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 PDFInfo
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- 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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- ammonia
- ejecting head
- metering device
- tail gas
- vehicle
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air 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
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.
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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2017
- 2017-12-29 CN CN201721922060.4U patent/CN208024437U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200914 Address after: 136000 No. 1, Pioneer Street, Gongzhuling Economic Development Zone, Siping City, Jilin Province Patentee after: JILIN ZHONGXIN AUTO EQUIPMENT Co.,Ltd. Address before: 130000 No. 1864 Dongfeng South Street, Jilin, Changchun Patentee before: CHANGCHUN FAW SIHUAN TENGDA GREASE CHEMICAL Co.,Ltd. |
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| 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 AUTO EQUIPMENT Co.,Ltd. |