CN207111211U - The on-line measurement device of particulate matter in a kind of engine of boat and ship exhaust contaminant - Google Patents
The on-line measurement device of particulate matter in a kind of engine of boat and ship exhaust contaminant Download PDFInfo
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- CN207111211U CN207111211U CN201721041790.3U CN201721041790U CN207111211U CN 207111211 U CN207111211 U CN 207111211U CN 201721041790 U CN201721041790 U CN 201721041790U CN 207111211 U CN207111211 U CN 207111211U
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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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Abstract
The utility model discloses a kind of on-line measurement device of particulate matter in engine of boat and ship exhaust contaminant, including diluent air filter, flow measurement device, dilution tunnel, particulate sampling system, differential pressure pickup and grade Dynamic sampling probe, the air inlet of the diluent air filter leads to air, the gas outlet of diluent air filter is connected by delivery pipe with first pressure blower fan, first pressure blower fan is connected by the inlet end of flow measurement device and dilution tunnel, the outlet side of dilution tunnel is connected with second pressure blower fan, tail gas discharging pipe is connected by delivery pipe with the air inlet of second pressure blower fan, particulate sampling system is connected by delivery pipe with dilution tunnel, described device is simple in construction, it is easy to use, with the high superior function of degree of detection.
Description
Technical field
Vent gas treatment field is the utility model is related to, more particularly, to particulate matter in a kind of engine of boat and ship exhaust contaminant
On-line measurement device.
Background technology
Shipping industrial development is rapid, turns into the main force of logistics, cargo handling capacity 107.8 is completed at national harbour within 2015
Hundred million tons, wherein foreign trade handling capacity is 38 and 51 times in 1978 respectively, the traffic of a port keeps generation for years up to 30.6 hundred million tons
Boundary first.
But marine diesel exhaust emissions：Emission harm is big, discharge capacity is big, seriously polluted.Contain in the exhaust of ship machine
The exhaust contaminants such as carbon monoxide, hydrocarbon, oxynitrides, sulfur dioxide, particulate matter.American National Environmental Protection Agency is by bavin
40 multiple compounds of oil machine discharge have been included in " Hazardous Air Polluant inventory "（HAPs）, such as：Formaldehyde, acetaldehyde, 1,3- fourths
The compound of the metal such as diene, benzene, multiring aromatic hydrocarbon and arsenic, lead, mercury, manganese.
In relevant laws and regulations, for environmental requirement, state's laws, regulation improve granular material discharged requirement.Such as air
Prevention and cure of pollution method》Formally implement etc. a series of relevant laws and regulations, Environmental Protection Department is formally issued《Engine of boat and ship exhaust pollution
Thing emission limit and measuring method（Chinese first and second stage）》（GB15097-2016）.
But ship tail gas Study on treatment technology present situation：Foreign countries' monopolization, domestic blank.The mark administered by domestic ship tail gas
It is accurate and backward in technique, to be compared with developed country, GB15097-2016 first stage is suitable with the standard that current Europe is implemented,
The standard that second stage and U.S.'s phase III implement is suitable.
Diesel oil used in diesel engine contains the oily substance of a large amount of high-flashes, causes it to be burnt in cylinder of diesel engine far
Be far from light oil thoroughly, this result in containing a large amount of poisonous and harmful substances in tail gas, include carbon monoxide, sulfur dioxide, nitrogen oxygen
Compound, hydrocarbon, or even also have the material of still unburned microlayer model oils and class pitch.Particulate matter is to health
Influence of the harm mainly to heart and respiratory system, such as：Premature death, it is short of breath and angiocardiopathy；PFT changes
With respiratory disorder increase；Lung tissue and structural change；Respiratory system defensive enginery decline etc..Fine particulates are to cause the heart
The main reason for blood vessel and respiratory disorder, serious harm can be produced to health.Diesel engine exhaust particulate matter（PM）It is very small,
Alveolar parietal layer can be penetrated, containing the material and carcinogenic substance that can induce mutant organism, according to American National toxicology project
Report in the particulate matter of diesel engine emissions, there is 98% diameter to be less than 10 microns（PM10）, 94% is less than 2.5 microns
（PM2.5）, 92% is less than 1 micron（PM1).The result of study of American National Environmental Protection Agency shows in occupational disease research, there is phase
When more evidences shows, in the past commonly using diesel engine various professional workers lung cancer morbidity rate with and diesel emission
The contact of thing has significant correlation.The risk assessment study for the fine particle that the U.S. is discharged to diesel engine shows that environment is empty
Often increase by 10 micrograms/m3 in gas, the cancer mortality thus triggered may increase by 1%.
Utility model content
The utility model is to overcome the above situation insufficient, it is desirable to provide a kind of technical scheme that can be solved the above problems.
The on-line measurement device of particulate matter in a kind of engine of boat and ship exhaust contaminant, including diluent air filter, stream
Measuring device, dilution tunnel, particulate sampling system, differential pressure pickup and Dynamic sampling is waited to pop one's head in, the diluent air filtering
The air inlet of device leads to air, and the gas outlet of diluent air filter is connected by delivery pipe with first pressure blower fan, the first pressure
Power blower fan is connected by the inlet end of flow measurement device and dilution tunnel, outlet side and the second pressure blower fan phase of dilution tunnel
Connection, tail gas discharging pipe are connected by delivery pipe with the air inlet of second pressure blower fan, and particulate sampling system passes through delivery pipe
Connected with dilution tunnel.
As further program of the utility model：The dilution tunnel has sufficiently long length so that exhaust and it is dilute
Release air to be sufficiently mixed under turbulent-flow conditions, and by stainless steel making, exceed 75mm dilution tunnel to internal diameter, its thickness and
Diameter ratio should be less than or equal to 0.025, be less than or wait 75mm dilution tunnel to internal diameter, and its wall thickness is not less than 1.5mm;It is right
Part stream sampling type, internal diameter are at least 75mm, for full stream sampling type, recommend internal diameter to be at least 75mm.
As the utility model further scheme：The heating that can preheat sample gas is provided with inside the dilution tunnel
Internal thread.
As the utility model further scheme：Flow is provided between the tail gas discharging pipe and second pressure blower fan
Controller and differential pressure pickup.
As the utility model further scheme：The inwall of the tail gas discharging pipe, which is provided with, waits Dynamic sampling to visit
Head, wait Dynamic sampling pop one's head in one end be connected by delivery pipe with differential pressure pickup, wait Dynamic sampling probe other one end with it is dilute
Release the inwall connection of passage.
As the utility model further scheme：The delivery pipe is no more than 5m;It is straight that diameter is equal to or more than probe
Footpath, but it is no more than 25mm;Discharged on the center line of dilution tunnel, for the downstream.
As the utility model further scheme：Nytron can be eliminated by containing in the diluent air filter
The activated carbon of thing.
Compared with prior art, the beneficial effects of the utility model are：
The on-line measurement device of particulate matter in the engine of boat and ship exhaust contaminant of the present invention, by tail gas discharging pipe by tail
After gas carries out corresponding technical finesse so that tail gas, which be sufficiently mixed, to be met after test condition directly through pipelined to corresponding
Tails assay instrument in, so as to draw corresponding particle concentration after being detected by exhaust analyzer, this is for big
Part says for mobile pollution source diesel engine, and the structure of tail gas on-line measurement device provided by the present invention is simple, small volume, again
Amount is light, more for practicality.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the on-line measurement device of particulate matter in engine of boat and ship exhaust contaminant.
In figure：Diluent air filter 1, first pressure blower fan 2, flow measurement device 3, dilution tunnel 4, particulate sample train
System 5, second pressure blower fan 6, flow controller 7, delivery pipe 8, differential pressure pickup 9, etc. Dynamic sampling probe 10 and exhaust emissions
Pipe 11.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, in the utility model embodiment, the online survey of particulate matter in a kind of engine of boat and ship exhaust contaminant
Measure device, including diluent air filter 1, first pressure blower fan 2, flow measurement device 3, dilution tunnel 4, particulate sampling system
5th, second pressure blower fan 6, flow controller 7, delivery pipe 8, differential pressure pickup 9, etc. Dynamic sampling probe 10 and tail gas discharging pipe
11, the air inlet of the diluent air filter 1 leads to air, and the gas outlet of diluent air filter 1 passes through delivery pipe 8 and first
Pressure fan 2 is connected, and first pressure blower fan 2 is connected by flow measurement device 3 with the inlet end of dilution tunnel 4, and dilution is logical
The outlet side in road 4 is connected with second pressure blower fan 6, the air inlet that tail gas discharging pipe 11 passes through delivery pipe 8 and second pressure blower fan 6
Mouth is connected, and particulate sampling system 5 is connected by delivery pipe 8 with dilution tunnel 4, and the dilution tunnel 4 has sufficiently long length
Degree, so that exhaust and diluent air are sufficiently mixed under turbulent-flow conditions, and by stainless steel making, 75mm dilution is exceeded to internal diameter
Passage 4, its thickness and should be less than or equal to 0.025 in diameter ratio, be less than or wait 75mm dilution tunnel 4, its wall to internal diameter
Thickness is not less than 1.5mm;Sampling type is flowed to part, internal diameter is at least 75mm, for full stream sampling type, recommends internal diameter to be at least
75mm；The inside of dilution tunnel 4 is provided with the heating internal thread that can preheat sample gas；The tail gas discharging pipe 11 and second pressure
Flow controller 7 and differential pressure pickup 9 are provided between blower fan 6；The inwall of the tail gas discharging pipe 11, which is provided with, waits Dynamic sampling
Probe 10, wait one end of Dynamic sampling probe 10 to be connected by delivery pipe 8 with differential pressure pickup 9, wait Dynamic sampling probe 10
Other one end connects with the inwall of dilution tunnel 4；The delivery pipe 8 is no more than 5m;Diameter is equal to or more than probe diameter, but not
More than 25mm;Discharged on the center line of dilution tunnel, for the downstream；Containing in the diluent air filter 1 to eliminate
The activated carbon of hydrocarbon.
Operation principle of the present utility model is：
The measurement apparatus, available for online measurement is carried out to diesel emission exhaust particulate thing concentration, reflection is real-time
Detect data.The particulate matter measuring apparatus scatters light mode after using infrared ray, monitoring steady in a long-term can be carried out, to particle
Thing concentration has that extraordinary correlation, measurement range are wide, and when Infrared irradiation is to particulate matter, light scattering phenomenon occurs, this
The intensity of scattering light changes according to the change of particle concentration.The infrared light beam irradiation projected from the tip of sensing system
Light scattering is produced on particulate matter, this scattering light is reached on sensor by collecting lens, the light intensity signal that sensor detects
Electric signal is changed into, the signal shows the concentration of particulate matter by amplifier and module change-over circuit on microcomputer monitor.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Claims (7)
1. the on-line measurement device of particulate matter in a kind of engine of boat and ship exhaust contaminant, including diluent air filter (1), stream
Measuring device (3), dilution tunnel (4), particulate sampling system (5), differential pressure pickup (9) and etc. Dynamic sampling probe (10),
Characterized in that, the air inlet of the diluent air filter (1) leads to air, the gas outlet of diluent air filter (1) passes through
Delivery pipe (8) is connected with first pressure blower fan (2), and first pressure blower fan (2) passes through flow measurement device (3) and dilution tunnel
(4) inlet end connection, the outlet side of dilution tunnel (4) are connected with second pressure blower fan (6), and tail gas discharging pipe (11) passes through
Delivery pipe (8) is connected with the air inlet of second pressure blower fan (6), and particulate sampling system (5) is logical with dilution by delivery pipe (8)
Road (4) connects.
2. the on-line measurement device of particulate matter, its feature exist in engine of boat and ship exhaust contaminant according to claim 1
In, the dilution tunnel (4) has sufficiently long length, so that exhaust and diluent air are sufficiently mixed under turbulent-flow conditions, and
By stainless steel making, exceed 75mm dilution tunnel (4) to internal diameter, its thickness and should be less than or equal to 0.025 in diameter ratio,
It is less than or waits 75mm dilution tunnel 4 to internal diameter, its wall thickness is not less than 1.5mm;Sampling type is flowed to part, internal diameter is at least
75mm, for full stream sampling type, internal diameter is recommended to be at least 75mm.
3. the on-line measurement device of particulate matter, its feature exist in engine of boat and ship exhaust contaminant according to claim 1
In provided with the heating internal thread that can preheat sample gas inside the dilution tunnel (4).
4. the on-line measurement device of particulate matter, its feature exist in engine of boat and ship exhaust contaminant according to claim 1
In being provided with flow controller (7) and differential pressure pickup (9) between the tail gas discharging pipe (11) and second pressure blower fan (6).
5. the on-line measurement device of particulate matter, its feature exist in engine of boat and ship exhaust contaminant according to claim 1
In the inwall of the tail gas discharging pipe (11), which is provided with, waits Dynamic sampling probe (10), waits one end of Dynamic sampling probe (10)
Be connected by delivery pipe (8) with differential pressure pickup (9), wait Dynamic sampling probe (10) other one end and dilution tunnel (4) it is interior
Wall connects.
6. the on-line measurement device of particulate matter, its feature exist in engine of boat and ship exhaust contaminant according to claim 1
In the delivery pipe (8) is no more than 5m;Diameter is equal to or more than probe diameter, but is no more than 25mm;In dilution tunnel
Discharged on heart line, for the downstream.
7. the on-line measurement device of particulate matter, its feature exist in engine of boat and ship exhaust contaminant according to claim 1
In containing the activated carbon of hydrocarbon can be eliminated in the diluent air filter (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721041790.3U CN207111211U (en) | 2017-08-20 | 2017-08-20 | The on-line measurement device of particulate matter in a kind of engine of boat and ship exhaust contaminant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721041790.3U CN207111211U (en) | 2017-08-20 | 2017-08-20 | The on-line measurement device of particulate matter in a kind of engine of boat and ship exhaust contaminant |
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| Publication Number | Publication Date |
|---|---|
| CN207111211U true CN207111211U (en) | 2018-03-16 |
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| CN201721041790.3U Active CN207111211U (en) | 2017-08-20 | 2017-08-20 | The on-line measurement device of particulate matter in a kind of engine of boat and ship exhaust contaminant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572078A (en) * | 2018-06-28 | 2018-09-25 | 无锡沃尔福汽车技术有限公司 | A kind of full flow type tail gas dilution system of twin-engined racks |
| CN109030008A (en) * | 2018-06-21 | 2018-12-18 | 上海中船三井造船柴油机有限公司 | A kind of analog detection method of marine low speed diesel engine TierIII performance |
| CN113945689A (en) * | 2021-10-20 | 2022-01-18 | 深圳智人环保科技有限公司 | Gas detection system for ship exhaust |
-
2017
- 2017-08-20 CN CN201721041790.3U patent/CN207111211U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030008A (en) * | 2018-06-21 | 2018-12-18 | 上海中船三井造船柴油机有限公司 | A kind of analog detection method of marine low speed diesel engine TierIII performance |
| CN109030008B (en) * | 2018-06-21 | 2020-02-21 | 上海中船三井造船柴油机有限公司 | Simulation test method for Tier III performance of marine low-speed diesel engine |
| CN108572078A (en) * | 2018-06-28 | 2018-09-25 | 无锡沃尔福汽车技术有限公司 | A kind of full flow type tail gas dilution system of twin-engined racks |
| CN113945689A (en) * | 2021-10-20 | 2022-01-18 | 深圳智人环保科技有限公司 | Gas detection system for ship exhaust |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230627 Address after: A701, Jieshun Technology Center, No. 5, Guansheng Second Road, Luhu Community, Guanhu Street, Longhua District, Shenzhen, Guangdong 518000 Patentee after: SHENZHEN CITY EMPAER TECHNOLOGY CO.,LTD. Address before: 215400 Shuimukang Bridge, Main Building, No. 6, Beijing West Road, Taicang Science and Technology Pioneer Park, Chengxiang Town, Taicang City, Suzhou City, Jiangsu Province Patentee before: SUZHOU SHUIMU KANGQIAO ENVIRONMENT ENGINEERING TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |