CN114963171A

CN114963171A - Energy-saving premixing type combustor

Info

Publication number: CN114963171A
Application number: CN202111596026.3A
Authority: CN
Inventors: 郑志恒
Original assignee: Yufubao Kitchenware Equipment Shenzhen Co ltd
Current assignee: Yufubao Kitchenware Equipment Shenzhen Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-08-30

Abstract

The invention relates to an energy-saving premixing type burner which comprises a pot bearing support frame for supporting a pot, wherein a furnace body is arranged below the pot bearing support frame, and the top surface of the furnace body is provided with a furnace chamber; a heat reflection energy-saving mechanism is arranged in the furnace chamber of the furnace body; this energy-conserving formula combustor in advance is through the formula combustion mechanism, air feed mechanism and the ignition mechanism in advance that set up: not only can the mixture of the fuel gas and the air be uniformly distributed on each fire hole, but also stable and complete combustion can be carried out; the design improves the original fire chamber design, can effectively solve the problem of easy flameout, adopts an external air mixing mode for combustion, has stable combustion performance and can effectively improve the safety; this energy-conserving formula combustor is mixed in advance through the heat reflection energy-saving mechanism who sets up: partial residual heat is radiated to the cooking pot through the heat reflection energy-saving plate to raise the heating power, the temperature rising speed is high, the heat efficiency is higher, less pollution gas is generated after combustion, and the cooking pot is more environment-friendly.

Description

Energy-saving premixing type combustor

Technical Field

The invention relates to the technical field of combustors, in particular to an energy-saving premixing type combustor.

Background

The burner is a heat energy device which sends fuel and air into a hearth according to required concentration, speed, turbulence and mixing modes and enables the fuel to be stably ignited and combusted in the hearth, and the gas burner is divided into a natural gas burner, an urban gas burner and the like; there are many kinds of burners on the market, but there are the following problems in use: on one hand, the similar products in the existing market have poor combustion effect and performance, the gas and air are not sufficiently mixed and combusted, and the flame is easy to extinguish when in use; on the other hand, similar products in the existing market have low thermal efficiency, and generate more pollution gases after combustion, which cannot meet the requirement of environmental protection.

Disclosure of Invention

The present invention is directed to an energy-saving premixing burner to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme:

an energy-saving premixing burner comprises a pot bearing support frame for supporting a pot, wherein a furnace body is arranged below the pot bearing support frame, and the top surface of the furnace body is provided with a furnace chamber; the energy-saving stove is characterized in that a heat reflection energy-saving mechanism is arranged in the stove chamber of the stove body, a premixing type combustion mechanism is arranged below the heat reflection energy-saving mechanism in the stove chamber of the stove body, an ignition mechanism is arranged at one side of the premixing type combustion mechanism in the stove chamber of the stove body, and an air supply mechanism is arranged below the premixing type combustion mechanism.

As a preferable technical scheme, the heat reflection energy-saving mechanism comprises a heat reflection energy-saving plate, the center of the heat reflection energy-saving plate is in an open type, a plurality of smoke exhaust holes are formed in the heat reflection energy-saving plate, and the smoke exhaust holes are distributed in an annular shape at equal intervals.

As a preferred technical scheme of the present invention, the premix combustion mechanism includes an upper housing and a lower housing below the upper housing, a connecting pipe is disposed on a bottom surface of the lower housing, a secondary flow distribution assembly is disposed inside a space between the upper housing and the lower housing, the secondary flow distribution assembly includes a plurality of annular partition plates, and an annular flow distribution lamination is disposed between two adjacent partition plates; an oil containing basin is arranged below the secondary flow distribution assembly, and the top surface of the oil containing basin is of an open structure; the below of secondary reposition of redundant personnel subassembly is equipped with two diverters that are range upon range of setting, all seted up a plurality of gas pockets on the diverter.

According to the preferable technical scheme, the air supply mechanism comprises a three-way pipe, an opening at the top end of the three-way pipe is communicated with a connecting pipe, an air supply pipe is arranged at an opening at one side of the three-way pipe, a bottom seal is arranged at an opening at the bottom end of the three-way pipe, an adjusting valve is arranged on the air supply pipe, an air supply nozzle fixing position is arranged inside the three-way pipe, and an air supply nozzle is arranged on the air supply nozzle fixing position.

According to the preferred technical scheme, the ignition mechanism comprises a fire chamber, a fire outlet head is arranged at the top end of the fire chamber, the interior of the fire chamber is communicated with the fire outlet head, the fire outlet head penetrates through the outer wall of the heat reflection energy-saving plate, a seed air supply nozzle is further arranged on the fire chamber, a seed chamber air supply pipe is arranged at one side of the seed air supply nozzle in the seed chamber, and a pulse igniter is arranged at the other side of the seed air supply nozzle.

As the preferable technical scheme of the invention, the three-way pipe and the air supply nozzle are integrally formed by die casting.

As the preferable technical scheme of the invention, the pot bearing support frame is fixedly connected with the top surface of the furnace body through bolts.

As a preferable technical scheme of the invention, the two flow dividers are both made of stainless steel materials, and a plurality of air holes on the flow dividers are distributed in an annular shape at equal intervals.

As the preferable technical scheme of the invention, the air supply nozzle fixing position is fixedly connected with the air supply nozzle through a bolt.

As the preferable technical scheme of the invention, the number of the smoke discharge holes is 7-9, and the diameter of each smoke discharge hole is 18 mm.

Compared with the prior art, the invention has the beneficial effects that:

1. this energy-conserving formula combustor in advance is through the formula combustion mechanism, air feed mechanism and the ignition mechanism in advance that set up: namely, the gas is sprayed out through the gas supply nozzle and enters the upper shell, meanwhile, the air enters from the air supply mechanism, the gas and air mixture is divided by the flow divider, and meanwhile, the fully mixed gas and air mixture passes through the secondary flow dividing assembly and then is subjected to secondary flow dividing, so that the gas and air mixture can be uniformly distributed on each fire hole and can be stably and completely combusted; the design improves the original fire chamber design, can effectively solve the problem of easy flameout, adopts an external air mixing mode for combustion, has stable combustion performance and can effectively improve the safety;

2. this energy-conserving formula combustor in advance is through the heat reflection energy-saving mechanism who sets up: when the flame burns above the heat reflection energy-saving plate, the smoke is discharged from the smoke discharge hole of the heat reflection energy-saving plate, the temperature generated by the flame and the smoke is high, partial residual heat is radiated to the cooking pot through the heat reflection energy-saving plate to raise the heating power, the temperature is raised quickly, the heat efficiency is higher, less polluted gas is generated after the flame burns, and the environment is protected.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the overall construction of the present invention;

FIG. 3 is a schematic structural diagram of a heat reflection energy-saving mechanism according to the present invention;

FIG. 4 is an exploded view of the pre-mixing type combustion mechanism according to the present invention;

fig. 5 is a structural sectional view of the premix combustion mechanism of the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 5 according to the present invention;

FIG. 7 is a schematic view of the construction of a shunt stack according to the present invention;

FIG. 8 is a sectional view showing the structure of the air supply mechanism according to the present invention;

FIG. 9 is a schematic diagram of a partial explosion of the ignition mechanism of the present invention;

fig. 10 is a structural sectional view of the ignition mechanism of the present invention.

In the figure:

1. a pot supporting frame;

2. a furnace body;

3. a heat reflection energy-saving mechanism; 31. a heat reflective energy saving plate; 311. a smoke vent;

4. a premixed combustion mechanism; 41. an upper housing; 42. a lower housing; 421. a connecting pipe; 43. a secondary flow-splitting assembly; 431. a partition plate; 432. shunting and laminating; 44. an oil containing basin; 45. a flow divider;

5. a wind supply mechanism; 51. a three-way pipe; 52. an air supply pipe; 53. the air supply nozzle is fixed; 54. an air supply nozzle; 55. adjusting the valve;

6. an ignition mechanism; 61. a fire chamber; 611. a fire outlet head; 62. an air supply pipe of the seeding chamber; 63. a nozzle for supplying gas to the kindling; 64. a pulse igniter.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The embodiment provides a technical scheme:

referring to fig. 1-3, an energy-saving premixing burner comprises a pan supporting frame 1 for supporting a pan, a furnace body 2 arranged below the pan supporting frame 1, and a furnace chamber arranged on the top surface of the furnace body 2; a heat reflection energy-saving mechanism 3 is arranged in the furnace chamber of the furnace body 2. The heat reflection energy-saving mechanism 3 comprises a heat reflection energy-saving plate 31, the center of the heat reflection energy-saving plate 31 is open, a plurality of smoke exhaust holes 311 are formed in the heat reflection energy-saving plate 31, and the smoke exhaust holes 311 are distributed in an annular shape at equal intervals.

In this embodiment, hold pot support frame 1 and pass through the top surface fixed connection of bolt and furnace body 2, the mode of fixing through the bolt is not only convenient for fix holding pot support frame 1 on furnace body 2, is convenient for hold the stable support pan of pot support frame 1, and the dismouting of being convenient for of bolt fastening holds pot support frame 1 moreover, conveniently clears up and installs etc..

In this embodiment, the number of the smoke discharge holes 311 is 7-9, the diameter of the smoke discharge holes 311 is 18mm, the preferential number of the smoke discharge holes 311 is 8, and the arrangement of the 8 smoke discharge holes 311 is beneficial to timely discharge of smoke.

It should be added that, in this embodiment, the heat reflection energy-saving plate 31 is fixedly connected with the inner wall of the furnace body 2 through bolts, and the bolt fixing manner is firm and stable in connection, so as to facilitate fixing the heat reflection energy-saving plate 31.

Referring to fig. 4-7, a premixed combustion mechanism 4 is disposed in the cavity of the furnace body 2 below the heat reflection energy-saving mechanism 3. The premixed combustion mechanism 4 comprises an upper shell 41 and a lower shell 42 below the upper shell 41, a connecting pipe 421 is arranged on the bottom surface of the lower shell 42, a secondary flow distribution assembly 43 is arranged in the space between the upper shell 41 and the lower shell 42, the secondary flow distribution assembly 43 comprises a plurality of annular partition plates 431, and an annular flow distribution lamination 432 is arranged between every two adjacent partition plates 431; an oil containing basin 44 is arranged below the secondary flow dividing assembly 43, and the top surface of the oil containing basin 44 is of an open structure; the below of secondary reposition of redundant personnel subassembly 43 is equipped with two and is range upon range of diverters 45 that set up, has all seted up a plurality of gas pockets on the diverter 45.

In this embodiment, the two flow dividers 45 are made of stainless steel, and the plurality of air holes on the flow divider 45 are distributed in an annular shape at equal intervals, so that the flow divider 45 made of stainless steel has the advantages of corrosion resistance and the like, and is durable; the plurality of air holes are arranged to uniformly distribute the mixed gas and air to the plurality of fire holes between the partition plate 431 and the flow distribution lamination 432.

It should be added that in this embodiment, the plurality of partition plates 431 and the plurality of flow distribution laminations 432 are fixed in a stacked manner, and the flow distribution laminations 432 are provided with a plurality of protrusions in an annular and equidistant distribution, so that a plurality of rhombic fire holes are formed between the partition plates 431 and the flow distribution laminations 432, which is convenient for the mixture of gas and air to enter, and the flame is in a vortex shape when being sprayed out from the rhombic fire holes, so that the flame is not collided with fire by the burning fire, the burning fire is concentrated, the heating power is improved, and the burning noise is reduced; meanwhile, the plurality of partition plates 431 and the plurality of flow distribution laminations 432 are fixedly connected through bolts, and the partition plates 431 on the upper and lower sides are respectively fixedly connected with the inner top surface of the upper shell 41 and the oil containing basin 44 through bolts.

In addition, the upper casing 41 and the lower casing 42 in the embodiment are both of an open structure, and the upper casing 41 and the lower casing 42 are fixedly connected by bolts, and meanwhile, the upper casing 41 is fixedly connected with the heat reflection energy saving plate 31 by bolts.

Referring to fig. 8, an air supply mechanism 5 is disposed below the premix combustion mechanism 4. The air supply mechanism 5 comprises a three-way pipe 51, an opening at the top end of the three-way pipe 51 is communicated with a connecting pipe 421, an air supply pipe 52 is arranged at an opening at one side of the three-way pipe 51, a bottom sealing is arranged at an opening at the bottom end of the three-way pipe 51, an adjusting valve 55 is arranged on the air supply pipe 52, an air supply nozzle fixing position 53 is arranged inside the three-way pipe 51, and an air supply nozzle 54 is arranged on the air supply nozzle fixing position 53.

In this embodiment, the three-way pipe 51 and the air supply nozzle fixing portion 53 are integrally formed by die casting, and the integrally formed die casting has high structural strength, so that the use safety of the three-way pipe 51 is improved, and the air supply nozzle 54 is conveniently and stably mounted and fixed.

In this embodiment, the air supply nozzle fixing portion 53 is fixedly connected to the air supply nozzle 54 by a bolt, and the bolt is fixed in a manner that the connection is firm and stable, so that the air supply nozzle 54 is conveniently fixed on the air supply nozzle fixing portion 53, and the air supply nozzle 54 is conveniently detached.

It should be added that, in this embodiment, the top opening of the tee 51 is in threaded connection with the connecting pipe 421, and the opening on one side of the tee 51 is in threaded connection with the air supply pipe 52, so that the threaded connection is convenient to install, disassemble and assemble, and the connection has good sealing performance.

It is noted that both the supply air nozzle 54 and the seed air nozzle 63 are connected to the gas line, and this design facilitates a continuous and stable supply of gas to the supply air nozzle 54 and the seed air nozzle 63.

Referring to fig. 9 and 10, an ignition mechanism 6 is disposed in the furnace chamber of the furnace body 2 at one side of the pre-mixing type combustion mechanism 4. The ignition mechanism 6 comprises a flame chamber 61, a flame outlet 611 is arranged at the top end of the flame chamber 61, the inside of the flame chamber 61 is communicated with the flame outlet 611, the flame outlet 611 penetrates through the outer wall of the heat reflection energy-saving plate 31, a flame supply nozzle 63 is further arranged on the flame chamber 61, a flame chamber air supply pipe 62 is arranged at one side of the flame supply nozzle 63 in the flame chamber 61, and a pulse igniter 64 is arranged at the other side of the flame supply nozzle 63.

It should be added that the kindling chamber 61 is fixedly connected with the inner wall of the furnace chamber of the furnace body 2 through bolts, and the mode of bolt fixing not only makes the connection between the kindling chamber 61 and the furnace body 2 firm and stable, but also is convenient for disassembling and assembling the kindling chamber 61.

When the gas-air mixing three-way pipe is used specifically, gas is sprayed out from the gas supply nozzle at a certain flow rate and enters the lower shell 42, air enters the three-way pipe 51 from the gas supply pipe assembly 5, at the moment, the gas and air mixture is mixed in the lower shell 42 and is divided by the flow divider 45, under the action of the flow divider 45, the gas and air mixture enters the upper shell, and meanwhile, the fully mixed gas and air mixture is subjected to secondary flow division by the plurality of spacing plates 431 and the flow dividing lamination 432 which are arranged in a stacked mode and is sprayed out through gaps between the spacing plates 431 and the flow dividing lamination 432; meanwhile, the burner gas supply nozzle 63 sprays out gas, the gas is ignited under the action of the pulse igniter 64, the flame is sprayed out from the flame head 611 at the same time, the mixture of the gas and the air in the upper shell 41 is ignited, at the moment, a user flatly places the pot on the pot bearing support frame 1, the flame heats the pot, meanwhile, the smoke is discharged from the smoke discharge hole 311 on the heat reflection energy-saving plate 31, the flame and the smoke generate high temperature, under the action of the heat reflection energy-saving plate 31, part of residual heat is radiated to the pot in a reflecting mode, the temperature of the pot is increased, and the pot is gradually heated.

The following three experiments are used to illustrate the advantages of the energy-saving premixing burner provided by the present invention

Test 1

The test for the combustion thermal efficiency of the energy-saving premixing type combustor provided by the invention

1 test object: using a 5-inch environment-friendly premixing furnace head, an electromagnetic valve and a combustion controller; natural gas is used, the thermal load is designed to be 48kW, the main fire nozzle is 6 x phi 2.0mm, and the normal open fire nozzle is phi 0.7 mm. Rated air supply pressure 2000 Pa;

2 test conditions

2.1 ambient temperature: 30 ℃, atmospheric pressure: 100.3 kPa;

2.2, fuel gas: natural gas, gas temperature: 30.3 ℃, 2000Pa of rated pressure, 1.389 of relative density and 54.22MJ/m3 of low calorific value;

2.3 test tools: an atmospheric pressure gauge, a wet flowmeter, a pressure gauge and a thermometer;

3, test content: thermal efficiency

4 test recording and analysis:

4.1 analytical principle: the heat efficiency calculation formula is as follows:

Q _Z ＝M ₁ ×c _P ×(t ₂ -t ₁ )；

Q _W ＝M ₂ ×c _p ×(t′ ₂ -t′ ₁ )；

wherein the content of the first and second substances,Q _Z represents the actual heat absorbed by the water in the test pan in units (MJ); q _W Representing the actual heat absorbed by the water in the tail griddle in units (MJ); m ₁ Representing the amount of water added into the test pot in unit (Kg); m is a group of ₂ Representing the amount of water added into the tail griddle in units of (Kg);

4.2 test calculation results are shown in the following table:

5, test conclusion: according to the test data, the combustion thermal efficiency of the energy-saving premixing burner provided by the invention can reach the national standard energy efficiency level 2 (the thermal efficiency of the national standard energy efficiency level 2 is 35% -45%).

Test 2

The combustion stability of the fire species of the energy-saving premixing type combustor provided by the invention is tested

Test objects: the invention provides an energy-saving premixing burner and a traditional burner;

1 test tool: a gas flow meter and a pressure meter;

2, test conditions: ambient temperature: 21.8 ℃, humidity: 67%; the low heat value of the fuel gas is 34.02 MJ/h; relative density: 0.555; gas pressure: 2000 Pa;

3. content of test

3.1 the seeds are loaded on a standard frying furnace, and the use performance of the seeds is tested by increasing the heat load and the pressure in the hearth of the frying furnace. Firstly, the frying furnace is adjusted to have a better fire type and a furnace end fire according to the thermal load of 40KW, then under the condition that the fire type parameter is not changed, the frying furnace fire is increased to 60KW (the highest value of the national standard), the tunnel brick opening of the frying furnace is blocked by more than half to increase the pressure in a furnace chamber, the frying furnace is opened and seated for burning for 30 minutes, and the furnace fire is continuously switched on and off at variable time or fast or slowly. The fire species can work normally without unstable phenomena such as flameout in midway or severe deflagration.

3.2 stability of air source pressure change to kindling:

the seeds are well mixed at the standard pressure of 2000Pa of the air source, and the stove is friedThe thermal load of the furnace head is better adjusted when the air source pressure is 1000Pa (nozzle)

Firstly, regulating the pressure of a pressure regulating valve to be 900Pa and the thermal load to be 36KW), then gradually reducing the pressure of an air source from standard 2000Pa to 1000Pa, wherein the pressure fluctuation range of fuel gas is 50%, setting a pot for combustion, and testing the on-off of a furnace fire at irregular time during the test, wherein the fire can normally work (only the fire seedling becomes smaller, which is a normal phenomenon under the condition that the pressure of the fire is not regulated); the flame is better adjusted when the air source pressure is 1000Pa, and the furnace end flame is better adjusted when the air source pressure is 2000Pa (nozzle)

Regulating the pressure of a pressure regulating valve to 1350Pa and the thermal load to 48Kw), sitting a pan for craniotomy, gradually increasing the pressure of an air source from 1000Pa to 2000Pa (fluctuation of 50 percent of pressure of the air source), opening and closing a furnace fire at random during craniotomy, and observing that the fire species can still work normally (the fire seedling of the fire species is enlarged when the pressure of the air source is regulated to 2000Pa, and the fire species is not stabilized). The existing fire species can have unstable phenomena such as flameout, fire separation and the like when the pressure of an air source fluctuates between 300 and 350 Pa.

3.3 the combustion stability of the wind pressure fluctuation of the fan to the kindling system:

3.31 set test-related parameters:

1) furnace end air supply fan parameters (voltage 220V 50HZ, current 1.01A, power 116.5W, noise 76.6dB, fan full pressure 1.71KPa, air volume 223.5m 3/h);

2) furnace head thermal load 60kw (nozzle)

Pressure regulating valve 1600 Pa);

3) parameters of a seed-fire air supply fan (voltage 220V 50HZ, current 0.59A, power 130W, fan full pressure 3000Pa air volume 230m3/h) of a frying furnace, seed-fire air pressure 2000Pa, seed-fire air pressure 1700Pa and a nozzle

3.32 test contents:

when the wind pressure of the kindling is reduced from 1700Pa to 500Pa, the wind pressure of the kindling is slowly increased to 1700Pa (the fluctuation range of the wind pressure is 70 percent), and therefore, the phenomena of extinguishing the kindling, flame leaving and the like are not seen in the process of opening and closing the furnace fire at variable time. Therefore, the requirements of the flame external mixing combustion on wind pressure are not strict compared with the premixed combustion, and the adjustable range is wide.

4 conclusion

Compared with the traditional combustor, the energy-saving premixing combustor provided by the invention has the advantages that the application range of the energy-saving premixing combustor on the change of the gas pressure and the change of the gas pressure is wider, the debugging is easier, and the service life of the energy-saving premixing combustor provided by the invention is longer than that of the traditional combustor.

6.1 advantage

1) The energy-saving premixing burner provided by the invention can normally work when the air source pressure fluctuates by 50%, and the traditional burner can be flameout or smoke-free when the air source pressure fluctuates by 20%.

2) The energy-saving premixing burner provided by the invention is used for mixing and burning gas and air outside, and the flame temperature of the flame is not higher than that of the traditional burner, so that the service life of the energy-saving premixing burner provided by the invention is longer than that of the traditional burner.

3) The energy-saving premixing burner provided by the invention has lower requirement on the wind pressure of a fan than the traditional burner, and the fan is easier to purchase.

Test 3

1. The test purpose is as follows:

1.1 testing main parameters of a reflecting plate and a non-reflecting plate on the heat reflection energy-saving plate, and clearly determining the using effect of the heat reflection energy-saving plate on the energy-saving frying stove or not;

1.2 the minimum required parameters of the energy-saving frying furnace for the fan;

1.3 the new fire species is tested to have no bad phenomena such as serious deflagration and the like on the energy-saving frying stove.

2, test conditions: the relative density of natural gas is 0.555, the lower heat value is 34.02MJ/h, the rated pressure is 2000Pa, the relative density of standard petroleum gas is 1.682, the lower heat value is 95.12MJ/h, and the rated pressure is 2800 Pa;

3, testing tool: a gas flowmeter, a stopwatch, an atmospheric pressure gauge, a thermometer and a pressure gauge;

4, test contents: 38KW and 40KW of heat load (natural gas) of the frying furnace are respectively used for testing, and the water boiling time and the heat efficiency are respectively tested by installing a reflecting plate and not installing the reflecting plate, and the tested parameters are as follows:

the data in the table show that 38KW after the heat reflection energy-saving plate is additionally arranged is equivalent to 48KW of the original frying furnace, and the energy is saved by 20.8 percent. The energy-saving premixing burner provided by the invention adopts a premixing combustion mode, so that the flame of the flame is longer than that of a common burner, and the flame of the flame is more easily contacted with the flame of a burner head;

on the basis of adding the frying furnace with an energy-saving plate and a heat load of 38KW, a G009 fan, a FASCO iron shell fan, a FASCO fan (115V 50Hz 60Hz), a newly developed combined fan of a company and a SOHON fan are respectively used for flue gas test, test gas respectively comprises natural gas and petroleum gas, and the tested parameters are as follows:

it can be seen from the test data that if the thermal load is 38KW, a fan with a wind pressure of 1000Pa and an air volume of 200m3/h can be theoretically selected, but in actual use, both the wind pressure and the air volume of the fan need to be increased, so that the wind pressure and the air volume of the fan needed when the chef requires to increase the thermal load are increased, and the wind pressure and the air volume of the fan of the energy-saving frying stove are comprehensively considered to be not less than 1200Pa (full pressure) and not less than 220m 3/h.

5 conclusion

1) After the heat reflection energy-saving plate is additionally arranged, 20.8 percent of energy can be saved;

2) the energy-saving premixing burner provided by the invention can solve the deflagration problem of an energy-saving frying stove;

3) the wind pressure (full pressure) of a fan used by the energy-saving frying furnace is not less than 1200Pa, and the component is not less than 220m 3/h.

From the three tests, the energy-saving premixing burner provided by the invention has obvious advantages in various aspects such as combustion thermal efficiency, energy-saving index, service life and the like compared with the common burner.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an energy-conserving formula combustor of mixing in advance, is including holding pot support frame (1) that is used for supporting the pan, its characterized in that: a furnace body (2) is arranged below the pot bearing support frame (1), and a furnace chamber is arranged on the top surface of the furnace body (2); be equipped with heat reflection energy-saving mechanism (3) in the furnace chamber of furnace body (2), the below department that lies in heat reflection energy-saving mechanism (3) in the furnace chamber of furnace body (2) is equipped with mixes formula burning mechanism (4) in advance, lie in the furnace chamber of furnace body (2) and mix formula burning mechanism (4) one side department in advance and be equipped with ignition mechanism (6), mix the below of formula burning mechanism (4) in advance and be equipped with air feed mechanism (5).

2. The energy-saving premix burner as in claim 1, wherein: the heat reflection energy-saving mechanism (3) comprises a heat reflection energy-saving plate (31), the center of the heat reflection energy-saving plate (31) is in an open type, a plurality of smoke exhaust holes (311) are formed in the heat reflection energy-saving plate (31), and the smoke exhaust holes (311) are distributed in an annular mode at equal intervals.

3. The energy-saving premixing burner as recited in claim 1, wherein: the premixing type combustion mechanism (4) comprises an upper shell (41) and a lower shell (42) below the upper shell (41), a connecting pipe (421) is arranged on the bottom surface of the lower shell (42), a secondary flow distribution assembly (43) is arranged in the inner part between the upper shell (41) and the lower shell (42), the secondary flow distribution assembly (43) comprises a plurality of annular partition plates (431), and annular flow distribution lamination sheets (432) are arranged between every two adjacent partition plates (431); an oil containing basin (44) is arranged below the secondary flow distribution assembly (43), and the top surface of the oil containing basin (44) is of an open structure; the below of secondary reposition of redundant personnel subassembly (43) is equipped with two shunt (45) that are range upon range of setting, a plurality of gas pockets have all been seted up on shunt (45).

4. The energy-saving premix burner as in claim 1, wherein: air feed mechanism (5) are including three-way pipe (51), the top end opening and connecting pipe (421) of three-way pipe (51) are linked together, one side opening part of three-way pipe (51) is equipped with air feed pipe (52), the bottom end opening part of three-way pipe (51) is equipped with the back cover, be equipped with adjusting valve (55) on air feed pipe (52), the inside of three-way pipe (51) is equipped with air feed nozzle fixed position (53), be equipped with air feed nozzle (54) on the air feed nozzle fixed position (53).

5. The energy-saving premix burner as in claim 1, wherein: ignition mechanism (6) are including kindergarten's room (61), the top of kindergarten's room (61) is equipped with out flame (611), the inside of kindergarten's room (61) is linked together with a flame (611), the outer wall of the energy-conserving board of heat reflection (31) is passed in a flame (611), still be equipped with kindergarten's air feed nozzle (63) on the kindergarten's room (61), one side department that is located kindergarten's air feed nozzle (63) in kindergarten's room (61) is equipped with kindergarten's room air feed pipe (62), the opposite side of kindergarten's air feed nozzle (63) is equipped with impulse ignition ware (64).

6. The energy-saving premix burner as in claim 4, wherein: the three-way pipe (51) and the air supply nozzle fixing position (53) are integrally formed by die casting.

7. The energy-saving premix burner as in claim 1, wherein: the pot bearing support frame (1) is fixedly connected with the top surface of the furnace body (2) through bolts.

8. The energy-saving premix burner as in claim 3, wherein: two shunt (45) all adopt stainless steel material to make, just a plurality of gas pockets on shunt (45) are the equidistant distribution of annular.

9. The energy-saving premix burner as in claim 4, wherein: the air supply nozzle fixing position (53) is fixedly connected with the air supply nozzle (54) through a bolt.

10. The energy-saving premix burner as in claim 2, wherein: the number of the smoke exhaust holes (311) is 7-9, and the diameter of each smoke exhaust hole (311) is 18 mm.