CN203702378U - Low-pressure filter heat exchanger - Google Patents
Low-pressure filter heat exchanger Download PDFInfo
- Publication number
- CN203702378U CN203702378U CN201420101733.XU CN201420101733U CN203702378U CN 203702378 U CN203702378 U CN 203702378U CN 201420101733 U CN201420101733 U CN 201420101733U CN 203702378 U CN203702378 U CN 203702378U
- Authority
- CN
- China
- Prior art keywords
- fuel gas
- gas
- heat exchanger
- shell body
- lower shell
- 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.)
- Expired - Lifetime
Links
- 239000002737 fuel gas Substances 0.000 claims abstract description 45
- 239000002826 coolant Substances 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims description 43
- CUZMQPZYCDIHQL-VCTVXEGHSA-L calcium;(2s)-1-[(2s)-3-[(2r)-2-(cyclohexanecarbonylamino)propanoyl]sulfanyl-2-methylpropanoyl]pyrrolidine-2-carboxylate Chemical compound [Ca+2].N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1.N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1 CUZMQPZYCDIHQL-VCTVXEGHSA-L 0.000 claims description 28
- 238000001914 filtration Methods 0.000 claims description 28
- 239000000567 combustion gas Substances 0.000 claims description 26
- 238000010276 construction Methods 0.000 claims description 13
- 230000003139 buffering effect Effects 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 238000010079 rubber tapping Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 12
- 239000003345 natural gas Substances 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000007921 spray Substances 0.000 abstract 1
- 210000004907 gland Anatomy 0.000 description 5
- 239000011435 rock Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- 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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a low-pressure filter heat exchanger which is provided with upper and lower casing units detachably and integrally assembled and distributed vertically. The low-pressure filter heat exchanger is provided with a fuel gas flowing cavity, wherein the fuel gas flowing cavity is provided with a fuel gas inlet end and a fuel gas outlet end connected to an automobile fuel gas supply pipeline, a fuel gas guiding structure leading fuel gas entered the fuel gas inlet end into the fuel gas flowing cavity so as to enable fuel gas and the casing wall of the lower casing unit to be in full contact, and a discharging device for pollution discharge is arranged at the bottom of the lower casing unit. A casing structure is arranged on the external periphery of the lower casing structure, the casing structure and the lower casing unit jointly form a closed engine coolant flowing cavity structure. The closed engine coolant flowing cavity structure is provided with a cooling medium inlet and a cooling medium outlet which are vertically staggered mode. The low-pressure filter heat exchanger can ensure the spray nozzle opening reliability of a natural gas engine in a low-temperature severe environment during high-speed large-load operation and is low in cost.
Description
Technical field
The utility model relates to a kind of heat-exchange device for gas combustion automobile, especially relates to a kind of low press filtration heat exchanger.
Background technique
Due to global warming, PM2.5 and haze roll up, cause natural gas engine and automobile pollution to roll up, in gas engine, due to the needs of discharge and Economy, a large amount of natural gas injection control system that adopt, in ejecting system, nozzle is most important, the most accurate gas metering parts, but because rock gas is refining, some greasy dirts can constantly adulterate in the processes such as gas station fills, moisture content, during along with high engine speeds large load operation, natural gas temperature after decompressor is lower than below zero degrees celsius, now the greasy dirt viscosity in rock gas increases, moisture content cohesion is frozen, greasy dirt, moisture content flows into nozzle with rock gas, constantly be gathered in nozzle interior static iron core, around moving iron core, increase the unlatching difficulty of nozzle.
Model utility content
The purpose of this utility model is exactly in order to address the above problem, and a kind of low press filtration heat exchanger is provided, and it to the capable heating of post-decompression natural gas via, reduces stickiness icing, that greasy dirt brings by circulating water of engine, while guaranteeing nozzle cold operation, successfully opens.
To achieve these goals, the utility model adopts following technological scheme:
Low press filtration heat exchanger, is characterized in that, it has:
Removably be assembled into one and upper and lower distribution upper and lower shell body unit (1,2), its inside has a fuel gas flow cavity for the fuel gas flow of gas combustion automobile, described fuel gas flow cavity has the fuel gas inlet end (7) and the gas outlet end (8) that are connected to automobile fuel gas supply pipeline, inside, described upper shell unit is provided with the combustion gas importing fuel gas flow cavity that fuel gas inlet end is entered and the gas diversion structure that combustion gas is fully contacted with the shell wall of lower shell body unit, and the bottom of described lower shell body unit is provided with the tapping equipment (4) for blowdown;
The exterior circumferential of described lower shell body structure (2) is provided with a shell construction (3), this shell construction (3) and the common engine coolant flow cavity body structure that forms a sealing in lower shell body unit, this engine coolant flow cavity body structure has the cooling medium inlet (5) and the cooling medium outlet (6) that stagger upper and lower layout.
Described tapping equipment is oil discharge screw or the blowdown valve of being located at lower shell body structural base.
Described gas diversion structure for by the gas flow that enters fuel gas inlet end (7) through self and be located at the gas heating runner of lower shell body unit inwall, the flow path wall of this gas heating runner is close to lower shell body unit inwall or is formed with the inwall of lower shell body unit is common.
Described gas heating runner is helical or labyrinth-like structure.
Described gas diversion structure comprises:
By the dividing element (9) of the inner chamber body of upper shell unit, the isolation of lower shell body unit inner chamber body, thereby being separated into distribute, fuel gas flow cavity is positioned at upper cavity, the lower chamber of dividing element top, bottom;
Be arranged on dividing element and to entering the combustion gas of fuel gas inlet end and work the arc combustion gas buffering training wall (10) that cushions guide functions, there is towards fuel gas inlet end one side the blast tube being positioned on dividing element at arc combustion gas buffering training wall, this combustion gas buffering training wall lower chamber, the intercommunication of gas outlet end.
The utlity model has following beneficial effect:
(1) the supply gas flow of gas combustion automobile is heated by engine coolant through fuel gas flow cavity, in reducing engine coolant self temperature, improve the temperature of supply engine combustion gas, guarantee stability and the reliability of gas combustion automobile work.
(2) the set tapping equipment in lower shell body unit (bolt arrangement, blowdown valve) be conducive to get rid of amass for a long time in the impurity of inside, lower shell body unit, raising for the operating life of whole low press filtration heat exchanger has positive effect, is convenient to the care and maintenance in later stage.
(3) gas diversion structure has guaranteed between combustion gas and engine coolant that time of contact is longer, and heat exchange is more abundant.
(4) dividing element coordinates combustion gas that arc combustion gas buffering training wall can prevent that pressure the is higher impact to low press filtration heat exchanger inside, makes flowing of combustion gas more steady, smooth
In sum, this low press filtration heat exchanger can be guaranteed the natural gas engine reliability that nozzle is opened when high speed large load operation under low temperature rugged environment, and cost taken by themselves is low.
Accompanying drawing explanation
Fig. 1 is low press filtration heat exchanger plan view.
Fig. 2 is low press filtration heat exchanger plan view.
Fig. 3 a is low press filtration heat exchanger stereogram.
Fig. 3 b is the stereogram of low press filtration heat exchanger clipped structure.
Fig. 4 is upper shell plan view in low press filtration heat exchanger.
Fig. 5 is upper shell worm's eye view in low press filtration heat exchanger.
Fig. 6 is upper shell side view in low press filtration heat exchanger.
Fig. 7 is upper shell stereogram in low press filtration heat exchanger.
Fig. 8 is A-A sectional view in Fig. 5.
Fig. 9 is water chamber structural representation in low press filtration heat exchanger.
Figure 10 is B-B sectional view in Fig. 9.
Figure 11 is lower shell body plan view in low press filtration heat exchanger.
Figure 12 is lower shell body plan view in low press filtration heat exchanger.
Figure 13 is lower shell body stereogram in low press filtration heat exchanger.
Figure 14 is C-C sectional view in Figure 11.
Figure 15 is gland nut plan view in low press filtration heat exchanger.
Figure 16 is gland nut plan view in low press filtration heat exchanger.
Figure 17 is D-D sectional view in Figure 15.
Figure 18 is E-E sectional view in Figure 16.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Fig. 1 is the plan view of low press filtration heat exchanger of the present utility model, and wherein, symbol 1 is the upper shell unit of low press filtration heat exchanger, it is substantially cylindrical-shaped structure, the inside, upper shell unit of this cylindrical-shaped structure has a cavity, and bottom is uncovered, is convenient to dock lower shell body unit.What upper shell unit 1 formed an end opening by annular shell wall 1a, upper cover part 1b has a bottom tube-like (referring to Fig. 4～8), and the inwall of upper shell unit is being provided with the female thread structure for assembling use near opening.Fuel gas inlet end 7 and the gas outlet end 8 of coaxial arrangement are installed at described annular shell wall, install fast by corresponding joint.Under assembled state, this annular shell wall and upper cover part are gone along with sb. to guard him and in the cavity forming, are provided with gas diversion structure, described gas diversion structure comprises: by the dividing element 9 of the inner chamber body of upper shell unit, the isolation of lower shell body unit inner chamber body, be positioned at upper cavity, the lower chamber of dividing element top, bottom thereby fuel gas flow cavity is separated into distribute; Be arranged on dividing element and to entering the combustion gas of fuel gas inlet end and work the arc combustion gas buffering training wall 10 that cushions guide functions, there is towards fuel gas inlet end one side the blast tube being positioned on dividing element at arc combustion gas buffering training wall, this combustion gas buffering training wall lower chamber, the intercommunication of gas outlet end.
Referring to Figure 11～14, lower shell body unit is for containing columned body, and this columned body bottom is taper, and top is by assembling with upper shell unit such as worm structure fitted seal circle.In addition, be provided with the tapping equipment 4 for emitting greasy dirt in taper part, such as being convenient to manually operated oil discharge screw, consider intellectualized operation, it is comparatively suitable selecting automatically controlled blowdown valve, and attached corresponding sensor (such as liquid level sensor) is installed on inside, lower shell body unit can realize automatic-discharging.
In the utility model, the package assembly part between upper and lower shell body unit is provided with corresponding ring structure, and this is most important for the seal that guarantees structure, and dismountable package assembly is also helpful for the care and maintenance in later stage.
Referring to Fig. 3 a, 3b, upper, lower shell body unit is assembled the complete fuel gas flow cavity for the fuel gas flow of gas combustion automobile that forms therein, the glide path of this fuel gas flow cavity is fuel gas inlet end → upper shell unit inner chamber body → lower housing cavity body → arc combustion gas buffering training wall inner chamber body → gas outlet end, because fuel gas flow cavity is connected to automobile fuel gas supply pipeline, so what can continue carries out heat exchange to combustion gas, the heat exchange structure is here mainly to form (referring to Figure 11～14) in a shell construction 3 of the exterior circumferential setting of described lower shell body structure 2, this shell construction 3 and the common engine coolant flow cavity body structure that forms a sealing in lower shell body unit, this engine coolant flow cavity body structure has on one, under the cooling medium inlet 5 that is staggeredly arranged and cooling medium outlet 6, between this shell construction 3 and lower shell body unit, form the mobile cavity of an annular engine coolant, can continue the combustion gas of the lower shell body unit inner chamber body of flowing through to carry out heat exchange.
Referring to Fig. 2, fuel gas inlet end and gas outlet end that corresponding construction is installed are coaxial arrangement.
Referring to Fig. 9, 10, shell construction 3 is tubular structure, its upper end can be selected to assemble with worm structure fitted seal circle between lower shell body unit, can also be chosen in, lower shell body unit mounting structure place reserves annular embedded groove, the direct fitted seal circle of this shell construction and embedding in this annular embedded groove, shell construction bottom by its structure of gland nut 11(referring to Figure 15～18) and upper shell unit is located in its top, corresponding is, be provided with the worm structure coordinating with gland nut at the body of lower shell body unit, between this gland nut and shell construction, be provided with corresponding ring structure.And cooling medium inlet 5 and cooling medium export 6 on the same cutting plane of shell construction, and dislocation is arranged one on the other, guarantees the heat exchanger time of engine coolant and combustion gas.
In addition, described gas diversion structure is except aforementioned structure, can also be: by the gas flow that enters fuel gas inlet end 7 through self and be located at the gas heating runner of lower shell body unit inwall, the flow path wall of this gas heating runner is close to lower shell body unit inwall or is formed with the inwall of lower shell body unit is common, for making the heat exchanger time of combustion gas longer, described gas heating runner is that helical or labyrinth-like structure are of great advantage.
The foregoing is only preferred implementation of the present utility model, protection domain of the present utility model is not limited in above-mentioned mode of execution, and every technological scheme that belongs to the utility model principle all belongs to protection domain of the present utility model.For a person skilled in the art, some improvement of carrying out under the prerequisite that does not depart from principle of the present utility model, these improve and also should be considered as protection domain of the present utility model.
Claims (5)
1. low press filtration heat exchanger, is characterized in that, it has:
Removably be assembled into one and upper and lower distribution upper and lower shell body unit (1,2), its inside has a fuel gas flow cavity for the fuel gas flow of gas combustion automobile, described fuel gas flow cavity has the fuel gas inlet end (7) and the gas outlet end (8) that are connected to automobile fuel gas supply pipeline, inside, described upper shell unit is provided with the combustion gas importing fuel gas flow cavity that fuel gas inlet end is entered and the gas diversion structure that combustion gas is fully contacted with the shell wall of lower shell body unit, and the bottom of described lower shell body unit is provided with the tapping equipment (4) for blowdown;
The exterior circumferential of described lower shell body structure (2) is provided with a shell construction (3), this shell construction (3) and the common engine coolant flow cavity body structure that forms a sealing in lower shell body unit, this engine coolant flow cavity body structure has the cooling medium inlet (5) and the cooling medium outlet (6) that stagger upper and lower layout.
2. low press filtration heat exchanger according to claim 1, is characterized in that, described tapping equipment is oil discharge screw or the blowdown valve of being located at lower shell body structural base.
3. low press filtration heat exchanger according to claim 1, it is characterized in that, described gas diversion structure for by the gas flow that enters fuel gas inlet end (7) through self and be located at the gas heating runner of lower shell body unit inwall, the flow path wall of this gas heating runner is close to lower shell body unit inwall or is formed with the inwall of lower shell body unit is common.
4. low press filtration heat exchanger according to claim 3, is characterized in that, described gas heating runner is helical or labyrinth-like structure.
5. low press filtration heat exchanger according to claim 1, is characterized in that, described gas diversion structure comprises:
By the dividing element (9) of the inner chamber body of upper shell unit, the isolation of lower shell body unit inner chamber body, thereby being separated into distribute, fuel gas flow cavity is positioned at upper cavity, the lower chamber of dividing element top, bottom;
Be arranged on dividing element and to entering the combustion gas of fuel gas inlet end and work the arc combustion gas buffering training wall (10) that cushions guide functions, there is towards fuel gas inlet end one side the blast tube being positioned on dividing element at arc combustion gas buffering training wall, this combustion gas buffering training wall lower chamber, the intercommunication of gas outlet end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420101733.XU CN203702378U (en) | 2014-03-07 | 2014-03-07 | Low-pressure filter heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420101733.XU CN203702378U (en) | 2014-03-07 | 2014-03-07 | Low-pressure filter heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203702378U true CN203702378U (en) | 2014-07-09 |
Family
ID=51052831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420101733.XU Expired - Lifetime CN203702378U (en) | 2014-03-07 | 2014-03-07 | Low-pressure filter heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203702378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912408A (en) * | 2014-03-07 | 2014-07-09 | 上海依相动力系统有限公司 | Low pressure filtration heat exchanger |
-
2014
- 2014-03-07 CN CN201420101733.XU patent/CN203702378U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912408A (en) * | 2014-03-07 | 2014-07-09 | 上海依相动力系统有限公司 | Low pressure filtration heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Jing Inventor after: Liu Yong Inventor after: Yang Tao Inventor before: Xu Xianwei Inventor before: Sun Xiaoliang Inventor before: Li Jian Inventor before: Duan Hongqiang Inventor before: Wu Xinxing Inventor before: Liu Jun Inventor before: Li Yuanlong Inventor before: Zheng Tao Inventor before: Sun Yi Inventor before: Li Guibin |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: XU XIANWEI LI JIAN DUAN HONGQIANG WU XINXING LIU JUN LI YUANLONG ZHENG TAO SUN YI LI GUIBIN SUN XIAOLIANG TO: ZHOU JING LIU YONG YANG TAO |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |