Tandoor with flue pipe, damper and lifting thermocover

FIELD: power industry.

SUBSTANCE: tandoor with flue pipe, damper and lifting thermocover includes massive fuel combustion chamber from fire-resistant material with a hole made in its upper part for loading of food products and fuel, and heat insulation, flue pipe for removal of combustion products to flue removal pipe. Fuel combustion chamber is equipped with ash box with ash box door, lifting thermocover with a loading hole closed with a removable cover from heat-resistant glass. Fasteners are installed from below the lifting cover to fix mounted equipment. Lifting cover has the possibility of being lifted by means of lifting mechanism provided with a restraint. Flue pipe with damper is connected to fuel combustion chamber in its lower part.

EFFECT: enlarging functional capabilities and improving operating performance of tandoor.

7 cl, 2 dwg

 

The device relates to the field of household cooking devices, and is intended for cooking as outdoor and indoors.

From Wikipedia - free encyclopedia (http://ru.wikipedia.org/wiki/%D0%A2%D0%B0%D0%BD%D0%B4%D1%8B%D1%80), known definition: tandoor (TANur, tonir, tone) is a furnace for national baking breads or cakes. Is a large ceramic bowl (hemisphere volume from 0.25 to 1 m) with a circular opening in a wall or the bottom (diameter from 0.5 to 0.7 m). Set traditionally in the yard on a clay platform bottom up. Wall outside coated in a thick layer of damp clay. This is done to increase the heat capacity of the furnace. Before using the tandoor hot heat with firewood or wood. Of firewood, excavation of ash and bedding bread in the tandoor is made through the same hole. After all the fuel burns, walls of the tandoor quickly wipe away plaque from Gary. Then to him fast movements attach intended for baking products. They reach readiness due to the heat accumulated in the thick walls of the tandoor. After that, usually using a special bucket and hook with a long handle, the product is removed from the tandoor.

Modern ovens can work not only coal, but also on gas or electricity (http://www.tandir.ru/tandir.html). In the head of the dependence on the choice of fuel on the bottom of the tandoor fit electric spiral, or set a gas burner, or is grate with podduvalom in the case when using charcoal.

When installing a tandoor in the room is the hood with flue gas box as element of ventilation.

A disadvantage of the known devices is the lack of tandoor chimney to remove smoke from the firebox of the tandoor in the pipe, which prevents the use of the tandoor in a confined space. Known devices have great heat dissipation, because the smoke and flames out of the tandoor directly into the atmosphere, as well as inefficient thermal efficiency.

The closest in technical essence to the present invention is an improved Asian oven - tandoor No. 2 presented on the website http://www.ochagi.ru/tandir-2.php adopted for the prototype.

Figure 1 presents the scheme of tandoor-prototype, where indicated:

1 - ceramic vessel-firebox; 2 - brick (building the tandoor); 3 - thermal insulation; 4 - ash-pit with ash-box door; 5 - inclined chimney; 6 - steel mast pipe; 11 - smoke box; 12 - mounting the flue gas box; 13 - the door of the flue gas box for fuel loading; 14 - derrick.

Tandoor-the prototype contains the jug-shaped ceramic vessel-firebox 1, lined with refractory bricks, which is a heat accumulator, between which and the brick walls of the housing 2 are teploizolyatsii the I 3. In addition, in the bottom of the vessel-firebox 1 set the grate, which is an ash chamber, soamsawali with podduvalom 4 ash-box door. The top of the vessel-firebox 1 is the ceramic bezel-ring.

Over the tandoor installed the smoke removal device used as an element of ventilation, which consists of a flue gas box 11 with a door 13 for fuel loading, slope chimney 5 to exhaust smoke in standing next to a pipe 6 with the bracket 12 to the flue gas box 11. This inclined duct 5 by means of struts 14 is attached to a steel mast pipe 6. Smoke box 11 make removable after firing the tandoor is removed, so as not to interfere with the chef. Steel or brick stationary mast pipe 6 is installed next to the body of the tandoor 2 and connect the flue gas box 11 at an angle not more than 45°.

The drawbacks of the prototype are the inconvenience of installation of flue gas box - trap smoke over the hole to boot, because it interferes with control of the cooking process, and when it is removed from the hole the smoke comes out, gets in the face of the cook, and prevents the use of the tandoor indoors, in addition, greater heat dissipation, because the smoke and flames out of the tandoor directly into the atmosphere, and inefficient thermal efficiency.

The objective of the proposed technical R the solutions is to enhance the functionality and improve the performance of the tandoor.

To solve the problem in the tandoor with a chimney, a gate and lifting termokraskoy containing massive firebox refractory material with a hole in its upper part for loading products cooking and fuel and insulation, while the firebox is equipped with podduvalom with ash-box door, and a chimney to exhaust combustion products in dimotta pipe according to the invention the firebox equipped with a lifting lid with the boot opening, closed by a removable cover made of heat-resistant glass, while the bottom of the lifting cover is installed fasteners for fastening the hinged equipment, lifting cover is made with the possibility of lifting by means of the winding mechanism locking device, except in the chimney with the gate connected to the firebox at the bottom.

The scheme proposed tandoor with a chimney, a gate and lifting termokraskoy presented in figure 2, where indicated:

1 - working part - massive firebox; 2 - non-combustible exterior cladding tandoor; 3 - thermal insulation; 4 - ash-pit with ash-box door; 5 - chimney; 51 - gate chimney; 6 - dimotta pipe; 7 - lifting termokryshka; 71 - inlet opening in termokryshka; 72 - mount for connection thermocrete with lifting mechanism; 73 - fasteners for attachments; 8 - removable lid of remoteimage glass; 9 - lifting mechanism with locking device.

Offer tandoor contains working part - a massive fire 1 made of refractory material and placed into the external cladding 2 with insulation 3. The refractory material may be traditional: chimney or refractory brick, it is important to have sufficient mass to supply heat. In the lower part of the firebox 1 is the ashpan with ash-box door 4. The duct 5 is connected to the firebox in its bottom part, due to the reduction in heat loss compared with the removal of smoke in the upper part of the firebox, and especially in the case of an open tandoor. Moreover, the duct 5 has a gate valve 51 and is connected to dimotta pipe 6. In the upper part of the firebox 1 hole is for loading products cooking and firewood. The hole closes lifting termokraskoy 7, which also has a loading hole 71, which, in turn, is closed by a removable cover made of heat-resistant glass 8. This termokryshka 7 provided with a bracket 72 for connection with a lifting mechanism 9, and the lower part of timocracy 7 - fasteners for attachments 73.

The operation of the tandoor is as follows.

Tandoor begin to heat the closed lifting termokraskoy 7. The boot hole in lifting the lid 71 is also closed by a removable glass is authorized by the cover 8. When this gate 51 in the duct 5 and blew 4 are open. The process of fuel combustion in the firebox of the tandoor 1 occurs due to the influx of the required quantity of air, adjustable ash-box door. The combustion products smoke, is removed through duct 5 in dimotta pipe 6 of sufficient height and cross-section to create a thrust required for the complete removal of smoke from the firebox 1, preventing the smoke through leaks between the lid and the boot holes. The intensity of the combustion of the fuel is regulated by the position of the ash-box door, and the position of the gate 51, minimally open, but ensure complete removal of the smoke.

Fuel put through the ash-box door with closed lids 7 and 8 or above through the inlet opening 71 in the hoisting termokryshka 7 pre-closing during loading blew 4, the maximum opening of the gate 51 and removing the removable cover glass 8. When sufficient traction provided by the pipe 6, tandoor in this state does not smoke, because the inflow of air into the furnace through the ashpan 4, and through the loading hole 71.

Because the process of cooking in the tandoor occurs after the cessation of active combustion of the fuel, i.e. due to accumulated heat in the mass of refractory material, which is made from the firebox 1, to reduce the dissipation of heat between the outer is the first cladding 2 and the combustion chamber 1 is heat insulation 3. With the same purpose tandoor closes lifting it termokraskoy 7 with an inlet opening 71, which in turn is closed by a removable cover made of heat-resistant glass 8. As the direction of radiation of heat from the surface of the heated mass of the firebox 1 is always perpendicular to the surface of the radiation, for focusing thermal radiation on the products making the upper part of the walls of the firebox tilted inward.

After the cook will determine the adequacy of the accumulated heat in the mass of the firebox 1, the fuel supply stops. After fuel stops burning flame in the firebox 1 remain hot coals, ash-box door is tightly closed, and the gate 51 in the duct 5 is covered as much as possible, but to prevent escape of gases from the combustion chamber 1 through leaks covers. This is done in order to reduce heat loss through the chimney 5. If you need to raise one covers the gate 51 should be open to the required value. This is important when using tandoor indoors.

Using the lifting mechanism 9 rises termokryshka 7 at the desired height, and it is fixed. To the lower part of the lifting thermocrete 7, equipped with fasteners 73, on hooks suspended from the products, or the lattice, or pans placed on them with products used in ka is este attachments (not shown in figure 2), depending on the type of cooking food. So, for cooking a whole ham (shown in figure 2) you can use the hooks on which hung the product. For cooking products, which can be placed on a horizontal surface, such as a barbecue, use trays or grids, which are also hung on hooks with rope, missed loops or holes on the sides of the tray, and the trays can be mounted one above the other, leaving between them a space on each of their products.

Then tandoor is closed by lowering thermocrete 7 attached thereto products on the firebox 1 tandoor, thus, food cooking inside preheated massive firebox 1. Inlet opening 71 in termokryshka 7 is closed by a glass cover 8 through which control of the cooking process. Moreover, termokryshka 7 with the products at any time, you can easily raise and assess the readiness of food.

Thus, the proposed device by connecting duct 5 to the lower part of the firebox 1 and connect it to dimotta pipe 6 required cross-section and height does not allow the smoke from the boot opening timocracy and through leaks. This allows us to improve operating conditions in the tandoor cooking process, and use the to tandoor not only under the open sky, but in the room.

The connecting duct of the tandoor to the firebox 1 in the lower part increases the heat of the firebox 1, compared with tandoor, whose combustion products (smoke) out from the top, which reduces the burning time of the proposed tandoor and, accordingly, the amount of fuel. In tandoor, closed by termokraskoy 7 and is overlapped by the gate 51 of the duct 5, is significantly reduced heat dissipation it possible to increase the working time, i.e. the time for cooking, using his accumulated heat from one firing for several gotovac meat dishes (up to 3 times), also entails the reduction of fuel consumption and time of preparation of the tandoor.

The presence of attachments, which is attached to lifting the lid 7, allows you to extend the range of cooked foods, to mechanize it. In addition, the presence of the glass cover 8 improves working conditions chefs, as this will decrease the time over the hot steam from the firebox 1, since control over the cooking process is conducted through a closed removable lid of heat-resistant glass 8 without the heat loss associated with the rise of timocracy 7 with food preparation. The lifting mechanism 9 for thermocrete 7 with the possibility of fixing it at the correct height allows the chef to place conveniently enough solid foods cooking, also conveniently kontrolirovalas cooking and remove the finished products.

As the lifting mechanism can be used, for example, the system blocks with a cable that has a locking mechanism, or winch cable. When this lifting mechanism can operate on muscle power or by electric current, such as LLC "MEL" (ooomel/EN.>materials.php?but=4).

The fuel loading can be performed not only through the inlet opening 71 at the top of the firebox, in contrast to traditional ovens and from the prototype, but blew through 4, thereby saving heat.

1. Tandoor with a chimney, a gate and lifting termokraskoy containing massive firebox refractory material with a hole in its upper part for loading products cooking and fuel, and insulation, while the firebox is equipped with podduvalom with ash-box door, and a chimney to exhaust combustion products in dimotta pipe, characterized in that the firebox equipped with a lifting termokraskoy with the boot opening, closed by a removable cover made of heat-resistant glass, while the bottom of the lifting cover is installed fasteners for fastening the hinged equipment, lifting cover is made with the possibility of lifting by means of the winding mechanism locking device, in addition, the chimney damper is connected to the firebox at the bottom.

2. T is NDIR according to claim 1, characterized in that the hinged equipment used by one or more pallets or trays, or gratings, placed one above the other.

3. Tandoor according to claim 1, characterized in that as the hinged equipment used by one or more hooks.

4. Tandoor according to claim 1, characterized in that the lifting mechanism used blocks with rope.

5. Tandoor according to claim 1, characterized in that the lifting mechanism used winch with rope.

6. Tandoor according to claim 4, 5, characterized in that the lifting mechanism is driven by muscle power.

7. Tandoor according to claim 3, 4, characterized in that the lifting mechanism is driven by an electric motor.



 

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