CN220205745U

CN220205745U - Low-pressure vertical injection mixing burner

Info

Publication number: CN220205745U
Application number: CN202321871116.3U
Authority: CN
Inventors: 胡勤有; 胡勤俭; 王宁
Original assignee: Zhejiang Weimengda Technology Co ltd
Current assignee: Zhejiang Weimengda Technology Co ltd
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2023-12-19
Anticipated expiration: 2033-07-14

Abstract

The utility model discloses a low-pressure vertical injection mixing burner, which relates to the field of low-pressure strong fire burners, wherein one end of a burner is provided with an air inlet, the air inlet is connected with an air inlet valve through a corrugated pipe, a plurality of copper nozzles are fixed on the burner through threads, a first thread and a second thread are arranged on the copper nozzles, the copper nozzles are connected with the burner through the first thread, the copper nozzles are connected with an injection pipe through the second thread, one end of the injection pipe is provided with an internal thread which is in screwed connection with the threads, the other end of the injection pipe is provided with an external thread, the injection pipe is connected with a fire dividing head, and a plurality of fire outlets are uniformly distributed on the fire dividing head. The gas-fired boiler can be normally used under the pressure of urban gas standard 5KPa, the pressure is within a low pressure value, the power can be 18.5KW or more, the power is high, the fire power is strong, and the operation requirement of catering heating can be met.

Description

Low-pressure vertical injection mixing burner

Technical field:

the utility model relates to a low-pressure vertical injection mixing burner, and belongs to the technical field of low-pressure strong fire burners.

The background technology is as follows:

the burner is an important component of a strong fire furnace, most of the burners in the market are medium-pressure strong fire furnaces, the pressure is as high as 80kPa-120kPa, and potential safety hazards of gas leakage caused by various overhigh pressures exist. The low-pressure strong fire furnace within 5kPa is generally low in power and insufficient in firepower, so that the requirements of catering heating operation are not met. In the using process of the strong fire furnace, water, oil and residues are often dropped above the furnace end, the dropped water, oil and residues are directly dropped on the furnace end, a fire dividing head and a copper nozzle can be plugged in the long time, the product cannot be used, and some safety and stealth problems of burning at the bottom of the injection pipe are easily caused.

The utility model comprises the following steps:

aiming at the problems, the utility model aims to provide the low-pressure vertical injection mixed burner, which effectively solves the problem of high pressure requirement and safety of a medium-pressure strong fire furnace, simultaneously solves the use problem of low power and low firepower of the low-pressure strong fire furnace, and solves the problem that water, oil and residues are easy to block in the use process.

The utility model relates to a low-pressure vertical injection mixing burner which comprises a burner, an air inlet, copper nozzles, an injection pipe and a fire dividing head, wherein one end of the burner is provided with the air inlet, the air inlet is connected with an air inlet valve through a corrugated pipe, a plurality of copper nozzles are fixed on the burner through threads, a first thread and a second thread are arranged on the copper nozzles, the copper nozzles are connected with the burner through the first thread and the second thread, the copper nozzles are connected with the injection pipe through the second thread, one end of the injection pipe is provided with an internal thread which is in screwed connection with the first thread, the other end of the injection pipe is provided with an external thread, the injection pipe is connected with the fire dividing head, and a plurality of fire outlets are uniformly distributed on the fire dividing head.

Preferably, the injection pipe consists of a mixing cavity, an injection cavity and a fixing seat, the injection cavity is arranged below the mixing cavity, the fixing seat is arranged below the injection cavity, the height of the injection cavity is 8-20MM, the optimal size is 10MM, the outer diameter of the injection pipe is 10-18MM, the inner diameter is 6-16MM, the optimal outer diameter size is 14MM, the inner diameter size is 10MM, the height of the mixing cavity 401 of the injection pipe is 25-50MM, and the optimal height size is 35MM.

Preferably, an antifouling cap is arranged on the fire dividing head, so that the problem of blockage caused by water, oil and residues in the dripping process can be effectively prevented, the fire discharging direction is changed, the flame can be fully combusted, the heat energy is fully utilized, the number of the fire dividing heads 5 is 8-24, and the optimal number is 16.

The utility model has the beneficial effects that: the high-pressure strong fire furnace has the advantages that the high-pressure strong fire furnace is reasonable in structural design, simple to operate and convenient to use, the problem that the pressure requirement of the medium-pressure strong fire furnace is too high is solved, the problems that the low-pressure strong fire furnace is low in power and water, oil and residues are easy to block in the using process are solved, normal use can be realized in the pressure of the standard 5KPa of town gas, the pressure is within a low-pressure value, the power can be 18.5KW or more, the high power is realized, and the operation requirement of dining heating can be met.

Description of the drawings:

for ease of illustration, the utility model is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a burner according to the present utility model;

FIG. 3 is a schematic view of a copper nozzle according to the present utility model;

FIG. 4 is a schematic view of the structure of the ejector tube of the present utility model;

FIG. 5 is a cross-sectional view of an ejector tube in accordance with the present utility model.

1-a furnace end; 2-air inlet; 3-copper nozzle; 31-thread one; 32-second thread; 4-an ejector tube; 41-internal threads; 42-external threads; 401-mixing chamber; 402-an ejector chamber; 403-fixing seat; 5-dividing fire head; 51-a fire hole; 6-antifouling cap.

The specific embodiment is as follows:

as shown in fig. 1 to 5, the present embodiment adopts the following technical scheme: the fire-distribution furnace comprises a furnace end 1, an air inlet 2, a copper nozzle 3, an injection pipe 4 and a fire-distribution head 5, wherein the air inlet 2 is arranged at one end of the furnace end 1, the air inlet 2 is connected with an air inlet valve through a corrugated pipe, a plurality of copper nozzles 3 are fixedly arranged on the furnace end 1 through threads, a first thread 31 and a second thread 32 are arranged on the copper nozzles 3, the copper nozzles 3 are connected with the furnace end 1 through the first thread 31, the copper nozzles 3 are connected with the injection pipe 4 through the second thread 32, an internal thread 41 which is screwed with the second thread 32 is arranged at one end of the injection pipe 4, an external thread 42 is arranged at the other end of the injection pipe 4 and connected with the fire-distribution head 5, and a plurality of fire-outlet holes 51 are uniformly distributed on the fire-distribution head 5.

The ejector tube 4 consists of a mixing cavity 401, an ejector cavity 402 and a fixed seat 403, the ejector cavity 402 is arranged below the mixing cavity 401, the fixed seat 403 is arranged below the ejector cavity 402, the height of the ejector cavity 402 is 8-20MM, the optimal size is 10MM, the outer diameter of the ejector tube 4 is 10-18MM, the inner diameter is 6-16MM, the optimal outer diameter size is 14MM, the inner diameter size is 10MM, the height of the mixing cavity 401 of the ejector tube 4 is 25-50MM, and the optimal height size is 35MM.

The antifouling cap 6 is arranged on the fire dividing heads 5, so that the problem of blockage caused by water, oil and residues in the dripping process can be effectively prevented, the fire discharging direction is changed, flames can be fully combusted, heat energy is fully utilized, the number of the fire dividing heads 5 is 8-24, and the optimal number is 16.

The working principle of the specific embodiment is as follows: combustion gas enters the furnace end 1 through the air inlet 2 of the furnace end 1, is uniformly distributed and dispersed in the whole furnace end 1, is sprayed out by the copper nozzle 3, and is injected into a large amount of combustion demand air through the injection cavity 402 of the 360-degree circumferential range of the injection pipe 4, and is fully mixed with air to the mixing cavity 402, and finally is ignited and combusted through the fire outlet 51 of the fire dividing head 5.

This concrete implementation mode structural design is reasonable, easy operation, convenient to use has not only solved the too high safe problem of medium pressure strong fire stove pressure demand, has still solved simultaneously that low pressure strong fire stove power is little firepower and in the use water and oil and the easy problem of blockking up of residue, has realized can normal use in town gas standard 5KPa pressure, and pressure is within low pressure value, and the power can accomplish 18.5KW and above, realizes that the power is big, and firepower is strong, can satisfy the operation demand of dining heating.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a low pressure draws perpendicular injection hybrid combustor which characterized in that: it contains furnace end (1), air inlet (2), copper nozzle (3), injection pipe (4), divide fire head (5), the one end of furnace end (1) is provided with air inlet (2), air inlet (2) are connected with air inlet valve through the bellows, be provided with several copper nozzle (3) above furnace end (1) through the screw thread, be provided with screw thread one (31) and screw thread two (32) on copper nozzle (3), copper nozzle (3) are connected with furnace end (1) through screw thread one (31), copper nozzle (3) are connected with injection pipe (4) through screw thread two (32), the one end of injection pipe (4) is provided with internal thread (41) with screw thread two (32) looks butt, the other end of injection pipe (4) is provided with external screw thread (42), and be connected with branch fire head (5), the equipartition has several fire hole (51) on branch fire head (5).

2. A low pressure vertical injection mixing burner as defined in claim 1 wherein: the injection pipe (4) is composed of a mixing cavity (401), an injection cavity (402) and a fixing seat (403), the injection cavity (402) is arranged below the mixing cavity (401), and the fixing seat (403) is arranged below the injection cavity (402).

3. A low pressure vertical injection mixing burner as defined in claim 1 wherein: an antifouling cap (6) is arranged on the fire dividing head (5).