CN109682065A - A kind of combined type quick high-pressure gas-heating apparatus - Google Patents
A kind of combined type quick high-pressure gas-heating apparatus Download PDFInfo
- Publication number
- CN109682065A CN109682065A CN201811538838.0A CN201811538838A CN109682065A CN 109682065 A CN109682065 A CN 109682065A CN 201811538838 A CN201811538838 A CN 201811538838A CN 109682065 A CN109682065 A CN 109682065A
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- Prior art keywords
- heating
- ceramic
- connecting piece
- transition
- wire
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1863—Arrangement or mounting of electric heating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
- F24H9/2071—Arrangement or mounting of control or safety devices for air heaters using electrical energy supply
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/05—Testing internal-combustion engines by combined monitoring of two or more different engine parameters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Resistance Heating (AREA)
Abstract
A kind of combined type quick high-pressure gas-heating apparatus, belongs to the technical field of internal combustion engine spraying combustion visualization experimental provision.The device includes that center is equipped with the outlet-side cover that the inlet-side cover of air inlet, heater circle set and center are equipped with venthole, inlet-side cover and outlet-side cover are fixedly connected on the both ends of heater circle set, are successively equipped with First Transition ceramic connecting piece, ceramic honey comb electric-heating-wire-heating component, the second transition ceramic connecting piece, globar high temperature alloy combined heated component and third transition ceramic connecting piece in the heater circle set.The device can realize the quick heating of high pressure gas, and outlet gas pressure is up to 15MPa, and temperature is up to 1400K, and exit velocity is up to 80m/s, and the heating time of gas in the heater is less than 1s.
Description
Technical field
The present invention relates to a kind of combined type quick high-pressure gas-heating apparatus, more particularly, to leading in constant volume combustion bomb
The device that is heated of high pressure gas, belong to the technical field of internal combustion engine spraying combustion visualization experimental provision.
Background technique
Constant volume combustion bomb be widely used for both at home and abroad at present internal combustion engine spraying and combustion testing one kind it is closed
Pressure vessel, main function are to establish pressure and temperature environment, to simulate the pressure and temperature state of true internal combustion engine.
Fuel injector is typically mounted at the top of constant volume combustion bomb, passes through the view of constant volume combustion bomb side using optical test method
Window is shot, and is studied the spraying and combustion process in constant volume combustion bomb.So constant volume combustion bomb should be avoided as far as possible
Interior other interference light, such as the hyperthermia radiation light of constant volume combustion bomb interior heater etc..
It is needed since the temperature of the internal combustion engine of simulation is generally greater than ambient temperature, especially diesel spray combustion process
The environment temperature wanted is more than 800K, so needing to heat the high pressure gas in constant volume combustion bomb.Currently, more common
The shortcomings that method is that electric heating wire is arranged in constant volume combustion bomb, this method is that the luminous of heater strip can bring optic test
It influences；In addition there is also required heating time is long, temperature range is small, heater strip is easy the disadvantages of disconnected.Also have first to constant volume burning
It is passed through fuel gas in bullet, carries out the mode of increasing temperature and pressure in constant volume combustion bomb after ignition；But this mode needs strictly
Ground configures fuel gas, and safety is poor, and product is easy to generate interference to subsequent optic test after burning.
Summary of the invention
Problem that the purpose of the present invention is to overcome the above shortcomings provides a kind of to the gas led in constant volume combustion bomb progress
The combined type quick high-pressure gas-heating apparatus that quickly heats, it can be achieved that high pressure gas quick heating, outlet gas pressure can
Up to 15MPa, temperature is up to 1400K, and exit velocity is up to 80m/s, and the heating time of gas in the heater is less than 1s.
The technical solution adopted by the present invention is that: a kind of combined type quick high-pressure gas-heating apparatus, it includes that center is equipped with
Inlet-side cover, heater circle set and the center of air inlet are equipped with the outlet-side cover of venthole, and inlet-side cover and outlet-side cover are fixed
The both ends of heater circle set are connected to, are successively equipped with First Transition ceramic connecting piece, ceramic honey comb in the heater circle set
Electric-heating-wire-heating component, the second transition ceramic connecting piece, globar high temperature alloy combined heated component and third transition ceramics connect
Fitting；First Transition ceramic connecting piece, the second transition ceramic connecting piece and third transition ceramic connecting piece it is equal centered on be provided with it is logical
The disc-shaped structure part of stomata；4 temperature sensors are covered upper hole and connect respectively by heater circle to be added in ceramic honey comb heating wire
The front-end and back-end of hot component and globar high temperature alloy combined heated component；Electrode covers upper hole and bee with heater circle is passed through
Nest ceramic electrical heated filament heating component is connected with globar high temperature alloy combined heated component.
The ceramic honey comb electric-heating-wire-heating component includes the first cylinder shape ceramic structures and embedded at the first cylinder shape
Ceramic honey comb electric-heating-wire-heating core in ceramic structures is installed with spiral in the ceramic honey comb hole of ceramic honey comb electric-heating-wire-heating core
Shape heating wire, helical form heating wire are back and forth interted inside ceramic honey comb with S type, and helical form heating wire is connected by electrode and power supply
It connects.
The globar high temperature alloy combined heated component includes the second cylinder shape ceramic structures and justifies embedded at second
Globar high temperature alloy combined heated core in tubular ceramic structures, the Elema high temperature alloy combined heated core are runoff
The Elema of formula, Elema high temperature alloy combined heated in-core is interspersed on nickel-base alloy disk, several pieces nickel-base alloy disks are
One group, the head and the tail of every group of nickel-base alloy disk are using the second nickel-base alloy disk and installation direction on the contrary, the disk of middle section
Using the first nickel-base alloy disk, to control gas flow direction, Elema and nickel-base alloy disk contact site using ceramics
Snap ring support, Elema are connect by route with electrode by Elema clip.
The center of the First Transition ceramic connecting piece, the second transition ceramic connecting piece and third transition ceramic connecting piece
Venthole is taper.
The beneficial effects of the present invention are: this combined type quick high-pressure gas-heating apparatus includes that center is equipped with air inlet
Inlet-side cover, heater circle set and center are equipped with the outlet-side cover of venthole, and inlet-side cover and outlet-side cover are fixedly connected on and add
The both ends of hot device circle set, the heater circle set is interior successively to be added equipped with First Transition ceramic connecting piece, ceramic honey comb heating wire
Hot component, the second transition ceramic connecting piece, globar high temperature alloy combined heated component and third transition ceramic connecting piece；First
Transition ceramic connecting piece, the second transition ceramic connecting piece and third transition ceramic connecting piece it is equal centered on be provided with the disk of venthole
Shape structural member；4 temperature sensors cover upper hole by heater circle and are connect respectively in ceramic honey comb electric-heating-wire-heating component and carbon
The front-end and back-end of silicon rod high temperature alloy combined heated component；Electrode covers upper hole and ceramic honey comb electric heating with heater circle is passed through
Silk heating component is connected with globar high temperature alloy combined heated component.The device can realize the quick heating of high pressure gas,
Outlet gas pressure is up to 15MPa, and temperature is up to 1400K, and exit velocity is up to 80m/s, and the heating of gas in the heater
Time is less than 1s.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples
Fig. 1 is a kind of structural schematic diagram of combined type quick high-pressure gas-heating apparatus.
Fig. 2 is A-A cross-sectional view in Fig. 1.
Fig. 3 is B-B cross-sectional view in Fig. 1.
Fig. 4 is the structural schematic diagram of the first nickel-base alloy disk.
Fig. 5 is the structural schematic diagram of the second nickel-base alloy disk.
In figure: 1, inlet-side cover, 2a, First Transition ceramic connecting piece, 2b, the second transition ceramic connecting piece, 2c, third mistake
Cross ceramic connecting piece, 3, ceramic honey comb electric-heating-wire-heating core, 4, heater circle set, 5, temperature sensor, 6a, the first cylinder shape pottery
Porcelain structural member, 6b, the second cylinder shape ceramic structures, 7, globar high temperature alloy combined heated core, 8, outlet-side cover, 9, Ni-based
Alloy disk, 9a, the first nickel-base alloy disk, 9b, the second nickel-base alloy disk, 10, Elema, 11, electrode, 12, ceramic card
Ring, 13, Elema clip.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail.
Fig. 1,2,3 show a kind of structural schematic diagram of combined type quick high-pressure gas-heating apparatus.This combined type is fast
Fast high pressure gas heating device includes that center is equipped with the inlet-side cover 1 of air inlet, heater circle set 4 and center equipped with venthole
Outlet-side cover 8, inlet-side cover 1 and outlet-side cover 8 are fixedly connected on the both ends of heater circle set 4, it is characterised in that: the heating
Successively connect equipped with First Transition ceramic connecting piece 2a, ceramic honey comb electric-heating-wire-heating component, the second transition ceramics in device circle set 4
Fitting 2b, globar high temperature alloy combined heated component and third transition ceramic connecting piece 2c；First Transition ceramic connecting piece 2a,
The disc-shaped structure part of venthole is provided with centered on second transition ceramic connecting piece 2b and third transition ceramic connecting piece 2c are equal；4
A temperature sensor 5 is connect respectively by the hole on heater circle set 4 in ceramic honey comb electric-heating-wire-heating component and globar high temperature
The front-end and back-end of alloy combination heating component；Electrode 11 passes through hole and ceramic honey comb electric-heating-wire-heating on heater circle set 4
Component is connected with globar high temperature alloy combined heated component.
The ceramic honey comb electric-heating-wire-heating component includes the first cylinder shape ceramic structures 6a and embedded at the first cylinder
Ceramic honey comb electric-heating-wire-heating core 3 in shape ceramic structures 6a is worn in the ceramic honey comb hole of ceramic honey comb electric-heating-wire-heating core 3
There is helical form heating wire, helical form heating wire is back and forth interted inside ceramic honey comb with S type, and helical form heating wire passes through electrode 11
It connects to power supply；The globar high temperature alloy combined heated component includes the second cylinder shape ceramic structures 6b and embedded at the
Globar high temperature alloy combined heated core 7 in two cylinder-shaped ceramic structural member 6b, the Elema high temperature alloy combined heated
Core 7 is radial-flow type, and the Elema 10 in Elema high temperature alloy combined heated core 7 is interspersed on nickel-base alloy disk 9, several pieces nickel
Based alloy disk 9 is one group, and the head and the tail of every group of nickel-base alloy disk 9 use the second nickel-base alloy disk 9b and installation direction phase
Instead, the disk of middle section uses the first nickel-base alloy disk 9a, to control gas flow direction, Elema 10 and nickel-base alloy
9 contact site of disk is supported using ceramic snap ring 12, and Elema 10 is connect by route with electrode 11 by Elema clip 13.
Fig. 4,5 be the first nickel-base alloy disk 9a and the second nickel-base alloy disk 9b structural schematic diagram.
The First Transition ceramic connecting piece 2a, the second transition ceramic connecting piece 2b and third transition ceramic connecting piece 2c's
The venthole at center is taper.
Using above-mentioned technical solution, it can will lead to the gas in constant volume combustion bomb, such as air, nitrogen carry out outside
Quickly heating, in the first cylinder shape ceramic structures 6a, ceramic honey comb heating wire adds ceramic honey comb electric-heating-wire-heating core 3
First Transition ceramic connecting piece 2a is lined between hot 3 front end of core and inlet-side cover 1, before Elema high temperature alloy combined heated core 7
The second transition ceramic connecting piece 2b, Elema high temperature alloy combined heated are lined between end and ceramic honey comb electric-heating-wire-heating core 3
Core 7 is coated by the second cylinder shape ceramic structures 6b, 7 rear end of Elema high temperature alloy combined heated core and outlet heater side cover
Third transition ceramic connecting piece 2c is lined between 8.Wherein, the venthole of the taper at transition ceramic connecting piece center plays gas and leads
Stream effect.
After installing by the above process, then by it in heater circle set 4, heater circle 4 both ends of set and inlet-side cover 1
It is fastenedly connected with outlet-side cover 8.
When specific works, firstly, connection electrode, high pressure gas initially enters bee by the hole on inlet-side cover 1 by pipeline
Nest ceramic electrical heated filament heating core 3 carries out level-one heating, and ceramic honey comb electric-heating-wire-heating core 3 is axial-flow type, in ceramic honey comb hole
It is installed with helical form heating wire, helical form heating wire is back and forth interted inside ceramic honey comb with S type.Then, heated gas by
Second transition ceramic connecting piece 2b of taper continues to vent to Elema high temperature alloy combined heated core 7 and carries out second level heating, silicon-carbon
It is radial-flow type, gas is between array nickel-base alloy disk 9 using the form of segmentally heating in stick high temperature alloy combined heated core 7
It up and down reciprocatingly flows, eventually flows to heater outlet, the gas after heating is passed through into the hole access tube on outlet heater side cover 8
Road, hence into constant volume combustion bomb.
Ceramic structures in the present invention are all made of polycrystalline not to make, and can work, play under 1600 DEG C of hot environments
Good heat insulating function is remarkably improved equipment thermal efficiency, energy saving；Elema 10 is supported by nickel-base alloy disk 9, so that
Structure is more stable, meanwhile, nickel-base alloy disk 9 plays the role of increasing heat-transfer surface；Inlet-side cover 1, outlet-side cover 8 and heating
Device circle set 4 is made of high strength steel, improves the mechanical property and service life of component；Four temperature sensors 5 pass through
Hole on heater circle set 4 is connect respectively in ceramic honey comb electric-heating-wire-heating component and globar high temperature alloy combined heated component
Front-end and back-end can be monitored the temperature at each position.It can be according to experiment needs, to Elema high temperature alloy group in the present invention
The 9 groups of numbers of 10 quantity of Elema and nickel-base alloy disk closed in heating core 7 are adjusted.
Claims (3)
1. a kind of combined type quick high-pressure gas-heating apparatus, it includes inlet-side cover (1), the heater that center is equipped with air inlet
Circle set (4) and center are equipped with the outlet-side cover (8) of venthole, and inlet-side cover (1) and outlet-side cover (8) are fixedly connected on heater
The both ends of circle set (4), it is characterised in that: in heater circle set (4) successively equipped with First Transition ceramic connecting piece (2a),
Ceramic honey comb electric-heating-wire-heating component, the second transition ceramic connecting piece (2b), globar high temperature alloy combined heated component and
Three transition ceramic connecting pieces (2c)；First Transition ceramic connecting piece (2a), the second transition ceramic connecting piece (2b) and third transition
The disc-shaped structure part of venthole is provided with centered on ceramic connecting piece (2c) is equal；4 temperature sensors (5) are covered by heater circle
(4) hole on is connect respectively in the front end of ceramic honey comb electric-heating-wire-heating component and globar high temperature alloy combined heated component with after
End；Electrode (11) passes through hole and ceramic honey comb electric-heating-wire-heating component and globar high temperature alloy group on heater circle set (4)
Heating component is closed to be connected.
2. a kind of combined type quick high-pressure gas-heating apparatus according to claim 1, it is characterised in that: the honeycomb pottery
Porcelain electric-heating-wire-heating component includes the first cylinder shape ceramic structures (6a) and embedded at the first cylinder shape ceramic structures (6a)
Interior ceramic honey comb electric-heating-wire-heating core (3) is installed with helical form electricity in the ceramic honey comb hole of ceramic honey comb electric-heating-wire-heating core (3)
Heated filament, helical form heating wire are back and forth interted inside ceramic honey comb with S type, and helical form heating wire is connected by electrode (11) and power supply
It connects；The globar high temperature alloy combined heated component includes the second cylinder shape ceramic structures (6b) and embedded at the second cylinder
Globar high temperature alloy combined heated core (7) in shape ceramic structures (6b), the Elema high temperature alloy combined heated core
It (7) is radial-flow type, the Elema (10) in Elema high temperature alloy combined heated core (7) is interspersed on nickel-base alloy disk (9),
Several pieces nickel-base alloy disks (9) are one group, the head and the tail of every group of nickel-base alloy disk (9) using the second nickel-base alloy disk (9b) and
Installation direction is on the contrary, the disk of middle section uses the first nickel-base alloy disk (9a), to control gas flow direction, Elema
(10) it is supported with nickel-base alloy disk (9) contact site using ceramic snap ring (12), Elema (10) is by Elema clip (13)
It is connect by route with electrode (11).
3. a kind of combined type quick high-pressure gas-heating apparatus according to claim 2, it is characterised in that: first mistake
Cross the venthole at the center of ceramic connecting piece (2a), the second transition ceramic connecting piece (2b) and third transition ceramic connecting piece (2c)
For taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811538838.0A CN109682065B (en) | 2018-12-17 | 2018-12-17 | Combined type rapid high-pressure gas heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811538838.0A CN109682065B (en) | 2018-12-17 | 2018-12-17 | Combined type rapid high-pressure gas heating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109682065A true CN109682065A (en) | 2019-04-26 |
| CN109682065B CN109682065B (en) | 2020-08-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811538838.0A Expired - Fee Related CN109682065B (en) | 2018-12-17 | 2018-12-17 | Combined type rapid high-pressure gas heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109682065B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115155674A (en) * | 2022-06-24 | 2022-10-11 | 广东启亚检测设备股份有限公司 | Ozone reducer and ozone test chamber |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130008423A1 (en) * | 2006-12-12 | 2013-01-10 | Enerco Group, Inc. | Forced air heater including on-board source of electric energy |
| CN104748371A (en) * | 2015-03-23 | 2015-07-01 | 西北工业大学 | Resistive heater used for engine combustion chamber experiment system |
| CN106908247A (en) * | 2017-03-20 | 2017-06-30 | 武汉理工大学 | Constant volume combustion bomb heater and temperature control method |
| CN206515272U (en) * | 2016-11-09 | 2017-09-22 | 吉林大学 | Thermograde controlled burning bullet |
| US20170280508A1 (en) * | 2016-03-25 | 2017-09-28 | Arcadyan Technology Corporation | Temperature controller, electronic device having the same and control method thereof |
| CN208222829U (en) * | 2018-05-04 | 2018-12-11 | 辽宁华燃燃气设备有限公司 | A kind of highly effective directly-heated LNG reheating system |
-
2018
- 2018-12-17 CN CN201811538838.0A patent/CN109682065B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130008423A1 (en) * | 2006-12-12 | 2013-01-10 | Enerco Group, Inc. | Forced air heater including on-board source of electric energy |
| CN104748371A (en) * | 2015-03-23 | 2015-07-01 | 西北工业大学 | Resistive heater used for engine combustion chamber experiment system |
| US20170280508A1 (en) * | 2016-03-25 | 2017-09-28 | Arcadyan Technology Corporation | Temperature controller, electronic device having the same and control method thereof |
| CN206515272U (en) * | 2016-11-09 | 2017-09-22 | 吉林大学 | Thermograde controlled burning bullet |
| CN106908247A (en) * | 2017-03-20 | 2017-06-30 | 武汉理工大学 | Constant volume combustion bomb heater and temperature control method |
| CN208222829U (en) * | 2018-05-04 | 2018-12-11 | 辽宁华燃燃气设备有限公司 | A kind of highly effective directly-heated LNG reheating system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115155674A (en) * | 2022-06-24 | 2022-10-11 | 广东启亚检测设备股份有限公司 | Ozone reducer and ozone test chamber |
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| CN109682065B (en) | 2020-08-14 |
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