CN114894955B - Semitransparent low-pressure gas combustion chamber structure - Google Patents
Semitransparent low-pressure gas combustion chamber structure Download PDFInfo
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- CN114894955B CN114894955B CN202210390014.3A CN202210390014A CN114894955B CN 114894955 B CN114894955 B CN 114894955B CN 202210390014 A CN202210390014 A CN 202210390014A CN 114894955 B CN114894955 B CN 114894955B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2207/00—Ignition devices associated with burner
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Abstract
The invention aims to provide a semitransparent low-pressure gas combustion chamber structure which mainly comprises an ignition wire, a one-way air valve, a gland, an ignition plug, a pressure sensor, a body, a pressure relief plug, a pressure relief valve needle, an igniter, a temperature probe, a glass gland, quartz glass and the like. The one-way air valve is arranged at the outer end of the ignition plug and used for injecting air into the whole device, the igniter is arranged on the ignition plug and extends into the body and used for igniting internal gas, one end of the ignition wire is connected with the igniter, and the other end of the ignition wire extends out of the ignition plug. The ignition plug and the pressure relief plug are respectively arranged at the left end and the right end of the body, two pressure sensors and two temperature probes are arranged on the body and used for testing temperature and pressure changes in the gas combustion process, and the pressure relief plug and the pressure relief needle valve are used for releasing the internal pressure of the combustion chamber after the gas combustion is finished. Two observation windows are arranged on the body and used for observing the internal combustion condition of the combustion chamber.
Description
Technical Field
The invention relates to the technical field of gas airtight combustion research, in particular to a semitransparent low-pressure gas combustion chamber structure.
Background
In recent years, gas combustion technology has been rapidly developed, with the gradual development of carbon neutralization and carbon peak-reaching work in China, more researches are put into the aspect of optimizing industrial structures and energy structures in China in the future, in order to continuously improve the combustion efficiency of gas fuel and reduce pollution emission, gas combustion researches are required from different aspects, the traditional gas combustion researches are generally open environments, the combustion condition of gas under high temperature and high pressure environments cannot be researched, the combustion characteristics of gas under different temperatures, different concentrations and different pressures can be researched by a controlled variable method, and the change of flame can be observed in the gas combustion process, so that a semitransparent low-pressure gas combustion chamber integrating multiple functions of gas injection, ignition, temperature measurement, pressure relief and the like is required to be designed for researching the combustion characteristics of combustible gas.
Disclosure of Invention
The invention ignites the gas in the combustion chamber through the ignition wire, and tests the combustion characteristics of the gas at different temperatures, different concentrations and different pressures through the pressure sensor and the temperature sensor, and can observe the change of flame through the observation window in the gas combustion process.
The object of the invention is achieved in the following way:
the utility model provides a semitransparent low-pressure gas combustion chamber structure, includes the combustion chamber body, the inside cavity that sets up of body, body both ends set up the gland respectively, the gland is fixed on the body, body one end be provided with the ignition end cap, first gland and body are connected to the ignition end cap, be provided with the through-hole that is connected to the cavity on the ignition end cap, keep away from cavity one side on the through-hole and be provided with one-way pneumatic valve, ignition end cap intermediate position is provided with the centre bore, is provided with the ignition wire in the centre bore, the ignition wire is connected the pressure-bearing navigation plug of cavity internal fixation on the ignition end cap, the igniter of pressure-bearing navigation plug connection setting in the cavity.
The body other end be provided with the pressure release end cap, pressure release end cap connect second gland and body, be fixed with the pressure release needle in the middle of the pressure release end cap, the pressure release needle is close to cavity one end and is connected the pressure release post, the pressure release post is connected the pressure release spring, pressure release spring connection adjusting screw, adjusting screw passes through the through-hole and is connected to the cavity.
The body on fixedly be provided with pressure sensor and temperature probe, pressure sensor and temperature probe are connected to the cavity respectively, the body on be provided with the observation window.
The observation windows are symmetrically arranged on two sides of the body, the glass gland is fixed on the body by using set screws, quartz glass is arranged between the glass gland and the body, a pressing cap is arranged on the outer side of the glass gland, and the pressing cap is in threaded connection with the glass gland and tightly presses the quartz glass.
The ignition plug on be close to cavity one side and body butt joint position be provided with the sealing ring, pressure release plug on be close to cavity one side and body butt joint position be provided with the sealing ring.
The first gland is fixed on the body by using a first screw, and the second gland is fixed on the body by using a second screw.
The ignition plug is provided with a surface ring groove at the position close to the cavity side and adjacent to the body, and a sealing ring is arranged in the surface ring groove; the pressure relief plug is provided with a surface ring groove close to the cavity side, and a sealing ring is arranged in the surface ring groove.
The pressure relief valve needle is fixed on the pressure relief plug by using a threaded sleeve.
And a sealing ring is arranged between the glass gland and one side of the quartz glass, which is close to the cavity, and comprises a third sealing ring and a fourth sealing ring which are in interference connection.
And a C-shaped ring is arranged between the quartz glass and the cavity.
According to the invention, the combustion characteristics of the test gas at different temperatures, different concentrations and different pressures can be researched through the sensor and the temperature sensor arranged on the cavity, and the change of flame can be observed through the observation window in the gas combustion process.
Drawings
FIG. 1 is a front cross-sectional view of a translucent low-pressure gas combustion chamber structure of the present invention.
FIG. 2 is a cross-sectional view of the translucent low pressure gas combustion chamber of the present invention at the viewing window.
FIG. 3 is an isometric view of a translucent low pressure gas combustion chamber structure of the present invention.
Wherein: 1. the ignition wire, 2, a one-way air valve, 3, a first screw, 4, a gland, 5, a first sealing ring, 6, a second sealing ring, 7, an ignition plug, 8, a first sealing ring, 9, a pressure sensor, 10, a body, 11, a pressure relief plug, 12, a pressure relief valve needle, 13, a screw sleeve, 14, a pressure relief column, 15, a pressure relief spring, 16, an adjusting screw, 17, a second sealing ring, 18, an igniter, 19, a temperature probe, 20, a pressure cap, 21, a set screw, 22, a glass gland, 23, quartz glass, 24, a third sealing ring, 25, a fourth sealing ring, 26, a C-shaped ring, 28, a pressure bearing insert, 51, a third sealing ring, 61, a fourth sealing ring, 81, a third sealing ring, 171 and a fourth sealing ring.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
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.
1-3, a semitransparent low-pressure gas combustion chamber structure is composed of an ignition wire 1, a one-way air valve 2, a first screw 3, a gland 4, a first sealing ring 5, a second sealing ring 6, an ignition plug 7, a first sealing ring 8, a pressure sensor 9, a body 10, a pressure relief plug 11, a pressure relief valve needle 12, a screw sleeve 13, a pressure relief column 14, a pressure relief spring 15, an adjusting screw 16, a second sealing ring 17, an igniter 18, a temperature probe 19, a pressure cap 20, a set screw 21, a glass gland 22, quartz glass 23, a third sealing ring 24, a fourth sealing ring 25, a C-shaped ring 26, a third sealing ring 51, a fourth sealing ring 61, a third sealing ring 81 and a fourth sealing ring 171. The body 10 is internally provided with a cavity, the cavity is a combustion chamber, one end of the body 10 is provided with a first gland 4, the first gland 4 is fixed on the body 10 by using a first screw 3, one end provided with the first gland 4 is provided with an ignition plug 7, the ignition plug 7 is divided into a big head end and a small head end, the big head end faces the outside of the body, the small head end faces the cavity, namely the combustion chamber is inside, the ignition plug 7 is connected with the first gland 4 and the body 10, a first sealing ring 5 and a second sealing ring 6 are arranged between the first gland 4 and the ignition plug 7, the first sealing ring 5 and the second sealing ring 6 are in interference connection, the ignition plug 7 is provided with two surface ring grooves close to the side of the cavity and adjacent to the body 10, the number of the surface ring grooves is two, sealing rings are arranged in the surface ring grooves, the sealing rings are a first sealing ring 8 and a second sealing ring 17, the first sealing ring 8 is close to the outer side of the second sealing ring 17, the ignition plug 7 is provided with a through hole connected to the cavity, one side of the through hole far away from the cavity is provided with a one-way air valve 2, the number of the one-way air valves 2 and the number of the through holes are respectively two, and combustible gas and combustion improver can be injected into the cavity, namely the combustion chamber through the one-way air valves and the through holes; the middle position of the ignition plug 7 is provided with a central hole, an ignition wire 1 is arranged in the central hole, the ignition wire 1 penetrates through the central hole of the ignition plug 7 to be connected with a pressure-bearing aviation plug 28 fixed on the ignition plug 7 in a cavity, the pressure-bearing aviation plug 28 is connected with an igniter 18 arranged in the cavity, and the pressure-bearing aviation plug 28 is used for sealing due to high internal pressure, and the igniter 18 is electrified; the igniters 18 are fixed on the ignition plugs 7, the number of the igniters 18 is at least one, and when the number of the igniters 18 is more than two, the igniters 18 are connected in series and then fixed on the ignition plugs 7; the pressure relief plug 11 is divided into a big head end and a small head end, the big head end faces the outer side of the body, the small head end faces the cavity, namely the inner side of the combustion chamber, the pressure relief plug 11 is connected with the second gland 41 and the body 10, a third sealing ring 51 and a fourth sealing ring 61 are arranged between the second gland 41 and the pressure relief plug 11, the third sealing ring 51 and the fourth sealing ring 61 are in interference connection, a surface ring groove is formed in the pressure relief plug 11, which is close to the side of the cavity, adjacent to the body 10, the number of the surface ring grooves is two, sealing rings are arranged in the surface ring groove, the sealing rings are a third sealing ring 81 and a fourth sealing ring 171, the third sealing ring 81 is close to the outer side of the fourth sealing ring 171, a pressure relief valve needle 12 is fixed in the middle of the pressure relief plug 11, the pressure relief valve needle 12 is fixed on the pressure relief plug 11 by using a screw sleeve 13, the pressure relief valve needle 12 is connected with a pressure relief column 14 close to one end of the cavity, the pressure relief column 14 is connected with a pressure relief spring 15, the pressure relief spring 15 is connected with a pressure sensor 16 through a through hole, the pressure relief screw 16 is connected with the cavity, the body 10 is provided with a pressure sensor 9 and a temperature probe 19, and the temperature probe 19 are respectively connected with the cavity.
The body 10 is provided with observation windows which are symmetrically arranged on two sides of the body 10, the glass gland 22 is fixed on the body 10 by using a set screw 21, quartz glass 23 is arranged between the glass gland 22 and the body 10, a press cap 20 is arranged on the outer side of the glass gland 22, the press cap 20 is in threaded connection with the glass gland 22 and tightly presses the quartz glass 23, and the condition of flame combustion in the combustion chamber can be observed through the quartz glass 23; a third sealing ring 24 and a fourth sealing ring 25 are arranged between the glass gland 22 and the quartz glass 23, the third sealing ring 24 and the fourth sealing ring 25 are in interference connection, and a C-shaped ring 26 is arranged between the quartz glass 23 and the cavity.
The principle and the working process of the invention are as follows: the ignition plug 7 is divided into a big end and a small end, the big end faces the outer side of the body, the small end faces the cavity, namely the inner side of the combustion chamber, the pressure relief plug 11 is divided into a big end and a small end, the big end faces the outer side of the body, the small end faces the cavity, namely the inner side of the combustion chamber, the first sealing ring 8 and the second sealing ring 17 are sleeved in a big end face ring groove of the ignition plug 7, the unidirectional air valve 2 is fixedly arranged at the small end of the ignition plug 7, the ignition plug 7 is arranged at one end of the body 10 after being connected, then the ignition plug 7 is sequentially arranged in the second sealing ring 6, the first sealing ring 5 and the first gland 4, then the first gland 4 is tightly pressed by the first screw 3, the ignition plug is fixedly connected with the body 10, and the pressure sensor 9 and the temperature probe 19 are connected on the body 10 through threads.
The pressure relief plug 11 is divided into a big end and a small end, the big end faces the outer side of the body, the small end faces the cavity, namely the inner side of the combustion chamber, the pressure relief valve needle 12 passes through the screw sleeve 13 and then is arranged at the small end of the pressure relief plug 11 through the screw sleeve 13, the pressure relief column 14, the pressure relief spring 15 and the adjusting screw 16 are sequentially arranged in the big end of the pressure relief plug 11, the pressure relief spring 15 is compressed by the adjusting screw 16 and the pressure relief column 14 is extruded to be tightly attached to the pressure relief plug 11, the third sealing ring 81 and the fourth sealing ring 171 are sleeved in a big end face annular groove of the pressure relief plug 11, the pressure relief plug 11 is then arranged at the other end of the body 10, the fourth sealing ring 61, the third sealing ring 51 and the second gland 41 are sequentially arranged, the second gland 41 is sequentially compressed by the second big screw 31, and the pressure relief plug 41 is connected and fastened with the body 10.
The observation windows are symmetrically arranged on two sides of the body 10 and are perpendicular to the pressure sensor 9 and the temperature probe 19, two sides of the body 10 are respectively provided with a C-shaped ring 26, quartz glass 23, a fourth sealing ring 25 and a third sealing ring 24 in sequence, the glass gland 22 is arranged on the body 10 by using the set screw 21, the third sealing ring 24 is pressed by the glass gland 22, then the press cap 20 is arranged in the glass gland 22, and the quartz glass 23 is pressed.
When the device is used, firstly, combustible gas and combustion improver are injected through the one-way air valve 2, after the gas injection is stopped, the one-way air valve 2 is automatically closed, gas in the combustion chamber is ignited by the ignition wire 1 and the igniter 18, the internal pressure and temperature change of the combustion chamber are monitored by the pressure sensor 9 and the temperature probe 19, relevant data are stored, after the combustion is finished, the pressure release valve needle 12 is used for supporting the pressure release column 14, the sealing between the pressure release column 14 and the pressure release plug 11 is relieved, the pressure of the combustion chamber is released, and the combustion condition of the combustion chamber can be observed through the observation window.
The technical features of the above embodiments may be arbitrarily combined, and for brevity, all of the possible combinations of the technical features of the above embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, all of them should be considered as the scope of the description, and when there is a contradiction or failure in the combination of the technical solutions, all of them should be considered as not being present, and are not within the scope of protection claimed by the present invention. Moreover, it will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the spirit of the principles of the present invention.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several changes and modifications can be made without departing from the general inventive concept, and these should also be regarded as the scope of the invention.
Claims (7)
1. The utility model provides a semitransparent low pressure gas combustion chamber structure, includes combustion chamber body (10), and body (10) inside sets up the cavity, and body (10) both ends set up the gland respectively, and the gland is fixed on body (10), its characterized in that: an ignition plug (7) is arranged at one end of the body (10), the ignition plug (7) is connected with the first gland (4) and the body (10), a through hole connected to the cavity is formed in the ignition plug (7), a one-way air valve (2) is arranged on one side, far away from the cavity, of the through hole, a central hole is formed in the middle of the ignition plug (7), an ignition wire (1) is arranged in the central hole, the ignition wire (1) is connected with a pressure-bearing aviation plug (28) fixed on the ignition plug (7) in the cavity, and the pressure-bearing aviation plug (28) is connected with an igniter (18) arranged in the cavity;
the novel pressure relief valve is characterized in that a pressure relief plug (11) is arranged at the other end of the body (10), the pressure relief plug (11) is connected with a second gland (41) and the body (10), a pressure relief valve needle (12) is fixed in the middle of the pressure relief plug (11), one end, close to a cavity, of the pressure relief valve needle (12) is connected with a pressure relief column (14), the pressure relief column (14) is connected with a pressure relief spring (15), the pressure relief spring (15) is connected with an adjusting screw (16), and the adjusting screw (16) is connected to the cavity through a through hole;
the body (10) is fixedly provided with a pressure sensor (9) and a temperature probe (19), the pressure sensor (9) and the temperature probe (19) are respectively connected to the cavity, and the body (10) is provided with an observation window;
the observation windows are symmetrically arranged on two sides of the body (10), the glass gland (22) is fixed on the body (10) by using the set screw (21), quartz glass (23) is arranged between the glass gland (22) and the body (10), the outer side of the glass gland (22) is provided with the press cap (20), and the press cap (20) is in threaded connection with the glass gland (22) and compresses the quartz glass (23).
2. A translucent low pressure gas combustion chamber construction as set forth in claim 1, wherein: the ignition plug (7) is provided with a sealing ring at the butt joint part between one side close to the cavity and the body (10), and the pressure relief plug (11) is provided with a sealing ring at the butt joint part between one side close to the cavity and the body (10).
3. A translucent low pressure gas combustion chamber construction as set forth in claim 1, wherein: the first gland (4) is fixed on the body (10) by using a first screw (3), and the second gland (41) is fixed on the body (10) by using a second screw (31).
4. A translucent low pressure gas combustion chamber construction as set forth in claim 1, wherein: a surface ring groove is formed in the ignition plug (7) adjacent to the body (10) at the side close to the cavity, and a sealing ring is arranged in the surface ring groove; the pressure relief plug (11) is provided with a surface ring groove close to the cavity side, and a sealing ring is arranged in the surface ring groove.
5. A translucent low pressure gas combustion chamber construction as set forth in claim 1, wherein: the pressure relief valve needle (12) is fixed on the pressure relief plug (11) by using a screw sleeve (13).
6. A translucent low pressure gas combustion chamber construction as set forth in claim 1, wherein: a sealing ring is arranged between one side, close to the cavity, of the glass gland (22) and one side, close to the cavity, of the quartz glass (23), and comprises a third sealing ring (24) and a fourth sealing ring (25), and the third sealing ring (24) and the fourth sealing ring (25) are in interference connection.
7. A translucent low pressure gas combustion chamber construction as set forth in claim 1, wherein: a C-shaped ring (26) is arranged between the quartz glass (23) and the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210390014.3A CN114894955B (en) | 2022-04-14 | 2022-04-14 | Semitransparent low-pressure gas combustion chamber structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210390014.3A CN114894955B (en) | 2022-04-14 | 2022-04-14 | Semitransparent low-pressure gas combustion chamber structure |
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| CN114894955A CN114894955A (en) | 2022-08-12 |
| CN114894955B true CN114894955B (en) | 2023-09-01 |
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| CN202210390014.3A Active CN114894955B (en) | 2022-04-14 | 2022-04-14 | Semitransparent low-pressure gas combustion chamber structure |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006058285A1 (en) * | 2006-12-08 | 2008-06-19 | Technische Universität München | Pressure chamber, especially a motor combustion chamber, has a transparent ring-shaped mantle section tensed by fluid pressure for visual monitoring of combustion and chemical reactions |
| CN104374866A (en) * | 2014-11-20 | 2015-02-25 | 武汉理工大学 | Ignition electrode gap adjustable constant-volume combustion device |
| CN204389173U (en) * | 2015-01-04 | 2015-06-10 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of borescope stopper structure with flame view window |
| CN105952552A (en) * | 2016-04-29 | 2016-09-21 | 北京航空航天大学 | Rectangular transparent combustion chamber for optical diagnosis of small rocket engine |
| CN109164204A (en) * | 2018-09-25 | 2019-01-08 | 合肥工业大学 | A kind of multi-functional CONSTANT VOLUME MODEL COMBUSTION CHAMBER of multi-point spark |
| CN109596770A (en) * | 2018-11-27 | 2019-04-09 | 西安近代化学研究所 | A kind of propellant powder explosion fragment pressure release extinction device |
-
2022
- 2022-04-14 CN CN202210390014.3A patent/CN114894955B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006058285A1 (en) * | 2006-12-08 | 2008-06-19 | Technische Universität München | Pressure chamber, especially a motor combustion chamber, has a transparent ring-shaped mantle section tensed by fluid pressure for visual monitoring of combustion and chemical reactions |
| CN104374866A (en) * | 2014-11-20 | 2015-02-25 | 武汉理工大学 | Ignition electrode gap adjustable constant-volume combustion device |
| CN204389173U (en) * | 2015-01-04 | 2015-06-10 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of borescope stopper structure with flame view window |
| CN105952552A (en) * | 2016-04-29 | 2016-09-21 | 北京航空航天大学 | Rectangular transparent combustion chamber for optical diagnosis of small rocket engine |
| CN109164204A (en) * | 2018-09-25 | 2019-01-08 | 合肥工业大学 | A kind of multi-functional CONSTANT VOLUME MODEL COMBUSTION CHAMBER of multi-point spark |
| CN109596770A (en) * | 2018-11-27 | 2019-04-09 | 西安近代化学研究所 | A kind of propellant powder explosion fragment pressure release extinction device |
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| CN114894955A (en) | 2022-08-12 |
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