CN207905895U - A kind of diesel engine exhaust gas treatment device - Google Patents

A kind of diesel engine exhaust gas treatment device Download PDF

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Publication number
CN207905895U
CN207905895U CN201820254616.5U CN201820254616U CN207905895U CN 207905895 U CN207905895 U CN 207905895U CN 201820254616 U CN201820254616 U CN 201820254616U CN 207905895 U CN207905895 U CN 207905895U
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CN
China
Prior art keywords
gas treatment
air inlet
diesel engine
engine exhaust
inlet pipe
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Expired - Fee Related
Application number
CN201820254616.5U
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Chinese (zh)
Inventor
谭英明
丁晗
万烨超
陈典
高军凯
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Zhejiang Ocean University ZJOU
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Zhejiang Ocean University ZJOU
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Priority to CN201820254616.5U priority Critical patent/CN207905895U/en
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Publication of CN207905895U publication Critical patent/CN207905895U/en
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Abstract

The utility model is related to a kind of diesel engine exhaust gas treatment devices, including:Vent gas treatment babinet, the ventilation pipe being set in vent gas treatment babinet and vent gas treatment pond.One opposite both sides of the face of vent gas treatment babinet are respectively equipped with an air inlet and a gas outlet;Ventilation pipe includes the first air inlet pipe being connected with air inlet and the second snorkel for being connected with the first air inlet pipe;First air inlet pipe is crossed gas port by first with the second snorkel linking part and is communicated with the liquid level in vent gas treatment pond;And second snorkel outlet side by second cross gas port communicated with the liquid level in vent gas treatment pond.

Description

A kind of diesel engine exhaust gas treatment device
Technical field
The utility model is related to Diesel Engine Technique Fields, and in particular to a kind of diesel engine exhaust gas treatment device.
Background technology
Many people can more or less touch from motor vehicle, train, steamer and power generation in daily life and work The diesel motor exhaust of the multiple channels such as machine, and diesel emissions have prodigious harmfulness, not with environmental requirement Disconnected to improve, pollution of the exhaust pollution of diesel engines object to environment and the harm to health are increasingly valued by people.
Utility model content
The purpose of this utility model is to provide a kind of diesel engine exhaust gas treatment device, at the tail gas to solve to improve diesel engine The technical issues of managing effect.
What the diesel engine exhaust gas treatment device of the present embodiment was realized in:
A kind of diesel engine exhaust gas treatment device, including:Vent gas treatment babinet, the ventilation being set in the vent gas treatment babinet Pipeline and vent gas treatment pond;
One opposite both sides of the face of the vent gas treatment babinet are respectively equipped with an air inlet and a gas outlet;
The ventilation pipe includes the first air inlet pipe being connected with the air inlet and is connected with first air inlet pipe The second logical snorkel;
The liquid level that first air inlet pipe crosses gas port and the vent gas treatment pond with the second snorkel linking part by first It communicates;And
The outlet side of second snorkel is crossed gas port by second and is communicated with the liquid level in the vent gas treatment pond.
In the utility model preferred embodiment, the liquid level end cap in the vent gas treatment pond is equipped with a liquid level partition board;
The liquid level partition board, which is equipped with, is suitable for the described first perforation that gas port and the second mistake gas port pass through excessively;And
It is logical suitable for gas that region of the liquid level partition board between second snorkel and the gas outlet is equipped with one The opening crossed.
In the utility model preferred embodiment, the opening is provided with honeycomb type ventilation metallic plate.
In the utility model preferred embodiment, oxidizing activated carbon coating is coated on the honeycomb type metallic plate.
In the utility model preferred embodiment, it is equipped with one on the head cover of the vent gas treatment babinet and is suitable for described The liquid supplementation pipe of vent gas treatment pond supplement process liquid;
The through-hole passed through suitable for the liquid supplementation pipe is offered on the liquid level partition board.
In the utility model preferred embodiment, a filter screen is radially provided in second snorkel.
In the utility model preferred embodiment, reproducibility washcoat is coated on the filter screen.
In the utility model preferred embodiment, first air inlet pipe includes the left air inlet communicated with the air inlet Pipe and the right air inlet pipe for being located in the vent gas treatment pond communicated with the left air inlet pipe;
A tail gas prefiltration component is equipped in the left air inlet pipe.
In the utility model preferred embodiment, the tail gas prefiltration component includes coarse filtration cylinder and fine filtering cylinder;
One end of the coarse filtration cylinder is connected to setting with the air inlet, and the other end extends in the cavity of the left air inlet pipe Sealed set, the fine filtering cylinder coats the coarse filtration cylinder setting, and activated carbon is filled between the coarse filtration cylinder and the fine filtering cylinder Layer.
In the utility model preferred embodiment, the open end of the coarse filtration cylinder and the fine filtering cylinder is fixedly connected with In one mounting ring;
The mounting ring and the air inlet offer matched screw thread, and the mounting ring utilizes screw thread and the air inlet Mouth detachable installation.
The utility model has the beneficial effects that the first air inlet pipe of the diesel engine exhaust gas treatment device design of the utility model The second snorkel being connected with the first air inlet pipe, convenient for increasing the discharge line length of tail gas, and then convenient for more efficient Absorption tail gas in subsidiary noxious material;Again by the vent gas treatment pond of design for dividing the harmful substance in tail gas Solution, reduces the nitrogen oxides pollution object in the tail gas of diesel emission.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of 1 diesel engine exhaust gas treatment device of the embodiments of the present invention;
Fig. 2 is the structural schematic diagram of 3 diesel engine exhaust gas treatment device of the embodiments of the present invention;
Fig. 3 is the dimensional structure diagram of 3 diesel engine exhaust gas treatment device of the embodiments of the present invention;
Fig. 4 is the structural schematic diagram of 2 diesel engine exhaust gas treatment device of the embodiments of the present invention;
Fig. 5 is the structural representation of the tail gas prefiltration component of 2 diesel engine exhaust gas treatment device of the embodiments of the present invention Figure.
In figure:Vent gas treatment babinet 1, shadoof 2, handle 3, air inlet 4, tail gas discharging pipe 5, the first air inlet pipe 6, gas outlet 7, fixed plate 8, fan 9, capping 10, liquid supplementation pipe 11, tapping valve 12, observation window 13, filter screen 14, vent gas treatment pond 15, honeycomb Type ventilation metallic plate 16, liquid level partition board 17, first cross gas port 18, second and cross gas port 19, the second snorkel 20, tail gas prefiltration group Part 21, left air inlet pipe 601, right air inlet pipe 602, coarse filtration cylinder 211, fine filtering cylinder 212, active carbon layer 213, mounting ring 214.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on this practicality Embodiment in novel, those of ordinary skill in the art are obtained every other without creative efforts Embodiment shall fall within the protection scope of the present invention.
Therefore, the detailed description of the embodiment of the utility model provided in the accompanying drawings is not intended to limit below and is wanted The scope of the utility model of protection is sought, but is merely representative of the selected embodiment of the utility model.Based on the utility model In embodiment, the every other implementation that those of ordinary skill in the art are obtained without creative efforts Mode shall fall within the protection scope of the present invention.
Embodiment 1:
Refering to Figure 1, a kind of diesel engine exhaust gas treatment device is present embodiments provided, including:Vent gas treatment babinet 1, be set to vent gas treatment babinet 1 in ventilation pipe and vent gas treatment pond 15.
In vent gas treatment pond 15 in the present embodiment storage have diesel engine vent gas treatment fluid (be commonly called as:Automobile urea, it is automobile-used Urea, automobile environment-protection urea), with the nitrogen oxides in tail gas redox reaction can occur for diesel engine vent gas treatment fluid, generate Free of contamination nitrogen and vapor discharge.
Specifically, an opposite both sides of the face of vent gas treatment babinet 1 are respectively equipped with an air inlet 4 and a gas outlet 7, into Gas port 4 is connected with tail gas discharging pipe 5, optionally, tail gas discharging pipe 5 it is optional using be threadedly coupled by the way of with 4 phase of air inlet It connects;Ventilation pipe includes the first air inlet pipe 6 being connected with air inlet 4 and the second snorkel being connected with the first air inlet pipe 6 20;First air inlet pipe 6 is crossed gas port 18 by first with 20 linking part of the second snorkel and is communicated with the liquid level in vent gas treatment pond 15;With And second snorkel 20 outlet side by second cross gas port 19 communicated with the liquid level in vent gas treatment pond 15.Wherein, the first air inlet Pipe 6 is optional to be connected by the way of being threadedly coupled with air inlet 4, and optionally, outer spiral shell is arranged in the lateral wall in the end of air inlet 4 Internal thread, the internal thread by the nozzle of the first air inlet pipe 6 and air inlet is arranged in the madial wall of the nozzle of the first air inlet pipe 6 in line The external screw thread of mouthfuls 4 end is, it can be achieved that air inlet 4 and the first air inlet pipe 6 are connected.First air inlet pipe 6 of the present embodiment and Corrosion-resistant and heat safe metal material can be used in two snorkels 20 or plastic material is made, and the first air inlet pipe 6 and second is logical The connecting part of tracheae 20 for example, by but be not limited to welding mode be connected.
The liquid level end cap in vent gas treatment pond 15 is equipped with a liquid level partition board 17;Liquid level partition board 17 is equipped with crosses gas port suitable for first 18 and second cross the perforation that gas port 19 passes through;And region of the liquid level partition board 17 between the second snorkel 20 and gas outlet 7 Equipped with one be suitable for gas by opening.One is equipped on the head cover of vent gas treatment babinet 1 to be suitable for supplementing vent gas treatment pond 15 The liquid supplementation pipe 11 for the treatment of fluid, the head cover of vent gas treatment babinet 1 are equipped with the capping 10 for covering the nozzle for closing liquid supplementation pipe 11;Liquid level The through-hole passed through suitable for liquid supplementation pipe 11 is offered on partition board 17.
For the ease of replacing the treatment fluid in vent gas treatment pond 15, vent gas treatment babinet 1 corresponds to the outer of vent gas treatment pond 15 Side wall is equipped with a leakage fluid dram communicated with vent gas treatment pond 15, which is equipped with a tapping valve 12.
Again in order to ensure the liquid level of the treatment fluid in vent gas treatment pond 15 so that first, which crosses gas port 18 and second, crosses gas Mouth 19 is extended partially into treatment fluid, and vent gas treatment babinet 1 corresponds to setting on the lateral wall in vent gas treatment pond 15 and is used at observation Manage the observation window 13 of the liquid level of liquid.
For the ease of being cleaned to vent gas treatment pond 15, the outside in vent gas treatment pond 15 is corresponded in vent gas treatment babinet 1 Openable maintenance door is arranged in top on wall and positioned at observation window 13.
Opening is provided with honeycomb type ventilation metallic plate 16.The honeycomb type ventilation metallic plate 16 of design is mainly convenient for through tail gas Treated the diesel engine vent gas of processing pond 15 is discharged to gas outlet 7.The tail gas of the diesel engine exhaust gas treatment device of the present embodiment according to It is secondary cross gas port 18 through the first air inlet pipe 6, first, the second snorkel 20, second is crossed after gas port 19 and vent gas treatment pond 15 handle, most It is discharged to gas outlet 7 by the honeycomb type ventilation metallic plate 16 of opening.
In order to further increase the effect for vent gas treatment, oxidizing activated carbon is coated on honeycomb type metallic plate and is applied Layer.When tail gas is by oxidative activation coating, the carbon monoxide and hydrocarbon that contain in tail gas are further oxided into Carbon dioxide and water substantially reduce the content of the pollutant in tail gas.
Optionally, it is radially provided with a filter screen 14 in the second snorkel 20.The design of filter screen 14 can be with the portion in tail gas Impurity is divided to be filtered.
The treatment and purification of tail gas is acted in order to fully improve filter screen 14, reproducibility is coated on filter screen 14 and is activated Coating.Nitrogen oxides in tail gas can be broken down into nitrogen and oxygen by the design of reproducibility washcoat.Reproducibility herein is lived Change the oxidative activation coating coated on coating combination honeycomb type ventilation metallic plate 16, at this time reproducibility washcoat reduction decomposition The oxygen of generation also contributes to the progress of the oxidation reaction of oxidative activation coating.Moreover, tail gas by said sequence successively by Purification, the harmful substance of purified tail gas can substantially reduce.
It is also optional, it is connected with shadoof 2 on the top of vent gas treatment babinet 1, the top outer of shadoof 2 is socketed with handle 3, Convenient for lifting vent gas treatment babinet 1.
Embodiment 2:
It please refers to shown in Fig. 4 and Fig. 5, on the basis of the diesel engine exhaust gas treatment device of embodiment 1, the bavin of the present embodiment First air inlet pipe 6 of oil machine exhaust gas processing device include the left air inlet pipe 601 communicated with air inlet 4 and with 601 phase of left air inlet pipe The logical right air inlet pipe 602 for being located in vent gas treatment pond 15;A tail gas prefiltration component 21 is equipped in left air inlet pipe 601.
It please refers to shown in Fig. 5, specifically, tail gas prefiltration component 21 includes coarse filtration cylinder 211 and fine filtering cylinder 212;Coarse filtration cylinder 211 one end is connected to setting with air inlet 4, and the other end extends to the cavity interior sealing setting of left air inlet pipe 601, fine filtering cylinder 212 It coats coarse filtration cylinder 211 to be arranged, and is filled with active carbon layer 213 between coarse filtration cylinder 211 and fine filtering cylinder 212.
The open end of coarse filtration cylinder 211 and fine filtering cylinder 212 is fixedly connected with onto a mounting ring 214;Mounting ring 214 and air inlet Mouth 4 offers matched screw thread, and mounting ring 214 is installed using screw thread and 4 detachable of air inlet, can be periodically or when the first mistake of tail gas Filter component 21 work one end time after filtering function reduce when, facilitate will tail gas prefiltration component 21 dismantle under carry out cleaning with more It changes so that the filtering function of tail gas prefiltration component 21 is guaranteed, it is ensured that the high efficiency filter of particle in tail gas.Optionally, In the lateral wall of mounting ring 214, external screw thread is set, and, internal thread is arranged in the madial wall in the port of air inlet 4, such to set Meter while nor affecting on connecting for air inlet 4 and the first air inlet pipe 6.
The tail gas of diesel engine discharge enters left air inlet pipe 601 from air inlet 4, and the filtering through tail gas prefiltration component 21 will Under the particle filter contained in tail gas.
The fine filtering cylinder 212 that the present embodiment uses coats the structure of coarse filtration cylinder 211 so that tail gas enters from air inlet 4, tail gas In the particle that contains when by tail gas prefiltration component 21, can realize the layer from big to small to the grain graininess that contains in tail gas Secondary filtering, filter efficiency is high, is subsequent purification flow through being substantially free of particle in 21 filtered tail gas of tail gas prefiltration component Effectively carry out providing guaranteed reliability;Using the structure of filter cylinder, the area of filtering surface is considerably increased, improves filtering effect Rate.
Embodiment 3:
It please refers to shown in Fig. 2 and Fig. 3, on the basis of the diesel engine exhaust gas treatment device of embodiment 1 or embodiment 2, this The vent gas treatment babinet 1 of the diesel engine exhaust gas treatment device of embodiment, which is equipped on the side end face of gas outlet 7, is located at the upper of gas outlet 7 The orientation place of setting is connected with fixed plate 8, and the bottom end of fixed plate 8 is equipped with fan 9.Pass through between vent gas treatment babinet 1 and fixed plate 8 It is such as, but not limited to bolted, fan 9 can be electrically connected external power supply.The design of fan 9, convenient for the tail gas to gas outlet 7 Cool down, prevents temperature at offgas outlet excessively high.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real It is not limited to the contents of the specification with novel technical scope, it is necessary to which its technology is determined according to right Property range.
In the description of the present invention, it should be understood that the term of indicating position or position relationship is based on attached drawing Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indicate or imply institute The equipment or element of finger must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this reality With novel limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;Can be Mechanical connection can also be electrical connection;It can be directly connected, can also can be indirectly connected through an intermediary two The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and It is that can be slightly tilted.It is not to indicate the structure if "horizontal" refers to only that its direction is more horizontal with respect to for "vertical" It has to fully horizontally, but can be slightly tilted.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the Right over two features and oblique upper, or be merely representative of fisrt feature level height and be higher than second feature.Fisrt feature is in the second spy Under sign, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or are merely representative of fisrt feature level Height is less than second feature.

Claims (10)

1. a kind of diesel engine exhaust gas treatment device, which is characterized in that including:Vent gas treatment babinet is set to the vent gas treatment case Internal ventilation pipe and vent gas treatment pond;
One opposite both sides of the face of the vent gas treatment babinet are respectively equipped with an air inlet and a gas outlet;
The ventilation pipe includes the first air inlet pipe being connected with the air inlet and is connected with first air inlet pipe Second snorkel;
First air inlet pipe is crossed gas port by first with the second snorkel linking part and is communicated with the liquid level in the vent gas treatment pond; And
The outlet side of second snorkel is crossed gas port by second and is communicated with the liquid level in the vent gas treatment pond.
2. diesel engine exhaust gas treatment device according to claim 1, which is characterized in that the liquid level end in the vent gas treatment pond It is covered with a liquid level partition board;
The liquid level partition board, which is equipped with, is suitable for the described first perforation that gas port and the second mistake gas port pass through excessively;And
Region of the liquid level partition board between second snorkel and the gas outlet be equipped with one be suitable for gas by Opening.
3. diesel engine exhaust gas treatment device according to claim 2, which is characterized in that the opening is provided with honeycomb type Ventilation metallic plate.
4. diesel engine exhaust gas treatment device according to claim 3, which is characterized in that coated on the honeycomb type metallic plate Oxidizing activated carbon coating.
5. according to claim 2~4 any one of them diesel engine exhaust gas treatment device, which is characterized in that the vent gas treatment One is equipped on the head cover of babinet suitable for the liquid supplementation pipe to the vent gas treatment pond supplement process liquid;
The through-hole passed through suitable for the liquid supplementation pipe is offered on the liquid level partition board.
6. diesel engine exhaust gas treatment device according to claim 1, which is characterized in that radially set in second snorkel There is a filter screen.
7. diesel engine exhaust gas treatment device according to claim 6, which is characterized in that be coated with reduction on the filter screen Property washcoat.
8. diesel engine exhaust gas treatment device according to claim 1, which is characterized in that first air inlet pipe includes and institute State the left air inlet pipe and the right air inlet pipe for being located in the vent gas treatment pond communicated with the left air inlet pipe that air inlet communicates;
A tail gas prefiltration component is equipped in the left air inlet pipe.
9. diesel engine exhaust gas treatment device according to claim 8, which is characterized in that the tail gas prefiltration component includes Coarse filtration cylinder and fine filtering cylinder;
One end of the coarse filtration cylinder is connected to setting with the air inlet, and the other end extends to the cavity interior sealing of the left air inlet pipe Setting, the fine filtering cylinder coats the coarse filtration cylinder setting, and active carbon layer is filled between the coarse filtration cylinder and the fine filtering cylinder.
10. diesel engine exhaust gas treatment device according to claim 9, which is characterized in that the coarse filtration cylinder and the fine filtering The open end of cylinder is fixedly connected with onto a mounting ring;
The mounting ring and the air inlet offer matched screw thread, and the mounting ring is torn open using screw thread and the air inlet Unload formula installation.
CN201820254616.5U 2018-02-12 2018-02-12 A kind of diesel engine exhaust gas treatment device Expired - Fee Related CN207905895U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820254616.5U CN207905895U (en) 2018-02-12 2018-02-12 A kind of diesel engine exhaust gas treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820254616.5U CN207905895U (en) 2018-02-12 2018-02-12 A kind of diesel engine exhaust gas treatment device

Publications (1)

Publication Number Publication Date
CN207905895U true CN207905895U (en) 2018-09-25

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CN201820254616.5U Expired - Fee Related CN207905895U (en) 2018-02-12 2018-02-12 A kind of diesel engine exhaust gas treatment device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109173541A (en) * 2018-11-07 2019-01-11 阮文师 A kind of combined type oil-type air filtration system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109173541A (en) * 2018-11-07 2019-01-11 阮文师 A kind of combined type oil-type air filtration system

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180925

Termination date: 20190212