CN214304018U - Simulation experiment platform for nitrogen oxide emission control system of shipborne diesel engine set - Google Patents
Simulation experiment platform for nitrogen oxide emission control system of shipborne diesel engine set Download PDFInfo
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- CN214304018U CN214304018U CN202120363409.5U CN202120363409U CN214304018U CN 214304018 U CN214304018 U CN 214304018U CN 202120363409 U CN202120363409 U CN 202120363409U CN 214304018 U CN214304018 U CN 214304018U
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- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims abstract description 144
- 238000004088 simulation Methods 0.000 title claims abstract description 35
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 57
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 16
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 12
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 36
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract description 12
- 239000004202 carbamide Substances 0.000 abstract description 12
- 238000002347 injection Methods 0.000 abstract description 9
- 239000007924 injection Substances 0.000 abstract description 9
- 238000011217 control strategy Methods 0.000 abstract description 7
- 241001071864 Lethrinus laticaudis Species 0.000 abstract description 6
- 238000011160 research Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 abstract description 2
- 239000003054 catalyst Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 7
- 239000000779 smoke Substances 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Exhaust Gas After Treatment (AREA)
Abstract
A simulation experiment platform for a nitrogen oxide emission control system of a shipborne diesel engine set belongs to the field of tail gas treatment of the shipborne diesel engine set. The utility model discloses an including diesel generator, pre-heater, aqueous ammonia piggy bank and reation kettle, diesel generator and pre-heater are through first pipeline intercommunication installation, and pre-heater and reation kettle pass through the installation of second pipeline intercommunication, and the third pipeline is installed to reation kettle gas outlet end, and the installation of aqueous ammonia piggy bank and second pipeline intercommunication installs nitrogen oxide sensor and temperature sensor on the second pipeline, installs nitrogen oxide sensor, temperature sensor and ammonia concentration sensor on the third pipeline. The purpose is in order to solve and to use on-board diesel engine SCR system as the research object, builds the simulation experiment platform, carries out the problem of simulation research to various on-board diesel power unit SCR system urea injection control strategy, gives the best control strategy, gains fine experiment effect, the utility model has the advantages of simple structure and ingenious design, be suitable for and use widely.
Description
Technical Field
The utility model relates to a ship-borne diesel engine unit nitrogen oxide emission control system simulation experiment platform belongs to ship-borne diesel engine unit tail gas treatment field.
Background
In order to meet the restriction requirement of MARPOL convention Tier III on the emission of nitrogen oxides of marine diesel engines, the shipping industry is always exploring feasible NOx emission reduction measures. SCR can reduce 80% and 95% of NOx emission of a diesel engine, can meet IMO Tier III emission standard, and is accepted by the International maritime organization. The SCR system is used for slightly changing ships and diesel engines, the fuel economy is not influenced, the requirements on the quality of fuel oil and lubricating oil are low, the oil consumption of the ships and the PM emission are not increased, and the SCR technology is generally seen by the shipbuilding industry. The SCR system has the problems of high initial installation cost, large equipment size, difficulty in arrangement in an engine room and the like in the practical application process of a ship, and the following problems are also key factors for restricting the development of SCR:
1) and controlling the temperature of the exhaust smoke. Because SCR catalytic reduction reaction has certain requirement to the temperature so the system is most suitable for working under the stable high load operating mode of boats and ships, and the high temperature of host computer exhaust gas can satisfy the normal operating requirement of SCR and is not very suitable for working under dynamic navigation and low load operating mode, and the temperature of host computer exhaust gas is less than the normal operating range of SCR.
2) The catalyst is deactivated. This is a major problem encountered in SCR operation. The sulfur content of fuel oil is too large, harmful substances in lubricating oil, the working condition of an engine changes frequently, the combustion quality is poor, black smoke, the system monitoring feedback unit and the quantitative injection unit are out of order, mechanical faults and the like, and catalyst deactivation can be caused by crushing of a catalyst and the like caused by vibration of a ship body, a cabin and a pipeline system caused by a ship power device.
3) Urea dosing and mixing uniformity with the exhaust. Poor uniformity of urea and exhaust mixing treatment not only reduces NOX reduction efficiency but also increases NH3 slip for secondary pollution.
Therefore, it is necessary to provide a novel simulation experiment platform for a nitrogen oxide emission control system of a ship-borne diesel engine set to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses research and development purpose is in order to solve and uses on-board diesel engine SCR system to build simulation experiment platform for the research object, carries out the problem of simulation research to various on-board diesel engine unit SCR system urea injection control strategy, has given about in the following the utility model discloses a brief summary to provide about the utility model discloses a basic understanding of some aspects. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to identify key or critical elements of the invention or to delineate the scope of the invention.
The technical scheme of the utility model:
the utility model provides a ship-borne diesel engine unit nitrogen oxide emission control system simulation experiment platform, including diesel generator, a preheater, aqueous ammonia piggy-bank and reation kettle, diesel generator and preheater are through first pipeline intercommunication installation, preheater and reation kettle pass through the installation of second pipeline intercommunication, the third pipeline is installed to reation kettle gas outlet end, aqueous ammonia piggy-bank and second pipeline intercommunication installation, install nitrogen oxide sensor and temperature sensor on the second pipeline, install nitrogen oxide sensor on the third pipeline, temperature sensor and ammonia concentration sensor.
Preferably: the system also comprises a plurality of supports, and the preheater, the second pipeline, the reaction kettle and the third pipeline are supported and installed through the supports.
Preferably: the preheater, the second pipeline, the reaction kettle and the third pipeline are coaxially arranged.
The utility model discloses a solve the problem that the aqueous ammonia piggy bank sprayed the aqueous ammonia in to the pipeline, propose the technical scheme of the utility model is:
the utility model provides a ship-borne diesel engine unit nitrogen oxide emission control system simulation experiment platform, including diesel generator, a preheater, aqueous ammonia piggy-bank and reation kettle, diesel generator and preheater are through first pipeline intercommunication installation, preheater and reation kettle pass through the installation of second pipeline intercommunication, the third pipeline is installed to reation kettle gas outlet end, aqueous ammonia piggy-bank and second pipeline intercommunication installation, install nitrogen oxide sensor and temperature sensor on the second pipeline, install nitrogen oxide sensor on the third pipeline, temperature sensor and ammonia concentration sensor.
Preferably: the delivery port of aqueous ammonia piggy bank goes out to install the pipe, and the pipe other end probes into the second pipeline to spout aqueous ammonia in to the second pipeline through the aqueous ammonia nozzle, and the aqueous ammonia nozzle is located between nitrogen oxide sensor and the temperature sensor on the second pipeline.
Preferably: the guide pipe is provided with a booster pump.
Preferably: and a glass tube liquid level meter is arranged on the ammonia water storage tank in a matching way.
The utility model discloses a but solve whole simulation experiment platform real-time supervision data and give remote control's problem, its technical scheme is:
the utility model provides a ship-borne diesel engine unit nitrogen oxide emission control system simulation experiment platform, including diesel generator, a preheater, aqueous ammonia piggy-bank and reation kettle, diesel generator and preheater are through first pipeline intercommunication installation, preheater and reation kettle pass through the installation of second pipeline intercommunication, the third pipeline is installed to reation kettle gas outlet end, aqueous ammonia piggy-bank and second pipeline intercommunication installation, install nitrogen oxide sensor and temperature sensor on the second pipeline, install nitrogen oxide sensor on the third pipeline, temperature sensor and ammonia concentration sensor.
Preferably: still include the PLC switch board, the PLC switch board respectively with pre-heater, nitrogen oxide sensor, temperature sensor, ammonia concentration sensor and booster pump electric connection.
The utility model discloses following beneficial effect has:
1. the utility model discloses a ship-borne diesel engine unit nitrogen oxide emission control system simulation experiment platform, regard ship-borne diesel engine SCR system as the research object, build simulation experiment platform, simulate the research to various ship-borne diesel engine power unit SCR system urea injection control strategies, give the best control strategy, gain fine experiment effect;
2. the utility model discloses a ship-borne diesel engine unit nitrogen oxide emission control system simulation experiment platform, to mainstream ship-borne diesel engine unit SCR system simulation operation control, obtain relevant test data, through logic controller closed loop PID control to adopt genetic algorithm to discern the chemical reaction kinetic parameter that SCR catalyst model relates to, make SCR actual catalyst performance reach the best;
3. the utility model discloses a ship-borne diesel engine unit nitrogen oxide emission control system simulation experiment platform can formulate target diesel engine SCR system steady state urea injection control strategy, utilizes best SCR catalyst model, has confirmed best ammonia nitrogen ratio and best urea injection volume under each steady state operating mode of target diesel engine SCR system, when saving the cost, can reach emission control effect the best;
4. the utility model discloses a ship-borne diesel engine unit nitrogen oxide emission control system simulation experiment platform, simple structure, design benefit, easy dismounting, low cost are suitable for using widely.
Drawings
FIG. 1 is a schematic structural diagram of a simulation experiment platform of a nitrogen oxide emission control system of a shipborne diesel engine set;
in the figure, 1-a diesel generator, 2-a preheater, 3-an ammonia water storage tank, 4-a reaction kettle, 5-a support, 61-a first pipeline, 62-a second pipeline, 63-a third pipeline, 7-a nitrogen oxide sensor, 8-a temperature sensor, 9-an ammonia gas concentration sensor, 10-a PLC control cabinet, 31-a conduit, 32-an ammonia water nozzle, 33-a booster pump and 34-a glass tube liquid level meter.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The utility model discloses the connection that mentions divide into fixed connection and can dismantle the connection, fixed connection is for the conventional fixed connection mode such as undetachable connection including but not limited to hem connection, rivet connection, adhesive connection and welded connection, can dismantle the connection including but not limited to conventional dismantlement modes such as threaded connection, buckle connection, pin joint and hinged joint, when not clearly prescribing a limit to concrete connection mode, acquiesces to always can find at least one kind of connected mode in current connected mode and can realize this function, and the technical staff in the art can select by oneself as required. For example: the fixed connection selects welding connection, and the detachable connection selects hinge connection.
The first embodiment is as follows: the embodiment is described with reference to fig. 1, and the simulation experiment platform of the nitrogen oxide emission control system of the shipborne diesel engine set of the embodiment comprises a diesel generator 1 and a preheater 2, ammonia water piggy bank 3 and reation kettle 4, diesel generator 1 and pre-heater 2 are installed through first pipeline 61 intercommunication, pre-heater 2 and reation kettle 4 pass through second pipeline 62 intercommunication installation, third pipeline 63 is installed to 4 gas outlet ends of reation kettle, ammonia piggy bank 3 and the installation of second pipeline 62 intercommunication, install nitrogen oxide sensor 7 and temperature sensor 8 on the second pipeline 62, install nitrogen oxide sensor 7 on the third pipeline 63, temperature sensor 8 and ammonia gas concentration sensor 9, increase the temperature that discharges out the flue gas from diesel generator 1 during 2 purposes of pre-heater, the abundant going on of chemical reaction of once, the purpose that reation kettle 4 set up is in order to make the more abundant going on of reaction.
The second embodiment is as follows: the embodiment is described with reference to fig. 1, and based on the first specific embodiment, the simulation experiment platform for the nitrogen oxide emission control system of the shipborne diesel engine unit of the embodiment further includes a plurality of supports 5, the preheater 2, the second pipeline 62, the reaction kettle 4 and the third pipeline 63 are supported and installed by the supports 5, the supports 5 play a role in supporting and connecting, and the preheater 2, the second pipeline 62, the reaction kettle 4 and the third pipeline 63 are coaxially disposed.
The third concrete implementation mode: this embodiment is explained in connection with fig. 1, this embodiment's a ship-borne diesel engine set nitrogen oxide emission control system simulation experiment platform, the delivery port of aqueous ammonia savings tank 3 goes out and installs pipe 31, the pipe 31 other end probes into second pipeline 62, and spray the aqueous ammonia in to second pipeline 62 through aqueous ammonia nozzle 32, and aqueous ammonia nozzle 32 is located between nitrogen oxide sensor 7 and the temperature sensor 8 on second pipeline 62, the setting of aqueous ammonia nozzle 32, make the aqueous ammonia injection materialization, increased the area with flue gas contact reaction, improve reaction efficiency, can the corresponding production change of temperature after flue gas and aqueous ammonia reaction, and then detect the temperature more accurately again.
The fourth concrete implementation mode: referring to fig. 1, the embodiment is described, and a simulation experiment platform of the nitrogen oxide emission control system of the shipborne diesel engine set of the embodiment is provided with a booster pump 33, which is mounted on the conduit 31 and aims to increase the pressure and control the switch so as to ensure that ammonia water can be injected into the second pipeline 62 from the ammonia water storage tank 3 in a controllable manner.
The fifth concrete implementation mode: the embodiment is described with reference to fig. 1, and the ammonia water storage tank 3 is provided with a glass tube liquid level meter 34 in a matching manner, so that the content of ammonia water in the ammonia water storage tank 3 can be monitored in real time.
The sixth specific implementation mode: the embodiment is described with reference to fig. 1, and the simulation experiment platform for the nitrogen oxide emission control system of the shipborne diesel engine unit of the embodiment further comprises a PLC control cabinet 10, wherein the PLC control cabinet 10 is electrically connected with the preheater 2, the nitrogen oxide sensor 7, the temperature sensor 8, the ammonia concentration sensor 9 and the booster pump 33 respectively.
The seventh embodiment: the embodiment is described with reference to fig. 1, and the work flow of the simulation experiment platform for the nitrogen oxide emission control system of the shipborne diesel engine set of the embodiment is as follows:
generating smoke gas for the power generation operation of a target diesel generator 1, enabling the smoke gas to enter a preheater 2 through a first pipeline 61 for heating treatment, controlling the temperature in the preheater 2 to be 400 +/-20 ℃ by a PLC (programmable logic controller) 10, controlling the temperature of the smoke gas to reach the optimum reaction temperature range of NH3, and detecting NO in the smoke gas before reaction by a nitrogen oxide sensor 7 on a second pipeline 62xThe content of NOx in the flue gas after reaction is detected by a nitrogen oxide sensor 7 on a third pipeline 63, temperature data are collected and detected by a temperature sensor 8, the concentration of escaped ammonia gas is detected by an ammonia gas concentration sensor 9, and the data are transmitted to a PLC control cabinet 10 for sampling;
the booster pump 33 is controlled by the PLC 10 in a closed loop PID way to control the spraying of the urea solution, namely ammonia water, so that the actual performance of the SCR catalyst can reach the maximumPreferably, the measured value of the sensor is compared with the diesel test NOxAfter the estimation, a booster pump 33 is commanded to extract a certain quantity of urea solution through a conduit 31 and into the second pipe 62 through an ammonia nozzle 32. The urea solution in the second pipe 62 decomposes into NH at high temperature3And H2And the O and the exhaust gas are uniformly mixed and then enter an SCR reaction kettle 7. Under the action of catalyst in reaction kettle 4, NH3Adding NOXRapidly reduced to N2And H2And O, discharging the treated flue gas through a third pipeline 63, and uniformly recovering.
The test result verifies the effectiveness of the steady-state urea injection control strategy, the influence of various SCR control systems on the exhaust gas temperature, the air speed and the ammonia nitrogen ratio on the ammonia storage characteristics of the SCR catalyst and the influence of the ammonia storage amount of the SCR catalyst on the NOx conversion efficiency and the NH3 escape rate are determined by utilizing a simulation experiment platform, and the optimal ammonia nitrogen ratio and the optimal urea injection amount are given.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
It should be noted that, in the above embodiments, as long as the technical solutions can be aligned and combined without contradiction, those skilled in the art can exhaust all possibilities according to the mathematical knowledge of the alignment and combination, and therefore, the present invention does not describe the technical solutions after alignment and combination one by one, but it should be understood that the technical solutions after alignment and combination have been disclosed by the present invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a ship-borne diesel engine group nitrogen oxide discharges control system simulation experiment platform which characterized in that: including diesel generator (1), pre-heater (2), aqueous ammonia accumulator (3) and reation kettle (4), diesel generator (1) and pre-heater (2) are installed through first pipeline (61) intercommunication, pre-heater (2) and reation kettle (4) are installed through second pipeline (62) intercommunication, third pipeline (63) are installed to reation kettle (4) gas outlet end, aqueous ammonia accumulator (3) and second pipeline (62) intercommunication installation, install nitrogen oxide sensor (7) and temperature sensor (8) on second pipeline (62), install nitrogen oxide sensor (7) on third pipeline (63), temperature sensor (8) and ammonia concentration sensor (9).
2. The simulation experiment platform for the nitrogen oxide emission control system of the shipborne diesel engine set according to claim 1, characterized in that: still include a plurality of supports (5), preheater (2), second pipeline (62), reation kettle (4) and third pipeline (63) all support the installation through support (5).
3. The simulation experiment platform for the nitrogen oxide emission control system of the shipborne diesel engine set according to claim 1, characterized in that: the preheater (2), the second pipeline (62), the reaction kettle (4) and the third pipeline (63) are coaxially arranged.
4. The simulation experiment platform for the nitrogen oxide emission control system of the shipborne diesel engine set according to claim 1, characterized in that: a guide pipe (31) is installed at a water outlet of the ammonia water storage tank (3), the other end of the guide pipe (31) is inserted into the second pipeline (62), ammonia water is sprayed into the second pipeline (62) through an ammonia water nozzle (32), and the ammonia water nozzle (32) is located between the nitrogen oxide sensor (7) and the temperature sensor (8) on the second pipeline (62).
5. The simulation experiment platform for the nitrogen oxide emission control system of the shipborne diesel engine set according to claim 4, characterized in that: and a booster pump (33) is arranged on the conduit (31).
6. The simulation experiment platform for the nitrogen oxide emission control system of the shipborne diesel engine set according to claim 4, characterized in that: and a glass tube liquid level meter (34) is arranged on the ammonia water storage tank (3) in a matching way.
7. The simulation experiment platform for the nitrogen oxide emission control system of the shipborne diesel engine set according to claim 5, wherein the simulation experiment platform comprises: still include PLC switch board (10), PLC switch board (10) respectively with pre-heater (2), nitrogen oxide sensor (7), temperature sensor (8), ammonia concentration sensor (9) and booster pump (33) electric connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120363409.5U CN214304018U (en) | 2021-02-09 | 2021-02-09 | Simulation experiment platform for nitrogen oxide emission control system of shipborne diesel engine set |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120363409.5U CN214304018U (en) | 2021-02-09 | 2021-02-09 | Simulation experiment platform for nitrogen oxide emission control system of shipborne diesel engine set |
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| CN214304018U true CN214304018U (en) | 2021-09-28 |
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| CN202120363409.5U Expired - Fee Related CN214304018U (en) | 2021-02-09 | 2021-02-09 | Simulation experiment platform for nitrogen oxide emission control system of shipborne diesel engine set |
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Granted publication date: 20210928 |