CN202092183U - Energy-saving stove with cyclone generator - Google Patents

Abstract

The utility model discloses an energy-saving furnace with a cyclone generating device, aiming at providing an energy-saving furnace with more complete mixing and combustion, more stable combustion, higher safety and better energy-saving effect. The utility model comprises a furnace (6), a furnace chamber (1), a mesh furnace core (2), a blower fan (3), and a cyclone generating device. It is the air intake area (22), the mesh furnace core (2) is arranged above the gas and air rotating mixing area (21) in the furnace chamber (1), the fan (3) communicates with the air intake area (22), and the furnace chamber (1) There is a gas channel (4) extending into the gas and air rotary mixing zone (21), and the cyclone generating device includes a number of air outlet nozzles (51) arranged in the gas and air rotary mixing zone (21). The nozzles (51) are distributed in a circle and are inclined in the same direction. The air outlet nozzle (51) is a passage connecting the air intake area (22) and the gas and air rotating mixing area (21). The air outlet direction of the air outlet nozzle (51) Unified as clockwise or counterclockwise. The utility model can be widely used in the field of stoves.

Description

A kind of energy-saving furnace with cyclone generating device

technical field

The utility model relates to an energy-saving furnace with a cyclone generating device.

Background technique

Gas stoves are commonly used stoves in many places, and the number of applications is extremely large. Gas stoves consume gas to generate heat for use. In the context of resource shortages, the energy-saving performance of stoves is particularly important. When the stove is working, the gas burns fully. Whether or not it is the key factor affecting the energy-saving effect, and the sufficient mixing of gas and air is an important guarantee for sufficient combustion. The existing various energy-saving stoves often ignore the importance of the mixing of gas and air, so there are different degrees of Technical defects, the existing energy-saving stoves, in the structure of gas and air supply, all adopt the way of gas and air passing directly to the combustion zone for combustion, that is, the gas and air rise vertically in the conveying channel and directly pass into the combustion zone for combustion, and the gas The common transportation path and transportation time with air are extremely short, so the mixing of gas and air before combustion is extremely limited, which is not enough to meet the conditions of full combustion. , the purpose of energy saving cannot be achieved, and in the combustion zone, the gas and air are not fully mixed, so that a large amount of gas is dense and a large amount of air is dense, resulting in extremely unstable combustion, frequent flameouts, and poor use effects.

In summary, the existing gas stoves have technical defects such as insufficient mixing and combustion, loss of gas, unstable combustion, and poor energy-saving effect.

Utility model content

The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art, and provide an energy-saving furnace with a cyclone generator with more complete mixing and combustion, more stable combustion, higher safety and better energy-saving effect.

The technical solution adopted by the utility model is: the utility model includes a furnace, a furnace chamber, a mesh furnace core, and a fan, the furnace chamber is connected to the bottom of the furnace chamber, and the upper part of the furnace chamber is a rotating mixing zone for gas and air. The lower part is the air intake area, the mesh furnace core is set above the gas and air rotating mixing area in the furnace cavity, the fan communicates with the air intake area of the furnace cavity, and the furnace cavity is equipped with There is a gas channel, and the gas channel extends into the gas and air rotary mixing zone, and the energy-saving furnace also includes a cyclone generating device, and the cyclone generating device includes several air outlets arranged in the gas and air rotary mixing zone. The air outlet nozzles are distributed in a circle and are inclined in the same direction. The air outlet nozzles are passages through which the air intake area communicates with the gas and air rotating mixing area. The air outlet directions of the air outlet nozzles are uniform. clockwise, or uniformly counterclockwise.

The function of the cyclone generating device is to form a swirl flow through the wind (air) blown out by the fan through the outlet air nozzle provided by the cyclone generating device, and to promote the gas and air to be more fully mixed through the formed swirl flow , and pass through the gap of the mesh furnace core to enter the interior of the mesh furnace core for combustion, the flame produced continues to maintain the spiral motion of the swirling flow, and the function of the cyclone generating device can be realized in various ways, Therefore, the structure of the cyclone generating device is not unique, and the utility model enumerates the following three types:

1. The cyclone generating device includes a horizontal flat plate, and several air outlet nozzles are distributed on the upper surface of the horizontal flat plate along the circumference, and the air intake area communicates with the gas and air rotating mixing area through the air outlet nozzles ;

2. The cyclone generating device includes a vertical straight plate, and several air outlet nozzles are distributed on the side wall of the vertical straight plate along the circumference, and the air intake area rotates with the gas and air through the air outlet nozzles Mixed zone interlinked;

3. The cyclone generating device includes a plurality of ventilation pipes, one end of the ventilation pipe is connected with the air intake area, and the other end is an air outlet nozzle, and the air outlet nozzle is obliquely inserted into the outer wall of the furnace cavity to extend into the air and the gas rotary mixing zone, the air intake zone communicates with the gas and air rotary mixing zone through the air outlet nozzle of the ventilation pipe.

Preferably, a combustion through hole is opened at the bottom of the furnace, and a cover plate made of high temperature resistant material is arranged above the combustion through hole, and a gap is formed between the cover plate and the bottom of the furnace through a bracket device, and the furnace cavity The gap is communicated with the furnace, the first combustion chamber is formed by the cover plate and the mesh furnace core, and the second combustion chamber is formed by the cover plate, the furnace hearth and the pot matched with the furnace hearth. combustion chamber.

The function of the support device is to fix the cover plate and form a gap between the cover plate and the bottom of the furnace. The technical solutions of the support device include the following: A. The support device is arranged on the Some pillars between the cover plate and the furnace bottom plate, use the pillars to support and fix the cover plate, so that the cover plate and the bottom of the furnace form a gap; B, the support device is a fixed stay rope , one end of the fixed stay cord is fixedly connected with the cover plate, and the other end is connected with the upper part of the furnace, and the cover plate is hoisted and suspended by the fixed stay cord; C, the support device is a fixed cross bar, One end of the fixing cross bar is connected to the cover plate, and the other end is connected to the inner side wall of the furnace, and the cross bar is used to fix the cover plate above the combustion through hole.

Further preferably, several through holes are opened on the cover plate, and the flame of the first combustion chamber can directly enter the first combustion chamber through the through holes of the cover plate to heat the pan. The diameter of the through hole is 2mm-40mm.

The upper part of the gas passage is provided with a gas diffuser, the gas diffuser is composed of an upper plate and a lower plate, the gap between the upper plate and the lower plate is a gas outlet, and the gas diffuser is used to displace the The gas ejected from the gas channel is evenly dispersed from the gas outlet to the surroundings, which is more conducive to the full mixing of gas and air; the distance between the upper plate and the lower plate is 0.05-20 mm.

The beneficial effects of the utility model are: since the utility model also includes a cyclone generating device, the cyclone generating device includes a number of outlet air nozzles arranged in the rotating mixing area of the gas and air, the outlet air nozzles are distributed in a circle and Tilting in the same direction, the air outlet nozzle is a channel that communicates with the air intake area and the gas and air rotating mixing area, and the air outlet direction of the air outlet nozzle is uniformly clockwise or counterclockwise , the wind (air) provided by the fan can only enter the furnace cavity through the outlet nozzle of the cyclone generator, and the wind (air) blown by the fan passes through the outlet outlet of the cyclone generator A clockwise or counterclockwise swirling flow is formed under the action of the gas flow channel. After the gas provided by the gas channel enters the gas and air mixing zone, it is also driven by the rotating air flow to rotate together. The gas and air are simultaneously The swirling flow formed promotes the gas and air to be more fully mixed, so that the gas is fully mixed with the air before combustion, and the mixed gas of gas and air enters the interior of the mesh furnace core through the gaps of the mesh furnace core Combustion, the generated flame continues to maintain the spiral movement of the swirling flow. Compared with the vertical upward movement of the air and gas in the existing energy-saving furnace, the air and gas in the utility model are transformed into a spiral upward movement , the mixing path and mixing time of gas and air are lengthened, and the distribution of the mixed gas is further uniform. In the same principle, the original bottom-up flame combustion is changed to spiral combustion, and the combustion time is longer. The length and combustion are more sufficient, and the generated high temperature distribution is more uniform. Therefore, the rotating flame can provide a guarantee for the combustion of the gas in a relatively closed space, and make the pot body heated more evenly, so the combustion of the gas is more stable. There is no explosion sound, no flameout and backfire phenomenon, higher safety, more complete combustion, no loss of unburned gas, and further improved energy saving effect.

On the basis of the cyclone generating device, the utility model adds a cover plate made of high temperature resistant material, the cover plate is arranged above the combustion through hole of the furnace, and the cover plate is made A gap is formed with the bottom of the furnace, a first combustion chamber is formed by the cover plate and the furnace core, and a second combustion chamber is formed by the cover plate, the furnace hearth and a pot suitable for the furnace hearth, Both the cover plate and the furnace are made of high-temperature-resistant materials, which are easy to generate infrared heat radiation after being heated at high temperature. Therefore, when the relatively airtight first combustion chamber burns, the high-temperature hot gas flows After entering the second combustion chamber, the relatively airtight second combustion chamber will quickly generate a large amount of infrared radiation, and then turn to the heat conduction mode based on infrared radiation to heat the pan, and at the same time, the unburned gas will be heated again. Combustion, and ultimately make the gas burn more fully. The secondary combustion structure is formed by using the first combustion chamber and the second combustion chamber, the first combustion chamber is a fixed and relatively closed combustion space, and the second combustion chamber is a relatively fixed combustion space, by The secondary combustion of the first combustion chamber and the second combustion chamber can achieve the following effects: (1) The gas burns in the fixed and relatively airtight first combustion chamber and then enters the second combustion chamber in the high-temperature infrared radiation area Further combustion will inevitably lead to more complete combustion and better energy-saving effect; (2) The gas is combusted sequentially through the first combustion chamber and the second combustion chamber, and finally achieves flame-free combustion, no carbon black, and a clean environment; (3) Due to the The blocking refraction effect of the cover plate and the infrared radiation effect make the heat distribution more uniform, avoiding the continuous high temperature heating in a small area at the bottom of the pot, and the original situation where the flames are excessively concentrated at the bottom of the pot is better improved; (4) due to the establishment of a fixed And the relatively airtight first combustion chamber, therefore, it is not easy to extinguish the flame in the cold furnace working state, and the combustion situation of the first combustion chamber will not be affected when the pot and the pressure pot are removed, ensuring stable operation.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment one;

Fig. 2 is the structural representation of the second embodiment of the utility model;

Fig. 3 is the structural representation of the third embodiment of the utility model;

Fig. 4 is a schematic structural view of Embodiment 4 of the present utility model;

Fig. 5 is a schematic structural view of the utility model gas diffuser.

Detailed ways

Embodiment one:

As shown in Figure 1, the utility model comprises a furnace 6, a furnace chamber 1, a mesh furnace core 2, and a blower fan 3. The furnace chamber 1 is made of a high-temperature-resistant material, and the furnace chamber 1 is connected to the bottom of the furnace chamber 6. The upper part of the furnace cavity 1 is a gas and air rotary mixing zone 21, and the lower part is an air intake zone 22. The mesh furnace core 2 is arranged above the gas and air rotary mixing zone 21 in the furnace cavity 1. The fan 3 communicates with the air intake area 22 of the furnace chamber 1, and the air required for combustion is provided by the fan 3. The furnace chamber 1 is provided with a gas passage 4, and the end of the gas passage 4 is connected to the outside of the energy-saving furnace. The gas supply device (such as a gas bottle) is connected, and the gas channel 4 extends into the gas and air rotating mixing area 21 to input the gas required for combustion. The utility model also includes a cyclone generating device, and the cyclone generating device includes several The air outlet nozzle 51 arranged in the gas and air rotating mixing area 21, the air outlet nozzle 51 is distributed in a circle and inclined in the same direction, and the air outlet nozzle 51 is the gas inlet area 22 and the gas outlet nozzle 51. In the channel communicating with the air rotating mixing area 21, the air outlet direction of the air outlet nozzle 51 is uniformly clockwise or counterclockwise. When in use, the wind (air) blown by the fan 3 forms a clockwise or counterclockwise swirl under the action of the air outlet nozzle 51 provided by the cyclone generating device, and the formed swirl promotes the gas and The air is more fully mixed, and passes through the gaps of the mesh furnace core to enter the interior of the mesh furnace core for combustion, and the generated flame continues to maintain the spiral motion of the swirl flow, and the structure of the cyclone generating device is not Uniquely, multiple structures can be used to realize the function of the cyclone generating device. In this embodiment, the cyclone generating device includes a horizontal flat plate 52, and several of the air outlet nozzles 51 are circumferentially distributed on the upper surface of the horizontal flat plate 52. The air intake area 22 communicates with the gas and air rotating mixing area 21 through the air outlet nozzle 51, and the air provided by the fan 3 passes through the air inlet area 22 and then passes through the air outlet nozzle of the cyclone generating device. 51 enters the gas and air mixing area 21 and forms a rotating air flow, the air and gas in the rotating air flow are mixed and then rise gradually in a spiral manner, and enter the slit through the mesh furnace core 2 Combustion is carried out in the above-mentioned mesh furnace core 2. During combustion, the rotating state is continued to form a rotating flame, the burning time is longer and the combustion is more complete, and the high temperature distribution generated by the combustion is more uniform. Combustion in a relatively more confined space provides a guarantee, and makes the pot body heated more evenly, so the gas combustion is more stable, there is no explosion sound, no flameout and backfire phenomenon, the safety is higher, and the combustion is more sufficient. , there is no loss of unburned gas, and the energy-saving effect is further improved.

Embodiment two:

As shown in Figure 2, in the present embodiment, the cyclone generating device includes a vertical straight plate 53, and several of the air outlet nozzles 51 are distributed on the side wall of the vertical straight plate 53 along the circumference, and the air intake area 22 It communicates with the gas and air rotary mixing zone 21 through the air outlet nozzle 51 .

In this embodiment, on the basis of the cyclone generating device, the structure of the cover plate 62 is added. In the implementation, the pot is adapted to the upper part of the furnace 6, and a combustion through hole 61 is opened at the bottom of the furnace 6. A cover plate 62 made of a high-temperature-resistant material is arranged above the combustion through hole 61, and a gap is formed between the cover plate 62 and the bottom of the furnace 6 through a bracket device, and the furnace chamber 1 is connected to the furnace chamber 1 through the gap. The furnace 6 communicates, the first combustion chamber is formed by the cover plate 62 and the mesh furnace core 2, and the second combustion chamber is formed by the cover plate 62, the furnace 6 and the pot matched with the furnace 6. Combustion chamber; in this embodiment, the support device is a plurality of pillars 63 arranged between the cover plate 62 and the bottom of the furnace 6, and the cover plate 62 is supported and fixed by the pillars 63, so that the The cover plate 62 forms a gap with the bottom of the furnace 6 . Both the furnace chamber 6 and the cover plate 62 are made of high-temperature-resistant materials, such as silicon carbide, alumina ceramics, nickel-chromium alloy, iron-chromium-aluminum, cast iron, etc., and the above-mentioned high-temperature-resistant materials can generate a large amount of infrared radiation after being heated. Heat radiation; in this embodiment, the material of the cover plate 5 and the furnace 4 is silicon carbide.

The gap between the cover plate 62 and the bottom of the furnace 6 is the exhaust channel of the first combustion chamber. In order to effectively ensure a fixed and relatively airtight first combustion chamber, the cover plate 62 and the furnace 6 The gap between the bottoms is as small as possible, preferably controlled within 2-40mm, so as to ensure that the first combustion chamber heats up rapidly after the gas is ignited compared with the airtight first combustion chamber. In this embodiment, The gap between the cover plate 5 and the bottom of the furnace 4 is 2 mm, and there is a small gap between the pot and the furnace 6, and the gap between the pot and the furnace 6 is the narrowest. It is the exhaust channel of the second combustion chamber. In order to form a relatively fixed and relatively airtight second combustion chamber, the gap at the narrowest point between the pan and the furnace 6 should be as small as possible. The provided energy-saving furnace is equipped with a cyclone generating device, which can make the gas and air generate a swirling airflow before combustion, fully mix them, and maintain a swirling state during combustion to form a swirling flame. The combustion time is longer, the combustion is more complete, and the combustion is more stable. The high temperature distribution is more uniform. Under this condition, the burning space can be more closed. Therefore, in practical application, the gap between the pot and the furnace 6 can be further reduced, and the distance between the pot and the furnace 6 The gap at the narrowest point between them is controlled within 2 to 40 mm. In this embodiment, the gap at the narrowest point between the pan and the furnace 6 is 2 mm; The mixed gas burns in the first combustion chamber, so that the first combustion chamber heats up rapidly, and the exhaust gas after combustion and the incompletely burned gas flow from the bottom between the cover plate 62 and the furnace 6 The gap enters the second combustion chamber, and the furnace 6 and the cover plate 62 that constitute the second combustion chamber quickly generate a large amount of infrared radiation after being heated, and the heat conduction mode based on infrared radiation heats the pan, and at the same time heats a small amount of infrared radiation. The unburned gas is re-combusted, and finally the gas is completely combusted, and the waste gas formed after the gas is completely burned in the second combustion chamber is discharged from the narrowest gap between the pan and the furnace 6 .

Embodiment three:

As shown in Figure 3, in this embodiment, the cyclone generating device includes a plurality of ventilation pipes 54, one end of the ventilation pipes 54 communicates with the air intake area 22, and the other end is an air outlet nozzle 51, and the air outlet nozzle 51 51 is obliquely inserted into the outer wall of the furnace cavity 1 and extends into the air and gas rotary mixing zone 21, and the air intake zone 22 communicates with the gas and air rotary mixing zone 21 through the air outlet nozzle 51 of the ventilation pipe 54 .

In this embodiment, the cover plate 62 is provided with several through holes 51, and the flame in the first combustion chamber can directly enter the first combustion chamber through the through holes 66 of the cover plate 62 to heat the pot. . The diameter of the through hole 66 is 4mm˜40mm.

In this embodiment, the support device is a fixed stay rope 64, one end of the fixed stay rope 64 is fixedly connected to the cover plate 62, and the other end is connected to the upper part of the furnace 6, and the fixed stay rope 64 is used to The cover plate 62 is suspended in the air, and the fixed pull cord 64 is made of high temperature resistant material.

As shown in Figure 5, in practical applications, a gas diffuser 41 can be provided on the upper part of the gas channel 4, and the gas diffuser 41 is composed of an upper plate 411 and a lower plate 412, and the upper plate 411 and the lower plate The gap between the plates 412 is a gas outlet 413, and the gas diffuser 41 is used to uniformly disperse the gas ejected from the gas channel 4 from the gas outlet 413 to the surroundings, which is beneficial to mixed combustion; the upper plate 411 The distance from the lower plate 412 is 0.05-20 mm.

The utility model also includes a controller 7, the controller 7 is used to control the flow rate of the gas channel 4 connected to the gas bottle and control the speed of the fan 2; the controller 7 is provided with a number of control switches, The control switch is electrically connected to the controller 7, and the control switch can facilitate the operation of the energy-saving furnace during use.

Embodiment four:

As shown in Figure 4, in this embodiment, the support device is a fixed cross bar 65, one end of the fixed cross bar 65 is connected to the cover plate 62, and the other end is connected to the inner side wall of the furnace 6, using the The cross bar 65 fixes the cover plate 62 on the upper part of the combustion through hole 61, and the fixed cross bar 65 is made of a high temperature resistant material. The plate 62 and the furnace 6 together generate high-temperature infrared heat radiation. The material of the cover plate 62 and the furnace 6 in this embodiment is alumina ceramics, and the material of the fixed cross bar 54 is nickel-chromium alloy. Other features of this embodiment are consistent with Embodiment 3.

The utility model can be widely used in the field of stoves.

Claims (10)

1. An energy-saving furnace with a cyclone generating device, which includes a furnace chamber (6), a furnace chamber (1), a mesh furnace core (2), a fan (3), the furnace chamber (1) and the furnace chamber (6) Bottom connection, the upper part of the furnace cavity (1) is a gas and air rotary mixing zone (21), the lower part is an air intake zone (22), and the mesh furnace core (2) is set in the furnace cavity ( 1) Above the gas and air rotating mixing area (21), the fan (3) communicates with the intake area (22) of the furnace cavity (1), and the furnace cavity (1) is equipped with Gas channel (4), the gas channel (4) extends into the gas and air rotary mixing zone (21), characterized in that: the energy-saving furnace also includes a cyclone generating device, the cyclone generating device includes several The air outlet nozzles (51) in the gas and air rotating mixing area (21), the air outlet nozzles (51) are distributed in a circle and inclined in the same direction, and the air outlet nozzles (51) are the The channel (22) communicates with the gas and air rotating mixing zone (21), and the air outlet direction of the air outlet nozzle (51) is uniformly clockwise or counterclockwise. 2. An energy-saving furnace with a cyclone generating device according to claim 1, characterized in that: the cyclone generating device includes a horizontal plate (52), and several outlet air nozzles (51) are distributed along the circumference at the The upper surface of the horizontal plate (52), the air intake area (22) communicates with the gas and air rotary mixing area (21) through the air outlet nozzle (51). 3. An energy-saving furnace with a cyclone generating device according to claim 1, characterized in that: the cyclone generating device includes a vertical straight plate (53), and several outlet air nozzles (51) are distributed on the circumference of the On the side wall of the vertical straight plate (53), the air intake area (22) communicates with the gas and air rotary mixing area (21) through the air outlet nozzle (51). 4. An energy-saving furnace with a cyclone generating device according to claim 1, characterized in that: the cyclone generating device includes several ventilation pipes (54), and one end of the ventilation pipe (54) is connected to the air inlet The area (22) is connected, and the other end is the air outlet nozzle (51). The air outlet nozzle (51) is obliquely inserted into the outer wall of the furnace cavity (1) and extends into the air and gas rotary mixing area (21). The air intake area (22) communicates with the gas and air rotary mixing area (21) through the air outlet nozzle (51) of the ventilation pipe (54). 5. An energy-saving furnace with a cyclone generator according to claim 1 or 2 or 3 or 4, characterized in that: a combustion through hole (61) is opened at the bottom of the furnace (6), and the combustion through hole (61) A cover plate (62) made of high temperature resistant material is arranged above the hole (61), and a gap is formed between the cover plate (62) and the bottom of the furnace (6) through a bracket device, and the furnace cavity (1) passes through the The gap communicates with the furnace (6), the first combustion chamber is formed by the cover plate (62) and the mesh furnace core (2), and the first combustion chamber is formed by the cover plate (62), the furnace (6) and The pot matched with the furnace (6) forms the second combustion chamber. 6. An energy-saving furnace with a cyclone generating device according to claim 5, characterized in that: the support device is several A pillar (63), using the pillar (63) to support and fix the cover plate (62), so that a gap is formed between the cover plate (62) and the bottom of the furnace (6). 7. An energy-saving furnace with a cyclone generating device according to claim 5, characterized in that: the support device is a fixed pull rope (64), and one end of the fixed pull rope (64) is connected to the cover plate (62) is fixedly connected, and the other end is fixedly connected with the upper part of the furnace (6). 8. An energy-saving furnace with a cyclone generating device according to claim 5, characterized in that: the support device is a fixed cross bar (65), and one end of the fixed cross bar (65) is connected to the cover plate (62), and the other end is connected to the inner side wall of the furnace (6). 9. An energy-saving furnace with a cyclone generating device according to claim 6, 7 or 8, characterized in that several through holes (66) are opened on the cover plate (62). 10. An energy-saving furnace with a cyclone generating device according to claim 9, characterized in that: a gas diffuser (41) can be provided on the upper part of the gas channel (4), and the gas diffuser (41) It consists of an upper plate (411) and a lower plate (412), the gap between the upper plate (411) and the lower plate (412) is a gas outlet (413).

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