CN205013788U - Urea solution jar device of breathing freely - Google Patents
Urea solution jar device of breathing freely Download PDFInfo
- Publication number
- CN205013788U CN205013788U CN201520669486.8U CN201520669486U CN205013788U CN 205013788 U CN205013788 U CN 205013788U CN 201520669486 U CN201520669486 U CN 201520669486U CN 205013788 U CN205013788 U CN 205013788U
- Authority
- CN
- China
- Prior art keywords
- valve body
- urea solution
- described valve
- solution tank
- valve gap
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses an urea solution jar device of breathing freely, it includes valve gap, valve body, ventilative diaphragm, exhaust subassembly and seal assembly, wherein, the valve body passes through seal assembly and installs in trompil department on urea solution jar body upper portion, trompil department is located on urea solution jar urea solution's the liquid level, the valve gap pass through buckle structure install in the upper portion of valve body, the inner wall of valve body is provided with the extension, the center department of extension has seted up center exhaust hole, ventilative diaphragm install in on the step face in the upper portion opening part of valve body, the exhaust subassembly set up in on the valve gap, the ventilative aperture of a plurality of has been seted up to the bottom of valve body. Above -mentioned urea solution jar device of breathing freely valve gap passes through buckle structure with the valve body to be connected, and simple structure, dismouting are convenient, simultaneously the ventilative diaphragm internal gas of jar of can effectively dialysing out prevents a jar volume expansion, can prevent the urea solution blowout to form the crystalline solid.
Description
Technical field
The utility model relates to a kind of urea solution tank, particularly relates 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.
Model utility content
The purpose of this utility model is to provide a kind of urea solution tank gas permeable devices, and 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 utility model 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.
The beneficial effects of the utility model are, 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 utility model embodiment 1 provides;
Fig. 2 is the perspective view of the valve gap of the urea solution tank gas permeable devices that the utility model embodiment 1 provides;
Fig. 3 is the another perspective view of the valve gap of the urea solution tank gas permeable devices that the utility model embodiment 1 provides;
Fig. 4 is the perspective view of the valve body of the urea solution tank gas permeable devices that the utility model embodiment 1 provides;
Fig. 5 is the another perspective view of the valve body of the urea solution tank gas permeable devices that the utility model embodiment 1 provides;
Fig. 6 is the explosive view of the urea solution tank gas permeable devices that the utility model embodiment 2 provides;
Fig. 7 is the perspective view of the valve gap of the urea solution tank gas permeable devices that the utility model embodiment 2 provides;
Fig. 8 is the another perspective view of the valve gap of the urea solution tank gas permeable devices that the utility model embodiment 2 provides;
Fig. 9 is the perspective view of the valve body of the urea solution tank gas permeable devices that the utility model embodiment 2 provides;
Figure 10 is the another perspective view of the valve body of the urea solution tank gas permeable devices that the utility model embodiment 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
The technical solution of the utility model 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 utility model and characteristic; the utility model does not limit by above-mentioned example; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various change and change, and these changes and change all fall within the scope of claimed the utility model.The claimed scope of the utility model 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 |
|---|---|---|---|
| CN201520669486.8U CN205013788U (en) | 2015-08-31 | 2015-08-31 | Urea solution jar device of breathing freely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520669486.8U CN205013788U (en) | 2015-08-31 | 2015-08-31 | Urea solution jar device of breathing freely |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205013788U true CN205013788U (en) | 2016-02-03 |
Family
ID=55212392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520669486.8U Withdrawn - After Issue CN205013788U (en) | 2015-08-31 | 2015-08-31 | Urea solution jar device of breathing freely |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205013788U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090584A (en) * | 2015-08-31 | 2015-11-25 | 凯龙高科技股份有限公司 | Ventilation device for urea solution tank |
| CN108261575A (en) * | 2018-02-12 | 2018-07-10 | 浙江济民制药股份有限公司 | Hemodiafiltration connector |
-
2015
- 2015-08-31 CN CN201520669486.8U patent/CN205013788U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090584A (en) * | 2015-08-31 | 2015-11-25 | 凯龙高科技股份有限公司 | Ventilation device for urea solution tank |
| CN105090584B (en) * | 2015-08-31 | 2019-02-12 | 凯龙高科技股份有限公司 | A kind of urea solution tank gas permeable devices |
| CN108261575A (en) * | 2018-02-12 | 2018-07-10 | 浙江济民制药股份有限公司 | Hemodiafiltration connector |
| CN108261575B (en) * | 2018-02-12 | 2019-08-06 | 济民健康管理股份有限公司 | Hemodiafiltration connector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205013788U (en) | Urea solution jar device of breathing freely | |
| CN104373178A (en) | Urea solution tank filling assembly used for SCR system | |
| CN106337714B (en) | Nozzle integrated form SCR catalytic muffler | |
| CN104847463A (en) | Nozzle integrated SCR post treatment unit and method thereof | |
| CN202176428U (en) | Drainage device of engine air inlet system and drainage system | |
| CN105090584A (en) | Ventilation device for urea solution tank | |
| CN207324372U (en) | Spiral desulfurizing tower | |
| CN203727987U (en) | Normal and reverse liquid-sealed novel breather applied to tops of large storage tanks | |
| CN206016937U (en) | Spoiler structure in for exhaust aftertreatment | |
| CN205013102U (en) | Urea solution device of maring | |
| CN207686806U (en) | Vehicle tail gas processing urea mixing device | |
| CN207686807U (en) | Vent gas treatment urea mixing device | |
| CN206987920U (en) | Cartridge type SCR encapsulation inlet end assemblies are entered in a kind of side | |
| CN204225975U (en) | A kind of filling of the urea solution tank for SCR system assembly | |
| CN203614192U (en) | Silencing exhaust pipe for exhausting in high position | |
| CN215247127U (en) | Concentrated sulfuric acid storage device | |
| CN205226479U (en) | Catalytic cracking system and water seal valve thereof | |
| CN212091664U (en) | Malodorous gas treatment device | |
| CN107178412A (en) | Cartridge type SCR encapsulation inlet end assemblies are entered in side | |
| CN212017376U (en) | Ammonia spraying device for flue gas denitration | |
| CN205226464U (en) | Poppet valve and contain tee bend poppet valve of said poppet valve | |
| CN203130212U (en) | One-way gas-liquid mixing device for urea pump | |
| CN202673402U (en) | Mine electronic control explosion-proof diesel engine tail gas cleanup unit | |
| CN209100118U (en) | A kind of aerating system of solution storage box | |
| CN203291563U (en) | Liquid water glass discharge buffer tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160203 Effective date of abandoning: 20190212 |
|
| AV01 | Patent right actively abandoned |