CN201412851Y

CN201412851Y - Lean-burn energy-saving combustor

Info

Publication number: CN201412851Y
Application number: CN2009200937288U
Authority: CN
Inventors: 周佳强
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-03
Filing date: 2009-06-03
Publication date: 2010-02-24
Anticipated expiration: 2019-06-03

Abstract

The utility model discloses a lean-burn, energy-saving combustor made up of an inner core, an upper cover cap and a base, wherein, a plurality of main combustion spray orifices are formed in a penetrating manner on the upper end cover of the inner core, the main combustion spray orifices are communicated with an upper main fuel gas chamber and a lower main fuel gas chamber, a plurality of auxiliary spray orifices are arranged obliquely on the circumference of the outer side wall of the inner core below the upper end cover of the inner core, a circle of groove is formed on the outer side wall of the inner core at the lower ends of the auxiliary combustion spray orifices, a circle of auxiliary fuel gas premixing spacers are arranged on the outer side wall of the inner core at the upper end of a raised ring at the lower end of the inner core, a plurality of auxiliary combustion passages are arranged in a penetrating manner on the circumference of the auxiliary fuel gas premixing spacers,the upper cover cap covers the inner cover, an inwardly inclined surface is arranged on the inner side wall of the upper cover cap, an upper auxiliary fuel gas chamber is formed among the inclined surface arranged on the inner side wall of the upper cover cap, a part of the outer side wall of the inner cover and the groove on the outer side wall of the inner core, and the auxiliary combustion orifices, the upper auxiliary fuel gas chamber, the auxiliary combustion passages and a lower auxiliary fuel gas chamber are communicated. The combustor is provided with a main combustion system as well as an auxiliary combustion system, and has the advantages of energy conservation, high efficiency, and environmental protection.

Description

Lean-burn, energy-saving burner

Technical field

The utility model relates to a kind of gas burner, particularly a kind of lean-burn, energy-saving burner.

Background technology

The used burner of present most gas-cooker adopts is that combustion gas follows air to mix direct combustion system to carry out work, torch flammable premixed gas body does not rely on an other burning things which may cause a fire disaster condition ignition, experimental results show that the combustion mixture combustion case is relevant with gas concentration in the gaseous mixture, adopt combustion gas to mix problems such as direct combustion system ubiquity burning is abundant inadequately, combustion velocity is slow, the thermal efficiency is low with air, caused the significant wastage of combustion gas, energy loss is more serious.

Summary of the invention

For effective use of energy sources, the fuel gas buring that the direct combustion system of the existing torch combustion gas of solution occurs is insufficient, the problem of highly energy-consuming, a kind of lean-burn, energy-saving burner that the utility model provides.

The utility model is by inner core, upper cover, base is formed, inner core is placed on the base, the base upper end is provided with a protruding circle, the inner core lower end also is provided with a protruding circle, the internal diameter of the protruding circle of external diameter and inner core lower end of the protruding circle in base upper end is complementary, to guarantee that inner core can firmly be placed on the base, penetrating several main combustion spray orifices that is provided with on the inner core upper end cover, main combustion spray orifice to around the certain angle setting of tilting, the inner core upper end cover is a spill, inner core is a hollow, the hollow part is last main fuel chamber, the inner core lower end is following main fuel chamber, go up main fuel chamber and be provided with main combustion gas premix partition between the main fuel chamber down, penetrating several the main combustion gas through holes that is provided with of main combustion gas premix partition, going up main fuel chamber is connected with following main fuel chamber, the lower end of main fuel chamber is provided with a main combustion gas entering opening down, main combustion gas entering opening place is provided with the injector of main combustion gas, main fuel chamber is screwed on the madial wall of inner core down, main fuel chamber is positioned at base down, main combustion spray orifice and last main fuel chamber, down main fuel chamber is communicated with, oblique several the auxilliary combustion spray orifices that is provided with in border on the lateral wall of inner core upper end cover below inner core, the lateral wall of the lower end inner core of auxilliary combustion spray orifice is provided with a circle groove, the upper end inner core lateral wall of the protruding circle in inner core lower end is provided with a circle projection as auxilliary combustion gas premix partition, auxilliary combustion gas premix partition border is provided with several penetrating auxilliary combustion passages, base is a hollow, the base hollow part is down auxilliary fuel chamber, auxilliary combustion passage is communicated with down auxilliary fuel chamber, the lower end of auxilliary fuel chamber is provided with an auxilliary combustion gas entering opening down, auxilliary combustion gas entering opening is provided with the injector of an auxilliary combustion gas, and following main fuel chamber and down auxilliary fuel chamber air inlet respectively do not disturb mutually.

Upper cover covers on the inner core, the external diameter of the protruding circle of the external diameter of upper cover and inner core lower end is complementary, the external diameter of the internal diameter of upper cover lower end and inner core lower end projection is complementary, one intilted inclined-plane is set on the madial wall of the upper end upper cover of adjacent inner core projection, this inclined-plane is corresponding with the inner core lateral wall of inner core sidewall upper groove bottom, set inclined-plane of upper cover madial wall and inner core are divided form upward auxilliary fuel chamber between the groove of lateral wall and inner core lateral wall, auxilliary combustion spray orifice, go up auxilliary fuel chamber, auxilliary combustion passage, auxilliary down fuel chamber is connected, the external diameter of the set auxilliary combustion spray orifice part lateral wall of madial wall aperture, upper part, upper cover inclined-plane and inner core lateral wall is complementary, the top cover of upper cover is hollow, in hollow interior border is provided with a circle, prolong, in the internal diameter that prolongs and the bottom external diameter of inner core upper end cover be complementary.

Operation principle of the present utility model: the utility model is provided with two cover combustion systems, following auxilliary fuel chamber in the base, auxilliary combustion passage, go up auxilliary fuel chamber, auxilliary combustion spray orifice constitutes standby firing system, following main fuel chamber, main combustion gas premix partition, go up main fuel chamber, main combustion spray orifice constitutes main combusting system, two cover combustion system air inlets respectively, do not disturb mutually, standby firing system provides the partly-premixed gas that closes during work, main combusting system provides lean-burn gas (gas that fuel gas mixture concentration is lower than the flame propagation concentration limit is called lean-burn gas), light the partly-premixed gas that closes in the standby firing system earlier, open main combusting system simultaneously, be that lean-burn gas in the main combusting system is created a hot environment that continues to flow and the steady flame carrier of a fluid flame-type under the effect of standby firing system high strength sustained combustion, force the lean-burn gas of main combusting system to carry out fast constantly, safety, combustion reaction fully, set main combustion spray orifice is obliquely installed the area of heat-supply service that can increase burner on the inner core upper end cover, and what upper end cover was made matrix makes heating more even with the outstanding bottom of heating vessel is corresponding.

The beneficial effects of the utility model: major-minor two cover combustion systems, optimize burning situation and greatly improved combustibility again, realize high efficiency lean combustion mode, realize that simultaneously heat by the big intensity of convection current, transmission expeditiously, forms major-minor in conjunction with interactive combustion system, the thermal efficiency is up to 45%, energy-conservation more than 60%, be widely used in hotel, restaurant, unit dining room, energy-conservation, efficient, environmental protection, use the combustion gas kind extensive, natural gas, liquefied petroleum gas, artificial gas all can.

Description of drawings

Fig. 1 front section view of the present utility model.

Fig. 2 the utility model is removed the side view of upper cover.

Fig. 3 the utility model is removed the vertical view of upper cover.

1, inner core 2, upper cover 3, base 11, protruding circle 12, protruding circle

13, upper end cover 14, main combustion spray orifice 15, go up main fuel chamber 16, main fuel chamber down

17, auxilliary combustion spray orifice 18, groove 19, auxilliary combustion gas premix partition 20, auxilliary combustion passage

21, upward auxilliary fuel chamber 22, auxilliary fuel chamber 23, inclined-plane 24, auxilliary combustion gas entering opening down

25, top cover 26, in prolong 27, main combustion gas entering opening 28, main combustion gas premix partition

30, injector 32, the main combustion gas through hole of the injector 31 of main combustion gas, auxilliary combustion gas.

The specific embodiment

See also Fig. 1, Fig. 2, shown in Figure 3: the utility model is by inner core 1, upper cover 2, base 3 is formed, inner core 1 is placed on the base 3, base 3 upper ends are provided with a protruding circle 11, inner core 1 lower end also is provided with a protruding circle 12, the internal diameter of the protruding circle 12 of the external diameter of the protruding circle 11 in base 3 upper ends and inner core 1 lower end is complementary, to guarantee that inner core 1 can firmly be placed on the base 3, penetrating several main combustion spray orifices 14 that is provided with on inner core 1 upper end cover 13, main combustion spray orifice 14 to around the certain angle setting of tilting, inner core 1 is a hollow, the hollow part is last main fuel chamber 15, inner core 1 lower end is following main fuel chamber 16, go up main fuel chamber 15 and be provided with main combustion gas premix partition 28 between the main fuel chamber 16 down, main combustion gas premix partition 28 penetrating several main combustion gas through holes 32 that are provided with, going up main fuel chamber 15 is connected with following main fuel chamber 16, the lower end of main fuel chamber 16 is provided with a main combustion gas entering opening 27 down, main combustion gas entering opening 27 places are provided with the injector 30 of main combustion gas, the tail end of the injector 30 of main combustion gas is connected with a blower fan, the power of the used driving alternating current generator of blower fan is 300w, main fuel chamber 16 is screwed on the madial wall of inner core 1 down, main fuel chamber 16 is positioned at base 3 down, main combustion spray orifice 14 and last main fuel chamber 15, down main fuel chamber 16 is communicated with, oblique several the auxilliary combustion spray orifices 17 that is provided with in border on the lateral wall of inner core 1 upper end cover below, the lateral wall of the lower end inner core 1 of auxilliary combustion spray orifice 17 is provided with a circle groove 18, the upper end lateral wall of the protruding circle 12 in inner core 1 lower end is provided with a circle projection as auxilliary combustion gas premix partition 19, auxilliary combustion gas premix partition 19 borders are provided with several penetrating auxilliary combustion passages 20, base 3 is a hollow, base 3 hollow parts are down auxilliary fuel chamber 22, auxilliary combustion passage 20 on the auxilliary combustion gas premix partition 19 is communicated with down auxilliary fuel chamber 22, the lower end of auxilliary fuel chamber 22 is provided with an auxilliary combustion gas entering opening 24 down, auxilliary combustion gas entering opening 24 is provided with the injector 31 of an auxilliary combustion gas, and following main fuel chamber 16 and down auxilliary fuel chamber 22 air inlet respectively do not disturb mutually.

Upper cover 2 covers on the inner core 1, the external diameter of the protruding circle 12 of the external diameter of upper cover 2 and inner core 1 lower end is complementary, the external diameter of the auxilliary combustion gas premix partition 19 in the internal diameter of upper cover 2 lower ends and inner core 1 lower end is complementary, one intilted inclined-plane 23 is set on the madial wall of the upper end upper cover 2 of adjacent auxilliary combustion gas premix partition 19, this inclined-plane 23 is corresponding with the inner core lateral wall of inner core 1 sidewall upper groove 18 bottoms, make to form between the groove 18 of the set inclined-plane 23 of upper cover 2 madial walls and inner core 1 part lateral wall and inner core 1 lateral wall and go up auxilliary fuel chamber 21, auxilliary combustion spray orifice 17, go up auxilliary fuel chamber 21, auxilliary combustion passage 20, auxilliary down fuel chamber 22 is connected, the external diameter of upper cover madial wall aperture, 23 upper part, 2 inclined-plane and the set auxilliary combustion spray orifice 17 part lateral walls of inner core 1 lateral wall is complementary, the top cover 25 of upper cover 2 is hollow, in hollow interior border is provided with a circle, prolong 26, in prolong 26 internal diameter and the bottom external diameter of inner core 1 upper end cover 13 is complementary.

Claims

1, a kind of lean-burn, energy-saving burner, be by inner core (1), upper cover (2), base (3) is formed, inner core (1) is placed on the base (3), it is characterized in that: inner core (1) upper end cover (13) is gone up penetrating several main combustion spray orifices (14) that is provided with, inner core (1) is a hollow, the hollow part is a last main fuel chamber (15), inner core (1) lower end is following main fuel chamber (16), going up main fuel chamber (15) is communicated with following main fuel chamber (16), the lower end of main fuel chamber (16) is provided with a main combustion gas entering opening (27) down, main combustion gas entering opening (27) locates to be provided with the injector (30) of main combustion gas, main combustion spray orifice (14) and last main fuel chamber (15), main fuel chamber (16) is communicated with down, oblique several the auxilliary combustion spray orifices (17) that is provided with in border on the lateral wall of inner core (1) upper end cover (13) below, the lateral wall of the lower end inner core (1) of auxilliary combustion spray orifice (17) is provided with a circle groove (18), the border is provided with auxilliary combustion gas premix partition (19) on the lateral wall of inner core (1) lower end, auxilliary combustion gas premix partition (19) is provided with several penetrating auxilliary combustion passages (20), auxilliary combustion passage (20) is communicated with the following auxilliary fuel chamber (22) that is positioned at base (3), the lower end of auxilliary fuel chamber (22) is provided with an auxilliary combustion gas entering opening (24) down, auxilliary combustion gas entering opening (24) tail end is provided with the injector (31) of an auxilliary combustion gas, upper cover (2) covers on the inner core (1), the external diameter of the auxilliary combustion gas premix partition (19) in the internal diameter of upper cover (2) lower end and inner core (1) lower end is complementary, on the madial wall of the upper end upper cover (2) of auxilliary combustion gas premix partition (19) an intilted inclined-plane (23) is set, this inclined-plane (23) and inner core (1) part lateral wall, form between the groove (18) and go up auxilliary fuel chamber (21), auxilliary combustion spray orifice (17), go up auxilliary fuel chamber (21), auxilliary combustion passage (20), auxilliary down fuel chamber (22) is connected, the external diameter of madial wall aperture, upper part, upper cover (2) inclined-plane (23) and the set auxilliary combustion spray orifice of inner core (1) lateral wall (17) part lateral wall is complementary, and the top cover (25) of upper cover (2) is hollow.

2, lean-burn according to claim 1, energy-saving burner is characterized in that: described main fuel chamber (16) down is screwed on the madial wall of inner core (1).

3, lean-burn according to claim 1 and 2, energy-saving burner, it is characterized in that: described going up between main fuel chamber (15) and the following main fuel chamber 16 is provided with main combustion gas premix partition (28), penetrating several the main combustion gas through holes (32) that is provided with of main combustion gas premix partition (28).

4, lean-burn according to claim 1, energy-saving burner is characterized in that: described main combustion spray orifice (14) to around be obliquely installed.

5, lean-burn according to claim 1, energy-saving burner is characterized in that: described upper end cover (13) is for spill.

6, according to each described lean-burn, energy-saving burner in the claim 1,2,4,5, it is characterized in that: the interior border of top cover (25) hollow parts of described upper cover (2) is provided with in the circle prolongs (26), in prolong upper end cover (13) bottom of the internal diameter of (26) and inner core (1) external diameter be complementary.