CN106523079A - Disinfecting and exhausting device for internal combustion engine - Google Patents

Disinfecting and exhausting device for internal combustion engine Download PDF

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Publication number
CN106523079A
CN106523079A CN201611076889.7A CN201611076889A CN106523079A CN 106523079 A CN106523079 A CN 106523079A CN 201611076889 A CN201611076889 A CN 201611076889A CN 106523079 A CN106523079 A CN 106523079A
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China
Prior art keywords
internal combustion
combustion engine
gas
pipeline
vacuum pump
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CN201611076889.7A
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Chinese (zh)
Inventor
钟建明
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Shenzhen Innovation Import & Export Trading Co Ltd
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Shenzhen Innovation Import & Export Trading Co Ltd
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Priority to CN201611076889.7A priority Critical patent/CN106523079A/en
Publication of CN106523079A publication Critical patent/CN106523079A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
    • G01N27/4073—Composition or fabrication of the solid electrolyte
    • G01N27/4074—Composition or fabrication of the solid electrolyte for detection of gases other than oxygen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)

Abstract

The invention relates to a disinfecting and exhausting device for an internal combustion engine. The disinfecting and exhausting device comprises a small-sized exhaust fan, a reaction kettle, a drying tank, a vacuum pump, a tubular one-way valve, the internal combustion engine, a dry ice chamber and a condensation tank, wherein the reaction kettle is connected with the drying tank through a pipeline; the driving tank is connected with the vacuum pump through a pipeline; the vacuum pump is connected with the tubular one-way valve through a pipeline; the tubular one-way valve is connected with the internal combustion engine through a pipeline; the dry ice chamber is arranged on an external exhaust pipe of the internal combustion engine; the condensation tank is arranged at the other side of the dry ice chamber; a high-efficiency filter is arranged at the other side of the condensation tank; the small-sized exhaust fan is connected onto the external exhaust pipe at one side of the high-efficiency filter; and a gas detection device is arranged between the high-efficiency filter and the small-sized exhaust fan. The gas detection device can be used for detecting the content of NO2 in gas exhausted from the internal combustion engine.

Description

A kind of internal combustion engine sterilization exhaust apparatus
Technical field
The application is related to field of internal combustion engine, more particularly to a kind of internal combustion engine sterilization exhaust apparatus.
Background technology
Internal-combustion engine system operationally, due to burning, can all produce various waste gas, wherein, especially with NO2Gas harm compared with Greatly, NO2Harm to human body is larger, mainly affects respiratory system, suction gas initial stage to only have slight eye and upper respiratory tract thorn Sharp symptom, such as throat discomfort, dry cough etc.；NO2It is the major pollutants of acid rain, acid mist, acid rain can destroy vegetation, causes soil acid Change, species are degenerated, and water body can also polluted, fish kills, NO2The destruction of ozone layer is participated in, more ultraviolet spoke is made Ground is mapped to, the sickness rate of skin carcinoma is increased, the immune system of people is affected.
The waste gas that internal combustion engine is produced needs to be acted upon through filtration, however, working as waste gas after treatment, if meet row Put standard unknown, need to detect which.
The content of the invention
The exhaust apparatus the present invention is intended to provide a kind of internal combustion engine is sterilized, to solve problem set forth above.
Provide a kind of internal combustion engine to sterilize exhaust apparatus in embodiments of the invention, including it is small-sized air exhauster, reactor, dry Dry tank, vacuum pump, tubular type check valve, internal combustion engine, dry ice room and drainer, the reactor are connected with drying chamber by pipeline Connect, the drying chamber is connected with vacuum pump by pipeline, the vacuum pump is connected with tubular type check valve by pipeline, the tubular type Check valve is connected with internal combustion engine by pipeline, is provided with dry ice room on the outer exhaustor of the internal combustion engine, the dry ice room it is another Side is provided with drainer, and the opposite side of the drainer is provided with high efficiency particulate air filter, on the outer exhaustor of high efficiency particulate air filter side Connect small-sized air exhauster, between the high efficiency particulate air filter and small-sized air exhauster, be provided with gas-detecting device, the gas-detecting device The NO in internal combustion engine expellant gas can be detected2Content.
The technical scheme that embodiments of the invention are provided can include following beneficial effect：
Waste gas after the internal-combustion engine system work of the present invention has obtained effective process, is then discharged in air again, also, Before discharge, NO is have passed through2Content detection, reliability are high, and environmental protection is free from environmental pollution, so as to solve problem set forth above.
The aspect and advantage that the application is added will be set forth in part in the description, and partly will become from the following description Obtain substantially, or recognized by the practice of the application.It should be appreciated that the general description of the above and detailed description hereinafter are only It is exemplary and explanatory, the application can not be limited.
Description of the drawings
Using accompanying drawing, the invention will be further described, but the embodiment in accompanying drawing does not constitute any limit to the present invention System, for one of ordinary skill in the art, on the premise of not paying creative work, can be being obtained according to the following drawings Other accompanying drawings.
Fig. 1 is the structural representation of inventive combustion engine sterilization exhaust apparatus.
Fig. 2 is NO of the present invention2The structural representation of gas sensing device.
Specific embodiment
Here in detail exemplary embodiment will be illustrated, its example is illustrated in the accompanying drawings.Explained below is related to During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment Described in embodiment do not represent and the consistent all embodiments of the present invention.Conversely, they be only with as appended by The example of consistent apparatus and method in terms of some described in detail in claims, the present invention.
Embodiments herein is related to a kind of internal combustion engine sterilization exhaust apparatus, such as Fig. 1, including small-sized air exhauster 1, reactor 2nd, drying chamber 3, vacuum pump 4, tubular type check valve 5, internal combustion engine 6, dry ice room 7 and drainer 8, the reactor 2 pass through pipeline It is connected with drying chamber 3, the drying chamber 3 is connected with vacuum pump 4 by pipeline, the vacuum pump 4 is unidirectional with tubular type by pipeline Valve 5 connects, and the tubular type check valve 5 is connected with internal combustion engine 6 by pipeline, is provided with dry ice on 6 outer exhaustor of the internal combustion engine Room 7, the opposite side of the dry ice room 7 are provided with drainer 8, and the opposite side of the drainer 8 is provided with high efficiency particulate air filter 9, high Connect small-sized air exhauster 1 on the outer exhaustor of 9 side of effect filter, be provided between the high efficiency particulate air filter 9 and small-sized air exhauster 1 Gas-detecting device 12, the gas-detecting device 12 can detect the NO in internal combustion engine expellant gas2Content, the internal combustion engine Amortisseur 11 is installed below 6.
Waste gas after the internal-combustion engine system work of the present invention has obtained effective process, is then discharged in air again, also, Before discharge, NO is have passed through2Content detection, reliability are high, and environmental protection is free from environmental pollution.
The gas-detecting device 12 includes NO2Gas sensing device and it is electrically connected alarm device, NO2Gas sensing Device can detect NO in waste gas2Content, and by detection signal output to alarm device, when detection signal is more than setting value, Alarm device works, and reminds NO in staff's waste gas2Content overproof.
Preferably, Fig. 2 is herein described NO2The structural representation of gas sensing device, the NO2Gas sensing device is Tubular type hot type solid electrolyte formula NO2Gas sensing device；Specifically, the NO2Gas sensing device is with tubular type Al2O3Ceramics Pipe 10 is substrate, and surface is provided with NASICON materials as solid electrolyte layer 60, in Al2O3The two ends of earthenware 10, solid electricity Au films 30 are provided with solution matter layer 60, on the Au films 30, Al2O3One end of earthenware 10 is Pt electrodes 40, and the other end is Pt Electrode 40 and sensitive electrode 50, in Al2O3There is heating coil 20 in the middle of earthenware 10 through as heater；The solid electrolytic Matter layer 60 is the NASICON solid electrolytes prepared using high temperature solid-state method, and its high temperature sintering temperature is 1050 DEG C, NASICON The average particle size of solid electrolyte is 30nm.
In the application, the NASICON solid electrolytes prepared using high temperature solid-state method do the solid electrolyte of sensing device Layer, the prepared NASICON solid electrolyte powders are loose, it is easy to which compressing, manufacturing process is simple and practical.
Preferably, WO of the sensitive electrode 50 for doping3Nano material, the WO of the doping3Institute's dopant in nano material For SiO2、SnO2And Li2CO3, its quality meets equation below：
A=(X+Y)/10
In the formula, A is SiO2Mass fraction, X is SnO2Mass fraction, Y is Li2CO3Mass fraction, and And, the value of A is 4～7.
Sensitive electrode is WO3Nano material, the WO3Nano material is doped with SiO2、SnO2And Li2CO3, it is specific as follows：Institute State the WO of doping3Doped with SiO in nano material2, which can suppress WO3Growing up for nanocrystal, reduces granularity, due to WO3 Impact of the granularity of nano material to its air-sensitive performance is larger, works as WO3Nano material increases in specific less granularity The big WO3Nano material and the contact area of gas, improve the sensitivity of air-sensitive；The WO of the doping3Mix in nano material It is miscellaneous to have SnO2, SnO2Equally to NO2Gas shows gas sensing property, in the sensitive electrode of the application, WO3Nano material and SnO2Mixing, Single gas sensitive is prevented to NO2The erroneous judgement of gas, WO3Nano material and SnO2Synergism, increased the standard of testing result True property；The WO of the doping3Doped with Li in nano material2CO3, the Li2CO3The good hygroscopicity of performance, in wet condition, In environment, steam is by the NO of the application2Sensitive electrode in gas sensing device is adsorbed, and then affects the accurate of detection data Property, when in sensitive electrode doped with Li2CO3, it greatly reduces Adsorption Effect of the steam to sensitive electrode in environment.
The NO of the application2Gas sensing device prepares as follows：
Step one, prepares NASICON solid electrolytes
Choose Na3PO4·12H2O, ZrSiO4, SiO2Mix according to stoichiometric proportion, be fully ground 10h, obtain mixture, Then ground mixture is placed in ceramics side's ship, is put in high temperature resistance furnace, arrived according to the ramp of 5 DEG C/min 800 DEG C, 2h is incubated, then quick (14 DEG C/min) are warmed up to 1050 DEG C, is incubated 20h, then at the uniform velocity lower the temperature (8 DEG C/min) to 500 DEG C, last Temperature fall is to room temperature；Mixture through high temperature sintering by more than is taken out from stove, grinds to form superfine powder, i.e., Obtain NASICON solid electrolytes.
Step 2, prepares the WO of doping3Nano material
A certain amount of ammonium tungstate is weighed, is put in Muffle furnace, 2h is sintered at 500 DEG C, now ammonium tungstate decomposes, and obtains Powder, after its cooling, powder is put in Achatess grinding ware, then according to certain proportion adds SiO2、SnO2And Li2CO3Powder End, grinds 2h, obtains the WO for adulterating3Nano material.
Step 3, prepares NO2Gas sensing device
A) choose Al2O3Earthenware, dries after cleaning, and earthenware specification is pipe range 10mm, thickness of pipe wall 0.5mm, and external diameter is 1.5mm；
B) the NASICON solid electrolytes obtained in step one are added into deionized water, grinds to form starchiness, then use Spin-coating method is uniformly coated in Al2O3Ceramic pipe surface；
C) by Al2O3Earthenware is put in resistance furnace, sinters 1.5h at 700 DEG C；
D) repeat step b, c twice, then by Al2O3Earthenware high temperature sintering 8h at 900 DEG C, forms thickness for 0.3mm NASICON solid electrolyte layers；
E) and then in Al2O3The two ends of earthenware prepare layer of Au film, and thickness is 500 μm, draws Pt on Au films surface electric Pole, sintering temperature are 500 DEG C；
F) in Al2O3One end of earthenware, prepares sensitive electrode according to the method for b, c, d, and Au films are completely covered, another The Pt electrodes at end are used as reference electrode；
G) and then by heating coil pass through Al2O3Earthenware is used as heater；
H) finally wire is welded on Pt electrodes and sensitive electrode, obtains NO2Gas sensing device.
The NO in this case being prepared by the application2Gas sensing device is tested, and heating coils heat temperature is adjusted To 150 DEG C, the operating current between Pt electrodes and sensitive electrode is fixed as 180mA, in the NO of fixed concentration2In gaseous environment, survey Amount is in the case of different sensitive electrode proportionings to NO2The sensitivity of gas, as a result such as table 1, wherein, it is described herein sensitive Degree is defined as：Under identical heating-up temperature and operating current, NO of the electric potential difference in fixed concentration between Pt electrodes and sensitive electrode2 Ratio in gaseous environment and in air.
Above-mentioned table 1 shows, lacks a kind of reduction that can cause sensitivity in three kinds of dopants of the application.Table 1 is quick Sensitivity under the different ratio of sense electrode.
Doping mass fraction Sensitivity
SiO2- 4%, SnO2- 20%, Li2CO3- 20% 1487
SiO2- 5%, SnO2- 25%, Li2CO3- 25% 1044
SiO2- 6%, SnO2- 30%, Li2CO3- 30% 783
SiO2- 7%, SnO2- 40%, Li2CO3- 30% 1566
In the technical scheme of the application, when the gas of combustion in IC engine generation is after filtration, need through NO2Gas is passed The detection of induction device, which is for NO2The sensitivity of gas is high, highly reliable, has ensured the feasibility of the technical scheme of the application.
The preferred mode of the present invention is the foregoing is only, it is not to limit the present invention, all in the spiritual and former of the present invention Within then, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.

Claims (3)

1. a kind of internal combustion engine is sterilized exhaust apparatus, including small-sized air exhauster, reactor, drying chamber, vacuum pump, tubular type check valve, Internal combustion engine, dry ice room and drainer, it is characterised in that the reactor is connected with drying chamber by pipeline, the drying chamber It is connected with vacuum pump by pipeline, the vacuum pump is connected with tubular type check valve by pipeline, the tubular type check valve is by pipe Road is connected with internal combustion engine, is provided with dry ice room on the outer exhaustor of the internal combustion engine, and the opposite side of the dry ice room is provided with condensation Tank, the opposite side of the drainer are provided with high efficiency particulate air filter, connect small-sized convulsion on the outer exhaustor of high efficiency particulate air filter side Machine, is provided with gas-detecting device between the high efficiency particulate air filter and small-sized air exhauster, and the gas-detecting device can detect internal combustion NO in machine expellant gas2Content.
2. a kind of internal combustion engine according to claim 1 is sterilized exhaust apparatus, it is characterised in that：Install below the internal combustion engine There is amortisseur.
3. a kind of internal combustion engine according to claim 2 is sterilized exhaust apparatus, it is characterised in that the gas-detecting device bag Include NO2Gas sensing device and the alarm device being electrically connected；The NO2Gas sensing device is tubular type hot type solid electrolytic Matter formula NO2Gas sensing device.
CN201611076889.7A 2016-11-29 2016-11-29 Disinfecting and exhausting device for internal combustion engine Pending CN106523079A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611076889.7A CN106523079A (en) 2016-11-29 2016-11-29 Disinfecting and exhausting device for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611076889.7A CN106523079A (en) 2016-11-29 2016-11-29 Disinfecting and exhausting device for internal combustion engine

Publications (1)

Publication Number Publication Date
CN106523079A true CN106523079A (en) 2017-03-22

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201141848Y (en) * 2008-01-14 2008-10-29 吉林大学 Integrated dual-function NASICON solid electrolyte gas sensor
CN101646847A (en) * 2007-02-21 2010-02-10 沃尔沃拉斯特瓦格纳公司 Control method for controlling an exhaust aftertreatment system and exhaust aftertreatment system
CN203337394U (en) * 2013-07-18 2013-12-11 安徽商贸职业技术学院 Automobile exhaust detection system
CN103903412A (en) * 2014-03-28 2014-07-02 哈尔滨工程大学 CAN (Controller Area Network) bus to 4-20mA data signal conversion device for NOx sensor
CN204716355U (en) * 2015-06-04 2015-10-21 含山县全兴内燃机配件有限公司 A kind of internal-combustion engine sterilization venting gas appliance
CN105158315A (en) * 2015-09-21 2015-12-16 上海应用技术学院 NASICON-based method for preparing current type NOX sensor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101646847A (en) * 2007-02-21 2010-02-10 沃尔沃拉斯特瓦格纳公司 Control method for controlling an exhaust aftertreatment system and exhaust aftertreatment system
CN201141848Y (en) * 2008-01-14 2008-10-29 吉林大学 Integrated dual-function NASICON solid electrolyte gas sensor
CN203337394U (en) * 2013-07-18 2013-12-11 安徽商贸职业技术学院 Automobile exhaust detection system
CN103903412A (en) * 2014-03-28 2014-07-02 哈尔滨工程大学 CAN (Controller Area Network) bus to 4-20mA data signal conversion device for NOx sensor
CN204716355U (en) * 2015-06-04 2015-10-21 含山县全兴内燃机配件有限公司 A kind of internal-combustion engine sterilization venting gas appliance
CN105158315A (en) * 2015-09-21 2015-12-16 上海应用技术学院 NASICON-based method for preparing current type NOX sensor

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Y. WANGA, X.S. YANGA, Z.Q. LI: "Current–voltage characteristics and grain growth of Li2CO3-doped tungsten trioxide ceramics", 《MATERIALS RESEARCH BULLETIN》 *
何月华: "NASICON材料的气敏及发光特性研究", 《中国优秀博士学位论文全文数据库信息科技辑》 *
方国家、王汉忠、木昌洪等: "WO3-SnO2薄膜的溶胶-凝胶制备及其气敏特性研究", 《郑州轻工业学院学报（自然科学版）》 *
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Application publication date: 20170322