KR100423372B1 - LNG-burner for a restaurant - Google Patents

Abstract

The present invention relates to a gas burner for a branch (LNG-burner befor a restaurant), in particular, the injection nozzles arranged in the columnar shape on the upper surface of the burner body of the columnar vertical injection nozzle (200a) and inwardly directed injection nozzle (200b) ) Alternately to widen the gas dispersion range so that the injection gas and the combustion air are closely coupled, and the combustion promotion unit 300 is installed at the center of the burner body 100 to burn the gas (reaction). By providing forced air and natural wind for the air supply required by the company, it provides the LNG burner for branch offices that improves the thermal efficiency, saves fuel, and reduces the air pollution by the complete combustion to guarantee environmentally friendly products.

Description

LG Burner for Stores {LNG-burner for a restaurant}

The present invention relates to a LNG burner for a branch (LNG-burner for a restaurant), and in particular, the injection hole of the injection nozzle which is installed circumferentially installed on the upper surface of the burner body alternately installed to face the inside / outside of the center circle and burner By installing a combustion accelerator for supplying combustion air by arbitrarily changing forced air / natural wind at the center of the body, it promotes combustion of LNG injected from the injection nozzle to maintain high firepower and increase cooking efficiency. It relates to an environmentally friendly LNG burner that can lower the cost.

General branch LPG / LNG burners combine the injection nozzles with the majority of the cylindrical burner bodies or align the injection nozzles with the buffer on the coil in one direction so that the gas is evenly burned in a certain range. Gases injected by intersecting the injection directions of the nozzles collide with each other and are divided into gas burners which slow down the injection speed of the gas.

These gas burners have been disclosed to improve the various injection nozzles because the thermal efficiency is less than expected compared to the amount of gas combustion, the examples of these, as the injection nozzles for liquefied gas as the injection hole of the nozzle in the body of the furnace passage A main nozzle of a liquefied petroleum gas furnace for screwing together a main nozzle having a plurality of small holes formed on the side thereof has been disclosed (Publication Model Application Publication No. 20-1990-5202), and is also used as a nozzle for a gas stove at the periphery of the nozzle. Nozzle (Publication Patent Publication No. 10-1993-20081) has been disclosed in which a coupling screw is formed, an air passage is formed in the center, and a plurality of external air supply holes are formed at the periphery. A nozzle having a plurality of outside air supply holes (No. 20-1993-21977) has been disclosed and has a buffer body. Is a jet tip of the burner nozzle tip having a coil-type buffer on the injection port side of the nozzle is formed in the outer periphery of the nozzle tip is coupled to the nozzle fixed to the burner head (body) (open-use model) 20-1996-11696) relates to a nozzle, which is installed perpendicular to the top of the burner body and has an air pipe having a plurality of first air holes along the outer periphery of the lower nozzle supplied with gas, and assembled thereto. Injected nozzle structure having one or more second air holes and the inner periphery protruding stepped in the inner periphery, and a burner nozzle structure (disclosed to the Utility Model Publication No. 20-1999-0034742) for dispersing the gas flowing in the injection pipe body Although there are some gas burners for improving the injection nozzles to improve these conventional gas burners, there is disclosed a jet tip of a gas burner having a buffer. A gas having a buffer fixed to the burner head and having an extension and a buffer on the outer circumferential surface of a jet burner tip having a nozzle, a primary air supply hole, an internal vacancy and a crater, and inserted into a hole in a winding portion of a circular steel buffer The jet tip of the burner (Registration Utility Model Publication No. 20-1999--0163110) has been disclosed, and also related to the jet type gas burner, an inclined plate is arranged so that the gas injected in front of the injection nozzle is hit by a high speed. A jet type gas burner (Publication Patent Publication No. 10-2000-0012460) in which the gas injected into the slant plate is easily ignited has been disclosed, and also relates to a combustion device of a gas burner used in a restaurant or a Chinese restaurant. Two cups of large and small diameters are overlapped and placed around the jet nozzle, and the upper opening of the upper cup has a salt hole. The combustion device of the gas burner (Registration Utility Model Publication No. 20-2000-0184384), which is formed at a lower position than the jaw and the nozzle and has a narrow conical shape, has been disclosed, and a spray hole is formed in the center of the upper surface of the nozzle body. On one side thereof, an expansion hole corresponding to the inner surface of the wall of the nozzle body is formed, and a gas burner nozzle (Registration Utility Model Publication No. 20-2000-0200525), which forms a plurality of inclined holes on the inclined surface of the main body, has been disclosed. Further, the gas burner which increases the fire power of the gas burner, is a combustor of the cooking gas burner, and a fire tower having an inclined surface up and down is inserted in the center of the burner head, and the direction of the crater of the jet type burner tip installed in the burner head is the center of the fire tower. A combustion apparatus (registration model model No. 20-2000-0197146) of a cooking gas burner installed inclined to face a predetermined height of an axis has been disclosed.

In the case of the conventional gas burners, the fuel has been achieved in the case of LPG, but most of the branches are replacing fuel with LNG, so the LNG burner is a method to increase the fire power by increasing the combustion efficiency.

The present invention effectively increases the combustion efficiency by effectively discharging the injection direction of the gas injection, and provides a forced air and natural wind for supplying the air required for gas combustion (reaction) to increase the thermal efficiency, fuel saving and air pollution by complete combustion It is to provide an environmentally friendly gas burner for lower sales.

In order to achieve the above object, the present invention alternately installs the vertical injection nozzle and the inward injection nozzle of the injection nozzle circumferentially disposed on the upper surface of the burner body of the columnar shape to widen the dispersion range of gas for combustion (oxidation). By increasing the efficiency and installing the combustion promotion unit in the center of the burner body, where the combustion air combined with the gas is forced to provide forced air or natural air, the combustion promoting unit is installed to increase the thermal power and complete combustion. It is characterized by an environmentally friendly LNG burner that can reduce pollution.

1 is a perspective view of the present invention LNG burner

2 is a cross-sectional view of the present invention LNG burner

3a and 3b is a cross-sectional view illustrating the operation of the combustion promoting unit of the present invention

4 is a front view of an LNG burner provided with another combustion promotion unit according to the present invention;

5 is a perspective view of another combustion measuring unit of the present invention;

* Explanation of symbols for the main parts of the drawings *

100; Burner body 110; Gas supply pipe

120 valve 200a; Vertical Injection Nozzle

200b; Inward spray nozzle 300,300a; Combustion Promotion Unit

310; Blower 310a; Staircase

320; Blower 330; Blowhole

340; Inlet 350; Open door

360; Automatic control means

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of an LNG burner implementing the present invention, Figure 2 is a cross-sectional view of the LNG burner of the present invention, Figures 3a and 3b is a cross-sectional view illustrating the operation of the combustion promotion unit of the present invention, the burner body 100 The gas supply pipe 110 is provided with a gas adjusting valve 120 is provided to supply gas through a gas connection hose (not shown).

On the upper surface of the burner body 100, the injection nozzles arranged in a circumferential shape are alternately provided with a vertical jet nozzle 200a and an inward jet nozzle 200b.

The central portion of the burner body 100 and the blower pipe 310 for blowing the wind flowing from the blower (not shown); Combustion promotion unit 300 is composed of a blowing hole 320 for supplying the blowing air flowing from the blowing pipe 310 to the gas burner.

A bottom of the combustion promotion unit 300 is formed with an inlet 340 through which outside air is introduced, and an air outlet 330 is provided at the end of the blower tube 310, and between the air outlet 330 and the inlet 340. It is provided with an opening and closing door 350 alternately, the automatic control means 360 made of a spring 370 linked to the operation bar coupled to the lower end of the opening and closing door 350 on the lower outer peripheral surface of the combustion promotion unit 300 It is provided.

According to the present invention constituted as described above, when the gas is supplied to the burner body 100 to operate the burner, when the blower (not shown) provided in the blower tube 310 is operated, the wind of the blower blows the blower tube ( The opening and closing door 350, which is closing the air outlet 330 while being introduced through 310, is pushed by the blowing pressure (air pressure), and the opening and closing door 350 wins the elasticity of the spring 370 of the automatic control means 360. 3b opens the tuyeres 330, while closing the inlet 340 of the combustion promotion unit 300, the air blown from the tuyeres 330 is the combustion promotion unit. It is supplied to the gas combustion unit through the blowing hole 320 of 300 to promote combustion to increase the thermal power.

On the contrary, when the blower of the blower is stopped, the opening / closing door 350 which has been subjected to the repulsive force by the automatic control means 350 closes the blower 330 as shown in FIG. 3A by the repulsive force of the spring 370. On the other hand, the inlet 340 is opened so that external air is introduced into the combustion promotion unit 300 through the inlet 340 and supplied to the combustion site through the blowing hole 320.

At this time, the opening and closing door 350 which alternately opens and closes the blower 330 and the inlet 340 by pushing or pulling each time the blower is manually operated by connecting a rod or a wire in addition to the automatic control means 360 composed of the spring. It may be implemented in a simple configuration to open and close the blower 330 and the inlet 340.

4 and 5 are a plan view of the LNG burner provided with the other combustion promoting unit and a perspective view of the other combustion promoting unit in the present invention, as shown in Figure 1 vertically sprayed circumferentially disposed on the upper surface of the burner body 100; It has the same function as the configuration of alternately installing the nozzle 200a and the inwardly-injection nozzle 200b, except that the combustion promotion unit is installed at the center of the burner body 100 to supply combustion air to the combustion unit by blowing. By differently forming a stepped surface 310a on the circumferential wall of the combustion promotion unit 300, the same as the configuration of the blower 330, the inlet 340, the opening and closing door 350, as in the combustion promotion unit 300 You will get a working effect.

In addition, the inlet 340 which is installed at the center of the burner body 100 of the present invention and inflows external air into the lower portion of the combustion promotion unit 300 which forms a plurality of blow holes 320 on the upper surface and the main wall is sealed. By opening only the blower pipe 310, combustion may be promoted only by forced air blowing by an electric automatic control means.

As described above, the present invention increases the combustion efficiency by effectively discharging the injection direction of the gas injection, and provides forced air and natural wind for supplying air required for gas combustion (reaction) to increase thermal efficiency, save fuel, and complete combustion. It is a useful invention that ensures environmentally friendly products by reducing the air pollution by.

Claims (4)

A burner body in which a gas connecting pipe having a conventional valve is integrally formed and alternately installed vertically injecting nozzles and inwardly injecting nozzles on a circumference thereof, and a blower pipe for transferring wind of a blower to a central portion of the burner body; A blower for blowing wind introduced through the blower; An inlet for introducing external air into a bottom surface corresponding to the blower; An opening and closing door that alternately opens and closes the tuyeres and the inlets; Automatic control means for controlling the opening and closing of the door by a spring; An LNG burner for a business shop, comprising a combustion promotion unit having a plurality of blowing holes for injecting combustion air into the combustion unit by opening and closing the opening and closing door. The LNG burner for a business shop according to claim 1, wherein the combustion promoting unit is formed in a cylindrical shape having a plurality of blow holes on the upper surface and the main wall. According to claim 1, wherein the combustion promoting unit is installed in the central part of the burner body and forms a stepped surface on the upper side of the cylindrical body, and a plurality of blowing holes formed on the upper side and the stepped surface LNG burner. delete