CN104033222A - Tail gas purifying device of explosion-proof diesel engine - Google Patents

Tail gas purifying device of explosion-proof diesel engine Download PDF

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Publication number
CN104033222A
CN104033222A CN201410302444.0A CN201410302444A CN104033222A CN 104033222 A CN104033222 A CN 104033222A CN 201410302444 A CN201410302444 A CN 201410302444A CN 104033222 A CN104033222 A CN 104033222A
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CN
China
Prior art keywords
explosion
tail gas
diesel engine
proof diesel
engine device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410302444.0A
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Chinese (zh)
Inventor
帅石金
华伦
赵彦光
胡准
潘金冲
乌玉阁
松岗宽
守屋秀树
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Automotive Research Institute of Tsinghua University
ACR Co Ltd
Original Assignee
Suzhou Automotive Research Institute of Tsinghua University
ACR Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Automotive Research Institute of Tsinghua University, ACR Co Ltd filed Critical Suzhou Automotive Research Institute of Tsinghua University
Priority to CN201410302444.0A priority Critical patent/CN104033222A/en
Publication of CN104033222A publication Critical patent/CN104033222A/en
Pending legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Exhaust Gas After Treatment (AREA)

Abstract

The invention discloses a tail gas purifying device of an explosion-proof diesel engine. The tail gas purifying device comprises a shell, the shell comprises an outer shell body and an inner shell body, a heat insulation layer is arranged between the outer shell body and the inner shell body, a catalytic converter is arranged in the inner shell body, and the catalytic converter comprises a carrier and catalysts. Tail gas emissions of a mining explosion-proof diesel vehicle under a mine are reduced, modifying design and a series of heat insulation measures are carried out on the catalysts, and the surface temperature is made to be lower than the safety temperature of 150 DEG C.

Description

A kind of purifying tail gas of explosion-proof diesel engine device
Technical field
the present invention relates to anti-explosion diesel engine tail gas processing technology field, be specifically related to a kind of purifying tail gas of explosion-proof diesel engine device.
Background technique
diesel engine has advantages of that the torque of thermal efficiency high, low speed is large and Power coverage is wide, thereby engineering machine vehicle almost all adopts diesel engine.Mine anti-explosion diesel-oil vehicle belongs to engineering machine vehicle, and it is the necessary machinery that power is provided in mining, transport.Due to narrow space under ore deposit, ventilation condition is poorer than ground, and in anti-explosion diesel engine tail gas, containing the harmful gases such as CO, HC, NOx and various solid particle has great harm to underground work personnel healthy.Exhaust emissions limit value by rules and regulations anti-explosion diesel engine for mine: the volume concentration of CO is 1000ppm, the volume concentration of NO is 800ppm.Although now widely used anti-explosion diesel engine can filter soot by water-cooled waste gas treatment tank, but CO, the HC, the NOx etc. that are insoluble in water are not almost had to catharsis, therefore in order effectively to reduce the dissolved organic matter in diesel engine CO, HC and particulate matter, can adopt exhaust gas cleaner.Because its surface temperature of the standard-required of mine explosion-proof diesel locomotive can not exceed 150 DEG C, so the surface temperature of purification plant can not exceed 150 DEG C.
Summary of the invention
the object of this invention is to provide a kind of purifying tail gas of explosion-proof diesel engine device, reduced the exhaust emissions of mine anti-explosion diesel-oil vehicle under mine, be issued to Abgasgesetz standard in the prerequisite that meets requirement of explosion proof.
technological scheme of the present invention is: a kind of purifying tail gas of explosion-proof diesel engine device, comprise housing, described housing comprises frame and inner housing, is provided with thermal-protective coating in the middle of described inner housing and frame, in described inner casing, be provided with catalyst converter, described catalyst converter comprises carrier and catalyzer.
the inlet end of described housing is provided with perforated tube and porous slab, and described perforated tube is arranged on the position that inlet end is parallel to airflow direction, and described porous slab is arranged on the position of inlet end perpendicular to airflow direction, and described exhaust end is provided with exhaust honeycomb duct.
the aperture of described perforated tube and porous slab is 2-5cm.
the carrier of described catalyst converter is made up cellular of nichrome, the length of described carrier is 20-100cm, and the order number in described nest hole is 200-600.
the thickness of described thermal-protective coating is 1-6cm, one or more polystyrene, polyimide, urethane foam, glass asbestos during described thermal-protective coating employing is following.
described catalyzer main component is platinum and palladium.
described frame and inner housing connecting end are provided with movably sliding plate.
advantage of the present invention is:
1. adopted metal low temp catalyst coated on carrier, initiation temperature is 150 DEG C-160 DEG C, is better than the performance of other same devices;
2. the thermal-protective material adopting makes the safety temperature of surface temperature lower than rules and regulations;
3. adopted sliding plate to prevent from making housing distortion or damage after thermal-protective material expanded by heating;
4. air inlet adopts perforated tube and porous slab to make air-flow full and uniform, and plays certain soundproof effect.
Brief description of the drawings
below in conjunction with drawings and Examples, the invention will be further described:
fig. 1 is the structural representation of purifying tail gas of explosion-proof diesel engine device of the present invention;
fig. 2 is the structural representation of the porous slab of purifying tail gas of explosion-proof diesel engine device of the present invention.
Embodiment
for making the object, technical solutions and advantages of the present invention more cheer and bright, below in conjunction with embodiment and with reference to accompanying drawing, the present invention is described in more detail.Should be appreciated that, these descriptions are exemplary, and do not really want to limit the scope of the invention.In addition, in the following description, omitted the description to known features and technology, to avoid unnecessarily obscuring concept of the present invention.
embodiment:
the invention provides a kind of exhaust gas cleaner of anti-explosion diesel engine.As shown in Figure 1, this device is mainly made up of frame 4 and inner housing 5, and inner housing 5 is provided with thermal-protective coating 7 with frame 4 is middle, is provided with catalyst converter 8 in inner casing 5, and catalyst converter 8 comprises carrier and catalyzer.
the inlet end of this device is provided with perforated tube 2 and porous slab 3, perforated tube 2 is arranged on the position that inlet end is parallel to airflow direction, porous slab 3 is arranged on the position of inlet end perpendicular to airflow direction, the aperture in the hole 11 on perforated tube 2 and porous slab 3 is 2cm-5cm, it is 20-50 in the quantity in the location arrangements hole 11 of perforated tube 2, be 20-60 (as shown in Figure 2) in the quantity in the location arrangements hole 11 of porous slab 3, be provided with exhaust honeycomb duct 9 at the exhaust end of this device.
it is cellular that the carrier of catalyst converter 8 adopts nichrome to be rolled into, carrier lengths 20cm-100cm, and the order number in hole is 200-600, catalyzer main component is platinum and palladium.There is violent redox reaction on surface, carrier duct in harmful gas CO and HC, generates harmless CO2 and water, and reaction product and part do not have oxidized CO and HC to discharge by exhaust honeycomb duct 9.
thermal-protective coating 7 adopts polystyrene, polyimide, urethane foam, glass asbestos etc., and wherein one or more are high temperature resistant as thermal insulation material, thereby make the low safety temperature with rules and regulations of surface temperature, 150 DEG C.According to the performance of thermal insulation material, the thickness of thermal-protective coating is between 1cm-6cm.
in order to prevent after thermal-protective material expanded by heating housing distortion or damage, frame and inner housing connecting end are provided with movably sliding plate, affected by tension force can bounce back, and in the time of temperature rise, sliding plate, to front slide, prevents the destruction of thermal-protective material to housing.
described purifying tail gas of explosion-proof diesel engine device working procedure is: take the exhaust duct of explosion precaution to be connected with the flange of taking explosion precaution by import screw hole 1 with suction tude, exhaust end is connected with exhaust duct by outlet tapped hole 10; Exhaust enters carrier duct by perforated tube; In carrier duct, there is violent redox reaction; Carbon dioxide (CO2) and water that harmful carbon monoxide (CO) and hydrocarbon (HC) oxidized generation under the effect of catalyzer are harmless; Do not have oxidized CO and HC to discharge CO2, water and small part by exhaust honeycomb duct 9.
described anti-explosion diesel engine metal low temp oxidation catalytic converter is under the protection of thermal-protective material, and whole catalyst converter surface temperature is lower than the safety temperature of 150 DEG C of rules and regulations.
should be understood that, above-mentioned embodiment of the present invention is only for exemplary illustration or explain principle of the present invention, and is not construed as limiting the invention.Therefore any amendment of, making, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in without departing from the spirit and scope of the present invention in the situation that.In addition, claims of the present invention are intended to contain whole variations and the modification in the equivalents that falls into claims scope and border or this scope and border.

Claims (7)

1. a purifying tail gas of explosion-proof diesel engine device, comprises housing, it is characterized in that, described housing comprises frame and inner housing, in the middle of described inner housing and frame, be provided with thermal-protective coating, in described inner casing, be provided with catalyst converter, described catalyst converter comprises carrier and catalyzer.
2. purifying tail gas of explosion-proof diesel engine device according to claim 1, it is characterized in that, the inlet end of described housing is provided with perforated tube and porous slab, described perforated tube is arranged on the position that inlet end is parallel to airflow direction, described porous slab is arranged on the position of inlet end perpendicular to airflow direction, and described exhaust end is provided with exhaust honeycomb duct.
3. purifying tail gas of explosion-proof diesel engine device according to claim 2, is characterized in that, the aperture of described perforated tube and porous slab is 2-5cm.
4. purifying tail gas of explosion-proof diesel engine device according to claim 1, is characterized in that, the carrier of described catalyst converter is made up cellular of nichrome, and the length of described carrier is 20-100cm, and the order number in described nest hole is 200-600.
5. purifying tail gas of explosion-proof diesel engine device according to claim 1, is characterized in that, the thickness of described thermal-protective coating is 1-6cm, one or more polystyrene, polyimide, urethane foam, glass asbestos during described thermal-protective coating employing is following.
6. purifying tail gas of explosion-proof diesel engine device according to claim 1, is characterized in that, described catalyzer main component is platinum and palladium.
7. purifying tail gas of explosion-proof diesel engine device according to claim 1, is characterized in that, described frame and inner housing connecting end are provided with movably sliding plate.
CN201410302444.0A 2014-06-30 2014-06-30 Tail gas purifying device of explosion-proof diesel engine Pending CN104033222A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410302444.0A CN104033222A (en) 2014-06-30 2014-06-30 Tail gas purifying device of explosion-proof diesel engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410302444.0A CN104033222A (en) 2014-06-30 2014-06-30 Tail gas purifying device of explosion-proof diesel engine

Publications (1)

Publication Number Publication Date
CN104033222A true CN104033222A (en) 2014-09-10

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104005815A (en) * 2014-05-23 2014-08-27 常州科研试制中心有限公司 Water-cooling-type tail gas cleanup device of explosion-proof diesel engine
CN104005822A (en) * 2014-05-23 2014-08-27 常州科研试制中心有限公司 Thermal-insulation tail gas cleanup device of explosion-proof diesel engine
CN104929739A (en) * 2015-07-06 2015-09-23 无锡华源凯马发动机有限公司 Integrated purification silencer for single cylinder diesel

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004263594A (en) * 2003-02-28 2004-09-24 Calsonic Kansei Corp Diesel particulate filter device
CN101821487A (en) * 2007-08-08 2010-09-01 日野自动车株式会社 Exhaust purification apparatus
CN202866945U (en) * 2012-09-28 2013-04-10 浙江吉利汽车研究院有限公司杭州分公司 Three-way catalytic purifier with heat protection function
CN104005822A (en) * 2014-05-23 2014-08-27 常州科研试制中心有限公司 Thermal-insulation tail gas cleanup device of explosion-proof diesel engine
CN204344208U (en) * 2014-06-30 2015-05-20 清华大学苏州汽车研究院(吴江) A kind of purifying tail gas of explosion-proof diesel engine device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004263594A (en) * 2003-02-28 2004-09-24 Calsonic Kansei Corp Diesel particulate filter device
CN101821487A (en) * 2007-08-08 2010-09-01 日野自动车株式会社 Exhaust purification apparatus
CN202866945U (en) * 2012-09-28 2013-04-10 浙江吉利汽车研究院有限公司杭州分公司 Three-way catalytic purifier with heat protection function
CN104005822A (en) * 2014-05-23 2014-08-27 常州科研试制中心有限公司 Thermal-insulation tail gas cleanup device of explosion-proof diesel engine
CN204344208U (en) * 2014-06-30 2015-05-20 清华大学苏州汽车研究院(吴江) A kind of purifying tail gas of explosion-proof diesel engine device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104005815A (en) * 2014-05-23 2014-08-27 常州科研试制中心有限公司 Water-cooling-type tail gas cleanup device of explosion-proof diesel engine
CN104005822A (en) * 2014-05-23 2014-08-27 常州科研试制中心有限公司 Thermal-insulation tail gas cleanup device of explosion-proof diesel engine
CN104005815B (en) * 2014-05-23 2016-07-06 常州科研试制中心有限公司 Anti-explosion diesel engine water-cooling type exhaust gas cleaner
CN104929739A (en) * 2015-07-06 2015-09-23 无锡华源凯马发动机有限公司 Integrated purification silencer for single cylinder diesel

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C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C53 Correction of patent of invention or patent application
CB03 Change of inventor or designer information

Inventor after: Hua Lun

Inventor after: Shuai Shijin

Inventor after: Song Gangkuan

Inventor after: Kanno Ryutoshi

Inventor after: Hu Zhun

Inventor after: Kitamura Takeaki

Inventor before: Shuai Shijin

Inventor before: Hua Lun

Inventor before: Zhao Yanguang

Inventor before: Hu Zhun

Inventor before: Pan Jinchong

Inventor before: Wu Yuge

Inventor before: Song Gangkuan

Inventor before: Yamaguchi Hidehiko

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: SHUAI SHIJIN HUA LUN ZHAO YANGUANG HU ZHUN PAN JINCHONG WU YUGE HIROSHI MATSUOKA HIDEKI MORIYA TO: HUA LUN SHUAI SHIJIN HIROSHI MATSUOKA RYUTOSHI KANNO HU ZHUN KITAMURA TAKEAKI

RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20140910