For owners of industrial, warehouse or other premises with irregular or problematic heating, it is very important to have an alternative source of heat. Heat guns are well suited for these purposes. Such installations are very convenient to use for drying garages or basements, which are exposed to moisture in the spring. In addition, heat guns are often used in construction and agriculture. With their help, the room can be heated, dried painted or plastered walls. Heat guns are used to maintain the required temperature on farms, granaries, etc.
In simple words, a heat gun is a fan that does not produce cold, but warm air due to special heating elements. This unit received its exotic name "cannon" due to its similarity to a military weapon.
How to make a heat gun yourself
The heating gun is a compact home heating device that anyone can design. The most important point in design is compliance with safety and assembly principles. In order to make a thermal cushion, it is necessary to determine its future components. To make a heat cushion, you will need the following components:
- metal spiral;
- copper wire;
- small fan;
- cable for connecting to the mains.
The metal spiral can be taken from an old kitchen electric oven, then the length of the spiral will need to be shortened using pliers or pliers. This procedure is needed to reduce the current resistance. Thus, the efficiency of the future heating structure will increase significantly. The next question is how to make a heat gun yourself - it will not cause difficulties for you. We wind the copper wire onto the spiral, after which we attach the fan to one of the ends of the spiral. An important nuance is that the spiral from one end, where the fan will be placed, should not be wound up to the end. (See also: Diesel, crucible, rotary, touring and rotary kilns)
There must be two separate power supplies for the spiral and the fan, otherwise a banal short circuit will occur. The final stage of design is to connect the wire from the spiral to the power grid, and now the design is ready for successful work.
A heat pad is an economical and affordable heating medium. Of course, this heating method is far from ideal, but it is quite acceptable for everyday use. The duration of the use of the thermal cushion depends on the room temperature. Considering the modern cost of a fireplace, an independent heating device that can be designed with your own hands is a completely acceptable solution of our time.
Since the heating season in most cases is rather short, therefore, buying a fireplace, which later, after a short use, will simply stand, is not a completely cost-effective solution. A homemade heat gun is easy, simple and affordable, and most importantly effective. It practically does not require material costs, and the use of electricity is easily comparable to a fireplace with an average thermal power. It is very important that the heating device is located in a sufficiently insulated place and there should be no flammable materials near it.Observing the elementary safety rules that everyone knows, you can provide yourself with a safe and quite comfortable heating. (See also: How to choose a heater for your home)
The heat gun has many variations, including when using a gas mixture. This option is mainly used to increase the efficiency of thermal heating of a room, when the square area is significant and in this case, a powerful energy unit is simply needed.
A home-made gas heat gun is exactly the solution that will ensure the heating of the room properly, while it does not require practically material costs for design. To design a gas cannon, it will be necessary to find a large-diameter metal pipe and make a large hole at the top of the pipe. The gas will actually go out through it. Then it will be necessary to mount a combustion chamber in the pipe, the general plan of the structure is freely available on the Internet. Therefore, there will not be any difficulties to figure it out.
There is one very important nuance that is of paramount importance, and in most cases little attention is paid to it - this is the tightness of the fuel chamber. From a practical point of view, an incompletely sealed or poorly sealed fuel chamber does not represent an ultra-high source of danger, since the fan still sets the desired direction for the gas. The main disadvantage is a significant decrease in the efficiency of the unit functioning, that is, material efficiency is partly lost. (See also: Heating batteries)
Why electric
It is possible to make both a gas and any one that runs on liquid fuel, for example, a diesel installation for heating, but to do it efficiently, and at the same time, not everyone will be able to get enough power, especially taking into account all safety rules.
If you try to assemble a gas installation, then there is a very high risk of explosion or fire. The same can be said for diesel cannons. In addition, you will need to constantly think about refueling the unit and monitor their use, and compliance with fire safety standards.
And the manufacturing process, for example, of a gun that heats a stream by burning gas, will require at least quite serious skills in assembling such units.
Mains powered cannons have no open flames, no combustible fuel, and the risk of fire is minimal. If there is a possibility of malfunctions, then they will all be associated with the electrical part, so knowing everything about electrical engineering is a prerequisite for self-assembly.
Electrical models are much easier to assemble, but this does not mean that you can do without specific skills and experience in assembling such structures. In addition to the fact that assembly requires the ability to handle a variety of tools, you need to have sufficient experience, or work under the guidance of a person with such skills.
If there is no experience in the construction of such installations and there is no knowledge related to electrical engineering, then you cannot even undertake the construction of such a unit!
The main provisions of the design of a heat gun
To design a heat gun yourself, you need to find a large diameter pipe. Then make two holes a little on two ends from opposite sides: one of a large caliber, the second of a small one. The final products of combustion will come out through the large one, fuel will flow through the small one. Then it is necessary to install a combustion chamber with an automatic catalyst, which will bring the gas mixture into a burning state. It is very important to maintain a high degree of tightness throughout the structure in order to avoid leakage.Then you need to connect a fan to the end of the pipe, where the small-caliber hole is located, and the structure is ready.
How to make an electric heat gun - this question is not difficult, the main thing is to properly observe the safety rules when using it. This position is especially important for a tank with a gas mixture, it must be at least one meter away from other objects in the room. If possible, it is advisable to temporarily remove highly flammable materials while using the homemade heating device. Because warm air can catalyze many chemical reactions.
An electric heat gun, made with your own hands, does not require specialized skills or professional knowledge, and what is even more important is the practically absence of any material costs for design. However, when building, it is very important to observe the points that are indicated in the drawing. (See also: DIY Greenhouse Heating)
A homemade electric type heat gun allows you to properly provide heat to a large area.
Since from a practical point of view, double heating occurs. The first source of heat is simple warm air, while the second source is the gas mixture, after which a significant amount of heat is released after combustion.
This design is mainly used for heating premises in which, due to circumstances, it is impossible to ensure proper tightness, for example, repairs in the winter season. The electric gas cannon is mainly used to heat rooms that have a large footage or to quickly heat small living areas.
To make a diesel heat gun, you will need a number of components, namely:
- the combustion chamber;
- diesel fuel tank;
- large caliber metal pipe;
- catalyst;
- fan.
First, it is necessary to make at two ends of the metal pipe along the hole: one large and one small. Then it will be necessary to mount the catalyst in the combustion chamber in the metal pipe itself. In no case should you start designing without having a plan for the future design, since in this case either it will not be possible to assemble the unit, or its final work will simply be energy ineffective. (See also: DIY gasifier oven)
The smallest diesel heat gun is mainly used to heat a small room and its main advantage is its economy. The main feature of its design is the use of a small metal pipe and the absence of a fuel tank. That is, such a unit functions exclusively by converting cold air into warm one. The main thing to remember is that the fan must always have a separate power source, in order to avoid a short circuit in the mains.
To build a diesel heat gun, it is necessary to determine the footage of the future room, and also take into account the degree of air insulation of the room where the future heating unit is planned to be used. From a practical point of view, the degree of air insulation can be determined only by one parameter: the air ventilation is perceptible or not. Depending on this, you need to plan for the future design. If the room is sufficiently insulated, then the gas mixture can be dispensed with and, therefore, the energy consumption will be significantly lower.
Often many people ask the question of how to make a diesel heat gun yourself? The answer is very simple, of the utmost importance is to draw up your own plan, and then carefully follow it point by point.The most common practical mistake many people make is the failure to comply with all the points of the plan or lack of due attention. If you started designing, then take your time, otherwise you will have to redo it many times. The pipe must be wrapped with copper wire to ensure the proper functioning of the homemade heating device.
Do-it-yourself heat gun: a quick breakdown of the 3 most popular designs
This moment is categorically unacceptable, since the probability of a fire in the entire room is very high! Since each clothing has a certain color and when heated, the paint ignites almost instantly, and the flame can spread to neighboring areas.
A homemade diesel heat gun is a common solution for heating an apartment or a private house in the cold season, when the indicator jumped minus on the thermometer. If you follow simple safety rules, then with the help of this homemade heating device, it will be possible to provide economical heating of your own living space.
When using a home-made heating unit, it is necessary to ventilate the room once a week, at least for a short period of time, in order to eliminate the combustion products of the gas mixture and reduce the concentration of carbon dioxide.
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How the device works
A do-it-yourself heat gun is made with a certain baggage of technical knowledge, simple tools and materials and components available to any person. The mobile fan heater can operate on various types of fuel: kerosene, waste oil, diesel fuel, hot water, electricity and liquefied gas. The principle of operation of such a heater is as follows: a pre-selected special element of the heat gun, for example a burner or heating element, is placed in a metal case, heated to the highest possible temperature. A stream of air is driven through the heated device, which is created by a powerful built-in fan. The air is heated and pushed out with a powerful hot jet. The undoubted advantage of mobile fan heaters is the indicator that the heating of even large areas is carried out in a few minutes.
