CN209053665U - A kind of ammonia electric-controlling injection system - Google Patents
A kind of ammonia electric-controlling injection system Download PDFInfo
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- CN209053665U CN209053665U CN201821832430.XU CN201821832430U CN209053665U CN 209053665 U CN209053665 U CN 209053665U CN 201821832430 U CN201821832430 U CN 201821832430U CN 209053665 U CN209053665 U CN 209053665U
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- ammonia
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- injection system
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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 ammonia electric-controlling injection systems, comprising: ammonia storage tank, for storing and discharging ammonia；Flow harvester is connected to ammonia storage tank and ammonia output pipe, and flow harvester is for measuring the ammonia amount passed through；Pressure-regulating valve is set on the pipeline between ammonia storage tank and flow harvester, for controlling the ammonia air pressure exported from ammonia storage tank.Flow harvester is set on the output pipe of ammonia storage tank, to obtain the spray volume of ammonia, achieve the purpose that export precision, and in the structure of the output end of ammonia storage tank setting pressure-regulating valve, the gas pressure for exporting ammonia storage tank is controlled by the design, by the pressure control of gas output in default range, to achieve the effect that stablize output, subsequent output has been effectively ensured in the process to the accuracy of control and the metering of ammonia output quantity, to guarantee the actual demand of the flux matched tail gas clean-up of ammonia exported, avoids waste from leaking or purify and be not thorough.
Description
Technical field
The utility model relates to purifying vehicle exhaust technical fields, more specifically to a kind of ammonia electric-controlled injection system
System.
Background technique
The exhaust gas processing device of automobile is mainly purified tail gas 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, such as adopt this tail gas clean-up design and require energy
Enough onboard storage tanks that can store a large amount of ammonias, and be that one kind is preferably set using the storage ammonia medium that can absorb ammonia
Meter.
In this design basis, how the ammonia efficiently and accurately stored in storage tank come into operation that there is also certain to ask
Topic, is particularly due to ammonia storage tank in different environments, and the rate for discharging ammonia is different, leads to exported instability of flow,
The quantitative ejection of ammonia below is impacted, the ammonia amount of ejection is difficult to match the demand of tail gas clean-up.
In conclusion it is unstable how to efficiently solve current ammonia output design discharge, ammonia output is caused to be difficult to essence
The technical problem of trueization etc. is current those skilled in the art's urgent problem.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of ammonia electric-controlling injection system, the ammonia electric-controlled injection
It is unstable that the structure design of system can efficiently solve current ammonia output design discharge, and ammonia output is caused to be difficult to refine
Deng technical problem.
In order to achieve the above object, the utility model provides the following technical solutions:
A kind of ammonia electric-controlling injection system, comprising:
Ammonia storage tank, for storing and discharging ammonia；
Flow harvester is connected to the ammonia storage tank, and the other end is connected to ammonia output pipe, the flow harvester
For measuring the ammonia amount passed through；
Pressure-regulating valve is set on the pipeline between ammonia storage tank and flow harvester, defeated from ammonia storage tank for controlling
Ammonia air pressure out.
Preferably, in above-mentioned ammonia electric-controlling injection system, it is provided with output control valve on the ammonia output pipe, is used for
Control the quantitative output of ammonia.
Preferably, in above-mentioned ammonia electric-controlling injection system, the ammonia electric-controlling injection system further includes master control set, described
Master control set and the control of the flow harvester and output control valve connect, for controlling the output of ammonia.
Preferably, in above-mentioned ammonia electric-controlling injection system, the pressure-regulating valve is specially mechanical relief valve, is used for from institute
State the ammonia that ammonia storage tank output pressure is constant preset value.
Preferably, in above-mentioned ammonia electric-controlling injection system, the pressure-regulating valve is specially to input solenoid valve, the input
Solenoid valve and master control set control connect, and master control set controls institute according to the detection data that the flow harvester obtains
State the opening and closing of input solenoid valve.
Preferably, in above-mentioned ammonia electric-controlling injection system, the flow harvester is connected with pressure detecting module, described
Master control set controls the opening and closing of the input solenoid valve according to the pressure data that the pressure detecting module obtains.
Ammonia electric-controlling injection system provided by the utility model, comprising: ammonia storage tank, for storing and discharging ammonia；Flow
Acquisition device is connected to the ammonia storage tank, and the other end is connected to ammonia output pipe, and the flow harvester passes through for measuring
Ammonia amount；Pressure-regulating valve is set on the pipeline between ammonia storage tank and flow harvester, defeated from ammonia storage tank for controlling
Ammonia air pressure out.The system design of ammonia output, is arranged flow harvester on the output pipe of ammonia storage tank, to obtain
The spray volume of ammonia achievees the purpose that export precision, to solve the problems, such as that it is unstable that ammonia storage tank exports, in the output of ammonia storage tank
The structure of end setting pressure-regulating valve, is controlled the gas pressure for exporting ammonia storage tank by the design, by gas output
In default range, to achieve the effect that stablize output, it is defeated to ammonia in the process that subsequent output has been effectively ensured in pressure control
The accuracy of control and the metering of output avoids wasting to guarantee the actual demand of the flux matched tail gas clean-up of ammonia of output
Leakage or purification are not thorough, and it is unstable to efficiently solve current ammonia output design discharge, and ammonia output is caused to be difficult to essence
The technical issues of trueization.
Detailed description of the invention
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, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the system structure diagram of ammonia electric-controlling injection system provided by the embodiment of the utility model；
Fig. 2 is the system structure diagram of another ammonia electric-controlling injection system provided by the embodiment of the utility model.
It is marked in attached drawing as follows:
Ammonia storage tank 1, flow harvester 2, pressure-regulating valve 3, master control set 4, output control valve 5.
Specific embodiment
The utility model embodiment discloses a kind of ammonia electric-controlling injection system, to solve current ammonia output design discharge
It is unstable, cause ammonia output to be difficult to the technical issues of refining.
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
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the system structure that Fig. 1 is ammonia electric-controlling injection system provided by the embodiment of the utility model is illustrated
Figure.
The ammonia electric-controlling injection system that the embodiments of the present invention provide, comprising: ammonia storage tank 1, for storing and discharging
Ammonia, wherein the ammonia release of ammonia storage tank 1 has many influence factors, including gas in temperature, the absorption situation of adsorbent, tank
Density etc., therefore only be difficult to control ammonia output stabilization with the structure of ammonia storage tank 1；It further include flow harvester 2,
It is connected to ammonia storage tank 1, the other end is connected to ammonia output pipe, and flow harvester 2 is for measuring the ammonia amount passed through；Pressure tune
Valve 3 is saved, is set on the pipeline between ammonia storage tank 1 and flow harvester 2, for controlling the ammonia gas exported from ammonia storage tank 1
Pressure.
The system design of ammonia output, is arranged flow harvester 2, on the output pipe of ammonia storage tank 1 to obtain ammonia
The spray volume of gas achievees the purpose that export precision, to solve the problems, such as that it is unstable that ammonia storage tank 1 exports, in the output of ammonia storage tank 1
The gas pressure for exporting ammonia storage tank 1 is controlled by the design, gas is exported by the structure of end setting pressure-regulating valve 3
Pressure control in default range, to achieve the effect that stablize output, be effectively ensured during subsequent output to ammonia
The accuracy of control and the metering of output quantity avoids wave to guarantee the actual demand of the flux matched tail gas clean-up of ammonia of output
Expense leakage or purification are not thorough, and it is unstable to solve currently used ammonia output design discharge, cause ammonia output difficult
The technical issues of to refine.
It is accurately controlled to reach the ammonia ejection of output end, output control valve 5 is provided on ammonia output pipe, for controlling
The quantitative output of ammonia processed；Ammonia electric-controlling injection system further includes master control set 4, master control set 4 and flow harvester 2 and defeated
The control of control valve 5 connection out, for controlling the output of ammonia.
This design provided in this embodiment by the way that output control valve 5 is arranged on ammonia output pipe, and is filled with master control
The opening and closing work for setting 4 control valves, ammonia output end output pressure substantially in a certain range when, can be realized ammonia injection
Amount accurately controls, and enables to the accuracy of control and the metering of ammonia output quantity during exporting, to guarantee the ammonia of output
The actual demand of flux matched tail gas clean-up avoids waste from leaking or purify and is not thorough.
For the specific design for optimizing pressure-regulating valve 3 in above-mentioned ammonia electric-controlling injection system, the present embodiment technical side is proposed
Case: pressure-regulating valve 3 is specially mechanical relief valve, for being the ammonia of constant preset value from 1 output pressure of ammonia storage tank.Wherein machine
Tool pressure reducing valve refers to by adjusting, and inlet pressure is reduced to the exit pressure levels of a certain needs, and by the energy of medium itself
Amount makes outlet pressure automatically keep stable valve, and mechanical relief valve is only to be designed by own institutions, does not need automatically controlled, gas
Other external connection powers such as control can reach such valve of the effect, can be preferably real by the design of mechanical relief valve
The stabilization of existing ammonia output pressure, and have structure simple, implement easy to operate, the lower advantage of design cost.
Referring to Fig. 2, Fig. 2 is the system structure of another ammonia electric-controlling injection system provided by the embodiment of the utility model
Schematic diagram.
It is similar with above-described embodiment principle, the design of another pressure-regulating valve 3 is present embodiments provided, pressure is adjusted
Valve 3 is specially to input solenoid valve, and input solenoid valve and the control of master control set 4 connect, and master control set 4 is according to flow harvester 2
The opening and closing of the detection data control input solenoid valve of acquisition.
The mechanical relief valve in above-described embodiment is replaced using the design that master control set 4 controls solenoid valve in the present embodiment,
The effect of stable output pressure can be equally obtained, in addition to this can accomplish to adapt to by pipeline by solenoid valve control ammonia
Property control effect, that is, be more suitable the ammonia release conditions of current ammonia storage tank 1 and the ammonia Expenditure Levels of output end.
The present embodiment design is to make further extension, flow collection on the basis of above-described embodiment technical solution
Device 2 is connected with pressure detecting module, the pressure data control input solenoid valve that master control set 4 is obtained according to pressure detecting module
Opening and closing.
Because having pressure detecting module on flow harvester 2, master control set 4 can be to flowing through flow harvester 2
Gas pressure be monitored, the folding of solenoid valve is controlled according to gas pressure with this, to control pressure,
It enables and subsequent purification consumption is more suitable for by the ammonia amount of flow harvester 2, can adapt to ammonia storage tank 1 with season ammonia release
Actual conditions.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily 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 present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (6)
1. a kind of ammonia electric-controlling injection system characterized by comprising
Ammonia storage tank, for storing and discharging ammonia；
Flow harvester is connected to the ammonia storage tank, and the other end is connected to ammonia output pipe, and the flow harvester is used for
Measure the ammonia amount passed through；
Pressure-regulating valve is set on the pipeline between ammonia storage tank and flow harvester, for controlling from ammonia storage tank output
Ammonia air pressure.
2. ammonia electric-controlling injection system according to claim 1, which is characterized in that be provided on the ammonia output pipe
Output control valve, for controlling the quantitative output of ammonia.
3. ammonia electric-controlling injection system according to claim 2, which is characterized in that the ammonia electric-controlling injection system also wraps
It includes master control set, the master control set and the flow harvester and output control valve control connects, for controlling ammonia
Output.
4. ammonia electric-controlling injection system according to claim 3, which is characterized in that the pressure-regulating valve is specially machinery
Pressure reducing valve, for being the ammonia of constant preset value from the ammonia storage tank output pressure.
5. ammonia electric-controlling injection system according to claim 3, which is characterized in that the pressure-regulating valve is specially to input
Solenoid valve, the input solenoid valve and master control set control connect, and master control set is obtained according to the flow harvester
Detection data control it is described input solenoid valve opening and closing.
6. ammonia electric-controlling injection system according to claim 5, which is characterized in that the flow harvester is connected with pressure
Power detection module, the master control set control the input solenoid valve according to the pressure data that the pressure detecting module obtains
Opening and closing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821832430.XU CN209053665U (en) | 2018-11-06 | 2018-11-06 | A kind of ammonia electric-controlling injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821832430.XU CN209053665U (en) | 2018-11-06 | 2018-11-06 | A kind of ammonia electric-controlling injection system |
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| Publication Number | Publication Date |
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| CN209053665U true CN209053665U (en) | 2019-07-02 |
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| CN201821832430.XU Active CN209053665U (en) | 2018-11-06 | 2018-11-06 | A kind of ammonia electric-controlling injection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098822A (en) * | 2018-11-06 | 2018-12-28 | 长春汽四环腾达油脂化工有限公司 | A kind of ammonia electric-controlling injection system |
-
2018
- 2018-11-06 CN CN201821832430.XU patent/CN209053665U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109098822A (en) * | 2018-11-06 | 2018-12-28 | 长春汽四环腾达油脂化工有限公司 | A kind of ammonia electric-controlling injection system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200908 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: 20210708 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. |