CN212537837U

CN212537837U - Injection type burner

Info

Publication number: CN212537837U
Application number: CN202020931827.5U
Authority: CN
Inventors: 郑志恒
Original assignee: Yufubao Kitchenware Equipment Shenzhen Co ltd
Current assignee: Yufubao Kitchenware Equipment Shenzhen Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-02-12
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses an injection type combustor, including burner nozzle, burner main part subassembly and the combustor fixing base that links together in proper order, burner main part subassembly includes the shell and draws and penetrates the pipe, draws and penetrates the pipe and be the thin dumbbell type in the middle of the both ends thickness, and it is installed in the shell, have the clearance between the two and form the air chamber, air chamber and draw the inside intercommunication of penetrating the pipe. When the injection burner is used, the mixed gas of the gas and the air comes out from the burner main body component, and every fire outlet hole which is uniformly distributed on the burner nozzle of the burner can be used for stable and complete combustion. The existing burner can not enable the mixed gas to be uniformly distributed to the fire outlet of each burner nozzle, so that the combustion is unstable, and the utility model solves the problems.

Description

Injection type burner

Technical Field

The utility model relates to a combustor field specifically belongs to an injection type combustor.

Background

The jet burner is a device which uses the injection action of one high-pressure high-energy jet flow to suck another low-pressure low-energy fluid and stably ignite and burn. The injection type burner used in the existing Chinese style steam box and Chinese and western style steam stoves is generally made of stainless steel, and has the disadvantages of poor manufacturing process, large and irregular assembly tolerance, insufficient mixing of gas and air, low thermal efficiency and inconvenient installation.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an atmosphere formula combustor on western-style stove that high efficiency induced air, installation easy maintenance, small.

In order to solve the technical problem, the utility model provides a technical scheme does:

the utility model provides an injection type combustor, is including burner nozzle, combustor main part subassembly and the combustor fixing base that links together in proper order, combustor main part subassembly includes the shell and draws and penetrates the pipe, draws and penetrates the pipe and be the dumbbell type of both ends thickness in the middle of, and it is installed in the shell, have the clearance between the two and form the air chamber, the air chamber with draw the inside intercommunication of ejector pipe.

Furthermore, the injection pipe comprises an air throttle, an injection pipe inner cavity, an air suction contraction pipe, a mixing pipe, a diffuser pipe and a furnace end burner inner cavity which are connected in sequence.

Further, the inner cavity of the injection pipe comprises a first end and a second end, the first end is connected with the throttle valve, the second end is connected with the air suction contraction pipe, the diameter of the first end is larger than that of the second end, and the angle range of the first angle A is 34-38 degrees.

Furthermore, the air suction contraction pipe comprises a third end and a fourth end, the third end is connected with the inner cavity of the injection pipe, the fourth end is connected with the contraction pipe, the diameter of the third end is larger than that of the fourth end, and the angle range of a second angle B is 8-10 degrees.

Further, the mixing tube comprises a fifth end and a sixth end, the fifth end is connected with the contraction tube, the sixth end is connected with the diffuser tube, the diameter of the fifth end is smaller than that of the sixth end, and the angle range of a third angle C of the fifth end is 11-13 degrees.

Further, the diffuser pipe comprises a seventh end and an eighth end, the seventh end is connected with the mixing pipe, the eighth end is connected with an inner cavity of the burner nozzle, the diameter of the seventh end is smaller than that of the eighth end, and the angle range of a fourth angle D of the diffuser pipe is 43-47 degrees.

Further, the inner cavity of the burner nozzle comprises a ninth end and a tenth end, the ninth end is connected with the diffuser pipe, the tenth end is connected with the burner nozzle, the diameter of the ninth end is larger than that of the tenth end, and the angle range of a fifth angle E is 32-36 degrees.

Further, combustor main part subassembly includes the nozzle, be equipped with the nozzle mounting hole in the combustor fixing base, the nozzle is installed on the nozzle mounting hole.

Further, still include the gas connector, combustor main part subassembly includes the connector mounting hole, the gas connector with the connector mounting hole is connected.

Furthermore, a first fire outlet hole located at the center position and a plurality of second fire outlet holes distributed around the first fire outlet hole are formed in the burner fire nozzle.

The utility model has the advantages that:

when the injection burner is used, the mixed gas of the gas and the air comes out from the burner main body component, and every fire outlet hole which is uniformly distributed on the burner nozzle of the burner can be used for stable and complete combustion. The existing burner can not enable the mixed gas to be uniformly distributed to the fire outlet of each burner nozzle, so that the combustion is unstable, and the utility model solves the problems.

Drawings

Fig. 1 is an exploded view of an injection burner of the present invention in a preferred embodiment;

fig. 2 is a side sectional view of an injection burner of the present invention in a preferred embodiment.

The reference numerals include:

100-burner body component 110-ejector pipe 111-throttle valve

112-ejector tube inner cavity 1121-first end 1122-second end

113-air suction contraction tube 1131-third end 1132-fourth end

114-shrink tube 115-mixing tube 1151-fifth end

1152-sixth end 116-diffuser tube 1161-seventh end

1162 eighth end 117 furnace end fire nozzle inner cavity 1171 ninth end

1172-tenth end 120-air chamber 130-housing

131-land 140-first threaded portion 160-nozzle

161-nozzle bore 200-burner tip 210-first fire outlet

230-second fire outlet hole 240-second thread part 300-burner fixing seat

310-convex 320-connector mounting hole 330-nozzle mounting hole

340-furnace end fixing position 400-gas connector

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 and 2, in order to achieve the preferred embodiment of the present invention, the injection burner includes a burner nozzle 200, a burner body assembly 100 and a burner fixing seat 300, which are sequentially connected together, the burner body assembly 100 includes a housing 130 and an injection pipe 110, the injection pipe 110 is a dumbbell shape with two thick ends and a thin middle part, and is installed in the housing 130, a gap is formed between the two to form an air chamber 120, and the air chamber 120 is communicated with the inside of the injection pipe 110.

When the injection burner of the utility model is used, after the mixed gas of the gas and the air comes out from the burner main body component 100, every fire outlet hole which is uniformly distributed on the burner nozzle 200 of the burner and is used for stable and complete combustion can be realized by the mixed gas of the gas and the air. The existing burner can not make the mixed gas evenly distributed to the fire outlet of each burner nozzle 200, so that the combustion is unstable, the utility model solves the problems. The above components are described in further detail below.

The burner tip 200, the burner body assembly 100, and the burner holder 300 may be integrally formed. Preferably, the burner tip 200, the burner body assembly 100 and the burner fixing base 300 are detachably coupled together, facilitating disassembly, assembly and maintenance.

The burner fixing base 300 includes a protruding portion 310, a connector mounting hole 320, a nozzle mounting hole 330, and a burner fixing portion 340. The connector mounting hole 320 is connected with the gas connector 400, and the gas enters the inner space of the burner fixing seat 300 through the gas connector 400 and the connector mounting hole 320. The nozzle mounting hole 330 is mounted with the nozzle 160 of the burner main body assembly 100, and the nozzle 160 has the nozzle hole 161. The gas entering the inner space of the burner fixing base 300 is introduced into the burner main body assembly 100 through the nozzle mounting hole 330, the nozzle 160 and the nozzle hole 161. Preferably, the nozzle mounting hole 330 is coaxially disposed with the injection pipe 110 of the burner body assembly 100 and integrally formed. The protruding portion 310 is disposed at an end of the burner fixing base 300 close to the burner main body assembly 100. During installation, the burner fixing seat 300 is fixed on the water tank of the stove evaporator through the burner fixing position 340, and the installation is very simple and rapid.

The utility model discloses well fixed combustor main part subassembly 100 that combustor fixing base 300 can be convenient has improved the production efficiency of this injection type combustor, and the injection pipe 110 coaxial setting and the whole shaping of integration of nozzle mounting hole 330 and combustor main part subassembly 100, then has effectively guaranteed nozzle mounting hole 330 and has penetrated the concentricity of pipe 110 with drawing, and then has guaranteed nozzle 160 and nozzle-hole 161 and has penetrated the concentricity of pipe 110 with drawing, has improved the ejection effect of gas.

The burner body assembly 100 includes an injection pipe 110, an air chamber 120, a housing 130 and a nozzle 160, and the housing 130 and the injection pipe 110 are both formed in a dumbbell shape with thick ends and thin middle. The injection pipe 110 is installed in the housing 130, and a gap is formed between the injection pipe 110 and the inner wall of the housing 130 to form an air chamber 120, and the cross section of the air chamber 120 is circular. The ejector tube 110 and the nozzle 160 are consistent in coaxiality, namely the ejector tube 110 and the nozzle 160 are coaxially arranged, through reasonable design, the combustion efficiency is improved, the combustion is more sufficient, the generation of harmful pollution gas is reduced, and the problem that the existing combustor cannot achieve the air induction effect is solved.

One end of the outer shell 130 close to the burner fixing seat 300 is provided with a concave table 131, and the concave table 131 is matched with the convex position 310, so that the burner fixing seat 300 is connected with the outer shell 130 through the clamping between the concave table 131 and the convex position 310. The burner fixing base 300 and the outer shell 130 can be further fixedly connected together through a fastener.

As shown in fig. 2, the injection pipe 110 includes a throttle valve 111, an injection pipe inner cavity 112, a suction contraction pipe 113, a contraction pipe 114, a mixing pipe 115, a diffuser pipe 116 and a burner nozzle inner cavity 117, which are connected in sequence.

Wherein, one end of the air throttle 111 is communicated with the nozzle 160, and the other end is communicated with the inner cavity 112 of the injection pipe. Preferably, the damper 111 is generally cylindrical in shape overall, with a diameter of 26 mm.

The inner cavity 112 of the ejector tube includes a first end 1121 and a second end 1122, the first end 1121 is connected to the damper 111, the second end 1122 is connected to the air suction contraction tube 113, the first end 1121 has a larger diameter than the second end 1122, and the first angle a ranges from 34 degrees to 38 degrees. Preferably, the first angle a has an angular extent of 36 °.

The air suction contraction pipe 113 comprises a third end 1131 and a fourth end 1132, the third end 1131 is connected with the inner cavity 112 of the ejector pipe, the fourth end 1132 is connected with the contraction pipe 114, the diameter of the third end 1131 is larger than that of the fourth end 1132, and the angle range of a second angle B is 8-10 degrees. Preferably, the second angle B has an angular size of 9 °.

The shrink tube 114 is substantially cylindrical in shape as a whole and has a diameter of 22 mm.

The mixing tube 115 comprises a fifth end 1151 and a sixth end 1152, the fifth end 1151 is connected to the convergent tube 114, the sixth end 1152 is connected to the divergent tube 116, the fifth end 1151 has a smaller diameter than the sixth end 1152, and the angle of the third angle C is in the range of 11 ° to 13 °. Preferably, the third angle C has an angular size of 12 °.

The diffuser tube 116 includes a seventh end 1161 and an eighth end 1162, the seventh end 1161 is connected to the mixing tube 115, the eighth end 1162 is connected to the burner nozzle cavity 117, the diameter of the seventh end 1161 is smaller than that of the eighth end 1162, and an angle of a fourth angle D is 43 ° to 47 °. Preferably, the fourth corner D has an angular extent of 45.

The furnace end burner inner cavity 117 comprises a ninth end 1171 and a tenth end 1172, the ninth end 1171 is connected with the diffuser pipe 116, the tenth end 1172 is connected with the burner 200, the ninth end 1171 has a larger diameter than the tenth end 1172, and the angle range of the fifth angle E is 32-36 °. Preferably, the fifth angle E has an angular extent of 34 °.

The end of the outer shell 130 close to the burner nozzle 200 is provided with a first threaded portion 140, the burner nozzle 200 is provided with a second threaded portion 240, and the first threaded portion 140 is matched with the second threaded portion 240, so that the outer shell 130 and the burner nozzle 200 are fixed together in a threaded manner.

The burner nozzle 200 is provided with a first fire outlet 210 and a plurality of second fire outlets 230, and the gas is sprayed out from the first fire outlet 210 and the plurality of second fire outlets 230 and is combusted at the first fire outlet and the plurality of second fire outlets 230. Wherein, the first fire outlet 210 has a larger size, preferably 28mm in diameter, and is located at the middle position; the plurality of second fire holes 230 are uniformly distributed around the first fire holes 210. The second fire holes 230 are relatively small in size, and preferably have a diameter of 3 mm.

After the burner nozzle 200 is matched with the burner main body assembly 100, the mixed gas of gas and air can be uniformly distributed to each fire hole, and stable and complete combustion can be carried out.

The operating principle of the injection type combustor is as follows: the gas is ejected from the nozzle 160 at a certain flow rate under a certain pressure and enters the ejector tube 110, and the gas is sucked into the suction contraction tube 113 from the air in the space between the nozzle 160 and the inner cavity 112 of the ejector tube by the energy of the gas itself. Gas and air mix in the mixing tube 115, because the mixing tube 115 has the reducing angle of 12 degrees, can slow down the velocity of mist, it is more even to make gas and air mix, the mist of gas and air reachs diffuser pipe 116, diffuser pipe 116 has the extension of angle 45 degrees, can improve gaseous pressure, and can make gas and air further misce bene, the mist through combustor main part subassembly 100 intensive mixing spouts the top of combustor burner 200, receive the effect of combustor burner 200 pressure, even distribution is to in combustor burner 200, then flow out through first fire outlet 210 and the second fire outlet 230 on combustor burner 200, contact with the air, burn, form the flame of this birth. Because the gas and the air are uniformly mixed, the combustion is more sufficient, the heat efficiency and the heat load are higher, less pollution gas is generated after the combustion, and the environment is more protected.

The above description is only a preferred embodiment of the present invention, and many changes can be made in the detailed description and the application scope according to the idea of the present invention for those skilled in the art, which all belong to the protection scope of the present invention as long as the changes do not depart from the concept of the present invention.

Claims

1. The utility model provides an injection type combustor which characterized in that: including burner nozzle (200), burner body subassembly (100) and burner fixing base (300) that link together in proper order, burner body subassembly (100) are including shell (130) and draw and penetrate pipe (110), draw and penetrate pipe (110) and be the dumbbell type of thickness in the middle of both ends, and it installs in shell (130), have the clearance between the two and form air chamber (120), air chamber (120) with draw and penetrate pipe (110) inside intercommunication.

2. The injection burner of claim 1, wherein: the injection pipe (110) comprises a throttle valve (111), an injection pipe inner cavity (112), a suction contraction pipe (113), a contraction pipe (114), a mixing pipe (115), a diffuser pipe (116) and a furnace end burner inner cavity (117) which are connected in sequence.

3. The injection burner of claim 2, wherein: the inner cavity (112) of the ejector tube comprises a first end (1121) and a second end (1122), the first end (1121) is connected with the throttle valve (111), the second end (1122) is connected with the air suction contraction tube (113), the diameter of the first end (1121) is larger than that of the second end (1122), and the angle range of a first angle A of the first end (1121) is 34-38 degrees.

4. The injection burner of claim 2, wherein: the air suction contraction pipe (113) comprises a third end (1131) and a fourth end (1132), the third end (1131) is connected with the inner cavity (112) of the ejector pipe, the fourth end (1132) is connected with the contraction pipe (114), the diameter of the third end (1131) is larger than that of the fourth end (1132), and the angle range of a second angle B is 8-10 degrees.

5. The injection burner of claim 2, wherein: the mixing tube (115) comprises a fifth end (1151) and a sixth end (1152), the fifth end (1151) is connected with the contraction tube (114), the sixth end (1152) is connected with the diffuser tube (116), the diameter of the fifth end (1151) is smaller than that of the sixth end (1152), and the angle of the third angle C is 11-13 degrees.

6. The injection burner of claim 2, wherein: the diffuser pipe (116) comprises a seventh end (1161) and an eighth end (1162), the seventh end (1161) is connected with the mixing pipe (115), the eighth end (1162) is connected with the burner nozzle cavity (117), the diameter of the seventh end (1161) is smaller than that of the eighth end (1162), and the angle range of a fourth angle D of the seventh end is 43-47 degrees.

7. The injection burner of claim 2, wherein: the furnace end burner inner cavity (117) comprises a ninth end (1171) and a tenth end (1172), the ninth end (1171) is connected with the diffuser pipe (116), the tenth end (1172) is connected with the burner (200), the diameter of the ninth end (1171) is larger than that of the tenth end (1172), and the angle range of a fifth angle E is 32-36 degrees.

8. The injection burner of claim 1, wherein: the burner main body assembly (100) comprises a nozzle (160), a nozzle mounting hole (330) is formed in the burner fixing seat (300), and the nozzle (160) is mounted on the nozzle mounting hole (330).

9. The injection burner of claim 1, wherein: still include gas connector (400), combustor main part subassembly (100) is including connector mounting hole (320), gas connector (400) with connector mounting hole (320) are connected.

10. The injection burner of claim 1, wherein: the burner nozzle (200) is provided with a first fire outlet (210) positioned at the center and a plurality of second fire outlets (230) distributed around the first fire outlet (210).