CN208432406U - A kind of high back pressure diesel engine bench experiment simulator - Google Patents
A kind of high back pressure diesel engine bench experiment simulator Download PDFInfo
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- CN208432406U CN208432406U CN201820918970.3U CN201820918970U CN208432406U CN 208432406 U CN208432406 U CN 208432406U CN 201820918970 U CN201820918970 U CN 201820918970U CN 208432406 U CN208432406 U CN 208432406U
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- 238000002474 experimental method Methods 0.000 title claims abstract description 22
- 239000013535 sea water Substances 0.000 claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000012360 testing method Methods 0.000 claims abstract description 35
- 230000003584 silencer Effects 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims description 31
- 238000009529 body temperature measurement Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 14
- 238000009530 blood pressure measurement Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 239000000498 cooling water Substances 0.000 claims description 6
- 230000030279 gene silencing Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000008030 elimination Effects 0.000 claims description 3
- 238000003379 elimination reaction Methods 0.000 claims description 3
- 230000003020 moisturizing effect Effects 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000004088 simulation Methods 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 description 7
- 238000006424 Flood reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011056 performance test Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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Abstract
The utility model belongs to diesel engine test technical field, proposes that a kind of high back pressure diesel engine bench experiment simulator, a kind of high back pressure diesel engine bench experiment simulator of proposition have the gas handling system of corresponding diesel engine setting；Gas handling system has the double-torsion-line flowmeter being arranged at entrance, the outlet filter of double-torsion-line flowmeter；The outlet of filter is connected by air duct type heater with sea water pump, and sea water pump is connected with diesel engine, silencer and generator respectively by water-division pipeline；Exhaust system has the electronic counterbalance valve I and high temperature electric counterbalance valve II being connected on the gas exhaust piping of diesel engine；High temperature electric counterbalance valve II is connected by being vented outer flap valve with water tank；It is vented on the gas exhaust piping between outer flap valve and high temperature electric counterbalance valve II and is provided with header tank.The utility model realizes the simulation test of more comprehensive, more complete high back pressure diesel engine.
Description
Technical field
The utility model belongs to diesel engine test technical field, and in particular to a kind of high back pressure diesel engine bench test simulation
Device more particularly to it is a kind of for the air inlet of diesel engine high back pressure environment, exhaust, cooling, overall performance bench test device.
Background technique
Diesel engine is under high back pressure (absolute pressure 110kPa-120kPa) environment in use, mostly using bavin electricity active force
The power supply of the mode of device, i.e. diesel generator group, the mode being incorporated into the power networks.Environmental parameter locating for diesel engine is such as under this state
Intake air temperature, admission pressure, charge flow rate, exhaust noise, muffler be cooling, exhaust back pressure and back-pressure surges in bench test
When difference it is obvious；Therefore when the test of high back pressure diesel engine bench, accurately to obtain the performance parameter under diesel engine high back pressure environment,
Targeted experimental rig need to be built according to the environmental condition feature of high back pressure diesel engine；Have both at home and abroad for highback at present
The bench test device for pressing diesel engine, realizes high back pressure environmental simulation to a certain extent, but still has the following problems: Wu Fatong
Realize that charge flow rate test, the adjusting of muffler cooling water and test, the minimum water that do not flow backward allow using revolving speed in one device
The free switching of test and performance test and exhaust noise testing experiment.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is to propose a kind of high back pressure diesel engine bench test simulation
Device.
To realize above-mentioned purpose of utility model, the utility model adopts the following technical solution:
A kind of high back pressure diesel engine bench experiment simulator, the experiment simulator have corresponding diesel engine setting
Gas handling system；The gas handling system has the double-torsion-line flowmeter being arranged at entrance, the double-torsion-line flowmeter
Outlet the filter in pipeline is set；The entrance of the double-torsion-line flowmeter, outlet be respectively arranged with pressure gauge Ⅸ,
Pressure gauge Ⅹ is measured before and after double torsion flowmeters by pressure gauge Ⅸ and pressure gauge Ⅹ and into the air pressure number before filter
Value calculates charge flow rate in conjunction with the environment temperature parameter of test bay；The filter outlet is provided with pressure gauge Ⅺ；Setting exists
Ⅺ pair of pressure gauge Ⅹ, pressure gauge before and after filter compares into the air pressure difference before and after filter, judges that filter blocks
Situation；The outlet of the filter is connected with the air duct type heater to be heated to the air for entering diesel engine, air duct
Formula heater controls intake air temperature by internal heating element；The air duct type heater is adjusted by vacuum degree
Air is sent into diesel engine by valve, vacuum tank, booster；Thermometer is installed on from the air inlet pipe at turbocharger inlet 0.5m
VII, according to the air themperature that thermometer VII measures, the heating power of air duct type heater is adjusted, intake air temperature heating is formed and adjusts
Closed-loop control；It is equipped on from the air inlet pipe at turbocharger inlet 1m to be detected to admission pressure in air inlet pipe
Pressure gauge Ⅻ；The intake vacuum numerical value measured according to pressure gauge Ⅻ adjusts the aperture of intake vacuum regulating valve；
The experiment simulator also has cooling system, and the cooling system has for diesel engine, motor
Carry out the sea water tank of moisturizing；The sea water tank is connected by water supply valve with water pipe；The sea water tank passes through draining
Valve is connected with water return pipeline；The sea water tank also passes through sea water pump and provides cooling water for diesel engine, engine；The sea
One end of water pump is connected with the sea water tank, the other end by water-division pipeline respectively with diesel engine, silencer and power generation
Machine is connected；Control valve I and seawater flow meter I are provided between the diesel engine and the water-division pipeline, and described
It is arranged between seawater flow meter I and diesel engine to the ocean temperature progress temperature measurement and pressure measurement for entering diesel engine
Thermometer I, pressure gauge I；The outlet of the diesel engine carries out temperature measurement and pressure by the ocean temperature to export to it
Thermometer II, the pressure gauge II of measurement are connected with silencer；Control is provided between the silencer and the water-division pipeline
Valve II and seawater flow meter II processed, be provided between the seawater flow meter II and the silencer to enter silencer
Ocean temperature carry out temperature measurement and pressure measurement thermometer III, pressure gauge III；The water-division pipeline passes through control valve
III and seawater flow meter III be connected with the generator, between generator and seawater flow meter III be arranged to entrance
The seawater of generator carries out thermometer IV, the pressure gauge IV of temperature measurement and pressure measurement；The seawer outlet end of the generator
It is connected by pressure gauge V, thermometer V with the silencer；The seawer outlet end of the silencer passes through control valve IV
The connection sea water tank；It is provided between the silencer and control valve IV and is carried out for the seawater to silencer outlet end
Thermometer VI, the pressure gauge VI of temperature and pressure measurement, by adjusting the aperture of control valve IV, to seawer outlet temperature and pressure
It is controlled, sea water tank is entered by the water return pipeline of water tank by the seawater of control valve IV；
Exhaust after the cooling noise elimination of silencer is divided into two-way；Pipeline discharge is measured by exhaust noise all the way, is used
Noise testing is exhausted in outlet according to standard requirements in noise transducer；In silencing end position, installation is used to measure exhaust
First thermometer of the delivery temperature of noise pipeline silencing end；Another way is the exhaust system of experiment simulator；Institute
The exhaust system stated have be connected on the gas exhaust piping of diesel engine in the case of carrying out high back pressure diesel engine high back pressure
Cold start-up, the high temperature electric counterbalance valve I of thermal starting test and the blowout ballast water examination for carrying out high back pressure diesel engine high back pressure
It tests, the high temperature electric counterbalance valve of continuous service, back-pressure surges, condition of high vacuum degree and high back pressure short-time running experimental performance test
Ⅱ；The high temperature electric counterbalance valve II by be vented outer flap valve be used to carry out highback press it is minimum do not flow backward water allow using
The water tank of speed test is connected, and the water tank is arranged in gas exhaust piping end；Liquidometer measurement is installed on the water tank
High water tank, recording the minimum water that do not flow backward allows using liquid level height in the water tank in speed test；The outer flap valve of the exhaust enters
Mouth end is provided with the first pressure gauge to measure exhaust outer flap valve front end pressure at expulsion, reaches a certain being vented outer flap valve back pressure
It is opened when particular value and is vented outer flap valve；It is provided on gas exhaust piping between the outer flap valve of the exhaust and high temperature electric counterbalance valve II
To the header tank for carrying out drainage sunk well after being vented outer flap valve failure, preventing inwelling；The outer wall of the header tank is equipped with
Water jacket to cooling exhaust；There are two discharge pipe lines disposed in parallel for the lower end installation of the header tank: discharge pipe line I, row
Water lines II；The discharge pipe line I, discharge pipe line II are separately installed with solenoid valve I, solenoid valve II；The discharge pipe line I
On be also equipped with liquid level sensor I and liquid level sensor II；The liquid level sensor I and liquid level sensor II is setting up and down；
Liquid level sensor III is also equipped in the middle part of the chamber interior wall that catchments；The discharge pipe line I, discharge pipe line II end be row
Dirty case is connected；In high back pressure diesel engine operational process, it is vented outer flap valve failure, seawater enters along gas exhaust piping to catchment
Case can then initially enter discharge pipe line I, discharge pipe line II, and when less into water, seawater floods liquid level sensor II, not flood
When not having liquid level sensor I, solenoid valve I is opened, if the water of water inlet is more, seawater floods liquid level sensor II, do not flood liquid
When level sensor III, solenoid valve I and solenoid valve II are fully open, and the seawater in pipeline section is drained into blowdown tank；If seawater enters speed
Degree is fast, makes water level continue to rise when flooding liquid level sensor III, can forcibly close high temperature electric counterbalance valve II, and pass through indicator light
Prompt the parking of high back pressure diesel engine；Being vented after outer flap valve is opened can be exhausted, and can close in time, prevent seawater from falling
It fills；It is vented the pressure at expulsion that outer flap valve front exhaust pipe road installation first pressure gauge measurement is vented outer flap valve front end, works as exhaust pressure
Power is greater than specified value, opens and is vented outer flap valve, is exhausted, and when pressure at expulsion is less than specified value, closing is vented outer flap valve,
Prevent inwelling.
The end of the gas exhaust piping is equipped with exhaust nozzle, and the exhaust nozzle is located in the water tank；It is described
Exhaust nozzle be it is down big up small pyramidal, by way of reducing air slit diameter, increase exhaust flow rate, reduction is minimum not
Flow backward revolving speed.
It is provided between the sea water tank and sea water pump for being measured to the ocean temperature and pressure that enter sea water pump
Thermometer VII, pressure gauge VII.
Be provided between the sea water pump and water-division pipeline for enter water-division pipeline ocean temperature and pressure into
Thermometer VIII, the pressure gauge VIII of row measurement.
The utility model proposes a kind of high back pressure diesel engine bench experiment simulator, using above-mentioned end scheme, no
Only realize intake vacuum adjustment, exhaust back pressure control, the adjusting of exhaust back pressure undulated control, intake air temperature, cooling water temperature
Adjusting can also realize charge flow rate test, exhaust noise test, muffler, diesel engine and generator cooling-water temperature and pressure
The adjusting and test of power realize that the minimum water that do not flow backward allows using speed test and performance test and exhaust noise testing experiment
The free switching of gas exhaust piping realizes that the simulation of more comprehensive, more complete high back pressure diesel engine tries by the utility model
It tests.
Detailed description of the invention
Fig. 1 is the schematic diagram of gas handling system in the utility model.
Fig. 2 is the schematic diagram of exhaust system in the utility model.
Fig. 3 is the schematic diagram of cooling system in the utility model.
In figure: 1, double torsion flowmeters, 2, filter, 3, air duct type heater, 4, intake vacuum regulating valve, 5, pressure stabilizing
Tank, 8, muffler, 9, pressure gauge Ⅸ, 10, pressure gauge Ⅹ, 11, pressure gauge Ⅺ, 12, pressure gauge Ⅻ, 13, thermometer VII, 14, increasing
Depressor, 18, exhaust noise measurement pipeline, 19, high temperature electric counterbalance valve I, 20, high temperature electric counterbalance valve II, 21, header tank, 22,
Liquid level sensor I, 23, liquid level sensor II, 24, solenoid valve I, 25, solenoid valve II, 26, liquid level sensor III, 27, exhaust are outer
Flap valve, 28, exhaust nozzle, 29, water tank, 30, liquidometer, the 31, first thermometer, 32, second temperature table, 33, second pressure gauge,
34, first pressure gauge, 35, blowdown tank, 36, water-division pipeline, 37, control valve I, 38, control valve II, 39, control valve III, 40, sea
Water ga(u)ge I, 41, seawater flow meter II, 42, seawater flow meter III, 43, diesel engine, 44, generator, 45, sea water tank, 46, pressure
Power table VII, 47, thermometer VII, 48, pressure gauge VIII, 49, thermometer VIII, 50, pressure gauge I, 51, thermometer I, 52, pressure gauge III,
53, thermometer III, 54, pressure gauge IV, 55, thermometer IV, 56, pressure gauge II, 57, thermometer II, 58, pressure gauge V, 59, temperature
Degree table V, 60, thermometer VI, 61, pressure gauge VI, 62, water supply valve, 63, water discharging valve, 64, control valve IV, 65, sea water pump,
66, discharge pipe line I, 67, discharge pipe line II.
Specific embodiment
Specific embodiment shown in the utility model is described in detail below with reference to attached drawing, those skilled in the art
Some nonessential modifications and adaptations of the member according to the content of the present invention to the utility model, still fall within the utility model.
A kind of high back pressure diesel engine bench experiment simulator, the experiment simulator have corresponding diesel engine setting
Gas handling system；As shown in Figure 1, the gas handling system has the double-torsion-line flowmeter 1 being arranged at entrance, it is described double
The filter 2 in pipeline is arranged in the outlet for turning round linear flow rate meter 1；The entrance of the double-torsion-line flowmeter 1, outlet are set respectively
It is equipped with pressure gauge Ⅸ 9, pressure gauge Ⅹ 10, is measured before and after double torsion flowmeters by pressure gauge Ⅸ 9 and pressure gauge Ⅹ 10 and into filter
Air pressure numerical value before clear device calculates charge flow rate in conjunction with the environment temperature parameter of test bay；The outlet of filter 2 is set
It is equipped with pressure gauge Ⅺ 11；Pressure gauge Ⅹ 10 before and after filter, Ⅺ 11 pairs of the pressure gauge air entered before and after filters are set
Pressure difference compares, and judges filter stopping state；The outlet of the filter 2 be connected with to enter diesel engine air into
The air duct type heater 3 of row heating, air duct type heater 3 control intake air temperature by internal heating element；It is described
Air is sent into diesel engine by vacuum degree regulating valve 4, vacuum tank 5, booster 14 by air duct type heater 3；In view of air inlet pipe
The heat dissipation in road is equipped with thermometer VII 13 on from the air inlet pipe at 14 import 0.5m of booster, is measured according to thermometer VII 13
Air themperature, adjust air duct type heater heating power, formed intake air temperature heating adjust closed-loop control；In view of into
The variation of admission pressure in feed channel, is equipped with to air inlet pressure in air inlet pipe on from the air inlet pipe at turbocharger inlet 1m
The pressure gauge Ⅻ 12 that power is detected；The intake vacuum numerical value measured according to pressure gauge Ⅻ adjusts intake vacuum regulating valve
Aperture；The volume of vacuum tank 5 is process according to the capacity calculated result of high back pressure diesel engine 43, for weakening or eliminating
Because air inlet is fluctuated caused by pipeline configuration, equipment, stablize admission pressure.
As shown in figure 3, the experiment simulator also has cooling system, the cooling system has for bavin
Oil machine, motor carry out the sea water tank 45 of moisturizing；The sea water tank 65 is connected by water supply valve 15 with water pipe；It is described
Sea water tank 45 is connected by water discharging valve 14 with water return pipeline；It is diesel engine 43, hair that the sea water tank, which also passes through sea water pump 65,
Motivation 44 provides cooling water；One end of the sea water pump 65 is connected with the sea water tank 45, and the other end passes through distributive pipe
Road 36 is connected with diesel engine 43, silencer 8 and generator 44 respectively；The diesel engine 43 and the water-division pipeline 36 it
Between be provided with control valve I 37 and seawater flow meter I 40, and between the seawater flow meter I 37 and diesel engine setting to
Thermometer I 50, the pressure gauge I 51 of temperature measurement and pressure measurement are carried out to the ocean temperature for entering diesel engine；The diesel engine
45 outlet carries out thermometer II 56, the pressure gauge II of temperature measurement and pressure measurement by the ocean temperature to export to it
57 are connected with silencer 8；Control valve II 38 and seawater flow are provided between the silencer 8 and the water-division pipeline 36
II 41 are counted, is provided between the seawater flow meter II 38 and the silencer 8 to the ocean temperature for entering silencer
Carry out thermometer III 52, the pressure gauge III 53 of temperature measurement and pressure measurement；The water-division pipeline passes through III 39 He of control valve
Seawater flow meter III 42 is connected with the generator 44, is arranged between generator 44 and seawater flow meter III 42 to right
Thermometer IV 54, the pressure gauge IV 55 of temperature measurement and pressure measurement are carried out into the seawater of generator；The sea of the generator
Water outlet end is connected by pressure gauge V 58, thermometer V 59 with the silencer 8；The seawer outlet of the silencer 8
The end sea water tank 45 described by the connection of control valve IV 64；Be provided between the silencer 8 and control valve IV 45 for pair
The seawater at muffler outlet end carries out thermometer VI 60, the pressure gauge VI 64 of temperature and pressure measurement, by adjusting control valve IV
Aperture, seawer outlet temperature and pressure is controlled, is entered by the seawater of control valve IV by the water return pipeline of water tank
Sea water tank；
In conjunction with Fig. 2, the exhaust after the cooling noise elimination of silencer is divided into two-way；Pipeline 18 is measured by exhaust noise all the way
Discharge, is exhausted noise testing in outlet according to standard requirements using noise transducer；Exhaust noise measures in the embodiment
Pipeline 18 is using the prior art, and don't explain too much here；In silencing end position, installation is used to measure exhaust noise
First thermometer 31 of the delivery temperature of pipeline silencing end；Another way is the exhaust system of experiment simulator；It is described
Exhaust system have be connected to it is cold in the case of high back pressure diesel engine high back pressure for carrying out on the gas exhaust piping of diesel engine
Starting, the high temperature electric counterbalance valve I 19 of thermal starting test and the blowout ballast water examination for carrying out high back pressure diesel engine high back pressure
It tests, the high temperature electric counterbalance valve II of continuous service, back-pressure surges, condition of high vacuum degree and high back pressure short-time running experimental performance test
20；The high temperature electric counterbalance valve I 19, high temperature electric counterbalance valve II 20 are by being vented outer flap valve 27 and being used to carry out high back pressure
The minimum water that do not flow backward of machine allows to be connected using the water tank 29 of speed test, and the water tank 29 is arranged in gas exhaust piping end；
Liquidometer 31 is installed on the water tank 29 and measures high water tank, recording the minimum water that do not flow backward allows using the water in speed test
Liquid level is high in case；The arrival end of the outer flap valve 27 of the exhaust, which is provided with, is vented the first of outer flap valve front end pressure at expulsion to measure
Pressure gauge 34 is opened when being vented outer flap valve back pressure and reaching a certain particular value and is vented outer flap valve；The outer flap valve 34 of the exhaust and height
It is provided on gas exhaust piping between the electronic counterbalance valve II 20 of temperature to carry out drainage sunk well after being vented outer flap valve failure, prevent
The header tank 21 of inwelling；The outer wall of the header tank 21 is equipped with the water jacket to cooling exhaust；Under the header tank 21
There are two discharge pipe lines disposed in parallel for end installation: discharge pipe line I 66, discharge pipe line II 67；The discharge pipe line I 66, row
Water lines II 67 are separately installed with solenoid valve I 24, solenoid valve II 25；Level sensing is also equipped on the discharge pipe line I 66
Device I 22 and liquid level sensor II 23；The liquid level sensor I 22 and liquid level sensor II 23 is setting up and down；The header tank
Liquid level sensor III 26 is also equipped in the middle part of inner wall；The discharge pipe line I 66, discharge pipe line II 27 end be blowdown tank
35 are connected；In high back pressure diesel engine operational process, it is vented outer flap valve failure, seawater enters header tank along gas exhaust piping,
Discharge pipe line I, discharge pipe line II can be then initially entered, when less into water, seawater floods liquid level sensor II, does not flood liquid
When level sensor I, solenoid valve I is opened, if the water of water inlet is more, seawater floods liquid level sensor II, do not flood liquid level biography
When sensor III, solenoid valve I and solenoid valve II are fully open, and the seawater in pipeline section is drained into blowdown tank；If seawater admission velocity is fast,
Make water level continue to rise when flooding liquid level sensor III, high temperature electric counterbalance valve II can be forcibly closed, and pass through indicator light prompt
The parking of high back pressure diesel engine；Being vented after outer flap valve is opened can be exhausted, and can close in time, prevent inwelling；Row
The outer flap valve front exhaust pipe road installation first pressure gauge measurement of gas is vented the pressure at expulsion of outer flap valve front end, when pressure at expulsion is greater than
Specified value opens and is vented outer flap valve, is exhausted, and when pressure at expulsion is less than specified value, closing is vented outer flap valve, prevents sea
Water flows backward.
The end of the gas exhaust piping is equipped with exhaust nozzle 28, and the exhaust nozzle is located in the water tank；Institute
The exhaust nozzle stated be it is down big up small pyramidal, by way of reducing air slit diameter, increase exhaust flow rate, reduction is minimum
Do not flow backward revolving speed.
It is provided between the sea water tank and sea water pump for being measured to the ocean temperature and pressure that enter sea water pump
Thermometer VII 46, pressure gauge VII 47.
Be provided between the sea water pump and water-division pipeline for enter water-division pipeline ocean temperature and pressure into
Thermometer VIII 48, the pressure gauge VIII 49 of row measurement.
Claims (4)
1. a kind of high back pressure diesel engine bench experiment simulator, it is characterised in that: the experiment simulator, which has, to be corresponded to
The gas handling system of diesel engine setting；The gas handling system has the double-torsion-line flowmeter being arranged at entrance, described double
The filter in pipeline is arranged in the outlet for turning round linear flow rate meter；The entrance of the double-torsion-line flowmeter, outlet are respectively set
There are pressure gauge Ⅸ, pressure gauge Ⅹ, is measured before and after double torsion flowmeters by pressure gauge Ⅸ and pressure gauge Ⅹ and into before filter
Air pressure numerical value calculates charge flow rate in conjunction with the environment temperature parameter of test bay；The filter outlet is provided with pressure
Table Ⅺ；Pressure gauge Ⅹ before and after filter is set, Ⅺ pair of the pressure gauge air pressure difference entered before and after filter compares, sentence
Disconnected filter stopping state；The outlet of the filter is connected with to be added to the air duct type heated to the air for entering diesel engine
Hot device, air duct type heater control intake air temperature by internal heating element；The air duct type heater passes through true
Air is sent into diesel engine by reciprocal of duty cycle regulating valve, vacuum tank, booster；It is equipped on from the air inlet pipe at turbocharger inlet 0.5m
Thermometer VII adjusts the heating power of air duct type heater according to the air themperature that thermometer VII measures, and forms intake air temperature and adds
The closed-loop control of thermal conditioning；It is equipped on from the air inlet pipe at turbocharger inlet 1m to be carried out to admission pressure in air inlet pipe
The pressure gauge Ⅻ of detection；The intake vacuum numerical value measured according to pressure gauge Ⅻ adjusts the aperture of intake vacuum regulating valve；
The experiment simulator also has a cooling system, the cooling system have for diesel engine, generator into
The sea water tank of row moisturizing；The sea water tank is connected by water supply valve with water pipe；The sea water tank passes through drain valve
Door is connected with water return pipeline；The sea water tank also passes through sea water pump and provides cooling water for diesel engine, generator；The seawater
One end of pump is connected with the sea water tank, the other end by water-division pipeline respectively with diesel engine, silencer and generator
It is connected；Control valve I and seawater flow meter I are provided between the diesel engine and the water-division pipeline, and in the sea
Temperature to carry out temperature measurement and pressure measurement to the ocean temperature for entering diesel engine is set between water ga(u)ge I and diesel engine
Spend table I, pressure gauge I；The outlet of the diesel engine carries out temperature measurement by the ocean temperature to export to it and pressure is surveyed
Thermometer II, the pressure gauge II of amount are connected with silencer；Control is provided between the silencer and the water-division pipeline
Valve II and seawater flow meter II are provided with to entrance silencer between the seawater flow meter II and the silencer
Ocean temperature carries out thermometer III, the pressure gauge III of temperature measurement and pressure measurement；The water-division pipeline passes through control valve III
It is connected with seawater flow meter III with the generator, setting is to send out entrance between generator and seawater flow meter III
The seawater of motor carries out thermometer IV, the pressure gauge IV of temperature measurement and pressure measurement；The seawer outlet end of the generator is logical
Excess pressure table V, thermometer V are connected with the silencer；The seawer outlet end of the silencer is connected by control valve IV
Lead to the sea water tank；It is provided between the silencer and control valve IV and carries out temperature for the seawater to silencer outlet end
Thermometer VI, the pressure gauge VI of degree and pressure measurement, by adjusting the aperture of control valve IV, to seawer outlet temperature and pressure into
Row control, enters sea water tank by the water return pipeline of water tank by the seawater of control valve IV；
Exhaust after the cooling noise elimination of silencer is divided into two-way；Pipeline discharge is measured by exhaust noise all the way, uses noise
Noise testing is exhausted in outlet according to standard requirements in sensor；In silencing end position, installation is used to measure exhaust noise
First thermometer of the delivery temperature of pipeline silencing end；Another way is the exhaust system of experiment simulator；Described
Exhaust system, which has, is connected to cold opening on the gas exhaust piping of diesel engine for carry out in the case of high back pressure diesel engine high back pressure
The high temperature electric counterbalance valve I that dynamic, thermal starting is tested and the blowout ballast water test for carrying out high back pressure diesel engine high back pressure are held
The high temperature electric counterbalance valve II that reforwarding row, back-pressure surges, condition of high vacuum degree and high back pressure short-time running experimental performance are tested；It is described
High temperature electric counterbalance valve II by being vented outer flap valve and being used to carry out the minimum water that do not flow backward of highback press to allow to try using revolving speed
The water tank tested is connected, and the water tank is arranged in gas exhaust piping end；Liquidometer is installed on the water tank and measures water box liquid
Position, recording the minimum water that do not flow backward allows using liquid level height in the water tank in speed test；The arrival end of the outer flap valve of the exhaust is set
It is equipped with the first pressure gauge to measure exhaust outer flap valve front end pressure at expulsion, reaches a certain particular value being vented outer flap valve back pressure
Shi Kaiqi is vented outer flap valve；Be provided on gas exhaust piping between the outer flap valve of the exhaust and high temperature electric counterbalance valve II to
It is vented the header tank for carrying out drainage sunk well after outer flap valve failure, preventing inwelling；The outer wall of the header tank is equipped with to cold
But the water jacket being vented；There are two discharge pipe lines disposed in parallel: discharge pipe line I, discharge pipe line for the lower end installation of the header tank
Ⅱ；The discharge pipe line I, discharge pipe line II are separately installed with solenoid valve I, solenoid valve II；Also pacify on the discharge pipe line I
Equipped with liquid level sensor I and liquid level sensor II；The liquid level sensor I and liquid level sensor II is setting up and down；The collection
Liquid level sensor III is also equipped in the middle part of tank inner wall；The discharge pipe line I, discharge pipe line II end be blowdown tank phase
Connection.
2. a kind of high back pressure diesel engine bench experiment simulator as described in claim 1, it is characterised in that: the exhaust pipe
The end on road is equipped with exhaust nozzle, and the exhaust nozzle is located in the water tank；The exhaust nozzle be it is lower it is big on
Small is pyramidal.
3. a kind of high back pressure diesel engine bench experiment simulator as described in claim 1, it is characterised in that: the sea water tank
Thermometer VII, the pressure gauge for measuring to the ocean temperature and pressure that enter sea water pump are provided between sea water pump
Ⅶ。
4. a kind of high back pressure diesel engine bench experiment simulator as described in claim 1, it is characterised in that: the seawater
It is provided with the thermometer VIII for measuring to the ocean temperature and pressure that enter water-division pipeline between pump and water-division pipeline, presses
Power table VIII.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820918970.3U CN208432406U (en) | 2018-06-14 | 2018-06-14 | A kind of high back pressure diesel engine bench experiment simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN110595787A (en) * | 2019-09-30 | 2019-12-20 | 河南柴油机重工有限责任公司 | Automatic fluctuation regulation control method for exhaust back pressure of diesel engine |
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