CN210921488U

CN210921488U - Refractory inner structure of combustion chamber

Info

Publication number: CN210921488U
Application number: CN201921668913.5U
Authority: CN
Inventors: 陈镇平; 王志远
Original assignee: Changzhou Spaceflight Yueda Precision Machinery Co ltd
Current assignee: Changzhou Spaceflight Yueda Precision Machinery Co ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-07-03
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a village structure in combustion chamber is fire-resistant, including main part and the refractory slab of setting in the main part is inside, the inlet port has all been seted up to main part both sides inside, the inside first cavity that is provided with of main part, the inlet port with the inside being linked together of first cavity, the refractory slab sets up at the inside intermediate position of first cavity, the inside second cavity that is provided with of refractory slab, the top both sides of refractory slab all are provided with first mounting, first mounting one end and main part inner wall fixed connection. The utility model discloses a set up the refractory slab, and then make the naked light that produces in the device operation process can directly not contact with the inner wall of main part, and then realized the protection to the main part inner wall, the effectual life who prolongs the main part, realized the secondary entering of air through setting up the inlet port simultaneously, and then be favorable to the inside fuel spraying of second cavity to carry out more abundant burning to be favorable to improving the combustion efficiency of device.

Description

Refractory inner structure of combustion chamber

Technical Field

The utility model relates to a combustion chamber field specifically is a village structure in combustion chamber is fire-resistant.

Background

The combustion chamber is a device in which fuel or propellant is combusted to generate high-temperature gas, is combustion equipment made of high-temperature resistant alloy materials, is a space between the top of a piston and a cylinder cover after the piston reaches a top dead center, and the fuel is combusted in the combustion chamber.

However, the existing combustion chamber has the following disadvantages:

1. the existing combustion chamber has the defects of the structure, so that when the device runs, the inside of the device between fuel oil is combusted, the corresponding protection structure is not arranged, the inner wall of the device is easily damaged in the long-time use process of the device, and the service life of the device is further shortened.

2. The existing combustion chamber adopts a single air inlet pipeline for air inlet, so that the combustion of fuel oil in the device is insufficient, and the combustion efficiency of the device is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a village structure in combustion chamber is fire-resistant, the current combustion chamber has been solved because the defect of structure itself, when the device operates, make the inside burning that burns of device between the fuel, and do not have corresponding protection architecture, and then in the long-time use of device, cause the damage to the device inner wall easily, and then reduced the problem of the life of device, it all adopts single admission line to admit air to have solved current combustion chamber simultaneously, and then it is not sufficient to lead to the fuel at the inside burning of device, thereby the problem of the combustion efficiency of device has been reduced.

In order to achieve the above object, the utility model provides a following technical scheme: a refractory lining structure of a combustion chamber comprises a main body and a refractory plate arranged in the main body, wherein air inlet holes are formed in the two sides of the main body, a first cavity is arranged in the main body, the air inlet holes are communicated with the inside of the first cavity, the refractory plate is arranged in the middle of the inside of the first cavity, a second cavity is arranged in the refractory plate, first fixing pieces are arranged on the two sides of the top of the refractory plate, one end of each first fixing piece is fixedly connected with the inner wall of the main body, the other end of each first fixing piece is fixedly connected with one side, close to the inner wall of the main body, of the refractory plate, second fixing pieces are arranged on the middle position and the outer wall of the bottom of the refractory plate, one end of each second fixing piece is fixedly connected with the inner wall of the main body, the other end of each second fixing piece is fixedly connected with, the bottom of the igniter is arranged inside the second cavity, an air inlet pipeline is arranged on one side of the igniter, the air inlet pipeline is communicated with the inside of the second cavity, an oil inlet pipeline is arranged on one side, away from the igniter, of the air inlet pipeline, the oil inlet pipeline is communicated with the inside of the second cavity, an air outlet pipeline is arranged on one side, away from the air inlet pipeline, of the igniter, the air outlet pipeline is communicated with the inside of the second cavity, a piston is arranged inside the second cavity, and a connecting rod is fixedly connected to the middle position of the bottom of the piston.

Preferably, the air inlet is provided with two, two the air inlet inside all be provided with the filtration filler, avoided impurity to the influence of device normal operating.

Preferably, the through holes are formed in the middle of the inside of the first fixing piece, the filter screen is arranged inside the through holes, and therefore the influence of impurities in the air on the operation of the device is further reduced.

Preferably, the second fixing piece is internally provided with a cavity, the top of the cavity is provided with an air inlet, and the cavity is internally communicated with the second cavity, so that the combustion efficiency of the device is improved.

Preferably, the first fixing piece and the second fixing piece are made of steel, and the height of the first fixing piece is set to be 2 times that of the second fixing piece, so that the fire resistance of the first fixing piece and the second fixing piece is improved.

Preferably, the fire-resistant plate adopts a double-layer structure and is made of high-temperature-resistant alloy steel materials, so that the fire resistance of the fire-resistant plate is further improved.

The utility model provides a village structure in combustion chamber is fire-resistant possesses following beneficial effect:

(1) the utility model discloses a set up the refractory slab, first mounting, the second mounting, some firearm, the admission line, advance oil pipe, the pipeline of giving vent to anger, when using, supply with oxygen to the second cavity inside through the admission line, and realize carrying out the oil spout to the second cavity inside through advancing oil pipe, then ignite the inside oil gas mixture of second cavity through some firearm, thereby make the device work, and through first mounting, the second mounting fixes the refractory slab inside the main part, and then make the naked light that produces in the device operation process can directly contact with the inner wall of main part, and then realized the protection to the main part inner wall, the effectual life who prolongs the main part.

(2) The utility model discloses a set up the inlet port, the second cavity, filter the filler, the filter screen, the air inlet, through setting up the inlet port, and then in device operation in-process, can realize the entering of air through the inlet port, and filter through filtering the filter screen inside filler and first mounting, inside filtered air gets into the cavity through the air inlet, then get into inside the second cavity through the cavity, thereby make inside oxygen content of second cavity rise, and then be favorable to the inside fuel spraying of second cavity to carry out more abundant burning, thereby be favorable to improving the combustion efficiency of device.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a bottom view of the overall structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the refractory plate of the present invention;

fig. 4 is a schematic structural view of a portion a in fig. 1 according to the present invention;

fig. 5 is a schematic structural diagram of the position B in fig. 1 according to the present invention.

In the figure: 1. a main body; 2. a refractory plate; 3. an air inlet; 4. a first cavity; 5. a second cavity; 6. a first fixing member; 7. a second fixing member; 8. an igniter; 9. an air intake duct; 10. an oil inlet pipeline; 11. an air outlet pipe; 12. a piston; 13. a connecting rod; 14. filtering the filler; 15. a filter screen; 16. an air inlet.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-5, the utility model provides a technical solution: a refractory lining structure of a combustion chamber comprises a main body 1 and a refractory plate 2 arranged inside the main body 1, wherein air inlet holes 3 are formed in the two sides of the main body 1, a first cavity 4 is arranged inside the main body 1, the air inlet holes 3 are communicated with the inside of the first cavity 4, the refractory plate 2 is arranged in the middle of the inside of the first cavity 4, a second cavity 5 is arranged inside the refractory plate 2, first fixing pieces 6 are arranged on the two sides of the top of the refractory plate 2, one end of each first fixing piece 6 is fixedly connected with the inner wall of the main body 1, the other end of each first fixing piece 6 is fixedly connected with one side, close to the inner wall of the main body 1, of the refractory plate 2, second fixing pieces 7 are arranged on the outer walls of the middle and the bottom of the refractory plate 2, one end of each second fixing piece 7 is fixedly connected with the inner wall of the main body 1, the other end of each second fixing, 1 top intermediate position of main part is provided with some firearm 8, some firearm 8 bottom sets up inside second cavity 5, some firearm 8 one side is provided with admission line 9, inside and the inside of second cavity 5 of admission line 9 are linked together, admission line 9 is kept away from some firearm 8 one side and is provided with oil inlet pipe 10, oil inlet pipe 10 is inside and the inside of second cavity 5 is linked together, some firearm 8 is kept away from admission line 9 one side and is provided with pipeline 11 of giving vent to anger, pipeline 11 is inside and the inside of second cavity 5 is linked together of giving vent to anger, the inside piston 12 that is provided with of second cavity 5, piston 12 bottom intermediate position fixedly connected with connecting rod 13.

The air inlet 3 is provided with two, two 3 inside all be provided with of air inlet filter 14, through setting up two air inlets 3, and then has increaseed the inside air input of first cavity, and filter filler 14 through setting up, and then make the air when getting into first cavity inside, can avoid impurity to the influence of device normal operating through the filtration of filtering filler 14.

The inside intermediate position of first mounting 6 all is provided with the through-hole, the inside filter screen 15 that is provided with of through-hole, through setting up the through-hole, and then make the air that inlet port 3 got into inside first cavity 4 can carry out filtration once more through filter screen 15 in the through-hole, and then further reduce the influence of impurity in the air to the device operation.

The inside cavity that sets up of second mounting 7, the cavity top is provided with air inlet 16, just the cavity is inside to be linked together with second cavity 5, through set up the cavity at second mounting 7, and set up air inlet 16 at the cavity top, and then make the inlet port 3 get into inside the gas of first cavity 4 can get into the cavity through air inlet 16, then get into inside second cavity 5 through the cavity to make the inside oxygen content of second cavity 5 rise, and then be favorable to the inside fuel oil spraying of second cavity 5 to carry out more abundant burning, thereby be favorable to improving the combustion efficiency of device.

The first fixing piece 6 and the second fixing piece 7 are made of steel, the height of the first fixing piece 6 is set to be 2 times that of the second fixing piece 7, and the fire resistance of the first fixing piece 6 and the second fixing piece 7 is improved by the first fixing piece 6 and the second fixing piece 7 made of steel.

The fire-resistant plate 2 adopts a double-layer structure, the fire-resistant plate 2 is made of high-temperature-resistant alloy steel materials, the fire-resistant plate 2 is made of the double-layer structure, the fire resistance of the fire-resistant plate 2 is further enhanced, the fire-resistant plate 2 is made of the high-temperature-resistant alloy steel materials, and the fire resistance of the fire-resistant plate 2 is further improved.

The working principle is as follows: when the device is used, oxygen is supplied to the inside of the second cavity 5 through the air inlet pipeline 9, oil injection is carried out on the inside of the second cavity 5 through the oil inlet pipeline 10, then an oil-gas mixture in the inside of the second cavity 5 is ignited through the igniter 8, so that the device works, the fire-resistant plate 2 is fixed in the main body 1 through the first fixing piece 6 and the second fixing piece 7, further, open fire generated in the running process of the device cannot be directly contacted with the inner wall of the main body 1, further, the protection on the inner wall of the main body 1 is realized, the service life of the main body 1 is effectively prolonged, in addition, through the air inlet 3, the air can enter through the air inlet 3 in the running process of the device, in addition, the filtering is carried out through the filtering filler 14 and the filtering screen 15 in the first fixing piece 6, and the filtered air enters the cavity through the air inlet 16, then get into inside 5 second cavities through the cavity to make 5 inside oxygen content of second cavities rise, and then be favorable to 5 inside fuel oil spraying of second cavities to carry out more abundant burning, thereby be favorable to improving the combustion efficiency of device.

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 refractory liner structure of a combustion chamber, comprising a main body (1) and a refractory plate (2) arranged inside the main body (1), characterized in that: the air inlet holes (3) are respectively formed in the two sides of the main body (1), the first cavity (4) is arranged in the main body (1), the air inlet holes (3) are communicated with the inside of the first cavity (4), the fire-resistant plate (2) is arranged in the middle of the inside of the first cavity (4), the second cavity (5) is arranged in the fire-resistant plate (2), the first fixing parts (6) are respectively arranged on the two sides of the top of the fire-resistant plate (2), one end of each first fixing part (6) is fixedly connected with the inner wall of the main body (1), the other end of each first fixing part (6) is fixedly connected with one side, close to the inner wall of the main body (1), of the fire-resistant plate (2), the second fixing parts (7) are respectively arranged on the middle position and the outer wall of the bottom of the fire-resistant plate (2), one end of each second fixing part (7) is fixedly connected with the inner wall of the main body (1), the other end of each, main part (1) top intermediate position is provided with some firearm (8), some firearm (8) bottom sets up inside second cavity (5), some firearm (8) one side is provided with admission line (9), admission line (9) inside is linked together with second cavity (5) inside, admission line (9) are kept away from some firearm (8) one side and are provided with into oil pipe way (10), it is inside to be linked together with second cavity (5) inside to advance oil pipe way (10), admission line (9) one side is kept away from in some firearm (8) is provided with air outlet pipe way (11), air outlet pipe way (11) inside is linked together with second cavity (5) inside, second cavity (5) inside is provided with piston (12), piston (12) bottom intermediate position fixedly connected with connecting rod (13).

2. The refractory liner structure of claim 1, wherein: the filter is characterized in that two air inlets (3) are arranged, and filter fillers (14) are arranged in the two air inlets (3).

3. The refractory liner structure of claim 1, wherein: the middle position in the first fixing part (6) is provided with a through hole, and a filter screen (15) is arranged in the through hole.

4. The refractory liner structure of claim 1, wherein: the inside of the second fixing piece (7) is provided with a cavity, the top of the cavity is provided with an air inlet (16), and the inside of the cavity is communicated with the inside of the second cavity (5).

5. The refractory liner structure of claim 1, wherein: the first fixing piece (6) and the second fixing piece (7) are made of steel, and the height of the first fixing piece (6) is set to be 2 times that of the second fixing piece (7).

6. The refractory liner structure of claim 1, wherein: the fire-resistant plate (2) is of a double-layer structure, and the fire-resistant plate (2) is made of high-temperature-resistant alloy steel materials.