CN2919036Y

CN2919036Y - Kitchen range burner

Info

Publication number: CN2919036Y
Application number: CN 200620101774
Authority: CN
Inventors: 陈海红
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-03-17
Filing date: 2006-03-17
Publication date: 2007-07-04
Anticipated expiration: 2016-03-17

Abstract

An oven-used combustor comprises a middle casing, an electromotor, a blower fan apparatus and a combustion apparatus, which is characterized in that the middle casing is provided with the electromotor inside with an annular clearance to the inside wall of the casing, the combustion apparatus on the top, as well as the blower fan apparatus in the lower part. Compared with existing oven-used combustor, the utility model shows the advantages in that the fully combustion resulting from the mixing of the fuel vaporized by the combustion apparatus and the forced-draft of certain pressure out of the blower fan apparatus into the combustion apparatus via the annular clearance of the electromotor and the inside wall of the middle casing has higher combustion efficiency as well as less harmful exhaust.

Description

A kind of kitchen range burner

Technical field

The utility model relate generally to combustion apparatus specifically, relates to a kind of kitchen range burner.

Background technology

Existing kitchen range burner, gaseous state or liquid fuel spray at a high speed from a nozzle, enter the fuel channel inlet of kitchen range, around entrance, form vacuum to a certain degree, bring air into fuel channel simultaneously, fuel and air mix in fuel channel, spray from the burning shower nozzle of kitchen range, become flame after lighting.This kitchen range burner by fuel injection introducing air, the air capacity of being introduced is often not enough, and fuel can not fully be burnt, and not only efficiency of combustion is low, and produces pernicious gas.

Summary of the invention

The kitchen range that the utility model will solve prior art can not abundant air fed technical problem with burner, and a kind of novel kitchen range burner is provided.

Kitchen range burner of the present utility model, it is characterized in that, it comprises a middle casing, one motor, one blower fan apparatus and a burner, motor is fixedly mounted in the middle casing, and has the annular gap between the inwall of housing, burner comprises a shell body, one inner housing, one centrifugal atomizing cover, one centrifugal fuel injection wheel, one Electric spark ignitor and a fuel nozzle, shell body is fixedly mounted on the top of middle casing, inner housing is fixedly mounted in the shell body, and has the annular gap between the inwall of shell body, centrifugal atomizing cover and centrifugal fuel injection wheel are fixedly mounted on the upper end of motor reel, centrifugal fuel injection wheel is in the centrifugal atomizing cover, centrifugal atomizing covers in the inner housing, a plurality of uniform through holes are arranged on the wall of inner housing, fuel nozzle is installed between centrifugal atomizing cover and the centrifugal fuel injection wheel, Electric spark ignitor is installed near the inwall of inner housing, blower fan apparatus comprises a Blower Housing and at least one impeller, Blower Housing is fixedly mounted on the bottom of middle casing, and impeller is fixedly mounted on the lower end of motor reel.

Kitchen range of the present utility model is compared with burner with existing kitchen range with burner, because the annular gap of the air with certain pressure between the inwall of motor and middle casing that blower fan apparatus is discharged enters in the burner, pressure is supplied with a large amount of air to burner, fuel mix with burned device atomizing, can fully burn, the efficiency of combustion height, and do not produce pernicious gas.

Description of drawings

Fig. 1 is the perspective vertical profile schematic diagram of kitchen range of the present utility model with burner;

Fig. 2 is the parts schematic exploded perspective view of kitchen range shown in Figure 1 with burner;

Fig. 3 is the elevational schematic view of kitchen range shown in Figure 1 with burner;

Fig. 4 is the perspective view of kitchen range shown in Figure 1 with first embodiment of the cartridge in the burner;

Fig. 5 is the perspective view of kitchen range shown in Figure 1 with second embodiment of the cartridge in the burner;

The specific embodiment:

Describe the specific embodiment of kitchen range of the present utility model with burner with reference to the accompanying drawings in detail, kitchen range of the present utility model can become more obvious with the feature and advantage of burner.

Referring to Fig. 1 and Fig. 2, kitchen range of the present utility model comprises a middle casing 10, a motor 20, a blower fan apparatus 30 and a burner 50 with burner.

Middle casing 10 has on one cylindrical portions may 11 and circular cone tube part 12 once.Last cylindrical portions may 11 links to each other by an annular shoulder part 13 with following circular cone tube part 12.On annular shoulder part 13, form to middle casing 10 inner four middle casing support plates 14 uniform on circumference that extend.The upper end of last cylindrical portions may 11 has a upward orchid 15 of extending to the outside of middle casing 10.The lower end of following tapered segment 12 has one and issues blue 16 to what extended the outside of middle casing 10.

Motor 20 has a motor upper shell 21 and a motor lower house 22.Motor upper shell 21 has outward extending four upper support ears 23 uniform on circumference.Motor lower house 22 has outward extending four upper support ears 24 uniform on circumference.The support pad 23 of middle casing support plate 14, motor upper shell 21 and the support pad 24 of motor lower house 22 all have vertical hole, the center line in these vertical holes is on same circumference, with bolt corresponding support plate and support pad are fixed together, thereby motor 20 is installed in the middle casing 10.Has certain interval between the inwall of motor upper shell 21 and motor lower house 22 and middle casing 10.Motor 20 has a motor reel 25.

Blower fan apparatus 30 has a blower fan upper shell 31, a blower fan lower house 32 and a diaphragm 36.Blower fan upper shell 31 has a upper head plate 33 and and issues blue 34.Upper head plate 33 has a centre bore 35.Blower fan lower house 32 has sends out blue 38 on a bottom plate 37 and one.Bottom plate 37 has a centre bore 39.Diaphragm 36 has a centre bore 40.The edge of diaphragm 36 issue blue 34 and on send out between blue 38, by bolt they are fixed together.The upper head plate 33 of blower fan upper shell 31 is bolted to connection with the orchid 16 that issues of middle casing 10.Blower fan apparatus 30 has on one impeller 41 and impeller 42 once.Last impeller 41 and following impeller 42 are fixedly mounted on the lower end of motor reel 25.Last impeller 41 and following impeller 42 lay respectively in blower fan upper shell 31 and the blower fan lower house 32 respectively in the both sides of diaphragm 36.

Participate in Fig. 3, blower fan apparatus 30 has an air inlet adjustment mechanism 43 that is used to control the centre bore 39 air inlet areas of bottom plate 37.

Air inlet adjustment mechanism 43 comprises that a bearing pin 44, has the arc 45 and a screw 47 of an arc-shaped slot 46.Arc 45 can rotate around bearing pin 44.Arc-shaped slot 46 matches with screw 47, determines the turned position of arc 45.When the left end of arc-shaped slot 46 matched with screw 47, the centre bore 39 of bottom plate 37 was all opened; When the right-hand member of arc-shaped slot 46 matches with screw 47, centre bore 39 Close Alls of bottom plate 37.

Referring to Fig. 1 and Fig. 2, burner 50 has a shell body 51, an inner housing 52, a centrifugal atomizing cover 53, a centrifugal fuel injection wheel 54, an air scoop 55, a cooler pan 56, an Electric spark ignitor 78 and a fuel nozzle 76.Shell body 51 is a cylindrical shape, and its top has an annular shoulder 57, and its underpart has an end plate 58.The center of end plate 58 has a short cylinder part 59.End plate 58 has a porus excretorius 79.Inner housing 52 is a cylindrical shape, and its top has an orchid 60, and its underpart has an end plate 61.The center of end plate 61 has a short cylinder part 62.A plurality of passages 64 and screwed hole 65 are arranged on the end plate 61.Have a plurality of equally distributed through holes 63 on the cylindrical wall of inner housing 52.Inner housing 52 is installed in the shell body 51, and the lower surface of sending out orchid 60 of inner housing 52 is pressed on the annular shoulder 57 of shell body 51, and the inner surface of the outer round surface of an orchid 60 and the cylinder on annular shoulder 57 tops is an interference fits.Cooler pan 56 is a truncated cone cylindrical shell, and its larger diameter end has one and sends out part 67 blue, and its smaller diameter end has a horizontal circular ring plate portion 68 and the vertical short cylinder part 69 that extends upward formation that extends internally and form.Horizontal circular ring plate portion 68 has a plurality of through holes.Cooler pan 56 is fixedly mounted on above the end plate 61 of inner housing 52 by sending out part 67 blue, is enclosed within the outside of the short cylinder part 62 of end plate 61.Centrifugal fuel injection wheel 54 is the circular arc stage body, has a centre bore.Centrifugal atomizing cover 53 has a conical calyptra part 71 and a cylinder part 72.The big end of conical calyptra part 71 extends internally, and links to each other with the top of cylinder part 72.Conical calyptra part 71 outwards extends upward, and forms zigzag flange 73.The roof 74 of conical calyptra part 71 has a centre bore.Centrifugal atomizing cover 53 and centrifugal fuel injection wheel 54 are fixedly mounted on the upper end of motor reel 25 by a cap nut.Centrifugal fuel injection wheel 54 is positioned at centrifugal atomizing cover 53.Air scoop 55 is a truncated cone cylindrical shell, its larger diameter end has an orchid 66, be fixedly mounted on the lower surface of end plate 58 of shell body 51, its smaller diameter end from the short cylinder part 59 of the end plate 58 of shell body 51 and inner housing 52 the short cylinder part 62 of end plate 61 stretch out, be positioned at centrifugal atomizing cover 53, below centrifugal fuel injection wheel 54.One fuel feed pipe 76 that is fixedly mounted on the last cylindrical portions may 11 of middle casing 10 stretches out from the upper end of air scoop 55, its upper part or be as shown in Figure 4 coiled pipe part 85, its outlet 86 is facing to the middle circle cambered surface of centrifugal fuel injection wheel 54, or be as shown in Figure 5 helix tube part 87, there are a plurality of holes 88 inboard of helix tube part 87, and each hole 88 all faces toward the middle circle cambered surface of centrifugal fuel injection wheel 54.One ignition 78 passes the end plate 58 of shell body 51 and the end plate 61 of inner housing 52 enters in the inner housing 52, near the inwall of inner housing 52.

Kitchen range of the present utility model is as follows with the course of work of burner:

Actuating motor 20, blower fan apparatus 30 is started working, air enters in the Blower Housing from the centre bore 39 of the bottom plate 37 of blower fan lower house 32, after centrifugal action pressure by last impeller 41 and following impeller 42 is raised, through the gap between the inwall of motor upper shell 21 and motor lower house 22 and middle casing 10, enter the air scoop 55 of burner 50, the upper end outlet from air scoop 55 enters in the centrifugal atomizing cover 53 of burner 50 then.Meanwhile, open fuel supply valve (not shown), fuel is sprayed onto on the curved surfaces of centrifugal fuel injection wheel 54 from the outlet opening of fuel feed pipe 76, because centrifugal atomizing cover 53 and centrifugal fuel injection wheel 54 rotate at a high speed with the axle 25 of motor 20 together, the fuel that arrives on the curved surfaces of centrifugal fuel injection wheel 54 is dispersed in rapidly in the centrifugal atomizing cover 53, and enters pressure air in the centrifugal atomizing cover 53 and is uniformly mixed into and is fuel air mixture.Then, fuel air mixture enters end play between the end plate 61 of the end plate 58 of shell body 51 and inner housing 52 by the gap between centrifugal atomizing cover 53 and the air scoop 55 downwards, sub-fraction fuel air mixture wherein upwards enters inner housing 52 by a plurality of passages 64 on the end plate 61, in order to cooling cooler pan 56, enter centrifugal atomizing cover 53 outsides by a plurality of through holes on the horizontal circular ring plate portion 68 then, in inner housing 52, burn; Most fuel air mixtures wherein upwards enter the radial clearance between shell body 51 and the inner housing 52, enter in the inner housing 52 by a plurality of equally distributed through hole 63 on the cylindrical wall of inner housing 52, the electric spark of getting by Electric spark ignitor 78 is in inner housing 52 internal combustion.The conical calyptra part 71 of centrifugal atomizing cover 53 is outwards extended upward, form zigzag flange 73, purpose is, when centrifugal atomizing cover 53 rotates at a high speed, the centrifugal action that zigzag flange 73 is risen can make and enter fuel air mixtures in the inner housing 52 by a plurality of equally distributed through hole 63 on the cylindrical wall of inner housing 52 and leave centrifugal atomizing cover 53 and burn, in case centrifugal atomizing cover 53 is burnt.56 pairs of centrifugal atomizing covers 53 of cooler pan also shield.

Cartridge 76 shown in Figure 4 is used to spray fuel oil.Cartridge 76 shown in Figure 5 is used for hydrojet liquefied oil gas or natural gas.

Claims

1, a kind of kitchen range burner, it is characterized in that, it comprises a middle casing, one motor, one blower fan apparatus and a burner, motor is fixedly mounted in the middle casing, and has the annular gap between the inwall of housing, burner comprises a shell body, one inner housing, one centrifugal atomizing cover, one centrifugal fuel injection wheel, one Electric spark ignitor and a fuel nozzle, shell body is fixedly mounted on the top of middle casing, inner housing is fixedly mounted in the shell body, and has the annular gap between the inwall of shell body, centrifugal atomizing cover and centrifugal fuel injection wheel are fixedly mounted on the upper end of motor reel, centrifugal fuel injection wheel is in the centrifugal atomizing cover, centrifugal atomizing covers in the inner housing, and a plurality of uniform through holes are arranged on the wall of inner housing, and fuel nozzle is installed between centrifugal atomizing cover and the centrifugal fuel injection wheel, Electric spark ignitor is installed near the inwall of inner housing, blower fan apparatus comprises a Blower Housing and at least one impeller, and Blower Housing is fixedly mounted on the bottom of middle casing, and impeller is fixedly mounted on the lower end of motor reel.

2, according to the described kitchen range burner of claim 1, it is characterized in that, also comprise an air scoop, air scoop is a truncated cone cylindrical shell, and its larger diameter end has an orchid, is fixedly mounted on the end plate of shell body, its smaller diameter end is positioned at the centrifugal atomizing cover, below centrifugal fuel injection wheel.

3, according to claim 1 or 2 described kitchen range burners, it is characterized in that, also comprise a cooler pan, cooler pan is a truncated cone cylindrical shell, its larger diameter end has one and sends out part blue, its smaller diameter end has a horizontal circular ring plate portion and the vertical short cylinder part that extends upward formation that extends internally and form, and the horizontal circular ring plate portion has a plurality of through holes, and cooler pan is installed in above the end plate of inner housing by sending out partial fixing blue.

According to the described kitchen range burner of claim 3, it is characterized in that 4, the conical calyptra part of centrifugal atomizing cover outwards extends upward, and forms the zigzag flange.

According to the described kitchen range burner of claim 4, it is characterized in that 5, the upper part of fuel nozzle is the coiled pipe part, its outlet is facing to the middle circle cambered surface of centrifugal fuel injection wheel.

According to the described kitchen range burner of claim 4, it is characterized in that 6, the upper part of fuel nozzle is the helix tube part, there are a plurality of holes the inboard of helix tube part, and each hole all faces toward the middle circle cambered surface of centrifugal fuel injection wheel.

7, according to the described kitchen range burner of claim 5, it is characterized in that, blower fan apparatus has a blower fan upper shell, one blower fan lower house, impeller on one, once an impeller and a diaphragm, the blower fan upper shell has a upper head plate and and issues orchid, upper head plate has a centre bore, the blower fan lower house has sends out orchid on a bottom plate and one, bottom plate has a centre bore, diaphragm has a centre bore, the edge of diaphragm issue orchid and on send out between the orchid, by bolt they are fixed together, the orchid that issues of the upper head plate of blower fan upper casing and middle casing is bolted to connection, and last impeller and following impeller are respectively in the both sides of diaphragm.

8, according to the described kitchen range burner of claim 6, it is characterized in that, blower fan apparatus has a blower fan upper shell, one blower fan lower house, impeller on one, once an impeller and a diaphragm, the blower fan upper shell has a upper head plate and and issues orchid, upper head plate has a centre bore, the blower fan lower house has sends out orchid on a bottom plate and one, bottom plate has a centre bore, diaphragm has a centre bore, the edge of diaphragm issue orchid and on send out between the orchid, by bolt they are fixed together, the orchid that issues of the upper head plate of blower fan upper casing and middle casing is bolted to connection, and last impeller and following impeller are respectively in the both sides of diaphragm.