CN219624038U - Gas gun tile shower nozzle - Google Patents

Abstract

The utility model discloses a tile spray head of a gas gun, which relates to the technical field of gas guns and comprises a tile body; a main runner arranged on the tile body and a secondary runner arranged at the side end of the main runner; the first combustion ports are arranged at one end of the tile body and are communicated with the main flow channel, the second combustion ports are arranged at the outer edge of the tile body and are communicated with the auxiliary flow channel, and the first combustion ports are not communicated with the second combustion ports. Through setting up first combustion port and second combustion port, spout the fuel from a plurality of combustion ports, divide into two with the fuel, spout from the first combustion port in centre all the way, spout from the second combustion port all the way for the root diameter of flame is great, and the flame temperature that forms spreads evenly, is difficult for forming local high temperature, reduces nitrogen oxide's formation, can produce the low pressure at the border of second combustion port when the flame sprays, and the low pressure causes the backward flow of flue gas to weaken the reaction of oxygen and nitrogen gas, reduce nitrogen oxide's formation.

Description

Gas gun tile shower nozzle

Technical Field

The utility model relates to the technical field of gas guns, in particular to a tile nozzle of a gas gun.

Background

The gas spray gun is a device for spraying flame by using gas, can rapidly heat, and is widely used in various fields.

In the prior art, in order to make the flame more concentrated, one or two nozzles are usually provided on the gas spray gun, and the flame is concentrated and sprayed from the nozzles in use, however, with the development of the gas spray gun technology, the flame temperature of the gas spray gun is enough to meet the requirement, and the fuel generates high heat during combustion and enables the oxygen to react with the nitrogen to generate nitrogen oxides, which have certain pollution to the environment and certain toxicity to the human body, so that a gas gun tile nozzle capable of reducing the generation of the nitrogen oxides is needed.

Disclosure of Invention

In order to achieve the above object, the present utility model provides the following technical solutions:

a gas gun tile spray head comprises a tile body;

the main runner is arranged on the tile body, and the auxiliary runner is arranged at the side end of the main runner;

the first combustion ports are arranged at one end of the tile body and are communicated with the main flow channel, the second combustion ports are arranged at the outer edge of the tile body and are communicated with the auxiliary flow channel, and the first combustion ports are not communicated with the second combustion ports.

According to the technical scheme, the fuel is sprayed out from the plurality of combustion ports by the gas gun, the fuel is divided into two paths, one path is sprayed out from the first combustion port in the middle, and the other path is sprayed out from the second combustion port, so that the root diameter of the flame is large, the formed flame temperature is uniformly dispersed, local high temperature is not easy to form, and the formation of nitrogen oxides is reduced. Meanwhile, low pressure is generated at the edge of the second combustion port during flame injection, the low pressure causes backflow of smoke, the smoke is burnt gas, the oxygen content is low, the oxygen content at the second combustion port can be reduced after the smoke is mixed with air in the second combustion port, so that the reaction of oxygen and nitrogen is weakened, and the formation of nitrogen oxides is reduced.

As a preferable technical scheme of the utility model, a baffle plate is arranged at the first combustion port, and annular equidistant nozzles are arranged on the baffle plate.

As a preferable technical scheme of the utility model, the auxiliary channels are annularly and equidistantly arranged at the side end of the main channel, one end of each auxiliary channel is connected with the main channel, the other end of each auxiliary channel is connected with the second combustion port, and the caliber of each auxiliary channel is smaller than that of the main channel.

As a preferable technical scheme of the utility model, all three side walls of the second combustion port shrink along the fuel spraying direction, so that the section size of the second combustion port is gradually reduced.

As a preferable technical scheme of the utility model, the side wall of the tile body is provided with a pin shaft hole.

As a preferable technical scheme of the utility model, one end of the tile body, which is far away from the first combustion port, is provided with a connecting port, and the connecting port is communicated with the main runner.

Compared with the prior art, the utility model has the beneficial effects that:

1. through setting up first combustion port and second combustion port, with the blowout of fuel from a plurality of combustion ports, divide into two-way with the fuel, the first combustion port blowout in the middle of being followed one way, the second combustion port blowout is followed to another way for the root diameter of flame is great, and the flame temperature that forms spreads evenly, is difficult for forming local high temperature, and then reduces the formation of nitrogen oxide. Meanwhile, low pressure is generated at the edge of the second combustion port during flame injection, the low pressure causes backflow of smoke, the smoke is burnt gas, the oxygen content is low, the oxygen content at the second combustion port can be reduced after the smoke is mixed with air in the second combustion port, so that the reaction of oxygen and nitrogen is weakened, and the formation of nitrogen oxides is reduced. Meanwhile, the heat of the flame root is absorbed to a certain extent by the back-flowing flue gas, so that the heat of the flame root is reduced, and the reaction of nitrogen and oxygen of the flame root is further restrained;

2. through setting up vice runner annular equidistant in the sprue side, can make the flow of every vice runner fairly to a certain extent, and the bore of vice runner is less than the bore of sprue for the pressure increase when fuel gets into the vice runner from the sprue, guarantees the stability of fuel injection.

Description of the drawings:

FIG. 1 is an overall block diagram of a tile nozzle of a gas gun in an embodiment of the utility model;

FIG. 2 is a semi-sectional view of a tile nozzle of a gas gun according to an embodiment of the present utility model;

fig. 3 is a front view of a tile nozzle of a gas gun in accordance with an embodiment of the present utility model.

The figures indicate: 1. a tile body; 11. a pin shaft hole; 12. a connection port; 2. a main flow passage; 3. a secondary flow passage; 4. a first combustion port; 41. a baffle plate; 42. a spout; 5. and a second combustion port.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model.

Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is merely representative of some embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by those skilled in the art, such terms are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Examples:

referring to fig. 1 to 2, a tile shower nozzle of a gas gun is provided in this embodiment. Comprises a tile body 1;

the middle part of the tile body 1 is provided with a main runner 2 along the length direction of the tile body and a secondary runner 3 arranged at the side end of the main runner 2;

the first combustion ports 4 are arranged at one end of the tile body 1 and are communicated with the main runner 2, and the second combustion ports 5 are arranged at the outer edge of the tile body 1 and are communicated with the auxiliary runner 3, and the first combustion ports 4 are not communicated with the second combustion ports 5. Through setting up first combustion port 4 and second combustion port 5, spout the fuel from a plurality of combustion ports, divide into two-way with the fuel, the first combustion port 4 blowout in the middle of being followed one way, the second combustion port 5 blowout is followed to another way for the root diameter of flame is great, and the flame temperature that forms spreads evenly, is difficult for forming local high temperature, and then reduces the formation of nitrogen oxide. Meanwhile, low pressure is generated at the edge of the second combustion port 5 during flame injection, the low pressure causes backflow of smoke, the smoke is burnt gas, the oxygen content is low, the oxygen content at the second combustion port 5 can be reduced after the smoke is mixed with air in the second combustion port 5, so that the reaction of oxygen and nitrogen is weakened, and the formation of nitrogen oxides is reduced. Meanwhile, the heat of the flame root can be absorbed to a certain extent by the back-flowing smoke, so that the heat of the flame root is reduced, and the nitrogen and oxygen of the flame root are further restrained from reacting. The open area at the first combustion port 4 is large, so that the nitrogen concentration at the first combustion port 4 is low and the oxygen concentration is high, and the generation of nitrogen oxides can be suppressed.

Referring to fig. 2 to 3, a baffle plate 41 is provided at the first combustion port 4, and four annular equally spaced nozzles 42 are provided on the baffle plate 41. In the actual use process, the fuel reaches the baffle plate 41 from the main flow channel 2 and is sprayed out from the spray nozzle 42, the caliber of the spray nozzle 42 is smaller, so that the pressure of the fuel is increased, the spraying speed is increased, and the spraying pressure is ensured.

The auxiliary flow channel 3 is annular and is arranged at the side end of the main flow channel 2 at equal intervals, one end of the auxiliary flow channel 3 is connected with the main flow channel 2, the other end of the auxiliary flow channel 3 is connected with the second combustion port 5, and the caliber of the auxiliary flow channel 3 is smaller than that of the main flow channel 2, so that the pressure of fuel entering the auxiliary flow channel 3 from the main flow channel 2 is increased, and the stability of fuel injection is ensured.

As shown in fig. 1 to 3, the three side walls of the second combustion port 5 are contracted in the fuel discharge direction, so that the cross-sectional size of the second combustion port 5 is gradually reduced. By the slope arrangement, the pressure is maintained at the time of fuel ejection from the second combustion port 5.

The side wall of the tile body 1 is provided with a pin shaft hole 11. During installation, the tile body 1 is sleeved into the gas gun, then the pin shaft is inserted into the surface of the gas gun, and when the tile body 1 is installed at a proper position, the pin shaft can be inserted into the pin shaft hole 11, so that an operator can conveniently judge the installation position of the tile body 1, and the tile body 1 can be laterally fixed.

The one end that the tile body 1 deviates from first combustion port 4 has seted up connector 12, and connector 12 and sprue 2 intercommunication, connector 12 and the corresponding fixed part cutting ferrule of gas rifle are connected, conveniently fix the tile body 1 to in the gas can be followed connector 12 department and moved sprue 2 and auxiliary flow way 3.

Working principle: when the gas gun is used, the connecting ports 12 are connected with corresponding fixing positions of the gas gun in a cutting sleeve mode, then the pin shafts are inserted into the surfaces of the gas gun, when the tile body 1 is installed at a proper position, the pin shafts are inserted into the pin shaft holes 11, an operator judges whether the installation position of the tile body 1 is proper or not, then the gas gun ejects fuel from a plurality of combustion ports, the fuel is divided into two paths, one path is ejected from the first combustion port 4 in the middle, the other path is ejected from the second combustion port 5, the root diameter of flame is large, the formed flame temperature is uniformly dispersed, local high temperature is not easy to form, and the formation of nitrogen oxides is reduced. Meanwhile, low pressure is generated at the edge of the second combustion port 5 during flame injection, the low pressure causes backflow of smoke, the smoke is burnt gas, the oxygen content is low, the oxygen content at the second combustion port 5 can be reduced after the smoke is mixed with air in the second combustion port 5, so that the reaction of oxygen and nitrogen is weakened, and the formation of nitrogen oxides is reduced.

The above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, and although the present utility model has been described in detail in the present specification with reference to the above embodiments, the present utility model is not limited to the above specific embodiments, and thus any modifications or equivalent substitutions are made to the present utility model; all technical solutions and modifications thereof that do not depart from the spirit and scope of the utility model are intended to be included in the scope of the appended claims.

Claims (6)

1. The utility model provides a gas rifle tile shower nozzle which characterized in that: comprises a tile body (1);

a main runner (2) arranged on the tile body (1), and a secondary runner (3) arranged at the side end of the main runner (2);

the first combustion ports (4) are formed in one end of the tile body (1) and are communicated with the main flow channel (2), the second combustion ports (5) are formed in the outer edge of the tile body (1) and are communicated with the auxiliary flow channel (3), and the first combustion ports (4) are not communicated with the second combustion ports (5).

2. The gas gun tile nozzle of claim 1, wherein: the first combustion port (4) is provided with a baffle plate (41), and annular equidistant nozzles (42) are arranged on the baffle plate (41).

3. The gas gun tile nozzle of claim 1, wherein: the auxiliary flow channels (3) are arranged at the side ends of the main flow channels (2) in an annular equidistant mode, one ends of the auxiliary flow channels (3) are connected to the main flow channels (2), the other ends of the auxiliary flow channels are connected to the second combustion ports (5), and the caliber of the auxiliary flow channels (3) is smaller than that of the main flow channels (2).

4. The gas gun tile nozzle of claim 1, wherein: the three side walls of the second combustion port (5) are contracted along the fuel spraying direction, so that the cross section of the second combustion port (5) is gradually reduced.

5. The gas gun tile nozzle of claim 1, wherein: the side wall of the tile body (1) is provided with a pin shaft hole (11).

6. The gas gun tile nozzle of claim 1, wherein: one end of the tile body (1) deviating from the first combustion port (4) is provided with a connecting port (12), and the connecting port (12) is communicated with the main runner (2).