CN105090584A - Ventilation device for urea solution tank - Google Patents
Ventilation device for urea solution tank Download PDFInfo
- Publication number
- CN105090584A CN105090584A CN201510549611.6A CN201510549611A CN105090584A CN 105090584 A CN105090584 A CN 105090584A CN 201510549611 A CN201510549611 A CN 201510549611A CN 105090584 A CN105090584 A CN 105090584A
- Authority
- CN
- China
- Prior art keywords
- valve body
- urea solution
- solution tank
- described valve
- gas permeable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/04—Devices, e.g. valves, for venting or aerating enclosures for venting only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
Abstract
The invention discloses a ventilation device for a urea solution tank. The ventilation device comprises a valve deck, a valve body, a ventilation membrane, an exhaust assembly and a sealing assembly, wherein the valve body is installed at an open hole in the upper portion of a tank body of the urea solution tank through the sealing assembly; the open hole is located above the liquid level of a urea solution inside the urea solution tank; the valve deck is installed at the upper portion of the valve body through a buckle structure, and an extending portion is arranged on the inner wall of the valve body; a center exhaust hole is formed in the center of the extending portion, and the ventilation membrane is installed on the step face inside an opening position at the upper portion of the valve body; the exhaust assembly is arranged on the valve deck, and a plurality of small ventilation holes are formed in the bottom of the valve body. According to the ventilation device for the urea solution tank, the valve deck and the valve body are connected through the buckle structure, the structure is simple, and disassembling and assembling are convenient and rapid; meanwhile, gas inside the tank body can be effectively vented through the ventilation membrane, so that the tank body is prevented from expanding; and the phenomenon that the urea solution is sprayed out to form crystals can be avoided.
Description
Technical field
The present invention relates to a kind of urea solution tank, particularly relate to a kind of urea solution tank gas permeable devices for selective catalytic conversion system of diesel engine.
Background technique
Referring to for selective catalytic conversion system of diesel engine SCR (SelectiveCatalystReduction) is arranged in diesel engine automobile air exhausting system, and the NOx in diesel emission is catalysed and reduced into N
2and O
2catalytic reduction device, select aqueous solution of urea as reducing agent.Aqueous solution of urea is ejected in the outlet pipe of catalyzer upstream, and under the effect of exhaust gas temperature and air-flow, hydrolysis is produced as CO
2and ammonia, NOx is reduced into free of contamination nitrogen and water as reducing agent by ammonia.
Urea solution tank is requisite vitals in SCR system, for storing the urea liquid for SCR system, urea solution tank is at filling urea liquid and need in use to get rid of gas in tank, otherwise urea tank can produce swelling because gas cannot get rid of.Therefore most urea solution tank is provided with gas permeable devices, traditional urea solution tank gas permeable devices generally in urea tank cover device integrated resuscitation apparatus in order to exhaust; This structure at cover device integrated form, in concrete using process, exists that the vapor permeation area of gas permeable devices is too small or airing efficiency is too low, tank interior gas in use all can be caused to discharge in time, cause tank body to expand.
Summary of the invention
The object of the present invention is to provide a kind of urea solution tank gas permeable devices, it has the advantages that structure is simple, dismounting is convenient and can not produce leakage.To solve the problems referred to above for the urea solution tank gas permeable devices existence in selective catalytic conversion system of diesel engine in prior art.
For reaching this object, the present invention by the following technical solutions:
A kind of urea solution tank gas permeable devices, it comprises valve gap, valve body, breathable film, discharge means and black box, wherein, described valve body is installed on the tapping on urea liquid tank top by black box, described tapping is positioned on the liquid level of urea solution tank urea liquid, described valve gap is installed on the top of described valve body by buckle structure, the inwall of described valve body is provided with extension part, the center of described extension part offers central exhaust port, described breathable film is installed on the step surface in the upper opening place of described valve body, described discharge means is arranged on described valve gap, the bottom of described valve body offers several small ventilating holes.
Especially, described discharge means comprises the exhaust hole be opened on described valve gap, described exhaust hole is provided with the air pipe be in communication with the outside.
Especially, described discharge means comprises several boss be arranged on described valve gap madial wall, described boss all offering the oblong air hole for being connected with the external world by valve inner, coordinating described boss that the outer rim of described valve body is provided with several containing grooves.
Especially, described buckle structure comprises several dops be arranged at intervals on described valve gap madial wall, coordinates described dop in the outer rim of described valve body, be provided with several draw-in grooves, and described dop is stuck in described draw-in groove and is connected on described valve body by valve gap.
Especially, described extension part is set to up big and down small cone structure, to increase the vapor permeation area of breathable film, and described extension part is arranged at intervals with some radial stiffening ribs.
Especially, described black box is at least one " O " type rubber seal being arranged at described valve body lower portion, and described in coordinating, " O " type rubber seal is provided with the notch for preventing seal ring neglected loading or landing in the bottom of described valve body.
Beneficial effect of the present invention is, compared with prior art the valve gap of described urea solution tank gas permeable devices is connected by buckle structure with valve body, and structure is simple, dismounting is convenient; Breathable film effectively can give the gas in tank body simultaneously, prevents tank body from expanding; Urea liquid can be stoped to spray and to form crystalline solid.
Accompanying drawing explanation
Fig. 1 is the explosive view of the urea solution tank gas permeable devices that the specific embodiment of the invention 1 provides;
Fig. 2 is the perspective view of the valve gap of the urea solution tank gas permeable devices that the specific embodiment of the invention 1 provides;
Fig. 3 is the another perspective view of the valve gap of the urea solution tank gas permeable devices that the specific embodiment of the invention 1 provides;
Fig. 4 is the perspective view of the valve body of the urea solution tank gas permeable devices that the specific embodiment of the invention 1 provides;
Fig. 5 is the another perspective view of the valve body of the urea solution tank gas permeable devices that the specific embodiment of the invention 1 provides;
Fig. 6 is the explosive view of the urea solution tank gas permeable devices that the specific embodiment of the invention 2 provides;
Fig. 7 is the perspective view of the valve gap of the urea solution tank gas permeable devices that the specific embodiment of the invention 2 provides;
Fig. 8 is the another perspective view of the valve gap of the urea solution tank gas permeable devices that the specific embodiment of the invention 2 provides;
Fig. 9 is the perspective view of the valve body of the urea solution tank gas permeable devices that the specific embodiment of the invention 2 provides;
Figure 10 is the another perspective view of the valve body of the urea solution tank gas permeable devices that the specific embodiment of the invention 2 provides.
In figure:
1, valve gap; 2, valve body; 3, breathable film; 4, " O " type rubber seal; 5, dop; 6, draw-in groove; 7, extension part; 8, central exhaust port; 9, stiffening rib; 10, step surface; 11, small ventilating holes; 12, exhaust hole; 13, air pipe; 14, boss; 15, air hole; 16, containing groove.
Embodiment
Technological scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Embodiment one:
Refer to shown in Fig. 1 to Fig. 5, in the present embodiment, a kind of urea solution tank gas permeable devices comprises valve gap 1, valve body 2, breathable film 3, discharge means and " O " type rubber seal 4, described valve body 2 is installed on the tapping on urea liquid tank top by " O " type rubber seal 4, described tapping is positioned on the liquid level of urea solution tank urea liquid, the madial wall of described valve gap 1 is arranged at intervals with several dops 5, coordinate described dop 5 in the outer rim of described valve body 2, be provided with several draw-in grooves 6, described dop 5 is stuck in described draw-in groove 6 and is connected on described valve body 2 by valve gap 1.
The inwall of described valve body 2 is provided with extension part 7, the center of described extension part 7 offers central exhaust port 8, described extension part 7 is set to up big and down small cone structure, to increase the vapor permeation area of breathable film 3, and described extension part 7 is arranged at intervals with some radial stiffening ribs 9.Described breathable film 3 is installed on the step surface 10 in the upper opening place of described valve body 2, the bottom of described valve body 2 offers several small ventilating holes 11, and the bottom of described valve body 2 is provided with the notch for preventing seal ring neglected loading or landing, described " O " type rubber seal 4 is arranged in notch.
Described discharge means comprises the exhaust hole 12 be opened on described valve gap 1, described exhaust hole 12 is provided with the air pipe 13 be in communication with the outside, and realizes valve body 2 inside be communicated with extraneous by air pipe 13.
Embodiment two:
Refer to shown in Fig. 6 to Figure 10, in the present embodiment, a kind of urea solution tank gas permeable devices comprises valve gap 1, valve body 2, breathable film 3, discharge means and " O " type rubber seal 4, described valve body 2 is installed on the tapping on urea liquid tank top by " O " type rubber seal 4, described tapping is positioned on the liquid level of urea solution tank urea liquid, the madial wall of described valve gap 1 is arranged at intervals with several dops 5, coordinate described dop 5 in the outer rim of described valve body 2, be provided with several draw-in grooves 6, described dop 5 is stuck in described draw-in groove 6 and is connected on described valve body 2 by valve gap 1.
The inwall of described valve body 2 is provided with extension part 7, the center of described extension part 7 offers central exhaust port 8, described extension part 7 is set to up big and down small cone structure, to increase the vapor permeation area of breathable film 3, and described extension part 7 is arranged at intervals with some radial stiffening ribs 9.Described breathable film 3 is installed on the step surface 10 in the upper opening place of described valve body 2, the bottom of described valve body 2 offers several small ventilating holes 11, and the bottom of described valve body 2 is provided with the notch for preventing seal ring neglected loading or landing, described " O " type rubber seal 4 is arranged in notch.
Described discharge means comprises several boss 14 be arranged on described valve gap 1 madial wall, described boss 14 all offers the oblong air hole 15 for being connected in valve body 2 inside and the external world, coordinate described boss 14 that the outer rim of described valve body 2 is provided with several containing grooves 16, valve gap 1 is installed to after on valve body 2, and described boss 14 is positioned at described containing groove 16.
Above embodiment has just set forth basic principle of the present invention and characteristic; the present invention does not limit by above-mentioned example; without departing from the spirit and scope of the present invention, the present invention also has various change and change, and these changes and change all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (6)
1. a urea solution tank gas permeable devices, it comprises valve gap, valve body, breathable film, discharge means and black box, it is characterized in that, described valve body is installed on the tapping on urea liquid tank top by black box, described tapping is positioned on the liquid level of urea solution tank urea liquid, described valve gap is installed on the top of described valve body by buckle structure, the inwall of described valve body is provided with extension part, the center of described extension part offers central exhaust port, described breathable film is installed on the step surface in the upper opening place of described valve body, described discharge means is arranged on described valve gap, the bottom of described valve body offers several small ventilating holes.
2. urea solution tank gas permeable devices according to claim 1, is characterized in that, described discharge means comprises the exhaust hole be opened on described valve gap, described exhaust hole is provided with the air pipe be in communication with the outside.
3. urea solution tank gas permeable devices according to claim 1, it is characterized in that, described discharge means comprises several boss be arranged on described valve gap madial wall, described boss all offering the oblong air hole for being connected with the external world by valve inner, coordinating described boss that the outer rim of described valve body is provided with several containing grooves.
4. urea solution tank gas permeable devices according to claim 1, it is characterized in that, described buckle structure comprises several dops be arranged at intervals on described valve gap madial wall, coordinate described dop in the outer rim of described valve body, be provided with several draw-in grooves, described dop is stuck in described draw-in groove and is connected on described valve body by valve gap.
5. urea solution tank gas permeable devices according to claim 1, is characterized in that, described extension part is set to up big and down small cone structure, and described extension part is arranged at intervals with some radial stiffening ribs.
6. urea solution tank gas permeable devices according to claim 1, it is characterized in that, described black box is at least one " O " type rubber seal being arranged at described valve body lower portion, and described in coordinating, " O " type rubber seal is provided with the notch for preventing seal ring neglected loading or landing in the bottom of described valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510549611.6A CN105090584B (en) | 2015-08-31 | 2015-08-31 | A kind of urea solution tank gas permeable devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510549611.6A CN105090584B (en) | 2015-08-31 | 2015-08-31 | A kind of urea solution tank gas permeable devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105090584A true CN105090584A (en) | 2015-11-25 |
| CN105090584B CN105090584B (en) | 2019-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510549611.6A Active CN105090584B (en) | 2015-08-31 | 2015-08-31 | A kind of urea solution tank gas permeable devices |
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| CN (1) | CN105090584B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673160A (en) * | 2016-03-09 | 2016-06-15 | 凯龙高科技股份有限公司 | Urea solution locking tank cover assembly |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202006007789U1 (en) * | 2006-05-09 | 2006-10-19 | Hidde, Axel R., Dr. Ing. | Exhaust and ventilation automat e.g. for small units and systems has guide pin is connected with screw plug for controlling valve opening closing mechanism of membrane components and floats |
| CN201896653U (en) * | 2010-11-19 | 2011-07-13 | 东莞正扬电子机械有限公司 | Splash-proof air valve of urea box |
| CN202302175U (en) * | 2011-09-27 | 2012-07-04 | 江钦忠 | Waterproof dustproof ventilation valve structure |
| CN202851119U (en) * | 2012-08-28 | 2013-04-03 | 亚普汽车部件股份有限公司 | Automobile urea tank |
| CN203743557U (en) * | 2014-03-22 | 2014-07-30 | 刘向民 | Waterproof ventilation valve |
| CN104373178A (en) * | 2014-10-29 | 2015-02-25 | 凯龙高科技股份有限公司 | Urea solution tank filling assembly used for SCR system |
| CN205013788U (en) * | 2015-08-31 | 2016-02-03 | 凯龙高科技股份有限公司 | Urea solution jar device of breathing freely |
-
2015
- 2015-08-31 CN CN201510549611.6A patent/CN105090584B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202006007789U1 (en) * | 2006-05-09 | 2006-10-19 | Hidde, Axel R., Dr. Ing. | Exhaust and ventilation automat e.g. for small units and systems has guide pin is connected with screw plug for controlling valve opening closing mechanism of membrane components and floats |
| CN201896653U (en) * | 2010-11-19 | 2011-07-13 | 东莞正扬电子机械有限公司 | Splash-proof air valve of urea box |
| CN202302175U (en) * | 2011-09-27 | 2012-07-04 | 江钦忠 | Waterproof dustproof ventilation valve structure |
| CN202851119U (en) * | 2012-08-28 | 2013-04-03 | 亚普汽车部件股份有限公司 | Automobile urea tank |
| CN203743557U (en) * | 2014-03-22 | 2014-07-30 | 刘向民 | Waterproof ventilation valve |
| CN104373178A (en) * | 2014-10-29 | 2015-02-25 | 凯龙高科技股份有限公司 | Urea solution tank filling assembly used for SCR system |
| CN205013788U (en) * | 2015-08-31 | 2016-02-03 | 凯龙高科技股份有限公司 | Urea solution jar device of breathing freely |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673160A (en) * | 2016-03-09 | 2016-06-15 | 凯龙高科技股份有限公司 | Urea solution locking tank cover assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105090584B (en) | 2019-02-12 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A ventilation device for urea solution tank Effective date of registration: 20210727 Granted publication date: 20190212 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi Xishan branch Pledgor: KAILONG HIGH TECHNOLOGY Co.,Ltd. Registration number: Y2021320010276 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |