CN212890315U

CN212890315U - Liquefied gas nozzle device of manned train

Info

Publication number: CN212890315U
Application number: CN202021283932.9U
Authority: CN
Inventors: 王群
Original assignee: Wuhu Bowande Steam Power Technology Co ltd
Current assignee: Wuhu Bowande Steam Power Technology Co ltd
Priority date: 2020-07-04
Filing date: 2020-07-04
Publication date: 2021-04-06
Anticipated expiration: 2030-07-04

Abstract

The utility model discloses a liquefied gas nozzle device of manned train, its technical scheme main points are: the device comprises a supporting bottom plate, wherein a combustor support is fixedly connected to the supporting bottom plate, a windproof cylinder is fixedly connected to the upper end of the combustor support, a fire-spraying opening is fixedly formed in one end of the windproof cylinder, a gas mixing chamber is fixedly arranged at the end, different from the end connected with the windproof cylinder, of the fire-spraying opening, and a gas nozzle is fixedly arranged at the end, different from the end connected with the fire-spraying opening, of the gas mixing chamber; the inner part of the windproof cylinder is fixedly connected with a distributor which is of a circular plate structure and is provided with a plurality of through holes; a hearth is fixedly arranged on the supporting bottom plate, a fire baffle is fixedly arranged in the hearth, the surface of the fire baffle corresponding to the flame spraying direction is an arc surface, and a flame spraying opening is formed in the position, corresponding to the windproof cylinder, of the outer wall of the hearth; the utility model discloses can become slice flame with linear flame.

Description

Liquefied gas nozzle device of manned train

Technical Field

The utility model relates to a liquefied gas nozzle technical field, in particular to liquefied gas nozzle device of manned train.

Background

Due to the influence of an operation site and the environment, some places of the manned steam trains are not suitable for using coal as fuel, only can use gas fuel, and can use liquefied gas as fuel. However, most of nozzles of liquefied gas spray guns available in the market are nozzles with fine fire and strong fire power, and belong to linear fire power, and sheet fire power is needed for combustion heating of a furnace, so that the nozzles of the liquefied gas spray guns in the market are not suitable for heating a boiler furnace.

SUMMERY OF THE UTILITY MODEL

To the problem of mentioning in the background art, the utility model aims at providing a liquefied gas nozzle device of manned train to the nozzle that mentions current liquefied gas spray gun in solving the background art can not spray the problem that slice flame is used for heating boiler furnace.

The above technical purpose of the present invention can be achieved by the following technical solutions: a liquefied gas nozzle device of a manned train comprises a supporting bottom plate, wherein a combustor support is fixedly connected to the supporting bottom plate, a windproof cylinder is fixedly connected to the upper end of the combustor support, a fire-spraying opening is fixedly formed in one end of the windproof cylinder, a gas mixing chamber is fixedly arranged at the end, different from the end connected with the windproof cylinder, of the fire-spraying opening, and a gas nozzle is fixedly arranged at the end, different from the end connected with the fire-spraying opening, of the gas mixing chamber; the inner part of the windproof cylinder is fixedly connected with a distributor which is of a circular plate structure, and a plurality of through holes are formed in the distributor; the supporting bottom plate is fixedly provided with a hearth, a fire baffle is fixedly arranged in the hearth, the surface of the fire baffle corresponding to the flame spraying direction is an arc-shaped surface, and the position of the outer wall of the hearth corresponding to the windproof cylinder is provided with a flame spraying opening.

Further, the height of the fire baffle is greater than the height of the flame injection port.

Through above technical scheme, the flame that is erupted by the bocca passes through the flame jet and gets into furnace, and the fire shield can block flame completely, and flame scatters in furnace along the cambered surface of fire shield, the abundant burning of the flame of being convenient for.

Furthermore, a plurality of vent holes are formed in the outer wall of the hearth.

Through above technical scheme, the ventilation hole can guarantee that the air circulates in furnace, for providing sufficient oxygen in the furnace, is favorable to the abundant burning of liquefied gas, has improved the heating efficiency to furnace.

Furthermore, threaded holes are radially formed in the connecting end of the fire-spraying opening and the windproof cylinder.

Through above technical scheme, the screw hole is convenient for the bocca and is prevent wind a section of thick bamboo and carry out threaded connection, can make the bocca dismantle conveniently on the one hand, and on the other hand can carry on spacingly to the bocca, prevents that the bocca from rotating in preventing wind a section of thick bamboo.

Furthermore, the connection end of the flame-throwing port and the gas mixing chamber is fixedly provided with an internal thread, and an external thread matched with the internal thread is fixedly arranged on the gas mixing chamber.

Through above technical scheme, the gas mixing chamber can be dismantled from the bocca, is convenient for change.

Furthermore, the combustor support comprises a bottom frame and support lugs symmetrically arranged at the upper end of the bottom frame, and the distance between the two support lugs is equal to the outer diameter of the windproof cylinder.

Through above technical scheme, a section of thick bamboo is prevent wind to journal stirrup of combustor support can the chucking, has improved the stability of preventing wind a section of thick bamboo fixed.

To sum up, the utility model discloses mainly have following beneficial effect:

the utility model discloses a set up distributor and fender fire board, distributor are circular plate structure, has seted up a plurality of through-holes on the distributor, and distributor shunts linear flame into the fire crowd, and on the fire crowd sprayed fender stream board, fender stream board was the arcwall face corresponding to the face of flame injection direction, and the fire crowd continued to scatter in whole furnace along the arc face of fender fire board, and linear flame becomes slice flame, improves furnace's heating efficiency.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of a burner mount and a windbreak can in an embodiment of the invention;

FIG. 3 is a schematic structural view of a burner mount according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a burner in an embodiment of the present invention;

FIG. 5 is a schematic structural view of a gas mixing chamber according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of an air nozzle in an embodiment of the present invention;

reference numerals: 1. a support base plate; 2. a burner mount; 3. a windbreak barrel; 4. a flame port; 5. a gas mixing chamber; 6. an air nozzle; 7. a fire divider; 8. a hearth; 9. a fire shield; 201. a chassis; 202. supporting a lug; 401. a threaded hole; 402. an internal thread; 501. an external thread; 701. a through hole; 801. a flame jet orifice; 802. a vent hole.

Detailed Description

In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments, and all embodiments may be used in combination with each other.

The present invention will be described in detail with reference to the accompanying drawings and examples.

Example 1

Referring to fig. 1-6, a liquefied gas nozzle device of a manned train comprises a supporting base plate 1, a burner bracket 2 is fixedly connected to the supporting base plate 1, a wind-proof cylinder 3 is fixedly connected to the upper end of the burner bracket 2, and the wind-proof cylinder 3 can prevent flame from being extinguished by wind on one hand and prevent flame from escaping to the outside on the other hand; one end of the windproof cylinder 3 is fixedly provided with a flame jet 4, one end of the flame jet 4, which is different from the end connected with the windproof cylinder 3, is fixedly provided with a gas mixing chamber 5, and the gas mixing chamber 5 can fully mix liquefied gas and air, so that the liquefied gas can be conveniently combusted; an air nozzle 6 is fixedly arranged at one end of the air mixing chamber 5, which is different from the end connected with the fire nozzle 4, and the air nozzle 6 can spray the liquefied gas at a higher speed; a distributor 7 is fixedly connected inside the windproof cylinder 3, the distributor 7 is of a circular plate structure, a plurality of through holes 701 are formed in the distributor 7, and the linear flame is divided into fire groups to be sprayed out; a hearth 8 is fixedly arranged on the supporting bottom plate 1, the hearth 8 can ensure that fuel is burnt out as much as possible, and the temperature of flue gas at the outlet of the hearth 8 is cooled to a temperature which is allowed for safe work of a heating surface; a fire baffle plate 9 is fixedly arranged in the hearth 8, the plate surface of the fire baffle plate 9 corresponding to the flame spraying direction is an arc-shaped surface, fire groups are continuously scattered in the whole hearth 8 along the arc-shaped plate surface of the fire baffle plate 9, linear flames are changed into sheet flames, and the heating efficiency of the hearth 8 is improved; the outer wall of the hearth 8 is provided with a flame jet orifice 801 corresponding to the position of the windproof cylinder 3, so that fire groups can enter the hearth 8 conveniently, and the fire groups can be sprayed on the arc-shaped plate surface of the fireproof plate 9.

Referring to fig. 1, the height of the fire baffle 9 is greater than that of the flame injection port 801, the flame injected from the fire injection port 4 enters the furnace 8 through the flame injection port 801, the fire baffle 9 can completely block the flame, and the flame is dispersed in the furnace 8 along the arc surface of the fire baffle 9, so that the flame can be fully combusted.

Referring to fig. 1, a plurality of ventilation holes 802 have been seted up on the outer wall of furnace 8, and ventilation holes 802 can guarantee that the air circulates in furnace 8, for providing sufficient oxygen in furnace 8, is favorable to the abundant burning of liquefied gas, has improved the heating efficiency to furnace 8.

Referring to fig. 4, the connection end of the flame ports 4 and the wind-proof cylinder 3 is radially provided with a threaded hole 401, the threaded hole 401 facilitates the threaded connection of the flame ports 4 and the wind-proof cylinder 3, on one hand, the flame ports 4 can be conveniently detached, on the other hand, the flame ports 4 can be limited, and the flame ports 4 are prevented from rotating in the wind-proof cylinder 3.

Referring to fig. 4 and 5, an internal thread 402 is fixedly arranged at the connecting end of the fire hole 4 and the gas mixing chamber 5, an external thread 501 matched with the internal thread 402 is fixedly arranged on the gas mixing chamber 5, and the gas mixing chamber 5 can be detached from the fire hole 4, so that the gas mixing chamber is convenient to replace.

Referring to fig. 2 and 3, the burner bracket 2 comprises a bottom frame 201 and support lugs 202 symmetrically arranged at the upper end of the bottom frame 201, the distance between the two support lugs 202 is equal to the outer diameter of the windproof cylinder 3, and the support lugs 202 of the burner bracket 2 can clamp the windproof cylinder 3, so that the fixing stability of the windproof cylinder 3 is improved.

In summary, the following steps: liquefied gas is fully mixed with the air in gas mixing chamber 5 through air nozzle 6 injection, and the gas mixture ignites at gas mixing chamber 5 and forms linear flame, and linear flame then injects into prevent wind section of thick bamboo 3 the inside by bocca 4, and linear flame meets distributor 7, shunts linear flame into fire crowd through a plurality of through-holes 701 of distributor 7, and fire crowd sprays into furnace 8, and fire crowd hits fire damper 9, and fire crowd scatters in furnace 8 along the arc face of fire damper 9, and fire crowd becomes slice flame, and the burning is abundant, has improved the heating efficiency to furnace 8.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A liquefied gas nozzle device of manned train, includes supporting baseplate (1), its characterized in that: a burner support (2) is fixedly connected to the supporting bottom plate (1), a windproof cylinder (3) is fixedly connected to the upper end of the burner support (2), a fire-spraying opening (4) is fixedly arranged at one end of the windproof cylinder (3), a gas mixing chamber (5) is fixedly arranged at the end, different from the end connected with the windproof cylinder (3), of the fire-spraying opening (4), and an air nozzle (6) is fixedly arranged at the end, different from the end connected with the fire-spraying opening (4), of the gas mixing chamber (5); a distributor (7) is fixedly connected inside the windproof cylinder (3), the distributor (7) is of a circular plate structure, and a plurality of through holes (701) are formed in the distributor (7); the supporting bottom plate (1) is fixedly provided with a hearth (8), a fire baffle (9) is fixedly arranged in the hearth (8), the surface of the fire baffle (9) corresponding to the flame spraying direction is an arc-shaped surface, and the outer wall of the hearth (8) corresponds to the position of the windproof cylinder (3) and is provided with a flame spraying opening (801).

2. A liquefied gas nozzle device for passenger train as claimed in claim 1, wherein: the height of the fire baffle (9) is greater than the height of the flame injection port (801).

3. A liquefied gas nozzle device for passenger train as claimed in claim 1, wherein: a plurality of vent holes (802) are formed in the outer wall of the hearth (8).

4. A liquefied gas nozzle device for passenger train as claimed in claim 1, wherein: and threaded holes (401) are radially formed in the connecting ends of the fire-spraying ports (4) and the windproof barrel (3).

5. A liquefied gas nozzle device for passenger train as claimed in claim 1, wherein: the flame-throwing nozzle (4) is fixedly provided with an internal thread (402) at the connecting end of the gas mixing chamber (5), and an external thread (501) matched with the internal thread (402) is fixedly arranged on the gas mixing chamber (5).

6. A liquefied gas nozzle device for passenger train as claimed in claim 1, wherein: the burner support (2) comprises a bottom frame (201) and support lugs (202) symmetrically arranged at the upper end of the bottom frame (201), and the distance between the two support lugs (202) is equal to the outer diameter of the windproof cylinder (3).