment commissioning successfully.

   For reducing the work amount, keep casing and pipelines still, main jobs are following:

   1. Change front & rear gland seal and diaphragm seal.

   2. Change main shaft assembling (keep mail oil pump and coupling still).

   3. Change HP nozzle block, HP guide blade carrier and original 2 stage diaphragm, add 3 stage diaphragm, 5 stage diaphragm adopts special design for satisfy the requirement.

   4. Change the original 3 stage impeller and add another 3 stage impeller.

   5. Steam governing valve link rod adjust inlet steam, check all butterfly valves matching conditions, improper ones should be changed.

   6. Original rotor`s coupling, MOP shall be mounted in new rotor.

   7. Rotor balance.

   8. Change sylphon of governing system.

   9. Change pressure transducer sleeve, adjust hydraulic servo-motor stroke.

   10. Governor static test in factory.

   11. Clear oil system.

  The reconstructed steam turbine is B4.7-3.43/0.59, end user evaluates steam rate, vibration, exhaust temperature very strictly, but the reconstructed steam turbine is running very well and fully meet the design performance.

Steam Turbine Care

Steam Turbine Care,Steam Turbine Services

Shandong Qingneng Power Co., Ltd. , http://www.qnpturbines.com