CN102734797A

CN102734797A - Household forced full pre-mixing energy-saving burning device

Info

Publication number: CN102734797A
Application number: CN2011100955574A
Authority: CN
Inventors: 应哲林
Original assignee: 应哲林
Current assignee: Zhejiang Meida Industrial Co Ltd
Priority date: 2011-04-15
Filing date: 2011-04-15
Publication date: 2012-10-17
Anticipated expiration: 2031-04-15
Also published as: CN102734797B

Abstract

The invention relates to a household forced full pre-mixing energy-saving burning device, consisting of a burner body, a gas distributor, an igniting device, a mixed gas input tube, a disk-shaped heat collection supporting plate, wherein a burner is divided into an upper mixed gas cavity and a lower mixed gas cavity by a separating layer; the gas distributor is arranged at the inner side of a burner shell, and is provided with a multilayer fire hole; and the disk-shaped heat collection supporting plate is further connected to the outer wall of the burner body. A vertically-laminated multilayer gas mixing cavity is used on the main body, so air and gas blown by an air blower are sufficiently mixed in a gas cavity through whirlwind and baffling for many times and is injected through the multilayer fire hole for burning. Furthermore, the speed of contact and exchange circulation of the burned heat energy gas and atmosphere is decreased by additionally arranging the heat collection supporting plate connected to the outer wall of the burner body, so that the time of retaining at a part of a heating surface of a pot is longer. Thus, the thermal efficiency is greatly improved. The effects of guiding fire, collecting fire and retaining high-temperature smoke can be realized by arranging a fire stopping ring, a fire collecting plate and the heat collection supporting plate from inside to outside; and the loss of heat energy is greatly reduced.

Description

The full premix energy-saving combustion apparatus of the strong drum of family expenses

Technical field

The present invention relates to household gas utensils, the full premix energy-saving combustion apparatus of the strong drum of family expenses that specifically a kind of primary air initiatively is blown into air blast.

Background technology

As everyone knows; Common household gas range is that gas kitchen ranges is made up of gas-cooker body, burner, igniter, pot frame; Burner is that ring-type comprises burner body, fires fiery distributor (also have and be the fire lid), primary air induction tunnel; Fire fiery distributor and burner body and cover combustion gas and the Air mixing air cavity that constitutes ring-type, the primary air induction tunnel is connected with burner body, in combustion gas High velocity streamNear the air of injecting can sucking simultaneously gets into the injection tracheae, arrives mixed air cavity then, and the burning fire hole then is arranged on fiery distributor of combustion or the burner body; When such atmospheric burner uses, required air, the one, suck naturally by jet pipe; Mix again from fire hole outflow ignition combustion at mixed air cavity, because the top and the below of burner are all empty, so not enough air is additional by the inboard and the outside of flame; Could let combustion gas fully burn, make the requirement of the flue gas allow compliance with emission standards of generation, show according to detected data; The primary air inhalation rate coefficient of this atmospheric gas kitchen range generally is 0.5-0.7; Combustion gas is fully burnt then requiring air is more than 1.0, that is to say that a large amount of air replenishes while burning at fire output hole, that is to say it is to lean on secondary supplement.Common natural induced air type family expenses kitchen range are owing to must there be replenishing of auxiliary air, and total air coefficient is more than 1.7.So will ventilate around the burner guaranteeing outsidely constantly have new air to mend, and cause the thermal efficiency to reduce into, but rapidly a large amount of runaways of heat energy that the air-flow that forms of ventilating flows fast and can cause the burner periphery again.The thermal efficiency >=50% of the embedded gas-cooker of present national standard, the desk-top kitchen range thermal efficiency >=55.The gas-cooker power that meets this standard is that the diameter of its burner of 3KW-4.5KW is all about 120mm.The integrated kitchen range thermal efficiency requires to work out, and integrated in recent years kitchen range development rapidly, and is because integration kitchen range is that the kitchen range smoke extractor combines, very big to the influence of the kitchen range thermal efficiency when opening the smoke exhaust ventilator blower fan.

Summary of the invention

The object of the present invention is to provide a kind of primary air initiatively to be blown into and need not the full premix energy-saving combustion apparatus of strong drum that auxiliary air replenishes, the thermal efficiency is high with air blast.

The concrete thinking of technical scheme that realizes the object of the invention is: one, through design air blast air demand make air coefficient 1.1-1.3 about, reduce exhaust gas volumn in a large number, improved flue-gas temperature and helped heat exchange; Two, again through the restriction discharge flue, with reach the lengthening flue gas holdup time from and improved hot effect efficient; Three, owing to be that combustion air is that air blast is pressed into (forced burning),, realize concentrating heating and improve heating rate so the burning cavity is very littler than just with conventional burner.

Structure is formed: be made up of burner upper shell, burner lower house and the separate layer that is arranged between upper and lower casing; This separate layer is divided into air mixture epicoele and air mixture cavity of resorption with the air mixture chamber of burner; Be communicated with the intercommunicating pore of offering on the separate layer between them, gas inlet pipe is connected with the burner lower house and communicates with the air mixture cavity of resorption, fires the inboard that fiery distributor is arranged on the burner upper shell; It is provided with the multilayer fire hole from top to bottom; On the burner body outer wall, also be connected with plate-like thermal-arrest supporting disk, this thermal-arrest supporting tray frame if be connected by disk body is connected on the gas-cooker panel, is provided with the pan leg in its dish; The dish arranged outside has disc feet or bracing ring, and the disc support foot rest props up on the gas-cooker panel; The combustion gas distributor can be made up of air flue ring and spacer ring stack, and this air flue ring endoporus stretches out and offers radial or spiral helicine long and narrow breach, and the spacer ring external diameter is less than the diameter of air flue ring breach depths; Can also be connected with firestopping ring on the burner upper shell top area; Also can also be connected with on the burner upper shell at the firestopping ring of inboard and the fire baffle disk between the plate-like thermal-arrest supporting disk in the outside, this fire baffle disk is bowl-shape, and the upper edge hole of dish is set as dentation; Burner can be provided with the center duration and degree of heating; The gas inlet pipe of center duration and degree of heating also can be the injection type appendix that is provided with separately.

The full premix energy-saving combustion apparatus of strong drum of the present invention; Adopt the multilayer air mixture chamber of stacked on top of one another on the body; Make air that air blast is blown into and combustion gas through eddy flow repeatedly and baffling in air cavity, fully mix with make the pressure trend consistent after again by the multilayer fire hole ejection burning of burner medial surface; Add again and be connected the thermal-arrest supporting disk on the burner body outer wall; Let the heat energy gas after burning contact and exchange the speed decline of circulating with atmosphere, the time that is trapped in pan heating surface position is longer, thereby has improved the thermal efficiency greatly; The firestopping ring of from-inner-to-outer setting, fire-collecting disk, thermal-arrest supporting disk have played and have led fire, held together fire and be detained the effect of high-temperature flue gas, thereby have reduced the loss of heat energy more.

Description of drawings

Fig. 1 is the example structure sketch map that the present invention is applied in desk-top or built-in type cooker

Fig. 2 is the front view of the embodiment of the invention

Fig. 3 is the A-A cut-away view of the embodiment of the invention

Fig. 4 is the thermal-arrest supporting disk front view of application integration kitchen range of the present invention

Fig. 5 is the front view of the air flue ring of the embodiment of the invention

Fig. 6 is the front view of the spacer ring of the embodiment of the invention

Fig. 7 is the air flue ring and the spacer ring aggregate erection structural representation of the embodiment of the invention.

The specific embodiment

Below in conjunction with embodiment the present invention is further specified.Following embodiment only is used to explain technical scheme of the present invention, but to not restriction of the present invention.

Embodiment one

Shown in Fig. 1 to 7; The full premix energy-saving combustion apparatus of the strong drum of family expenses of the present invention; When being applied on the built-in type cooker, each parts is gas-cooker body 1, burner 2, the gas inlet pipe 3 that is connected with burner 2, combustion gas distributor 4, igniter 5, firestopping ring 6, thermal-arrest supporting disk 7.

Burner 2 is to be made up of burner upper shell 21, burner lower house 22 and the separate layer 23 that is arranged on 21,22 of upper and lower casings; This separate layer 23 is divided into air mixture epicoele 2a1 and air mixture cavity of resorption 2a2 with the air mixture chamber 2a of burner 2, is communicated with the intercommunicating pore 23a that offers on the separate layer 23 between them.

Combustion gas distributor 4 is that five layers of air flue ring 41 and the 42 intersection stacks of five interlayer spacer rings constitute; Air flue ring 41 endoporus stretch out and offer radial or spiral helicine long and narrow breach 41a; Spacer ring 42 external diameters are less than the innermost diameter of air flue ring 41 long and narrow breach 41a, and just air flue ring 41 and spacer ring 42 are can not the long and narrow breach 41a on the air flue ring 41 all be hidden after cross layered.

Thermal-arrest supporting disk 7 is the disk bodies 71 by center drilling, the pan leg 72 that is provided with in the disk body 71, disc feet or 73 formations of bracing ring of dish arranged outside; Pan leg 72 has six to be distributed on the same circumference; Feet or bracing ring 73 are connected disk body 71 outsides, pan leg 72 tops, and just disk body 71 upper edge hole places are provided with protruding 74; Be used for propping up and hold pan, its height of projection defines the gap length in the thermal-arrest supporting disk 7 and the bottom of a pan.Certainly pan leg 72 can be designed to various ways; Best mode is the convex tendon of radial distribution; Also have above-mentioned thermal-arrest supporting disk 7 to integrate the enclosure shape of processing cross section hollow to disk body 71 and bracing ring 73; The convex tendon of radial distribution is set on the enclosure inner concave, and the vacancy can vacuumize to improve heat insulating ability or splendid attire cold water and carry out UTILIZATION OF VESIDUAL HEAT IN in the enclosure.

Burner 2 is connected on the gas-cooker body 1; Gas inlet pipe 3 is connected with burner lower house 21 and communicates with air mixture cavity of resorption 2a2; Combustion gas distributor 4 is arranged on the inboard of burner upper shell 21; It has multilayer fire hole 43 from top to bottom, and firestopping ring 6 is connected on burner upper shell 21 tops, and its internal diameter and burner upper shell 21 similar (close) cross section are " ﹄ " shape.

Disk body 71 perforates of plate-like thermal-arrest supporting disk 7 and the shell of burner upper shell 21 are complementary and are sleeved on burner upper shell 21 shells, and the pan leg 72 of thermal-arrest supporting disk 7 sets up or is connected on gas-cooker 1 panel.

By knowing among Fig. 3; On burner upper shell 21, also be connected with the most inboard firestopping ring 6 and the fire baffle disk 8 between outermost plate-like thermal-arrest supporting disk 7; This fire baffle disk 8 is bowl-shape, still is provided with double wedge 81 at the upper edge hole of disk body, and burner 2 also is provided with center duration and degree of heating 9; The gas inlet pipe 91 of this center duration and degree of heating 9 is the air suspended type injection type appendixs that are provided with separately.

During work; Combustion gas and air blast mixing are after gas inlet pipe 3 is input to the air mixture cavity of resorption of burner lower house 22; Make combustion gas and air mix and make hydrostatic head be evenly distributed by the rotation of direction; Get into the air mixture epicoele of burner upper shell 21 again via the intercommunicating pore 23a on the separate layer 23, through fire hole rotation ejection, the direction of rotation is consistent with burner lower house 22 combustion gas direction of rotation at burner upper shell 21 in combustion gas; Fire hole can level penetrate or upwards ejaculation burning of low-angle, and the axis that is to say fire hole can be that level also can be that individual inclination angle is upwards arranged.Burned flame fills the air out after firestopping ring 6, fire baffle disk 8 gatherings upwards contact with pan bottom centre is regional.

By knowing among Fig. 3; When using pan, pan is that the convexity 74 by thermal-arrest supporting disk 7 directly supports the very for a short time 3-10mm that is merely of the spacing of the bottom of a pan and thermal-arrest supporting disk 7; And the spacing in fire baffle disk 8 and the bottom of a pan is just greater than the spacing of the bottom of a pan and thermal-arrest supporting disk 7, apart from being about 10-20mm.When using the point end (round bottom) pot, just can be without fire baffle disk 8, pan is by leg 72 supports of thermal-arrest supporting disk 7.

Owing to adopt the multilayer air mixture chamber of stacked on top of one another on the burner body; Make air that air blast is blown into and combustion gas through eddy flow repeatedly and baffling in air cavity, fully mix with make the pressure trend consistent after again by the multilayer fire hole ejection burning of burner medial surface; Add and be connected the thermal-arrest supporting disk on the burner body outer wall, let the heat energy gas after burning contact and exchange the speed decline of circulating with atmosphere, the time that is trapped in pan heating surface position is longer; Thereby improved the thermal efficiency greatly; The firestopping ring of from-inner-to-outer setting, fire-collecting disk, thermal-arrest supporting disk have played and have led fire, held together fire and be detained the effect of high-temperature flue gas, realize concentrating heating and improve heating rate, thereby reduced the loss of heat energy more; The regional bulk temperature of combustion fire has been had to be much improved; Improved much than existing atmospheric gas kitchen range, so just can guarantee under the prerequisite of same power, little many of the burner that the burning cavity is done than conventional.

Claims

1. one kind strong is roused full premix energy-saving combustion apparatus; The combustion gas distributor, igniter, the mist input pipe that comprise burner body, match and be connected with burner body; It is characterized in that: described burner is to be made up of burner upper shell, burner lower house and the separate layer that is arranged between upper and lower casing; This separate layer is divided into air mixture epicoele and air mixture cavity of resorption with the air mixture chamber of burner, is communicated with the intercommunicating pore of offering on the separate layer between them, and gas inlet pipe is connected with the burner lower house and communicates with the air mixture cavity of resorption; Fire fiery distributor and be arranged on the inboard of burner upper shell; It is provided with the multilayer fire hole from top to bottom, on the burner body outer wall, also is connected with plate-like thermal-arrest supporting disk, and this thermal-arrest supporting tray frame if be connected by disk body is connected on the gas-cooker panel; Be provided with the pan leg in its dish, the dish arranged outside has disc feet or bracing ring.

2. the full premix energy-saving combustion apparatus of strong drum as claimed in claim 1; It is characterized in that: described combustion gas distributor is made up of air flue ring and spacer ring stack; This air flue ring endoporus stretches out and offers radial or spiral helicine long and narrow breach, and the spacer ring external diameter is less than the diameter of air flue ring breach depths.

3. according to claim 1 or claim 2 the full premix energy-saving combustion apparatus of strong drum is characterized in that: also be connected with the firestopping ring that is arranged on the top on the described burner upper shell.

4. the full premix energy-saving combustion apparatus of strong drum as claimed in claim 3 is characterized in that: also be connected with the fire baffle disk between firestopping ring and plate-like thermal-arrest supporting disk on the described burner upper shell, this fire baffle disk is bowl-shape, and the upper edge hole of dish is set as dentation.

5. the full premix energy-saving combustion apparatus of strong drum as claimed in claim 4, it is characterized in that: described burner also is provided with the center duration and degree of heating.

6. the full premix energy-saving combustion apparatus of strong drum as claimed in claim 5 is characterized in that: the gas inlet pipe of said center duration and degree of heating is the injection type appendix that is provided with separately.