To enhance traction use a variety of devices and gadgets. The complexity of the chosen options directly affects the price. Agree, you always want to get good quality equipment at the lowest cost.
The most cost-effective solution - make the deflector to the chimney with his hands. The design is extremely simple, and the efficiency of its use is difficult to overestimate.
We'll tell you how the device and explain how it works. And also give step by step instructions to build and install a simple deflector. The above information we have added visual photographs and videos that demonstrate the nuances of construction and installation of the ventilation hood.
The content of the article:
What is the vent?
- The need to use a deflector
- How does a reflector?
- The operating principle of the ventilation hood
- Do it yourself or buy the device?
Fabrication and installation of the deflector
- The order of assembly of the ventilating element
- Installing the deflector on the roof
- Errors and problems on the device
- Conclusions and useful videos on the topic
What is the vent?
The device used to gain traction applied universally. The end of the chimney, as a rule, is made a cap of some form. And not a simple cap to protect against birds, butterflies, leaves and other flora and fauna.
This product has a definite structure, and plays the role of the thrust of the amplifier, which has a positive effect on fuel consumption.
The need to use a deflector
Baffles offered on the market of building materials have different shape, size. The material from which they are made, is also different. This may be plastic, galvanized steel, stainless steel and other alloys. The scope of application of the device is also very broad.
Varieties amplifiers traction for installation in chimneys for private and collective use of different appearance, material and manufacturing cost of the product.
Deflector for the flue performs two important functions: to protect the canal from precipitation and increases the thrust. The easiest option resembles an inverted bowl
Grigorovich improved design significantly enhances traction. Once in the narrowed channel, smoke stream is condensed and bumping into the cap creates a strong swirl
Deflector TsAGI in diameter larger than the chimney. Wind, bumping into the chimney moves upward along the tube and into the chimney located around the hole. Along the way he picks up the smoke, like "squeezing" it from the flue gas system
Turbodeflektor suitable for installation on large cross-section pipe. Its design enhances traction even in malovetrenny day
The devices made from the pipe in the form of letters H, put on the tube in the regions with high wind load. Smoke from the tube because of it is discharged via three channels
Several "strung" at each other canopies word and use the slightest breath of wind. The best option for regions with low wind load
Metal caps for pipe brick chimneys mainly protect from atmospheric moisture. In the example of the umbrella mounted on the shaft and with ventilation chimney
For roofs with wood, straw and reed coating for roofing asphalt and polymer produced deflectors with a spark arrester, preventing the possibility of fire
Deflector plate to the chimney
Structure for Grigorovitch chimney
TsAGI deflector for arranging the chimney
Rotating the rotary deflector
H-shaped deflector for windy areas
Weathervane apparatus for removing smoke
Volumetric brick chimney hood
Deflector with spark arrestor for flammable roofs
The deflector is used for gain traction in the air ducts, Chimneys.
Depending on the destination, release the product for installation on:
- air ducts;
- ventstoyaki sewer;
- piston aircraft engine (cooling system);
- other systems.
This device is used for chimneys, located on the roofs of both houses, and baths, garages and other facilities, which are heated by the boiler.
The main thing that safety has not been prohibited from establishing such additional devices on the tube. Moreover, there is no difference, it is a collective chimney or individual.
Deflectors are allowed to install on the chimneys as a single and multi-storey buildings in the old buildings and houses in new buildings
The main functions performed by the deflector, put on the chimney:
- gain traction;
- protection against sparks;
- preventing ingress party objects and living creatures in the flue pipe;
- It serves as a kind of substitute additional tube segment;
- It protects the inner tube from breaking.
It turns out that the deflector is a very useful tool. The only thing you need to take into account the individual characteristics of the boiler, installed in the home / bath and the material, which is covered by a roof.
Picking model deflector primarily take into account the type installed in the boiler house
Special requirements for installation deflector for gas chimneys. In some models of units is strictly contraindicated install any devices on the chimney.
How does a reflector?
Deflector means "reflect", "reject" that fully describes its capabilities. He is, depending on the model, can be composed of different parts.
The main components of the device:
- lower cylinder;
- upper glass;
Inlet or lower cylinder direct contact with the flue pipe. It is made from sheet metal. It may also be of asbestos cement pipe or ceramic pipe.
diffuser structure scheme is dependent on the specific model and differs detail. This is clearly demonstrated in the picture (+)
The upper cup extends at the bottom. To attach it to the cylinder, use a special rack. The upper and lower cylinder to change the wind direction makes the ring opening.
Cap, umbrella or pommel - all name the top of the diffuser. It can take many different forms - a semi-circular, flat, with lid, gable gabled surface.
The operating principle of the ventilation hood
The deflector is able to bow out from the slightest exposure to wind on it. Moreover, it is not simply deflected to the side, but is set to ensure the most favorable conditions for the removal of combustion products through the flue pipe. The main thing is that the wind does not interfere with this process.
The principle of operation of the deflector lies in the fact that it is installed on the tube, the smoke outlet, and prevents the free movement of air masses. The wind has to go around the obstacle.
Moreover, rounding roof device, it is accelerated and in this place is created vacuum / low pressure area. It allows thrust in the chimney to increase by at least 11-20%.
Flows of cold air and hot gas stream removed through the chimney in the winter time can seriously disrupt the chimney system if not properly set the deflector
Depending on the type of wind, walking over the roof, the air flow can behave differently.
- the wind is blowing the pipe from the top down - in this case the gases are sucked through the lower openings;
- wind blows deflector bottom-up - air masses pass through the upper circular hole;
- Air masses move horizontally - immediately engaged upper and lower row of holes.
The second option is the movement of the wind unfavorable. In this case, an umbrella baffle in the chimney reflect the wind in the opposite direction to the combustion products.
If everything is set correctly, any frost will not affect the operation of the chimney, and the pommel of the deflector will protect it from heavy rains
To wrap this situation to their advantage, using another cone which has the same size as the main. They are interconnected bases. It follows that an umbrella deflector consists of a 2-cones, the tip of which is directed in opposite directions.
Do it yourself or buy the device?
The question of the advisability of purchasing the deflector care thrifty homeowners. This is not surprising, because the most simple device costs about 17-18 dollars. The average price at purchase of 45-60 dollars.
Flyugarok options offered by manufacturers and private firms, are very diverse. Some models are made so skillfully that look like a work of art
In this case, make the instrument will not be difficult. And the aesthetic component should not always come first. Sometimes it is necessary to vent the boiler chimney, heated garage, or other utility room.
The cost of the simplest options deflector starts from $ 17. To buy model Khanzhenkova, or TsAGI Wolpert Grigorovich-galvanized steel need to 50 dollars. Moreover, it can be factory manufactured articles or artisanal.
From the manufacturing method does not depend on the efficiency of the device. The most important thing to choose the correct diameter of the product and the appropriate model, capable of satisfying the needs of a particular chimney.
When you purchase should pay attention to the characteristics of the deflector:
- material type;
- metal thickness;
- nozzle diameter for attachment to the chimney pipe.
Also, manufacturers offer stainless steel versions. They differ in value - the price of stainless steel rotary models can reach $ 140 or more.
The most common deflectors used for chimneys in private homes, cottages, bathhouses: TsAGI, round "Volper," H-shaped, star-shaped "Shenard" Grigorovich and outdoor Astato.
For chimneys on the roofs of houses, which are located in areas with gusty winds, often choose n-type variants of deflectors
Buy or build a power thrust - will decide individually. For fans something tinkering around the house is a job to be enjoyable and interesting pastime.
If there are no tools and skills of the work on the house, it is easier and more convenient to buy the finished product, to choose the most suitable model, which will not fit into the overall picture of the roof.
This is not a problem to choose the model deflector capable blend in with the roof track
When buying or self-manufacture of devices is important to consider the roof covering material. If this is a flammable material, it is necessary to provide for the presence of spark arrester. This is an important point, ensuring the safety of all members of the family living in the house.
Fabrication and installation of the deflector
Deflector tested in action more than one generation of owners of houses / cottages. Its efficacy is proved repeatedly, it is not surprising that the device is in demand. And demand, in turn, creates supply.
The price of such proposals can sometimes biting - $ 140 for a simple device is ready to give every zealous owner.
The simplest design of deflector for the flue is a metal cone, coupled to the clamp metal stud
The diameter of the collar in the closed position must be equal to the diameter of the pipe, which will be attached to the device
The diameter of the cap, which protects the chimney by precipitation should be 5 - 7 cm larger tube diameter
The distance between the upper edge and lower edge of the collar of the umbrella must be at least equal to its diameter
The design is simple deflector
The diameter of the clamp device
The diameter of the chimney cap to protect
The height of the hood extend above collar
The order of assembly of the ventilating element
It is much cheaper to build deflector from scrap materials. Especially if there is a desire to build something useful with their own hands. The entire device manufacturing process takes 2-3 hours - the time depends on the skill and collecting skills.
The process of making a reflector, enhancing traction, with their own hands, includes the following stages:
- create a drawing;
- make the preform;
- gathering device;
- Install and fix it on the chimney.
The first stage of the creation of the drawing is best done on paper. To do this, it is important to calculate the diameter of the nozzle and the diameter of the cap. Also, the height of the deflector.
There are special tables that shows the dimensions of the diffusers for the most popular pipe diameters. If the chimney custom, the calculation to be done independently (+)
To avoid mistakes, it is possible for their calculations use conventional formulas.
The main role is played in the calculation of the inner diameter of the chimney pipe:
- height= 1.6-1.7 * diameter;
- the width of the diffuser= 1.2-1.3 * diameter;
- the width of the hood= 1.7-1.9 * diameter.
When a formula, remains properly measure the inner diameter of the pipe in the chimney and substituting the obtained value. Knowing the size, you are ready to spray billets circuits on paper.
Best of all, after creating a drawing of a prototype of the finished paper products. So will more clearly the possible errors and omissions. If there are not, then you can proceed to the second stage - the creation of real workpieces of metal.
In the process of prototyping parts of the future of the deflector is best to use paper. If something fails, you can always correct his mistake
As the sheet material may be galvanized or stainless steel with a thickness of 0.5-1 mm. Sometimes you can see the view that the deflector is best to use copper.
This statement has the right to life, if the garage or workshop accident there is an unnecessary sheet of copper. Otherwise, such an expensive purchase not justified. And the service life of stainless steel can not be called short, to neglect this material.
When the workpiece cut with scissors, metal from the prepared sheet, it is possible to proceed to step product assembly. You can use the Riveter and drill or welding. When working with welding need to be extremely careful not to accidentally burn a section of the future of the deflector.
If you plan to use rivets, the allowances on the connection between the components can be done easily on prokatochnom machine. If it's not, then it will fit a hammer. Making allowances, to be smoothly connected to each other parts, drill to make holes and put the rivets.
Legs for fixing the cap to the base of the deflector are mounted at equal distance from each other
The cap will secure the legs to the base, which also are drawn and cut from stainless steel sheet / galvanized.
All parts of the product are connected together with rivets - this is the fastest and most secure way to mount. To work with welding need skills and look such a product will not be as attractive
When the 3 rd stage is over, and home-made ready, you can start last and most crucial moment - installed on the chimney.
Installing the deflector on the roof
The last stage of manufacture of the deflector on the flue pipe is its installation location for permanent - on the chimney. Put yourself can be both self-made instrument, and the purchase structure. There is no difference - still have to climb onto the roof.
To avoid problems with the installation, even the purchase model, going in parts, you need to collect at the bottom securely fixing all fasteners. Only then can you take the necessary tool and sent to the chimney.
Depending on the type of pipe, which acts as a chimney to be different mounting options. Sometimes it is enough to use a few screws or additionally put a collar
When installing a deflector on the flue pipe must carefully drill holes for fastening. Then remain securely screws or rivets and check to see if the specified device is tilted in different directions.
If it is loose, you can additionally put a collar. This option is suitable if the chimney is not bricked.
For masonry with a square or rectangular cross-section of the chimney will have to use a special adapter. When the work is finished, one can experience in the action set their own hands deflector, lit the stove / include heating boiler.
Another important point - the spark arrester. Needed or not - look at a particular house. Can make your own spark arrestor of stainless steel sheet or metal mesh.
If the roof cover is soft and can easily catch fire, then for additional protection from sparks emitted from the chimney at the heating boiler, it is important to take care in time
Errors and problems on the device
With the deflector, as with all appliances, there may be trouble. One, is the biggest and it is preventable - not work properly. So what happens if the device has been chosen the wrong size. It could simply fall into the flue tube, closed path for the exit of combustion products.
To avoid this situation, it is necessary to note that the diameter of the vent pipe must be equal to the internal diameter of the flue pipe.
If the brick chimney, and adjustable device has a circular cross section, do not dispense with the respective adapters.
If the vent tube slightly smaller than the diameter of the chimney pipe, that can be used as a seal wire which Mota's base, thereby increasing the outer diameter
The second error when installing baffle - a rotating selection of models for regions with cold and snowy winters. Such a decision fraught with icing device, and after a few days he will bring snow and not just stop spinning, but would substantially interfere with the normal operation of the chimney.
To clean all by removing snow from the ice have to climb onto the roof, but it's not the most pleasant experience on a cold and snowy day.
The third trouble - the inefficiency of the deflector.
The problem may occur if incorrectly chosen installation location or model:
- the housing badly blown by the winds of various directions;
- in terrain with gusty winds will be more effective H-shaped baffle;
- You need to avoid installing the device in a wind shadow zone of trees and higher structures that are close;
- the device should be above the ridge of the roof and above the other buildings, if they are present next to the chimney.
If deflector proved ineffective, it is necessary to look reverse thrust causes chimney.
The fourth problem - Faulty rotating models. The fact that the mechanisms for rotation, require maintenance. More precisely, we must not forget the periodic maintenance parts deflector time lubricated bearings.
If the device was made with his own hands, and the material used in this case turned out to be a cheap and low-quality, all can very quickly rust. In this case, it will soon have to replace a new deflector.
To spot this kind of problem, you should periodically conduct a visual inspection of the roof, the chimney cap installed and weathervane
Another problem is when the deflector is installed instead of a simple cap. It can be buried ice and snow. It will have to be eliminated. Dangerous, if such a situation occurs at night and all of the combustion products remain in the house. It is fraught with fatal consequences for all households.
Therefore, we must immediately put the deflector and experiment with different visors, caps. If there is no desire to build an amplifier from scrap materials, you can always buy your favorite model and self-install the chimney.
Taking care of the normal operation of the boiler and efficient removal of the combustion products must still heating at the design stage. Useful information on the construction of the chimney is presented in this article.
Conclusions and useful videos on the topic
How does the deflector capable to extinguish sparks, described in the video clip:
Stepping manufacturing deflector TsAGI in the home without special equipment shown in the video:
Calculation, manufacturing and testing in action personally made the deflector shown in the video clip:
A detailed video about the production of the deflector to the chimney with explanations and a clear statement of each action:
you can use on their own having studied in detail the question of assembly and installation of the deflector for protect your chimney from unwanted interference in his work and various wind and rain garbage. Also, this simple device will help to increase traction.
Do you have personal experience of the construction of the deflector to the chimney? Want to share practical knowledge or ask questions on the topic? Please leave your comments - feedback form located below.