CN208024437U - A kind of ammonia metering device and vehicle and its tail gas treatment device - Google Patents

A kind of ammonia metering device and vehicle and its tail gas treatment device Download PDF

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Publication number
CN208024437U
CN208024437U CN201721922060.4U CN201721922060U CN208024437U CN 208024437 U CN208024437 U CN 208024437U CN 201721922060 U CN201721922060 U CN 201721922060U CN 208024437 U CN208024437 U CN 208024437U
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China
Prior art keywords
ammonia
ejecting head
metering device
tail gas
vehicle
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CN201721922060.4U
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Chinese (zh)
Inventor
郝赫
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Jilin Zhongxin Automotive Equipment Co ltd
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Changchun Faw Tengda Grease Chemical Co Ltd
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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 utility model discloses a kind of ammonia metering devices, for the ammonia feed system in tail gas treatment device, it include the ammonia output mechanism for stablizing output in pre-set pressure range, ammonia output mechanism is connected with controllable ration valve by supply air line, for timing or quantitative ejection ammonia, controllable ration valve is connected with ejecting head, and the heating element for being heated to it is provided on ejecting head.In the ejecting head position of controllable ration valve, heating element is set, to be heated to ejecting head, in this way when spraying the temperature decline of ammonia ejecting head position, the temperature of the position can effectively be promoted to prevent ammonia from being crystallized in low position, to avoid the blocking of ejiction opening, enables the ejection of ammonia supply more stable, efficiently solve when supplying purifying vehicle tail gas using ammonia, since gas supply assembly easily crystallizes, it is difficult to realize ammonia at regular time and quantity and continue controllably supply etc. technical problem.The invention also discloses a kind of vehicle and its tail gas treatment devices.

Description

A kind of ammonia metering device and vehicle and its tail gas treatment device
Technical field
The utility model is related to tail gas disposal technique fields to further relate to more specifically to a kind of ammonia metering device A kind of ammonia reaction vehicle tail gas treatment device, further to a kind of vehicle.
Background technology
The exhaust gas processing device of automobile mainly makes tail gas be purified under the effect of the catalyst, to mitigate to environment The device of pollution.Vehicle exhaust is the exhaust gas generated when automobile use, contains hundreds of different compound, pollutant therein There are solid aerosol, carbon monoxide, carbon dioxide, hydrocarbon, oxynitrides, lead and oxygen sulfur compound etc..
Currently, the exhaust gas purification equipment of mainstream is realized by the way of catalyst, the vehicle exhaust of high temperature passes through purification When device, the cleanser in catalyst converter will enhance the activity of CO, HC and NOx gas, it is promoted to carry out certain redox Reaction is learned, to make pernicious gas become innocuous gas, vehicle exhaust is made to be purified.
However there is also certain defects for this existing catalyst cleaning mode, are mainly manifested in nitrogen oxides removal not Thoroughly, clarifier is difficult to adapt to the different adaptability for working condition work of vehicle, and long-time is easy miscellaneous using rear catalyst converter position Matter contamination and plugging, causes clean-up effect to decline.
To cope with this problem, inventor it has been investigated that:Using lasting ammonia for giving the hair of the nitrogen oxides in tail gas Biochemical reaction also efficiently can thoroughly remove the nitrogen oxides in tail gas, however this technical solution is required as reaction The ammonia supply of object, which has, stronger continues controllability, it is desirable that can be but existing in the supply of regular hour quantification Can not provide effective solution in tail gas clean-up design, specifically when be used for the nozzle of weight feed ammonia from When the built-in system of certain pressure sprays ammonia, do work due to being sprayed to ammonia, the temperature of nozzle is easily reduced, in view of ammonia sheet The property of body, therefore the case where ejection position is susceptible to crystallization, gas supply is enabled to be difficult to continue.
In conclusion how to efficiently solve when supplying purifying vehicle tail gas using ammonia, since gas supply assembly is easily tied It is brilliant, it is difficult to realize ammonia at regular time and quantity, and continue the technical problem of controllably supply etc., be that current those skilled in the art are anxious It need to solve the problems, such as.
Utility model content
In view of this, first of the utility model is designed to provide a kind of ammonia metering device, ammonia metering dress The structure design set can be efficiently solved when supplying purifying vehicle tail gas using ammonia, difficult since gas supply assembly easily crystallizes To realize ammonia at regular time and quantity, and continue the technical problem of controllably supply etc., second purpose of the utility model is to carry Vehicle tail gas treatment device is reacted for a kind of ammonia including above-mentioned ammonia metering device, the third purpose of the utility model is to carry For a kind of vehicle reacting vehicle tail gas treatment device including above-mentioned ammonia.
In order to reach above-mentioned first purpose, the utility model provides the following technical solutions:
A kind of ammonia metering device for the ammonia feed system in tail gas treatment device, including is used to stablize output and exists Ammonia output mechanism in pre-set pressure range, the ammonia output mechanism are connected with controllable ration valve by supply air line, use It is connected with ejecting head, is provided with for it on the ejecting head in timing or quantitative ejection ammonia, the controllable ration valve The heating element of heating.
Preferably, in above-mentioned ammonia metering device, the heating member is specially to be bonded the resistance that the ejecting head is provided with The power end of heater, the resistance heater is connect with vehicle accumulator.
Preferably, in above-mentioned ammonia metering device, the resistance heater is in hoop-like, is set in the outer of the ejecting head Circumferential surface.
Preferably, in above-mentioned ammonia metering device, the ammonia metering device further includes for the ammonia to be exported machine Structure, the controllable ration valve and ejecting head are contained in internal control box.
Preferably, in above-mentioned ammonia metering device, the controllable ration valve and ejecting head and the inner wall of the control box are pacified Dress fix, be fixed on spray ammonia during ejecting head position stablize.
Ammonia metering device provided by the utility model, for the ammonia feed system in tail gas treatment device, including with In stablizing ammonia output mechanism of the output in pre-set pressure range, the ammonia output mechanism is connected with by supply air line can Proportional valve is controlled, ejecting head is connected with for timing or quantitative ejection ammonia, the controllable ration valve, is arranged on the ejecting head It is useful for the heating element heated to it.In ammonia metering device provided by the utility model, for quantitatively spraying ammonia Heating element is arranged in the ejecting head position of controllable ration valve, to be heated to ejecting head, is spraying ammonia ejecting head position in this way When the temperature drops, the temperature of the position can effectively be promoted to prevent ammonia from being crystallized in low position, to avoid ejiction opening It blocks, enables the ejection of ammonia supply more stable, efficiently solve when supplying purifying vehicle tail gas using ammonia, due to gas supply Component easily crystallizes, it is difficult to realize ammonia at regular time and quantity and continue controllably supply etc. technical problem.
In order to reach above-mentioned second purpose, the utility model additionally provides a kind of ammonia reaction vehicle tail gas treatment device, It includes any of the above-described kind of ammonia metering device that the ammonia, which reacts vehicle tail gas treatment device,.Since above-mentioned ammonia metering device has Above-mentioned technique effect, the ammonia reaction vehicle tail gas treatment device with the ammonia metering device should also be imitated with corresponding technology Fruit.
In order to reach above-mentioned third purpose, the utility model additionally provides a kind of vehicle, which includes that above-mentioned ammonia is anti- Answer Vehicular exhaust processing equipment.Since above-mentioned ammonia reaction vehicle tail gas treatment device has above-mentioned technique effect, there is the ammonia The vehicle of reaction vehicle tail gas treatment device should also have corresponding technique effect.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the partial structurtes signal near ejecting head position in the ammonia metering device that the utility model embodiment provides Figure;
Fig. 2 is the overall structure diagram for the ammonia metering device that the utility model embodiment provides.
It is marked in attached drawing as follows:
Heating element 1, controllable ration valve 2, ejecting head 3, ammonia output mechanism 4.
Specific implementation mode
The utility model embodiment discloses a kind of ammonia metering device, to solve supplying purifying vehicle tail using ammonia When gas, since gas supply assembly easily crystallizes, it is difficult to realize ammonia at regular time and quantity and continue controllably supply etc. technical problem.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1-Fig. 2, Fig. 1 is in the ammonia metering device that the utility model embodiment provides near ejecting head position Partial structural diagram;Fig. 2 is the overall structure diagram for the ammonia metering device that the utility model embodiment provides.
The ammonia metering device that the utility model embodiment provides, the ammonia feed system being used in tail gas treatment device, Include the ammonia output mechanism 4 for stablizing output in pre-set pressure range, the ammonia output mechanism 4 passes through supply air line It is connected with controllable ration valve 2, for timing or quantitative ejection ammonia, the controllable ration valve 2 is connected with ejecting head 3, described The heating element 1 for being heated to it is provided on ejecting head 3.
In ammonia metering device provided in this embodiment, in the ejecting head 3 of the controllable ration valve 2 for quantitatively spraying ammonia Heating element 1 is arranged in position, to be heated to ejecting head 3, is spraying 3 position of ammonia ejecting head when the temperature drops, can be in this way The temperature of the position is effectively promoted to prevent ammonia from being crystallized in low position, to avoid the blocking of ejiction opening, enables the spray of ammonia Go out to supply it is more stable, efficiently solve using ammonia supply purifying vehicle tail gas when, since gas supply assembly easily crystallizes, it is difficult to Realize ammonia at regular time and quantity and continue controllably supply etc. technical problem.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned ammonia metering device In, the heating member is specially to be bonded the resistance heater that the ejecting head 3 is provided with, the power end of the resistance heater with Vehicle accumulator connects.
In technical solution provided in this embodiment, the design of heating element 1 has been advanced optimized, using resistance heater, It provides the power supply of heating by the storage battery of vehicle, easy to implement effective, and has thermal-stable, and heating element durability is good Advantage.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned ammonia metering device In, the resistance heater is in hoop-like, is set in the peripheral surface of the ejecting head 3.
Technical solution provided in this embodiment has advanced optimized the shape design of resistance heater, has used hoop-like Structure, be entirely set in the peripheral surface of ejecting head 3, so as to the comprehensive heating in each side to ejecting head 3, ensure that pair The heating effect of ejecting head 3 prevents heated irregular, local the problem of still being easy to form crystallization.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned ammonia metering device In, the ammonia metering device further includes for accommodating the ammonia output mechanism 4, the controllable ration valve 2 and ejecting head 3 In internal control box.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned ammonia metering device In, the controllable ration valve 2 and ejecting head 3 and the inner wall installation of the control box are fixed, to be fixed on during ejection ammonia Stablize the position of ejecting head 3.
In technical solution provided in this embodiment, the installation fixed form of 3 positional structure of ejecting head has been advanced optimized, by During gas sprays, 3 reversed stress of ejecting head, such as fixation are insecure, are susceptible to displacement loosening, therefore directly will spray The inner wall installation fixation with control box for 3 and 2 one of controllable ration valve connected of lifting one's head, ensure that the fixed of apparatus structure is imitated Fruit.
Based on the ammonia metering device provided in above-described embodiment, the utility model additionally provides a kind of ammonia reaction vehicle tail Gas disposal equipment, it includes any one ammonia metering device in above-described embodiment which, which reacts vehicle tail gas treatment device,.Due to Ammonia reaction vehicle tail gas treatment device uses the ammonia metering device in above-described embodiment, so the ammonia reacts Vehicular exhaust The advantageous effect of processing equipment please refers to above-described embodiment.
Vehicle tail gas treatment device is reacted based on the ammonia provided in above-described embodiment, the utility model additionally provides a kind of vehicle , which includes the ammonia reaction vehicle tail gas treatment device in above-described embodiment.Since the vehicle uses above-described embodiment In ammonia react vehicle tail gas treatment device, so the advantageous effect of the vehicle please refers to above-described embodiment.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other The difference of embodiment, just to refer each other for identical similar portion between each embodiment.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest range consistent with features of novelty.

Claims (7)

1. a kind of ammonia metering device, for the ammonia feed system in tail gas treatment device, which is characterized in that steady including being used for Ammonia output mechanism of the fixed output in pre-set pressure range, it is controllable fixed that the ammonia output mechanism is connected with by supply air line Valve is measured, ejecting head is connected with for timing or quantitative ejection ammonia, the controllable ration valve, is arranged on the ejecting head useful In the heating element heated to it.
2. ammonia metering device according to claim 1, which is characterized in that the heating element is specially to be bonded the spray Lift one's head the resistance heater being provided with, the power end of the resistance heater is connect with vehicle accumulator.
3. ammonia metering device according to claim 2, which is characterized in that the resistance heater is in hoop-like, suit In the peripheral surface of the ejecting head.
4. ammonia metering device according to claim 3, which is characterized in that the ammonia metering device further includes for inciting somebody to action The ammonia output mechanism, the controllable ration valve and ejecting head are contained in internal control box.
5. ammonia metering device according to claim 4, which is characterized in that the controllable ration valve and ejecting head with it is described Control box inner wall installation fix, be fixed on spray ammonia during ejecting head position stablize.
6. a kind of ammonia reacts vehicle tail gas treatment device, which is characterized in that including ammonia such as described in any one of claim 1 to 5 Gas metering device.
7. a kind of vehicle, which is characterized in that react vehicle tail gas treatment device including ammonia as claimed in claim 6.
CN201721922060.4U 2017-12-29 2017-12-29 A kind of ammonia metering device and vehicle and its tail gas treatment device Active CN208024437U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721922060.4U CN208024437U (en) 2017-12-29 2017-12-29 A kind of ammonia metering device and vehicle and its tail gas treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721922060.4U CN208024437U (en) 2017-12-29 2017-12-29 A kind of ammonia metering device and vehicle and its tail gas treatment device

Publications (1)

Publication Number Publication Date
CN208024437U true CN208024437U (en) 2018-10-30

Family

ID=63901649

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721922060.4U Active CN208024437U (en) 2017-12-29 2017-12-29 A kind of ammonia metering device and vehicle and its tail gas treatment device

Country Status (1)

Country Link
CN (1) CN208024437U (en)

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TR01 Transfer of patent right
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Effective date of registration: 20200914

Address after: 136000 No. 1, Pioneer Street, Gongzhuling Economic Development Zone, Siping City, Jilin Province

Patentee after: JILIN ZHONGXIN AUTOMOTIVE EQUIPMENT Co.,Ltd.

Address before: 130000 No. 1864 Dongfeng South Street, Jilin, Changchun

Patentee before: CHANGCHUN FAW SIHUAN TENGDA GREASE CHEMICAL Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210630

Address after: Room 5128, Huada Tianshi innovation and service center, intersection of Xinxiu street and Dashun Road, Kuancheng District, Changchun City, Jilin Province

Patentee after: Kelin Lantai Environmental Technology (Changchun) Co.,Ltd.

Address before: 136000 No.1 Chuangye street, Gongzhuling Economic Development Zone, Siping City, Jilin Province

Patentee before: JILIN ZHONGXIN AUTOMOTIVE EQUIPMENT Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20240705

Address after: No. 2188, South Side of Tengfei Street, Gongzhuling Economic Development Zone, Changchun City, Jilin Province, 130000

Patentee after: JILIN ZHONGXIN AUTOMOTIVE EQUIPMENT Co.,Ltd.

Country or region after: China

Address before: Room 5128, Huada Tianshi innovation and service center, intersection of Xinxiu street and Dashun Road, Kuancheng District, Changchun City, Jilin Province

Patentee before: Kelin Lantai Environmental Technology (Changchun) Co.,Ltd.

Country or region before: China