CN110160045A - A kind of three ring fire kitchen range blast burners - Google Patents

Abstract

A blast burner for a three-ring fire stove, including a burner head, a central fire cover and an outer ring fire cover. pipe, a ring seat with an outer ring gas groove, and an axial gas channel on the ring seat that communicates the outer ring gas groove with the outer ring gas cavity, and also includes an inner circular gas cavity with an upper opening, and an inner annular gas cavity with a lower opening. Inner annular fire cover, inner ring gas-air premixed intake pipe, gas ejector and fan, the gas ejector is arranged in the inner ring gas-air premixed inlet pipe, fan, inner ring gas-air premixed inlet pipe and The inner annular gas cavity is connected in turn; the inner annular gas cavity is set in the space between the central fire cover seat and the ring seat; the central fire cover and the outer ring fire cover are used for steaming, boiling and ordinary cooking functions. On the basis of the combustion of the central fire cover and the outer ring fire cover, the blast combustion of the inner circular fire cover is added to provide firepower for stir frying.

Description

A blast burner for a three-ring fire cooker

technical field

The invention relates to a stove burner.

Background technique

In the existing technology, a cooker burner includes a burner head, a central fire cover and an outer ring fire cover. Pipe, a ring seat with an outer ring gas groove, an axial gas channel on the ring seat that communicates the outer ring gas groove with the outer ring gas cavity, and two radial gas channels located between two adjacent axial gas channels The secondary air channel and the central premixing chamber communicate with the central fire cover seat and the central injection pipe respectively; the outer ejection pipe communicates with the outer ring gas chamber. The problem is that the power is small and the adjustment is inconvenient.

Contents of the invention

The object of the present invention is to provide a blast burner for a three-ring fire stove, which has the characteristics of high power, high thermal efficiency, low exhaust gas emission and wide adjustment range.

The present invention is achieved in the following way: a blast burner for a three-ring fire cooker, comprising a burner head, a central fire cover and an outer ring fire cover, the burner head including an outer ring gas cavity, an outer injection pipe, a center fire cover seat, a center fire cover Premixing chamber, central ejection pipe, circular seat with outer ring gas groove and axial gas channel on the annular seat connecting the outer ring gas groove with the outer ring gas chamber, central ejector pipe, central premixing The cavity and the central fire cover seat are connected in sequence; the outer injection pipe communicates with the outer ring gas cavity; it is characterized in that it also includes an inner circular gas cavity with an upper opening, an inner annular fire cover with a lower opening, and an inner ring gas air chamber. Premixed intake pipe, gas injector and blower,

There is an inner combustion hole on the top plate of the inner circular fire cover, and the axis of the inner combustion hole is perpendicular to the horizontal plane

There is an annular groove on the outer surface of the gas injection part. The gas injection part is composed of a compression chamber, a neck and a diffusion chamber in sequence from the inlet end to the gas outlet end. There is a gas dispersion hole in the neck that communicates with the annular groove;

The gas injection part is set in the inner ring gas air premixed intake pipe, the two ends of the gas injection part are connected with the inner ring gas air premixed intake pipe, the annular groove and the inner ring gas air premixed intake pipe form the gas intake chamber ; The inner ring gas inlet pipe provided on the inner ring gas air premixed inlet pipe communicates with the gas inlet chamber; the fan, the inner ring gas air premixed inlet pipe and the inner circular gas chamber are connected in sequence;

The inner annular gas cavity is arranged in the space between the central fire cover seat and the annular seat, and there is a gap between the outer circumferential surface of the inner annular gas cavity and the inner circumferential surface of the annular seat, and the two shafts A radial secondary air passage is provided on the annular seat between the gas passages;

Or the outer peripheral surface of the inner ring gas cavity is bonded to the inner peripheral surface of the ring seat.

The blast burner for a three-ring fire cooker is special in that: the gas injection part is hyperbolic, and the gas dispersion hole is set in the middle of the gas injection part.

The blast burner for a three-ring fire cooker is special in that: arc-shaped air guide holes are provided on the bottom plate of the inner circular gas cavity, and connecting holes are provided on the bottom plates at both ends of the arc-shaped air guide hole ;

It also includes an arc-shaped air guide. The volume of the arc-shaped air guide gradually increases from the bottom. The two ends of the upper end are provided with connecting seats. The connecting seat is provided with screw holes. interface;

The upper end of the circular arc-shaped gas guide is attached to the bottom plate of the inner ring gas chamber, the screw passes through the connection hole on the fixing plate, the connection hole of the bottom plate of the inner ring gas chamber is screwed with the screw hole, and the interface is inserted into the inner ring gas chamber. The air is premixed in the intake pipe.

The blast burner for a three-ring fire cooker is special in that it also includes a diverter plate, and the diverter plate is arc-shaped;

The diverter plate is arranged in the inner circular gas cavity, the top arc-shaped plate is located above the arc-shaped air guide hole, and there is a diversion gap between the top circular arc-shaped plate and the wall plate of the inner circular gas cavity.

The blast burner for a three-ring fire cooker is special in that: the top plate of the inner annular fire cover is provided with an annular protrusion, and the inner combustion hole passes through the annular protrusion.

The blast burner for a three-ring fire cooker is characterized in that: the central injection pipe and the inner ring gas-air premixed intake pipe are respectively arranged at the front and the rear, and the central injection pipe and the inner ring gas Air premix intake pipes are in a straight line.

The blast burner for a three-ring fire cooker is special in that: the central fire cover includes a top cover plate and a truncated conical body, and the truncated conical body is provided with an upper annular distribution of upper combustion holes and a lower Annular distribution of lower combustion holes, upper combustion holes and lower gas holes are arranged alternately, the axes of the upper combustion holes and the lower gas holes have an acute angle with the radially outer horizontal plane;

The top of the outer ring fire cover is provided with at least three top combustion chambers communicating with the inner cavity of the outer ring fire cover. The top combustion chamber is provided with top combustion holes along the radial direction, and the outer combustion chamber between two adjacent top combustion chambers The top plate of the ring fire cover is provided with radially outer combustion holes.

The blast burner for a three-ring fire cooker is special in that: the burner is provided with two support plates in left and right directions, one end of the support plate is connected to the central fire cover seat, and the other end is connected to the outer ring The gas chamber is connected; the support plate and the top of the central premix chamber support the inner annular gas chamber and are fixedly connected together.

A blast burner for a three-ring fire stove of the present invention, due to the adoption of such a structure, the burning of the central fire cover and the outer ring fire cover is used for steaming, boiling and ordinary cooking functions; the basis for the combustion of the center fire cover and the outer ring fire cover On the top, the blast combustion of the inner circular fire cover is added to provide firepower for stir frying.

Description of drawings

Figure 1 is a top view of the present invention.

Fig. 2 is the A-A view of Fig. 1 .

Fig. 3 is a B-B view of Fig. 2 .

Fig. 4 is a C-C view of Fig. 2 .

Fig. 5 is a D-D view of Fig. 4 .

Fig. 6 is one of the three-dimensional exploded views of the present invention.

Fig. 7 is the second perspective exploded view of the present invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in Figure 1, Figure 2 and Figure 3, a blast burner for a three-ring fire stove includes a burner head 1, a central fire cover 2 and an outer ring fire cover 3, and the burner head 1 includes an outer ring gas chamber 11, an outer Injector pipe 111, central fire cover seat 12, central premix chamber 121, central ejector pipe 122, ring seat 13 with outer ring gas tank 131 are arranged on the ring seat to connect outer ring gas tank 131 and outer ring gas tank 131. The axial gas channel 14 connected to the cavity 11 and the radial secondary air channel 15 located between two adjacent axial gas channels, the central injection pipe 122, the central premixing chamber 121 and the central fire cover seat 12 are connected in sequence; The outer injection pipe 111 communicates with the outer ring gas chamber 11 .

The central fire cover seat 12 and the outer ring gas chamber 11 are connected into one body through two support plates 123 along the left and right diameter lines and the central premixing chamber 121;

It also includes an inner annular gas cavity 4 with an upper opening, an inner annular fire cover 5 with an lower opening, an inner ring gas air premixed intake pipe 6, a gas injection member 7 and a fan 8,

An annular groove 71 is arranged on the outer surface of the gas injection part 7, and the gas injection part 71 is successively composed of a compression chamber, a neck and a diffusion chamber from the inlet end to the gas outlet end, and the gas dispersion hole 72 communicates with the annular groove 71 on the neck ;The air is compressed in the compression chamber and the neck, the gas and air are mixed and pressurized in the neck, and fully mixed and diffused in the diffusion chamber; the gas and air are mixed evenly;

The top plate of the inner annular fire cover 5 is provided with an inner combustion hole 51, and the axis of the inner combustion hole 51 is perpendicular to the horizontal plane;

The gas injection part 7 is arranged in the inner ring gas air premixed intake pipe 6, the two ends of the gas injection part 7 are connected with the inner ring gas air premixed intake pipe 6, the annular groove 71 and the inner ring gas air premixed intake pipe 6 forms a gas inlet chamber, and the inner ring gas inlet pipe 61 provided on the inner ring gas air premixed inlet pipe 6 communicates with the gas inlet chamber;

The inner annular gas chamber 4 is located in the space between the central fire cover seat 12 and the annular seat 13, and there is a gap between the outer peripheral surface of the inner annular gas chamber 4 and the inner peripheral surface of the annular seat 13, The secondary air enters the gap between the annular gas chamber 4 and the annular seat 13 through the radial secondary air channel 15;

Or the outer peripheral surface of the inner ring gas cavity 4 is fitted with the inner peripheral surface of the ring seat 13, and at this time, the gas outlet end of the radial secondary air passage 15 is closed;

The support plate 123 and the top of the central premixing chamber 121 support the inner annular gas chamber 4 and are fixedly connected together. One end of the inner ring gas air premixing inlet pipe 6 is connected to the inner annular gas chamber 4, and the other end is connected by a fan. 8 air outlet connections;

The inner ring gas-air premixed intake pipe 6 and the center injection pipe 122 are in a straight line, the center injection pipe 122 is located at the front, and the inner ring gas-air premixed intake pipe 6 is located at the rear.

The present invention can also be realized in this way: the central fire cover seat 12 and the outer ring gas chamber 11 are connected together by an annular plate, the annular plate is provided with air guide holes, and the annular plate supports the inner annular gas chamber 4. One end of the inner ring gas air premixed air intake pipe 6 is connected to the inner ring gas cavity 4 through the air guide hole on the ring plate, and the other end is connected to the air outlet of the fan 8 .

The gas injection part 7 is hyperbolic, and the gas dispersion hole 72 is arranged in the middle of the gas injection part.

As a further improvement of the present invention: arc-shaped air holes 41 are provided on the bottom plate of the inner annular gas chamber 4, and connection holes 42 are provided on the bottom plates at both ends of the arc-shaped air guide hole 41;

It also includes an arc-shaped air guide 9 and a splitter plate 10. The volume of the arc-shaped air guide 9 gradually increases from the bottom, and the two ends of the upper end are provided with connecting seats 91, and the connecting seats 91 are provided with screw holes. The lower part of the arc-shaped air guide is provided with an interface 92;

The splitter plate 10 includes a top arc-shaped plate 101, a support plate 102 positioned at both ends of the top arc-shaped plate, and a fixed plate 103 positioned at the lower end of the support plate, and the fixed plate 103 is provided with connection holes;

Splitter plate part 103 is arranged on the bottom plate of inner annular gas chamber 4, and top arc-shaped plate 101 is positioned at the top of arc-shaped air hole 41, and top arc-shaped plate 101 and supporting plate 102 are connected with inner annular gas chamber 4. There is a diversion gap between the wall plates; the upper end of the arc-shaped air guide 9 is attached to the bottom plate of the inner ring gas chamber 4, and the screw passes through the connecting hole on the fixing plate 103 and the bottom plate of the inner ring gas chamber 4 The connection hole 42 of the connection seat 91 is screwed together with the screw hole; the inner ring gas air premixed intake pipe 6 is connected with the interface 92;

Or the screw passes through the connecting hole on the fixed plate 103, the connecting hole 42 of the bottom plate of the inner annular gas chamber 4, the connecting hole on the annular plate and the screw hole on the connecting seat 91;

It can also be that the splitter plate 10 is arc-shaped, and the two ends of the splitter plate 10 are provided with connection holes; the bottom plate of the inner circular gas chamber 4 is provided with a support column, and the screw passes through the connection hole and is screwed with the support column. .

An annular protrusion 52 is provided on the top plate of the inner annular fire cover 5 , and the inner combustion hole 51 passes through the annular protrusion 52 .

Described central fire cover 2 comprises top cover plate 21 and truncated conical body portion 22, and truncated conical body portion 22 is provided with the upper burning hole 221 of upper annular distribution and the lower burning hole 222 of lower annular distribution, upper burning hole 221 and lower combustion gas The holes 222 are arranged alternately, and the axis of the upper combustion hole 221 and the lower gas hole 222 has an acute angle with the radially outer horizontal plane; it can also be said that the axes of the upper combustion hole 221 and the lower gas hole 222 intersect at the truncated conical body 22;

The top of the outer ring fire cover 3 is provided with three top combustion chambers 31 communicating with the inner cavity of the outer ring fire cover 3, and the top combustion chamber 31 is provided with top combustion holes along the radial direction, and between two adjacent top combustion chambers 31 The top plate of the outer ring fire cover 3 is provided with radially outer combustion holes.

When the present invention is used, the central fire cover 2 and the outer ring fire cover 3 burn for steaming, boiling and ordinary cooking functions; on the basis of the simultaneous combustion of the center fire cover 2 and the outer ring fire cover 3, an inner circular fire cover is added. The blast combustion of cover 5 is used for stir frying when cooking.

What has been described above is only a preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, which are also considered as protection scope of the present invention.

Claims (8)

1. A blast burner for a three-ring fire cooker, comprising a burner head, a central fire cover and an outer ring fire cover, the burner head including an outer ring gas cavity, an outer ejector tube, a central fire cover seat, a central premixing chamber, a central Injection tube, ring seat with outer ring gas groove and axial gas channel on the ring seat connecting the outer ring gas groove and outer ring gas chamber, central injection pipe, central premixing chamber and central fire cover The seats are connected in turn; the outer injection pipe communicates with the outer ring gas chamber; it is characterized in that it also includes an inner circular gas chamber with an upper opening, an inner annular fire cover with a lower opening, an inner ring gas-air premixed intake pipe, Gas injection parts and fans, The top of the inner ring-shaped fire cover is provided with an inner combustion hole, and the axis of the inner combustion hole is perpendicular to the horizontal plane There is an annular groove on the outer surface of the gas injection part. The gas injection part is composed of a compression chamber, a neck and a diffusion chamber in sequence from the inlet end to the gas outlet end. There is a gas dispersion hole in the neck that communicates with the annular groove; The gas injection part is set in the inner ring gas air premixed intake pipe, the two ends of the gas injection part are connected with the inner ring gas air premixed intake pipe, the annular groove and the inner ring gas air premixed intake pipe form the gas intake chamber ; The inner ring gas inlet pipe provided on the inner ring gas air premixed inlet pipe communicates with the gas inlet chamber; the fan, the inner ring gas air premixed inlet pipe and the inner ring gas chamber are connected in sequence; The inner annular gas cavity is arranged in the space between the central fire cover seat and the annular seat, and there is a gap between the outer circumferential surface of the inner annular gas cavity and the inner circumferential surface of the annular seat, and the two shafts A radial secondary air passage is provided on the annular seat between the gas passages; Or the outer peripheral surface of the inner ring gas cavity is bonded to the inner peripheral surface of the ring seat. 2. A blast burner for a three-ring fire stove according to claim 1, characterized in that: the gas injection part is hyperbolic, and the gas dispersion hole is arranged in the middle of the gas injection part. 3. A blast burner for a three-ring fire stove according to claim 1, characterized in that: the bottom plate of the inner circular gas cavity is provided with an arc-shaped air guide hole, and the two ends of the arc-shaped air guide hole There are connecting holes on the bottom plate; It also includes an arc-shaped air guide. The volume of the arc-shaped air guide gradually increases from the bottom. The two ends of the upper end are provided with connecting seats. The connecting seat is provided with screw holes. interface; The upper end of the circular arc-shaped gas guide is attached to the bottom plate of the inner ring gas chamber, the screw passes through the connection hole on the fixing plate, the connection hole of the bottom plate of the inner ring gas chamber is screwed with the screw hole, and the interface is inserted into the inner ring gas chamber. The air is premixed in the intake pipe. 4. A blast burner for a three-ring fire cooker according to claim 3, characterized in that: it also includes a diverter plate, and the diverter plate is arc-shaped; The diverter plate is arranged in the inner circular gas cavity, the top arc-shaped plate is located above the arc-shaped air guide hole, and there is a diversion gap between the top circular arc-shaped plate and the wall plate of the inner circular gas cavity. 5. A blast burner for a three-ring fire cooker according to claim 1, characterized in that: the top plate of the inner annular fire cover is provided with an annular protrusion, and the inner combustion hole passes through the annular protrusion . 6. A blast burner for a three-ring fire cooker according to claim 1, characterized in that: the central injection pipe and the inner ring gas-air premixed intake pipe are respectively arranged at the front and rear, and the central injection pipe The jet pipe and the inner ring gas-air premix intake pipe are in a straight line. 7. A blast burner for a three-ring fire cooker according to claim 1, 2, 3, 4, 5 or 6, characterized in that: the central fire cover includes a top cover plate and a truncated conical body, the cone The platform-shaped body is provided with upper combustion holes distributed in an upper ring and lower combustion holes distributed in a lower ring, the upper combustion holes and the lower gas holes are alternately arranged, and the axes of the upper combustion holes and the lower gas holes have an acute angle with the radially outer horizontal plane; The top of the outer ring fire cover is provided with at least three top combustion chambers communicating with the inner cavity of the outer ring fire cover. The top combustion chamber is provided with top combustion holes along the radial direction, and the outer combustion chamber between two adjacent top combustion chambers The top plate of the ring fire cover is provided with radially outer combustion holes. 8. A blast burner for a three-ring fire cooker according to claim 1, 2, 3, 4, 5 or 6, characterized in that: the burner is provided with two support plates in the left and right directions to support One end of the plate is connected to the central fire cover seat, and the other end communicates with the outer ring gas chamber; the support plate and the top of the central premix chamber support the inner annular gas chamber and are fixedly connected together.