CN105201601B - Automobile urea solution heating device and method - Google Patents
Automobile urea solution heating device and method Download PDFInfo
- Publication number
- CN105201601B CN105201601B CN201510685163.2A CN201510685163A CN105201601B CN 105201601 B CN105201601 B CN 105201601B CN 201510685163 A CN201510685163 A CN 201510685163A CN 105201601 B CN105201601 B CN 105201601B
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- urea
- low
- main frame
- pressure
- coil pipe
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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
Abstract
The invention provides an automobile urea solution heating device and method. The device comprises a stirring tank and a main engine, wherein a coil pipe is arranged on the peripheral wall of the stirring tank; the main engine is communicated with the coil pipe; a pressure relief device is arranged on a pipeline between the main engine and the coil pipe. According to the technical scheme, the coil pipe is arranged on the peripheral wall of the stirring tank, the main engine is communicated with the coil pipe, and the pressure relief device is arranged on the pipeline between the main engine and the coil pipe. Through the adoption of the technical scheme, secondary pollution of an automobile urea solution in the heating process can be avoided, the device is simple in arrangement, and the problems of low heating efficiency of the electrical heating manner and high cost of the engine heating manner can be effectively solved.
Description
Technical field
The present invention relates to Vehicle Engineering technical field, in particular to a kind of urea for vehicle solution heating device and add
Thermal means.
Background technology
In prior art, for urea for vehicle solution mode of heating is generally：Electrical heating and engine are heated, but this electricity adds
All there is respective shortcoming in heat and engine mode of heating：
(1) existing Electric heating needs that heating rod is inserted in solution, and so urea for vehicle solution can be caused
Pollution, and the efficiency of heating surface is low；
(2) although existing engine heating function can meet, complex structure, cost is high.
The content of the invention
Present invention is primarily targeted at a kind of urea for vehicle solution heating device and heating means are provided, it is existing to solve
Urea for vehicle solution heating arrangement in technology is complicated, the high problem of cost.
To achieve these goals, according to an aspect of the invention, there is provided a kind of urea for vehicle solution heating device,
Including：Agitator tank, on the periphery wall of agitator tank coil pipe is provided with；Main frame, main frame is connected with coil pipe, between main frame and coil pipe
Pressure relief device is provided with pipeline.
Further, main frame is connected by the first pipeline with the entrance point of coil pipe, and main frame is by second pipe and coil pipe
The port of export be connected, wherein, pressure relief device is provided with second pipe.
Further, main frame is internally provided with cold for the gaseous coolant of low-temp low-pressure to be converted into the gaseous state of HTHP
The compressor of matchmaker and for carrying out the gaseous coolant of HTHP to be converted into the steaming of the liquid refrigerants of cryogenic high pressure after heat exchange
Device is sent out, compressor is connected with evaporimeter.
Further, compressor is heat pump compressor.
Further, coil pipe is copper pipe.
Further, pressure relief device is expansion valve.
According to another aspect of the present invention, there is provided a kind of urea for vehicle solution heating means, including urea for vehicle is molten
Liquid heater, urea for vehicle solution heating device is above-mentioned urea for vehicle solution heating device, and urea for vehicle solution is heated
Method is comprised the following steps：Step S01：The gaseous state that the gaseous coolant of low-temp low-pressure is converted into HTHP by startup main frame is cold
Matchmaker, the gaseous coolant of HTHP is entered to be arranged in the coil pipe on the periphery wall of agitator tank and mixes molten with the urea in agitator tank
Liquid carries out heat exchange；Step S02：The gaseous coolant of HTHP carries out being converted into the liquid refrigerants of cryogenic high pressure after heat exchange,
The liquid refrigerants of cryogenic high pressure is converted into the liquid refrigerants of low-temp low-pressure by pressure relief device, and the liquid refrigerants of low-temp low-pressure is entered
In main frame；Repeat the above steps S01 and step S02.
Further, it is further comprising the steps of before step S01：Before step S01, prepare certain dense in agitator tank
The urea liquid mixed liquor that the urea liquid of degree is mixed with ultra-pure water.
Further, high temperature is formed after the compressor that the gaseous coolant of the low-temp low-pressure in step S01 is entered in main frame high
The gaseous coolant of pressure.
Further, the liquid refrigerants of low-temp low-pressure forms the gas of low-temp low-pressure Jing after the evaporimeter of main frame carries out heat exchange
State refrigerant.
Further, the gaseous coolant of HTHP flows into coil pipe by the first pipeline, and the liquid refrigerants of low-temp low-pressure leads to
Cross second pipe to flow in main frame.
Using technical scheme, coil pipe is provided with the periphery wall of agitator tank, is connected with main frame by coil pipe
It is logical, and pressure relief device is provided between main frame and coil pipe.Using the technical scheme, enable to urea for vehicle solution and adding
Secondary pollution will not occur in the process of heat, and the device arranges simple, can effectively solve the heating of Electric heating
Low and engine mode of heating high cost the problem of efficiency.
Description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, and the present invention's shows
Meaning property embodiment and its illustrated for explaining the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the structural representation of urea for vehicle solution heating device according to an embodiment of the invention.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
10th, agitator tank；20th, main frame.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.
As shown in figure 1, a kind of urea for vehicle solution heating device is present embodiments provided, including agitator tank 10 and main frame
20.Coil pipe is provided with the periphery wall of agitator tank 10.Main frame 20 is connected with coil pipe, sets on the pipeline between main frame 20 and coil pipe
It is equipped with pressure relief device.
In the present embodiment, coil pipe is provided with the periphery wall of agitator tank 10, is connected with main frame 20 by coil pipe, and
And it is provided with pressure relief device between main frame 20 and coil pipe.Using the technical scheme, urea for vehicle solution is enabled in heating
During secondary pollution will not occur, and the device arranges simple, can effectively solve Electric heating plus thermal effect
Low and engine mode of heating high cost the problem of rate.The efficiency of heating surface can be effectively improved using the device of the present invention, is also acted as
The effect of energy-conserving and environment-protective.
In the present embodiment, main frame 20 is connected by the first pipeline with the entrance point of coil pipe, and main frame 20 passes through second pipe
Road is connected with the port of export of coil pipe, wherein, pressure relief device is provided with second pipe.So it is provided with beneficial to agitator tank 10
In mixed liquor effectively heated.Wherein, main frame 20 is internally provided with for the gaseous coolant of low-temp low-pressure to be converted into
The compressor of the gaseous coolant of HTHP and high for carrying out being converted into after heat exchange low temperature by the gaseous coolant of HTHP
The evaporimeter of the liquid refrigerants of pressure, compressor is connected with evaporimeter.In order to preferably realize to the mixed liquor in agitator tank 10
Effectively heated, compressor is preferably heat pump compressor, coil pipe be copper pipe or other be conducive to carrying out refrigerant transport and energy
The pipeline of efficient heat exchange is enough carried out, pressure relief device can be expansion valve.
In the second embodiment of the present invention, there is provided a kind of urea for vehicle solution heating means, the urea for vehicle solution adds
What thermal means was mainly realized with above-mentioned urea for vehicle solution heating device, urea for vehicle solution heating means include following
Step, specially：Step S01：Start the gaseous coolant that the gaseous coolant of low-temp low-pressure is converted into main frame 20 HTHP, it is high
The gaseous coolant of warm high pressure is entered to be arranged in the coil pipe on the periphery wall of agitator tank 10 and mixes molten with the urea in agitator tank 10
Liquid carries out heat exchange；Step S02：The gaseous coolant of HTHP carries out being converted into the liquid refrigerants of cryogenic high pressure after heat exchange,
The liquid refrigerants of cryogenic high pressure is converted into the liquid refrigerants of low-temp low-pressure by pressure relief device, and the liquid refrigerants of low-temp low-pressure is entered
In main frame 20；Repeat the above steps S01 and step S02.
Using the urea for vehicle solution heating means, enabling to urea for vehicle solution will not occur during heating
Secondary pollution, and the method is simple to operate, can effectively solve Electric heating the efficiency of heating surface is low and engine heating
The problem of mode high cost.The efficiency of heating surface of Electric heating can be effectively improved using the method, energy-conserving and environment-protective are also acted as
Effect.
Wherein, it is additionally included in before step S01 in agitator tank 10 and prepares certain density urea liquid and mutually mix with ultra-pure water
The urea liquid mixed liquor of conjunction.So cause urea for vehicle solution more efficient, safe in the process of heating.
In the present embodiment, formed after the compressor that the gaseous coolant of the low-temp low-pressure in step S01 is entered in main frame 20
The gaseous coolant of HTHP.
The liquid refrigerants of low-temp low-pressure forms the gaseous coolant of low-temp low-pressure Jing after the evaporimeter of main frame 20 carries out heat exchange.
The gaseous coolant of HTHP flows into coil pipe by the first pipeline, and the liquid refrigerants of low-temp low-pressure passes through second pipe
In flowing into main frame 20.
As shown in figure 1, in the present embodiment, the agitator tank 10 for being wound with copper pipe by main frame 20 and surface is constituted, as PLC (
Plant programmable logic controller (PLC)), it is main when the opening and closing for controlling electric device in equipment sends heating open command to main frame 20
Machine starts immediately, and using inverse Carnot cycle principle, the heat pump compressor acting being arranged in main frame 20 is cold low-temp low-pressure gaseous state
Matchmaker is converted into high pressure gaseous refrigerant, and the refrigerant is entered in the coil pipe of agitator tank 10 via the first pipeline, and agitator tank 10 is
The ultra-pure water mixed liquid of a certain amount of urea and corresponding proportioning, high pressure gaseous refrigerant is added to pass through agitator tank 10 not in advance
Mixed liquid in rust steel inwall and agitator tank 10 carries out heat exchange and is transformed into cryogenic high pressure liquid refrigerants, then via the second pipeline
Low-temp low-pressure liquid refrigerants is transformed into by expansion valve decompression, the refrigerant passes through the evaporimeter absorption air being arranged in main frame
In heat be transformed into low-temp low-pressure gaseous coolant, then enter back in heat pump compressor, and so on circulate, you can with complete
The heating of urea for vehicle solution in pairs.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：
Using technical scheme, coil pipe is provided with the periphery wall of agitator tank, is connected with main frame by coil pipe
It is logical, and pressure relief device is provided between main frame and coil pipe.Using the technical scheme, enable to urea for vehicle solution and adding
Secondary pollution will not occur in the process of heat, and the device arranges simple, can effectively solve the heating of Electric heating
Low and engine mode of heating high cost the problem of efficiency.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of urea for vehicle solution heating means, including urea for vehicle solution heating device, the urea for vehicle solution heating
Device includes：
Agitator tank (10), on the periphery wall of the agitator tank (10) coil pipe is provided with；
Main frame (20), the main frame (20) is connected with the coil pipe, on the pipeline between the main frame (20) and the coil pipe
It is provided with pressure relief device；
Characterized in that, the urea for vehicle solution heating means are comprised the following steps：
Step S01：Start the gaseous coolant that the gaseous coolant of low-temp low-pressure is converted into the main frame (20) HTHP, it is described
The gaseous coolant of HTHP is entered and is arranged in the coil pipe on the periphery wall of the agitator tank (10) and the agitator tank
(10) the urea mixed solution in carries out heat exchange；
Step S02：The gaseous coolant of the HTHP carries out being converted into the liquid refrigerants of cryogenic high pressure after heat exchange, described low
The liquid refrigerants of warm high pressure is converted into the liquid refrigerants of low-temp low-pressure by pressure relief device, and the liquid refrigerants of the low-temp low-pressure enters
In entering the main frame (20)；
Repeat the above steps S01 and step S02.
2. urea for vehicle solution heating means according to claim 1, it is characterised in that also wrap before step S01
Include following steps：
Before step S01, the urine that certain density urea liquid is mixed with ultra-pure water is prepared in the agitator tank (10)
Plain solution mixed liquor.
3. urea for vehicle solution heating means according to claim 1, it is characterised in that described in step S01
The gaseous coolant of the HTHP is formed after the compressor that the gaseous coolant of low-temp low-pressure is entered in the main frame (20).
4. urea for vehicle solution heating means according to claim 1, it is characterised in that the liquid of the low-temp low-pressure is cold
Matchmaker forms the gaseous coolant of the low-temp low-pressure described in after the evaporimeter of main frame (20) carries out heat exchange.
5. urea for vehicle solution heating means according to claim 1, it is characterised in that the gaseous state of the HTHP is cold
Matchmaker flows into the coil pipe by the first pipeline, and the liquid refrigerants of the low-temp low-pressure flows into the main frame (20) by second pipe
In.
6. urea for vehicle solution heating means according to claim 1, it is characterised in that the main frame (20) is by first
Pipeline is connected with the entrance point of the coil pipe, and the main frame (20) is connected by second pipe with the port of export of the coil pipe
It is logical, wherein, the pressure relief device is provided with the second pipe.
7. urea for vehicle solution heating means according to claim 1, it is characterised in that arrange inside the main frame (20)
There is compressor for the gaseous coolant of low-temp low-pressure to be converted into the gaseous coolant of HTHP and for by HTHP
Gaseous coolant carries out the evaporimeter of the liquid refrigerants that cryogenic high pressure is converted into after heat exchange, the compressor and the evaporimeter phase
Connection.
8. urea for vehicle solution heating means according to claim 7, it is characterised in that the compressor is heat pump compression
Machine.
9. urea for vehicle solution heating means according to claim 1, it is characterised in that the coil pipe is copper pipe.
10. urea for vehicle solution heating means according to claim 1, it is characterised in that the pressure relief device is expansion
Valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510685163.2A CN105201601B (en) | 2015-10-19 | 2015-10-19 | Automobile urea solution heating device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510685163.2A CN105201601B (en) | 2015-10-19 | 2015-10-19 | Automobile urea solution heating device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105201601A CN105201601A (en) | 2015-12-30 |
| CN105201601B true CN105201601B (en) | 2017-05-10 |
Family
ID=54949510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510685163.2A Active CN105201601B (en) | 2015-10-19 | 2015-10-19 | Automobile urea solution heating device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105201601B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1492520A (en) * | 1975-04-16 | 1977-11-23 | Daido Steel Co Ltd | Heat exchanger for industrial furnaces |
| CN201969502U (en) * | 2010-12-14 | 2011-09-14 | 南京龙源环保有限公司 | Continuous urea liquor preparing system |
| CN203499777U (en) * | 2013-09-30 | 2014-03-26 | 天津亿利汽车环保科技有限公司 | Pneumatic urea injection system |
| CN203756292U (en) * | 2014-02-25 | 2014-08-06 | 北汽福田汽车股份有限公司 | Heating device for SCR system urea container |
| CN204225972U (en) * | 2014-10-28 | 2015-03-25 | 江苏凯龙宝顿动力科技有限公司 | Use the Urea pipeline of band heating |
-
2015
- 2015-10-19 CN CN201510685163.2A patent/CN105201601B/en active Active
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| Publication number | Publication date |
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| CN105201601A (en) | 2015-12-30 |
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