CN104359137A

CN104359137A - Combustion-improving pot rack of gas stove

Info

Publication number: CN104359137A
Application number: CN201410637641.8A
Authority: CN
Inventors: 巢雨
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-11-13
Filing date: 2014-11-13
Publication date: 2015-02-18

Abstract

The invention discloses a combustion-improving pot rack of a gas stove. The combustion-improving pot rack comprises a pot holder, a combustion catalysis plate, windproof cylinders capable of enclosing the whole flame and bottom legs, wherein the pot holder is arranged at the upper parts of the peripheries of the windproof cylinders; the combustion catalysis plate is of a combustion catalyst loaded porous plate and is mounted at the upper parts of the inner walls of the windproof cylinders; the support legs are arranged at the lower parts of the windproof cylinders. According to the combustion-improving pot rack of the gas stove, the single-function pot rack in the prior art is integrated with a combustion-improving device; the combustion of the combusted flame is catalyzed; the combustion-improving pot rack of the gas stove is simple in structure and high in effect; the windproof cylinders are capable of preventing the wind from blowing away the flame; by virtue of the porous plate, fire can be uniformly distributed, so that the heat loss is greatly reduced; the catalyst is firmly attached onto the porous plate; the catalyst is long in contact time with the flame, large in contact area and high in catalytic combustion effect; the combustion is completed; the highest heat is released; the NOx and incomplete combustion products are reduced; the combustion-improving pot rack has the advantages of being efficient and environmentally friendly and convenient to use, has an energy-saving effect and can be used for replacing the existing ordinary pot rack.

Description

Gas kitchen ranges short combustion cooker racks

Technical field

The present invention relates to gas kitchen ranges, specifically gas kitchen ranges short combustion cooker racks.

Background technology

Gas kitchen ranges is the little article of family's indispensability outwardly, but the energy utilization rate of gas kitchen ranges is then related to the large industry of the energy of country.Under the historical background of energy crisis, low energy consumption and economize energy are the indexs that must meet concerning gas kitchen ranges.

The adequacy of fuel gas buring, effective utilization of firepower are two aspects improving energy utilization rate.Gas kitchen ranges measure in this respect comprises and contacts with composition of air and promote to burn completely, and by flame focus utilization to avoid heat loss.

CN102777941A discloses a kind of high-efficiency gas cooking range, comprise kitchen range main body, boiler face and the burner be arranged in kitchen range main body and corresponding burner and be arranged on cooker racks on boiler face, it is also provided with energy gathering cap between burner and cooker racks, described energy gathering cap be to be assemblied in bottom cooker racks and outside burner between ring-type cover body; Energy gathering cap is that heat preserving and insulating material is made.The advantage of such design is that the heat loss of fuel gas buring can drop to minimum by energy gathering cap, greatly improves the thermal efficiency.

CN2114779 discloses a kind of gas burning range, adopts porous honeycomb catalytic sheet, and when combustion gas is by the burning of porous catalytic sheet, owing to disperseing fully, burning completely, both can be saved combustion gas, and can reduce again the pollution of waste gas to air in kitchen.

But it is too complicated that these measures have, and some effects are unsatisfactory.

Summary of the invention

In order to solve the problem, by the simple method of one, both can really promote that combustion gas was burnt more fully, can thermal loss be reduced again, the invention provides a kind of gas kitchen ranges short combustion cooker racks.

Gas kitchen ranges of the present invention short combustion cooker racks, comprises pot holder, combustion catalysis plate, the windproof tube that can surround whole flame, footing; Pot holder is positioned at windproof tube peripheral upper portion, and combustion catalysis plate is the porous plate of load combustion catalyst, and is placed in windproof tube upper inside wall; Footing is positioned at windproof tube bottom.

In the present invention, the combustion catalyst of combustion catalysis plate load is attached to surface and the hole wall of combustion catalysis plate by the mode of attachment.The mode of attachment has multiple, comprises physics stickup, high temperature sintering etc.No matter adopt any mode, all need to ensure adhesion-tight and high temperature resistant flame combustion.

Combustion catalyst has a lot, and the combustion catalyst that the present invention selects is the complex rare-earth oxidate containing valuable metal of rare earth based perovskite or hexa-aluminate.

The aperture of described porous plate is 0.05 ~ 2mm, span 0.3 ~ 1.5mm.Because the combustion catalysis plate in cooker racks of the present invention plays a role to burned flame, instead of at burning root, the pressure of flame is very little, much smaller than the gaseous-pressure of burning root, if aperture is too little be unfavorable for that flame passes through.When contrary aperture is too large, flame is very soon through the hole on porous plate, and flame and combustion catalyst time of contact and contact area all not, are unfavorable for catalytic combustion and sufficient combustion.Suitable aperture could not only can make flame smoothly by but also ensure flame fully to contact with combustion catalyst and guarantee to burn complete.Span impact be the quantity in hole, so also must select suitable.

The agglomerated material that the base material of porous plate is pottery containing micropore or slightly makes through the surface that high temperature sintering is crossed.Here it should be noted that " hole " of " micropore " in " pottery containing micropore " is diverse hole with " hole " of " porous " of porous plate." hole " of " micropore " in " pottery containing micropore " is irregular, and the factors such as the raw material of being made pottery by preparation and sintering temperature are formed, and its pore diameter range is 1nm ~ 100 μm.The very suitable adsorption catalyst of these micropores.The face of slightly making a list of the same agglomerated material slightly made through the surface that high temperature sintering is crossed is also favourable to the attachment of catalyst.The pottery that the present invention selects or agglomerated material, all through high temperature sintering mistake, are therefore suitable for use as combustion catalysis plate.

As preferably, windproof tube inwall is provided with step or projection, for laying combustion catalysis plate.Such scheme is conveniently laid, and combustion catalysis plate is not fixed, but is placed on it actively, is beneficial to and changes and take off clean.

For the ease of observing flame, also in order to supplemental oxygen better, windproof tube barrel arranges multiple through hole.

As embodiment, pot holder of the present invention is directly connected with windproof tube peripheral upper portion by hinged, or arranges pot holder ear in windproof tube peripheral upper portion, and pot holder connects pot holder ear by pin, thus realizes pot holder and rotate at facade.Pot holder inwardly rotates and is pressed on the barrel upper surface of windproof tube, plays supporting role by barrel, supports pot of cooking a meal.And when pot holder outwards rotates, pot holder then can be suspended on outside the barrel of windproof tube, at this moment combustion catalysis plate can be taken out smoothly.

Reliable for ensureing the supporting & stablizing of pot, the quantity of pot holder is 3 ~ 8.

For ensureing that whole short combustion cooker racks is laid stable, the footing in the present invention is overall foundation ring, or 3 ~ 8 legs separated.Footing is overall foundation ring is then the same with the footing of present cooker racks.

Catalytic combustion is under the effect of catalyst, and fuel and air carry out heterogeneous complete oxidation at catalyst surface.Compared with traditional flame combustion, catalytic combustion has: (1) initiation temperature is low, flameholding; (2) efficiency of combustion is high; (3) pollutant (NOx, imperfect combustion product C O etc.) emission level is low; According to interrelated data introduction, utilize catalytic combustion technology can improve the thermal efficiency 64%, efficiency of combustion can reach 99.5%, and energy-saving effect reaches more than 15%.Utilize catalytic combustion technology to change combustion system, improve efficiency of combustion, reducing the formation of NOx and imperfect combustion product, is the future thrust of combustion technology.

The rare earth based perovskite that the present invention uses, hexa-aluminate complex rare-earth oxidate containing valuable metal are the catalysis materials at the comparatively ripe terres rares catalytic combustion of natural gas high temperature catalytic combustion application aspect, be the RE treatment steel utilizing group of molecules packing technique to prepare, there is low price, raw material is easy to get, resistance to elevated temperatures good, at high temperature there is the advantages such as good stability.

Gas kitchen ranges of the present invention short combustion cooker racks, windproof tube windproofly can dispel flame, and porous plate can make firepower be uniformly distributed, thus greatly reduces thermal loss; Catalyst adhesion-tight, catalyst and the flame contact time long, contact area is large, and Catalytic Combustion Effect is good, makes burning completely, discharges maximum heats, reduce the formation of NOx and imperfect combustion product, have energy-efficient, advantages of environment protection.

The device that the cooker racks of simple function in the past and promotion are burnt combines by the present invention, to the effect of burned flame performance catalytic combustion.Its structure is simple, effective, easy to use, present common cooker racks can be replaced use, not change existing gas kitchen ranges, be placed directly on the liquid-bearing pan of gas kitchen ranges, directly can coordinate the existing gas kitchen ranges of current every household, thus there are good market prospects.

Accompanying drawing explanation

Fig. 1 is the installation diagram that gas kitchen ranges of the present invention urgees to fire cooker racks.

Fig. 2 is Fig. 1 top view

Combustion catalysis plate 1 is had, pot holder 2, pot holder ear 3, windproof tube 4, footing 5, bearing pin 6, windproof tube inwall step 7, windproof barrel through hole 8, the through hole 9 of porous plate in figure.

Detailed description of the invention

See Fig. 1.Comprise combustion catalysis plate 1, pot holder 2, the windproof tube 4 that can surround whole flame, footing 5; Windproof tube 4 peripheral upper portion is uniform arranges five pot holder ears 3, and pot holder 2 connects pot holder ear 3 by pin 6, and combustion catalysis plate 1 is the porous plate of load combustion catalyst, and is placed on windproof tube inwall step 7; Footing 5 is overall foundation ring, is positioned at windproof tube 4 bottom.

Windproof tube 4 barrel arranges multiple through holes 8 of a circumferentially uniform row.

See Fig. 2.Combustion catalysis plate 1 is porous plate, and the aperture of the through hole 9 of porous plate is 0.05 ~ 2mm, span 0.3 ~ 1.5mm.

The agglomerated material that the base material of porous plate is pottery containing micropore or slightly makes through the surface that high temperature sintering is crossed.Porous plate attachment combustion catalyst rare earth based perovskite or hexa-aluminate complex rare-earth oxidate containing valuable metal and become combustion catalysis plate 1.

Claims

1. gas kitchen ranges short combustion cooker racks, is characterized in that: comprise pot holder, combustion catalysis plate, the windproof tube that can surround whole flame, footing; Pot holder is positioned at windproof tube peripheral upper portion, and combustion catalysis plate is the porous plate of load combustion catalyst, and is placed in windproof tube upper inside wall; Footing is positioned at windproof tube bottom.

2. gas kitchen ranges according to claim 1 short combustion cooker racks, is characterized in that: the combustion catalyst of combustion catalysis plate load is attached to surface and the hole wall of combustion catalysis plate by the mode of attachment.

3. gas kitchen ranges according to claim 1 and 2 short combustion cooker racks, is characterized in that: combustion catalyst is the complex rare-earth oxidate containing valuable metal of rare earth based perovskite or hexa-aluminate.

4. gas kitchen ranges according to claim 1 short combustion cooker racks, is characterized in that: the aperture of porous plate is 0.05 ~ 2mm, span 0.3 ~ 1.5mm.

5. the short combustion of the gas kitchen ranges according to claim 1 or 4 cooker racks, is characterized in that: the agglomerated material that the base material of porous plate is pottery containing micropore or slightly makes through the surface that high temperature sintering is crossed.

6. gas kitchen ranges according to claim 1 short combustion cooker racks, is characterized in that: windproof tube inwall is provided with step or projection, for laying combustion catalysis plate.

7. gas kitchen ranges according to claim 1 short combustion cooker racks, is characterized in that: windproof tube barrel arranges multiple through hole.

8. gas kitchen ranges according to claim 1 short combustion cooker racks, it is characterized in that: pot holder is directly connected with windproof tube peripheral upper portion by hinged, or arrange pot holder ear in windproof tube peripheral upper portion, pot holder connects pot holder ear by pin, thus realize pot holder and rotate at facade.

9. the short combustion of the gas kitchen ranges according to claim 1 or 8 cooker racks, is characterized in that: the quantity of pot holder is 3 ~ 8.

10. gas kitchen ranges according to claim 1 short combustion cooker racks, is characterized in that: footing is overall foundation ring, or 3 ~ 8 legs separated.