Furnace Improvements


Furnace Improvements
Furnace Improvements is listed in the Furnace Repair category in Sugar Land, Texas. Displayed below are the social networks for Furnace Improvements which include a Facebook page, a Linkedin company page, a Twitter account and a YouTube channel. The activity and popularity of Furnace Improvements on these social networks gives it a ZapScore of 48.

Furnace Improvements offers Furnace Repair services in Sugar Land TX.

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Furnace Improvements Services Inc. added 29 new photos.
New Damper Design Improves Draft Control in Fired Heaters Fired heaters are major consumers of energy in the Refining and Petrochemical Industries. Almost 40 to 70% of the total energy consumption in a refinery or petrochemical plants is in fired heaters. Refineries in the USA spend upward of $2.5 Billion per year on the fuel bill. While most of the plant operators and engineers are aware of the importance of controlling Excess Oxygen in the fired heaters, the draft control in fired heaters is often over looked. Most of the heaters are operating with very high draft. The average draft in the fired heaters maintained is at almost 3-4 times the value recommended. This has happened over the years as the not much attention is paid to the design and operation of stack dampers. Most of the stacks are sized for summer ambient temperature and 115% load. The damper loss considered in design is 1.5 velocity heads although fully open damper consumes only 0.5 velocity heads. Stack heights are also controlled by the pollution considerations. Stack diameters are dictated by structural considerations. As a result of the oversizing, the damper ends up consuming lot more pressure drop during the actual operation. The stack damper could be operating at 40-50% open at full loads. The heater gains draft in the night due to lower ambient temperatures and it could mean another 0.1 inch WC of draft or more. This means that the stack damper should be controlling draft accurately during the day and night cycle. Most of the dampers are kept fully open all the time. This type of operation causes considerable loss of energy and inefficiency. We have developed a new type of damper design for controlling draft in the fired heaters. Our patent pending damper design has multiple pneumatic operators for controlling the stack damper. Typically two operators will cover most of the range but in some very large dampers, we may recommend installing 3 operators. By installing multiple operators, we are able to change the control characteristics of the damper itself and damper can work smoothly from 50 % to 115% load without any issues. We are enclosing a presentation for your information. It is possible to save substantial amount of energy by improving the controls. We can take care of tramp air by operating the heater at correct draft. We have a developed a very Rugged and Reliable Damper Control System which can be used by itself or can be integrated with draft control system. Please contact us if you have a heater with draft or tramp air issues and we can provide you with a no obligation estimate for modifying or replacing your existing damper.

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Furnace Improvements designed this high efficiency hot oil heater in a very limited plot space. FIS developed a unique design of slip stream air preheater using the hot oil that is circulated in the system. The heater also has an inline SCR system in the convection system. Furnace Improvements installed burners using their patented inclined firing system. This system will eliminate any flame impingement and keep the hot oil film temperature very low.

New Hot Oil Heater: youtu.be/iNks4GEsHlE?a

Burnt out finned tubes from one of the heaters

API-Fall Refining Meeting in New Orleans I just came back yesterday from the API Fall Meeting in New Orleans. API Sub Committee of Heat Transfer Equipment holds the meetings twice a year. I have been attending them for almost 25 years. This time I attended a meeting on API-560, API-536 and API-535. Here is a brief update: API standard 560 is for Fired Heaters in General Refinery Services. It is currently in 5th Edition. A couple of years ago, some clients complained that heaters built to API-560 have been having problems of high tube metal temperatures and flame impingement. API sub committee set up a task force to study this problem and provide feedback and recommendations. The task force has been examining the issue and has hired a third party CFD modeling company to carry out CFD Modeling of 100 MMBtu/hr heater with different design parameters and carry out analysis. I expect that this work will take another couple of years before it reaches the users in the form of standards. API-536 standard covers Post Combustion NOx Control in Fired Heaters covering mainly SCR and SNCR systems. The standard is being revised for 3rd edition and many improvements are being made to the standard. API-535 standard covers Burners for Fired Heaters. This used to be recommended practice and it is being converted to a standard. We expect major improvements and additions. The taskforce had its first meeting and it is expected to continue for another couple of years before the standard takes a good shape. Next API Meeting will be held in Las Vegas from May 8-11, 2007. We expect to be there.

Furnace Improvements Services Inc. added a life event from September 12, 2016: AFRC-2016.
I presented a paper at the AFRC conference in Kauai, HI. This was my second year at the AFRC Conference. This year the attendance was thin due to corporate cuts. There were 52 attendees and 26 papers. My paper at the conference is enclosed for the review.