CN105201601A - Automobile urea solution heating device and method - Google Patents
Automobile urea solution heating device and method Download PDFInfo
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- CN105201601A CN105201601A CN201510685163.2A CN201510685163A CN105201601A CN 105201601 A CN105201601 A CN 105201601A CN 201510685163 A CN201510685163 A CN 201510685163A CN 105201601 A CN105201601 A CN 105201601A
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- urea
- pressure
- main frame
- vehicle solution
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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 heating means.
Background technique
In prior art, urea for vehicle solution mode of heating is generally: electric heating and heating engines, but all there is respective shortcoming in this electric heating and heating engines mode:
(1) existing Electric heating needs heating stick to be inserted in solution, can pollute like this, and the efficiency of heating surface is low to urea for vehicle solution;
(2) although existing heating engines function can meet, complex structure, cost is high.
Summary of the invention
Main purpose of the present invention is to provide a kind of urea for vehicle solution heating device and heating means, complicated to solve urea for vehicle solution heating arrangement of the prior art, the problem that cost is high.
To achieve these goals, according to an aspect of the present invention, provide a kind of urea for vehicle solution heating device, comprising: agitator tank, the periphery wall of agitator tank is provided with coil pipe; Main frame, main frame is connected with coil pipe, and the pipeline between main frame and coil pipe is provided with pressure relief device.
Further, main frame is connected with the entrance point of coil pipe by the first pipeline, and main frame is connected with the outlet end of coil pipe by second pipe, wherein, second pipe is provided with pressure relief device.
Further, main frame inside is provided with the compressor of the gaseous coolant for the gaseous coolant of low-temp low-pressure being converted to High Temperature High Pressure and converts the vaporizer of the liquid refrigerants of cryogenic high pressure after being used for that the gaseous coolant of High Temperature High Pressure is carried out heat exchange to, and compressor is connected with vaporizer.
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, provide a kind of urea for vehicle solution heating means, comprise urea for vehicle solution heating device, urea for vehicle solution heating device is above-mentioned urea for vehicle solution heating device, urea for vehicle solution heating means comprise the following steps: step S01: start the gaseous coolant that the gaseous coolant of low-temp low-pressure is converted to High Temperature High Pressure by main frame, the gaseous coolant of High Temperature High Pressure enters in the coil pipe be arranged on the periphery wall of agitator tank and carries out heat exchange with the urea mixed solution in agitator tank; Step S02: the liquid refrigerants converting cryogenic high pressure after the gaseous coolant of High Temperature High Pressure carries out heat exchange to, the liquid refrigerants of cryogenic high pressure converts the liquid refrigerants of low-temp low-pressure to by pressure relief device, the liquid refrigerants of low-temp low-pressure enters in main frame; Repeat above-mentioned steps S01 and step S02.
Further, further comprising the steps of before step S01: before step S01, in agitator tank, prepare the urea liquid mixed solution that certain density urea liquid mixes with ultrapure aqueous phase.
Further, the gaseous coolant of the low-temp low-pressure in step S01 forms the gaseous coolant of High Temperature High Pressure after entering the compressor in main frame.
Further, the liquid refrigerants of low-temp low-pressure forms the gaseous coolant of low-temp low-pressure after the vaporizer of main frame carries out heat exchange.
Further, the gaseous coolant of High Temperature High Pressure flows into coil pipe by the first pipeline, and the liquid refrigerants of low-temp low-pressure is flowed in main frame by second pipe.
Apply technological scheme of the present invention, the periphery wall of agitator tank is provided with coil pipe, is connected with main frame by coil pipe, and be provided with pressure relief device between main frame and coil pipe.Adopt this technological scheme, urea for vehicle solution can be made in the process of heating secondary pollution can not to occur, and this device arranges simply, effectively can solve the problem that the efficiency of heating surface is low and heating engines mode cost is high of Electric heating.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form 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 comprises the following drawings mark:
10, agitator tank; 20, main frame.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figure 1, present embodiments provide a kind of urea for vehicle solution heating device, comprise agitator tank 10 and main frame 20.The periphery wall of agitator tank 10 is provided with coil pipe.Main frame 20 is connected with coil pipe, and the pipeline between main frame 20 and coil pipe is provided with pressure relief device.
In the present embodiment, the periphery wall of agitator tank 10 is provided with coil pipe, is connected with main frame 20 by coil pipe, and be provided with pressure relief device between main frame 20 and coil pipe.Adopt this technological scheme, urea for vehicle solution can be made in the process of heating secondary pollution can not to occur, and this device arranges simply, effectively can solve the problem that the efficiency of heating surface is low and heating engines mode cost is high of Electric heating.Use device of the present invention effectively can improve the efficiency of heating surface, also play the effect of energy-conserving and environment-protective.
In the present embodiment, main frame 20 is connected with the entrance point of coil pipe by the first pipeline, and main frame 20 is connected with the outlet end of coil pipe by second pipe, wherein, second pipe is provided with pressure relief device.Be provided with the mixed solution be beneficial in agitator tank 10 so effectively to heat.Wherein, main frame 20 inside is provided with the compressor of the gaseous coolant for the gaseous coolant of low-temp low-pressure being converted to High Temperature High Pressure and converts the vaporizer of the liquid refrigerants of cryogenic high pressure after being used for that the gaseous coolant of High Temperature High Pressure is carried out heat exchange to, and compressor is connected with vaporizer.In order to better realize effectively heating the mixed solution in agitator tank 10, compressor is preferably heat pump compressor, and coil pipe is copper pipe or other pipelines being conducive to carrying out refrigerant transport and can carrying out High Efficiency Thermal exchange, and pressure relief device can be expansion valve.
In the second embodiment of the present invention, a kind of urea for vehicle solution heating means are provided, these urea for vehicle solution heating means mainly realize with above-mentioned urea for vehicle solution heating device, urea for vehicle solution heating means comprise the following steps, be specially: step S01: start the gaseous coolant that the gaseous coolant of low-temp low-pressure is converted to High Temperature High Pressure by main frame 20, the gaseous coolant of High Temperature High Pressure enters in the coil pipe on the periphery wall being arranged at agitator tank 10 and carries out heat exchange with the urea mixed solution in agitator tank 10; Step S02: the liquid refrigerants converting cryogenic high pressure after the gaseous coolant of High Temperature High Pressure carries out heat exchange to, the liquid refrigerants of cryogenic high pressure converts the liquid refrigerants of low-temp low-pressure to by pressure relief device, the liquid refrigerants of low-temp low-pressure enters in main frame 20; Repeat above-mentioned steps S01 and step S02.
Adopt this urea for vehicle solution heating means, urea for vehicle solution can be made in the process of heating secondary pollution can not to occur, and the method is simple to operate, the problem that the efficiency of heating surface is low and heating engines mode cost is high of Electric heating effectively can be solved.Use the method effectively can improve the efficiency of heating surface of Electric heating, also play the effect of energy-conserving and environment-protective.
Wherein, before step S01, be also included in agitator tank 10 the urea liquid mixed solution prepared certain density urea liquid and mix with ultrapure aqueous phase.Make that urea for vehicle solution is more efficient in the process of heating, safety like this.
In the present embodiment, the gaseous coolant of the low-temp low-pressure in step S01 forms the gaseous coolant of High Temperature High Pressure after entering the compressor in main frame 20.
The liquid refrigerants of low-temp low-pressure forms the gaseous coolant of low-temp low-pressure after the vaporizer of main frame 20 carries out heat exchange.
The gaseous coolant of High Temperature High Pressure flows into coil pipe by the first pipeline, and the liquid refrigerants of low-temp low-pressure is flowed in main frame 20 by second pipe.
As shown in Figure 1, in the present embodiment, the agitator tank 10 being wound with copper pipe by main frame 20 and surface forms, when PLC (a kind of programmable logic controller (PLC)), when opening and closing for controlling electric device in equipment sends heating open command to main frame 20, main frame starts immediately, utilize inverse Carnot's cycle principle, the heat pump compressor acting be arranged in main frame 20 converts high pressure gaseous refrigerant to low-temp low-pressure gaseous coolant, described refrigerant enters in the coil pipe of agitator tank 10 via the first pipeline, agitator tank 10 adds the ultra-pure water mixed liquid of a certain amount of urea and corresponding proportioning in advance, high pressure gaseous refrigerant carries out heat exchange by the mixed liquid in the stainless steel inwall of agitator tank 10 and agitator tank 10 and is transformed into cryogenic high pressure liquid refrigerants, then low-temp low-pressure liquid refrigerants is become via the second pipeline by expansion valve decompression transfer, described refrigerant becomes low-temp low-pressure gaseous coolant through being arranged on the heat energy in the absorption of the vaporizer in main frame air, and then enter into heat pump compressor, circulate and so forth, namely the heating to urea for vehicle solution can be completed.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
Apply technological scheme of the present invention, the periphery wall of agitator tank is provided with coil pipe, is connected with main frame by coil pipe, and be provided with pressure relief device between main frame and coil pipe.Adopt this technological scheme, urea for vehicle solution can be made in the process of heating secondary pollution can not to occur, and this device arranges simply, effectively can solve the problem that the efficiency of heating surface is low and heating engines mode cost is high of Electric heating.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a urea for vehicle solution heating device, is characterized in that, comprising:
Agitator tank (10), the periphery wall of described agitator tank (10) is provided with coil pipe;
Main frame (20), described main frame (20) is connected with described coil pipe, and the pipeline between described main frame (20) and described coil pipe is provided with pressure relief device.
2. urea for vehicle solution heating device according to claim 1, it is characterized in that, described main frame (20) is connected by the entrance point of the first pipeline with described coil pipe, described main frame (20) is connected by the outlet end of second pipe with described coil pipe, wherein, described second pipe is provided with described pressure relief device.
3. urea for vehicle solution heating device according to claim 1, it is characterized in that, described main frame (20) inside is provided with the compressor of the gaseous coolant for the gaseous coolant of low-temp low-pressure being converted to High Temperature High Pressure and converts the vaporizer of the liquid refrigerants of cryogenic high pressure after being used for that the gaseous coolant of High Temperature High Pressure is carried out heat exchange to, and described compressor is connected with described vaporizer.
4. urea for vehicle solution heating device according to claim 3, is characterized in that, described compressor is heat pump compressor.
5. urea for vehicle solution heating device according to claim 1, is characterized in that, described coil pipe is copper pipe.
6. urea for vehicle solution heating device according to claim 1, is characterized in that, described pressure relief device is expansion valve.
7. urea for vehicle solution heating means, comprise urea for vehicle solution heating device, it is characterized in that, the urea for vehicle solution heating device of described urea for vehicle solution heating device according to any one of claim 1 to 6, described urea for vehicle solution heating means comprise the following steps:
Step S01: start the gaseous coolant that the gaseous coolant of low-temp low-pressure is converted to High Temperature High Pressure by described main frame (20), the gaseous coolant of described High Temperature High Pressure enter be arranged at described agitator tank (10) periphery wall on described coil pipe in carry out heat exchange with the urea mixed solution in described agitator tank (10);
Step S02: the liquid refrigerants converting cryogenic high pressure after the gaseous coolant of described High Temperature High Pressure carries out heat exchange to, the liquid refrigerants of described cryogenic high pressure converts the liquid refrigerants of low-temp low-pressure to by pressure relief device, the liquid refrigerants of described low-temp low-pressure enters in described main frame (20);
Repeat above-mentioned steps S01 and step S02.
8. urea for vehicle solution heating means according to claim 7, is characterized in that, further comprising the steps of before described step S01:
Before step S01, the urea liquid mixed solution that the certain density urea liquid of preparation mixes with ultrapure aqueous phase in described agitator tank (10).
9. urea for vehicle solution heating means according to claim 7, is characterized in that, the gaseous coolant of the described low-temp low-pressure in described step S01 forms the gaseous coolant of described High Temperature High Pressure after entering the compressor in described main frame (20).
10. urea for vehicle solution heating means according to claim 7, is characterized in that, the liquid refrigerants of described low-temp low-pressure forms the gaseous coolant of described low-temp low-pressure after the vaporizer of described main frame (20) carries out heat exchange.
11. urea for vehicle solution heating means according to claim 7, it is characterized in that, the gaseous coolant of described High Temperature High Pressure flows into described coil pipe by the first pipeline, and the liquid refrigerants of described low-temp low-pressure is flowed in described main frame (20) by second pipe.
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 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510685163.2A CN105201601B (en) | 2015-10-19 | 2015-10-19 | Automobile urea solution heating device and method |
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| CN105201601A true CN105201601A (en) | 2015-12-30 |
| CN105201601B CN105201601B (en) | 2017-05-10 |
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| CN201510685163.2A Active CN105201601B (en) | 2015-10-19 | 2015-10-19 | Automobile urea solution heating device and method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4090558A (en) * | 1975-04-16 | 1978-05-23 | Daido Steel Co., Ltd. | Heat exchanging apparatus 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
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4090558A (en) * | 1975-04-16 | 1978-05-23 | Daido Steel Co., Ltd. | Heat exchanging apparatus 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 |
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| CN105201601B (en) | 2017-05-10 |
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