CN214374047U - System for testing high-temperature deposition and ignition performance of medium - Google Patents
System for testing high-temperature deposition and ignition performance of medium Download PDFInfo
- Publication number
- CN214374047U CN214374047U CN202022651454.9U CN202022651454U CN214374047U CN 214374047 U CN214374047 U CN 214374047U CN 202022651454 U CN202022651454 U CN 202022651454U CN 214374047 U CN214374047 U CN 214374047U
- Authority
- CN
- China
- Prior art keywords
- medium
- inlet
- deposition tube
- deposition
- temperature
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model relates to an engine field discloses a test system of medium high temperature deposit and ignition performance, include: the device comprises a medium conveying pipeline, an air inlet pipeline and a reaction device; the reaction device comprises a reaction cavity, a deposition tube and a deposition tube temperature control assembly, wherein the reaction cavity is provided with a first inlet and a second inlet, the reaction cavity is communicated with the medium conveying pipeline through the first inlet, and the reaction cavity is communicated with the air inlet pipeline through the second inlet; the deposition tube is detachably arranged in the reaction cavity and is opposite to the first inlet, so that the medium entering the reaction cavity from the first inlet is sprayed on the surface of the deposition tube; the deposition tube temperature control assembly is positioned in the reaction cavity and used for adjusting the temperature of the deposition tube. The test system is suitable for all media used on the whole engine vehicle, different temperatures can be set according to different test purposes, the spraying mode can be replaced, the material of the deposition tube can be replaced, and the ignitability and the high-temperature deposition performance of the media in different use environments can be truly simulated.
Description
Technical Field
The utility model relates to the technical field of engines, in particular to test system of medium high temperature deposit and ignition performance.
Background
With the increase of the thermal load of an engine and the application of an EGR (Exhaust Gas Recirculation) system, the problems of carbon deposition and high-temperature coking of the engine are more and more prominent, but no effective means is available for evaluating the high-temperature deposition and coking performance of lubricating oil in different failure modes at present; in addition, the engine is subjected to an ignition failure caused by medium leakage, but there is no reference to judging what medium causes the failure, and whether the ignition or the high-temperature ignition cause is unknown.
Therefore, designing a test device for evaluating the deposition and coking performances of lubricating oil with different failure degrees at different temperatures is an urgent problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a test system of medium high temperature deposit and ignition performance for realize that different mediums deposit coking and ignition performance test under the different temperatures of different materials.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a system for testing high temperature deposition and ignition performance of a medium comprises: the device comprises a medium conveying pipeline, an air inlet pipeline and a reaction device; the reaction device comprises a reaction cavity, a deposition tube and a deposition tube temperature control assembly, wherein the reaction cavity is provided with a first inlet and a second inlet, the reaction cavity is communicated with the medium conveying pipeline through the first inlet, and the reaction cavity is communicated with the air inlet pipeline through the second inlet; the deposition tube is detachably arranged in the reaction cavity and is opposite to the first inlet, so that the medium entering the reaction cavity from the first inlet is sprayed on the surface of the deposition tube; the deposition tube temperature control assembly is positioned in the reaction cavity and used for adjusting the temperature of the deposition tube.
Above-mentioned test system experiment medium can be according to the experiment demand through medium conveying line and first import entering reaction unit's reaction intracavity, sprays on the deposit tube, and the deposit tube can adjust to the temperature of experiment demand through deposit tube temperature control component to, the air passes through the air inlet pipe and gets into the reaction intracavity through the second import, and the medium sprays and can take place different reactions on the deposit tube, perhaps catches fire, perhaps high temperature coking deposit, perhaps is not influenced directly and flows down. The deposition tube in the test system can be replaced by different materials according to the experiment requirements, and the test of the deposition coking and ignition performance of the medium on the deposition tubes made of different materials at different temperatures is realized. When the test system is used for evaluation, the ignitability of the medium can be judged according to experimental phenomena; and when the sediment is evaluated, taking the deposition tube out of the reaction cavity, drying the deposition tube, weighing the deposition tube, and subtracting the mass before the experiment to obtain the mass of the sediment.
Therefore, the test system is suitable for all media used on the whole engine vehicle, different temperatures can be set according to different test purposes, the spraying mode can be replaced, the material of the deposition tube can be replaced, and the ignitability and the high-temperature deposition performance of the media in different use environments can be truly simulated.
Optionally, the deposition tube temperature control assembly comprises a heating wire and a first temperature sensor, the heating wire is installed inside the deposition tube; the first temperature sensor is connected with the outer surface of the deposition tube and is in signal connection with the heating wire.
Optionally, a nozzle is arranged at one side of the first inlet facing the deposition tube.
Optionally, the reaction device further comprises an exhaust pipeline communicated with the reaction chamber, and a safety valve is arranged on the exhaust pipeline.
Optionally, the reaction chamber further has a first outlet, the first outlet being located at the bottom of the reaction chamber.
Optionally, the system for testing the high-temperature deposition and ignition performance of the medium further includes:
and the medium recovery pipeline is communicated with the reaction cavity through the first outlet.
Optionally, the system for testing the high-temperature deposition and ignition performance of the medium further includes:
and the delivery pump and the flow meter are arranged on the medium delivery pipeline.
Optionally, the system for testing the high-temperature deposition and ignition performance of the medium further includes:
and the liquid storage tank is communicated with the medium conveying pipeline and the medium recovery pipeline.
Optionally, the system for testing the high-temperature deposition and ignition performance of the medium further includes:
and the medium temperature control assembly is positioned in the medium conveying pipeline and is used for adjusting the temperature of the medium in the medium conveying pipeline.
Optionally, the medium temperature control assembly comprises a heater and a second temperature sensor, and the heater is in signal connection with the second temperature sensor.
Drawings
Fig. 1 is a schematic structural diagram of a system for testing high-temperature deposition and ignition performance of a medium according to an embodiment of the present invention.
Icon: 1-a medium delivery line; 2-an air inlet pipeline; 3-a reaction device; 4-a medium recovery line; 5-a delivery pump; 6-a flow meter; 7-a liquid storage tank; 8-a media temperature control component; 31-a reaction chamber; 32-a deposition tube; 33-a deposition tube temperature control assembly; 34-a nozzle; 35-an exhaust line; 36-safety valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a system for testing high temperature deposition and ignition performance of a medium, including: a medium conveying pipeline 1, an air inlet pipeline 2 and a reaction device 3; the reaction device 3 comprises a reaction chamber 31, a deposition tube 32 and a deposition tube temperature control assembly 33, the reaction chamber 31 is provided with a first inlet and a second inlet, the reaction chamber 31 is communicated with the medium conveying pipeline 1 through the first inlet, and the reaction chamber 31 is communicated with the air inlet pipeline 2 through the second inlet; the deposition tube 32 is detachably installed in the reaction chamber 31 and is opposite to the first inlet, so that the medium entering the reaction chamber 31 from the first inlet is sprayed on the surface of the deposition tube 32; a deposition tube temperature control assembly 33 is located in the reaction chamber 31 for adjusting the temperature of the deposition tube 32.
The experimental medium of the testing system can enter the reaction cavity 31 of the reaction device 3 through the medium conveying pipeline 1 and the first inlet according to experimental requirements, and is sprayed on the deposition pipe 32, the deposition pipe 32 can be adjusted to the temperature required by the experiment through the deposition pipe temperature control assembly 33, and air enters the reaction cavity 31 through the second inlet through the air inlet pipeline 2, and the medium is sprayed on the deposition pipe 32 to cause different reactions, or catch fire, or cause high-temperature coking deposition, or is not influenced by direct flow-down. The deposition tube 32 in the test system can be replaced by different materials according to the experiment requirements, and the test of the deposition coking and ignition performance of the medium on the deposition tube 32 made of different materials at different temperatures is realized. When the test system is used for evaluation, the ignitability of the medium can be judged according to experimental phenomena; when evaluating the deposit, the deposition tube 32 is taken out from the reaction chamber 31, dried, and then the deposition tube 32 is weighed, and the mass before the experiment is subtracted, so that the mass of the deposit is the mass.
Therefore, the test system is suitable for all media used on the whole engine vehicle, different temperatures can be set according to different test purposes, the spraying mode can be changed, the material of the deposition tube 32 can be changed, and the ignitability and the high-temperature deposition performance of the media in different use environments can be truly simulated.
It should be noted that the medium referred to in this embodiment may be a fluid often used in the engine operation process, such as a combustion medium like diesel oil, gasoline, etc.; lubricating oil media such as lubricating oil, hydraulic oil, and gear oil; cooling liquid, and cooling and post-treatment media such as urea. The deposition tube 32 is placed in the reaction chamber 31 and can be heated to different temperatures, when the medium is sprayed on the surface, the medium can be coked and deposited on the surface due to the high temperature, and even the medium can be ignited.
Alternatively, the deposition tube temperature control assembly 33 includes a heating wire installed inside the deposition tube 32 and a first temperature sensor; the first temperature sensor is connected with the outer surface of the deposition tube 32 and is in signal connection with the heating wire.
It should be noted that the first temperature sensor collects the temperature information of the outer surface of the deposition tube 32 in real time, and adjusts the operating state of the heating wire according to the temperature information collected by the first temperature sensor to set and control the temperature of the deposition tube 32.
Optionally, a nozzle 34 is disposed at a side of the first inlet facing the deposition tube 32, and the form of the nozzle 34 may be different according to experimental requirements, so as to adjust the spraying mode of the reaction device 3. The injection pressure of the nozzles 34 can be set and controlled according to experimental requirements.
Optionally, the reaction apparatus 3 further comprises a vent line 35 communicated with the reaction chamber 31, and a safety valve 36 is disposed on the vent line 35. When the pressure in the reaction apparatus 3 is greater than the limit value, the pressure can be relieved by means of a safety valve 36.
Optionally, the reaction chamber 31 further has a first outlet, which is located at the bottom of the reaction chamber 31. The medium sprayed from the nozzle 34 onto the deposition tube 32 may react differently, or catch fire, or deposit coke at high temperature, or flow down without being affected, and the flowing medium exits the reaction chamber 31 through the first outlet at the bottom of the reaction chamber 31.
Optionally, the system for testing the high-temperature deposition and ignition performance of the medium further comprises:
the medium recovery pipeline 4, the medium recovery pipeline 4 is communicated with the reaction cavity 31 through a first outlet.
The reaction chamber 31 is discharged from a first outlet at the bottom of the reaction chamber 31, and the medium is recovered through the medium recovery line 4.
Optionally, the system for testing the high-temperature deposition and ignition performance of the medium further comprises:
a delivery pump 5 and a flow meter 6 provided on the medium delivery pipe 1.
It should be noted that the medium is sent to the flow meter 6 by the transfer pump 5 and then enters the reaction apparatus 3.
Optionally, the system for testing the high-temperature deposition and ignition performance of the medium further comprises:
the liquid storage tank 7, the liquid storage tank 7 and the medium conveying pipeline 1 and the medium recovery pipeline 4 are communicated.
The test medium is stored in the reservoir 7 and is transferred to the reaction apparatus 3 through the medium transfer line 1. The medium discharged from the reaction device 3 returns to the liquid storage tank 7 through the medium recovery pipeline 4 to form a circulation.
Optionally, the system for testing the high-temperature deposition and ignition performance of the medium further comprises:
and the medium temperature control component 8 is positioned in the medium conveying pipeline 1, and is used for adjusting the temperature of the medium in the medium conveying pipeline 1.
It should be noted that the medium temperature control assembly 8 can adjust and control the temperature of the experimental medium, and the deposition tube temperature control assembly 33 can set and control the temperature of the deposition tube 32, so as to set and control the overall temperature of the reaction apparatus 3, and can realize the deposition coking and ignition performance tests of different mediums at different temperatures and different materials.
Optionally, the medium temperature control assembly 8 comprises a heater and a second temperature sensor, the heater being in signal connection with the second temperature sensor. The second temperature sensor collects medium temperature information in the medium conveying pipeline 1 in real time, and the heater adjusts the working state according to the medium temperature information so that the medium in the medium conveying pipeline 1 meets the experiment requirement.
In a possible implementation mode, as shown in fig. 1, an experiment medium is stored in a liquid storage tank 7, according to experiment requirements, temperature setting is performed through a medium temperature control assembly 8, the experiment medium is sent to a flow meter 6 through a delivery pump 5, then enters a reaction device 3, and is sprayed on a deposition tube 32 through a nozzle 34, the deposition tube 32 can be heated to different temperatures through a deposition tube temperature control assembly 33, the medium is sprayed onto the deposition tube 32 to be subjected to different reactions, or to catch fire, or to be subjected to high-temperature coking deposition, or to be not influenced to directly flow down, the flowing-down medium returns to the liquid storage tank 7 through a medium recovery pipeline 4, and enters the next cycle again.
When the testing system is used for testing the ignition performance, different temperatures can be set, the deposition tubes made of different materials can be replaced, and the ignition performance test of different media at different temperatures made of different materials is realized. When the test system is used for testing the deposition and coking performances of the lubricating oil at different temperatures, the test system has no requirement on whether the lubricating oil contains impurities, can replace different spraying modes, set different temperatures and replace deposition pipes made of different materials, and can truly simulate the high-temperature deposition performance of the lubricating oil in different use environments.
The embodiment is suitable for all media used on the whole engine vehicle, different temperatures can be set according to different test purposes, the spraying mode can be replaced, the material of the deposition tube can be replaced, and the ignitability and the high-temperature deposition performance of the media in different use environments can be truly simulated. The ignition performance evaluation of different media has a key guiding significance on the design of peripheral accessories of the engine, and meanwhile, the fault cause can be judged through the ignition performance; the high-temperature deposition and coking performance of the lubricating oil are always the key factors influencing the reliability and the oil change period of the engine, so that the evaluation of the deposition and coking performance of the lubricating oil with different failure degrees is of great importance. The technical scheme has definite practical value.
It will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A system for testing high temperature deposition and ignition performance of a medium is characterized by comprising: the device comprises a medium conveying pipeline, an air inlet pipeline and a reaction device;
the reaction device comprises a reaction cavity, a deposition tube and a deposition tube temperature control assembly, wherein the reaction cavity is provided with a first inlet and a second inlet, the reaction cavity is communicated with the medium conveying pipeline through the first inlet, and the reaction cavity is communicated with the air inlet pipeline through the second inlet; the deposition tube is detachably arranged in the reaction cavity and is opposite to the first inlet, so that the medium entering the reaction cavity from the first inlet is sprayed on the surface of the deposition tube; the deposition tube temperature control assembly is positioned in the reaction cavity and used for adjusting the temperature of the deposition tube.
2. The test system of claim 1, wherein the deposition tube temperature control assembly comprises a heating wire and a first temperature sensor, the heating wire being installed inside the deposition tube; the first temperature sensor is connected with the outer surface of the deposition tube and is in signal connection with the heating wire.
3. The testing system of claim 1, wherein the first inlet is provided with a nozzle on a side facing the deposition tube.
4. The testing system of claim 1, wherein the reaction device further comprises a vent line in communication with the reaction chamber, the vent line having a safety valve disposed thereon.
5. The test system of claim 1, wherein the reaction chamber further has a first outlet located at a bottom of the reaction chamber.
6. The test system of claim 5, further comprising:
and the medium recovery pipeline is communicated with the reaction cavity through the first outlet.
7. The test system of claim 1, further comprising:
and the delivery pump and the flow meter are arranged on the medium delivery pipeline.
8. The test system of claim 6, further comprising:
and the liquid storage tank is communicated with the medium conveying pipeline and the medium recovery pipeline.
9. The test system of claim 1, further comprising:
and the medium temperature control assembly is positioned in the medium conveying pipeline and is used for adjusting the temperature of the medium in the medium conveying pipeline.
10. The test system of claim 9, wherein the media temperature control assembly comprises a heater and a second temperature sensor, the heater in signal connection with the second temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022651454.9U CN214374047U (en) | 2020-11-16 | 2020-11-16 | System for testing high-temperature deposition and ignition performance of medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022651454.9U CN214374047U (en) | 2020-11-16 | 2020-11-16 | System for testing high-temperature deposition and ignition performance of medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214374047U true CN214374047U (en) | 2021-10-08 |
Family
ID=77977453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022651454.9U Active CN214374047U (en) | 2020-11-16 | 2020-11-16 | System for testing high-temperature deposition and ignition performance of medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214374047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114324086A (en) * | 2021-12-29 | 2022-04-12 | 孚迪斯石油化工（葫芦岛）有限公司 | System and method for evaluating high-temperature deposition degradation characteristics of aviation lubricating oil |
-
2020
- 2020-11-16 CN CN202022651454.9U patent/CN214374047U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114324086A (en) * | 2021-12-29 | 2022-04-12 | 孚迪斯石油化工（葫芦岛）有限公司 | System and method for evaluating high-temperature deposition degradation characteristics of aviation lubricating oil |
| CN114324086B (en) * | 2021-12-29 | 2024-02-23 | 孚迪斯石油化工科技(葫芦岛)股份有限公司 | System and method for evaluating high-temperature deposition degradation characteristics of aviation lubricating oil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5938715A (en) | Method for monitoring the conversion capacity of a catalytic converter | |
| CN101512113B (en) | Apparatus, system, and method for enhancing soot filter protection | |
| CA1185538A (en) | Supercharged internal combustion engine provided with a particulate exhaust filter | |
| CN214374047U (en) | System for testing high-temperature deposition and ignition performance of medium | |
| US8887702B2 (en) | Self-cleaning exhaust gas recirculation system | |
| CN108798841A (en) | The exhaust equipment of internal combustion engine and the method for running the exhaust equipment | |
| CN110454261B (en) | HC nozzle blockage monitoring method, device and system | |
| CN106609693A (en) | Diagnosing oxidation catalyst device with hydrocarbon storage | |
| CN216411177U (en) | Fuel octane number measuring device suitable for low-pressure environment | |
| CN114019086B (en) | Octane number measuring device suitable for gas fuel or gas-liquid flexible fuel | |
| CN106014566B (en) | Method for controlling internal combustion engine | |
| CN109973177A (en) | A kind of diesel engine after treatment device | |
| EP2179148B1 (en) | Diesel dosing system for active diesel particulate filter regeneration | |
| CN201206487Y (en) | Exhaust heating apparatus for supercharged diesel | |
| CN102459858A (en) | Exhaust gas recirculation system for combustion engine | |
| CN111108269B (en) | Method for selective catalytic reduction by desorption of ammonia from a cartridge in an exhaust line | |
| US20220170399A1 (en) | Hybrid doser | |
| Tong et al. | Experimental study and numerical interpretation on the temperature field of DPF during active regeneration with hydrocarbon injection | |
| Johansen et al. | Novel base metal-palladium catalytic diesel filter coating with NO2 reducing properties | |
| CN110988023A (en) | Testing method of heat absorption type fuel heat sink | |
| CN209745565U (en) | test bench of research hydrocarbon gas mixture condensation | |
| CN210128803U (en) | Detection system of ceramic fiber filter tube | |
| CN208473826U (en) | A kind of experimental provision for the analysis of combustion in situ physical analogy kinetic parameter | |
| CN206845278U (en) | A kind of in-use automotive diesel engine DPF burner electric control gears | |
| KR0173864B1 (en) | Tester for the operation of canister for collecting fuel gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |