CN203963487U - Combined type Natural Gas Refueling System - Google Patents
Combined type Natural Gas Refueling System Download PDFInfo
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- CN203963487U CN203963487U CN201420343255.3U CN201420343255U CN203963487U CN 203963487 U CN203963487 U CN 203963487U CN 201420343255 U CN201420343255 U CN 201420343255U CN 203963487 U CN203963487 U CN 203963487U
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Abstract
The utility model discloses a kind of combined type Natural Gas Refueling System, belong to CNG aerating equipment design and manufacturing technology field.Provide a kind of kinds of gas sources that can use automobile to be carried out to the combined type Natural Gas Refueling System of aerating.Described refueling system comprises rock gas accumulating mechanism, discharge column, three line filling machines and the caisson that includes senior middle school's low pressure reservoir chamber, also comprise the piston compressor that contains four-stage compressor structure, described four-stage compressor structure is linked in sequence along the throughput direction of natural gas compressing supercharging, described rock gas accumulating mechanism is natural-gas transfer pipeline and/or rock gas accumulating tank car, the gas output end of described piston compressor is connected with described caisson with three described line filling machines respectively simultaneously, described natural-gas transfer pipeline is connected with the inlet end of the first order compressing mechanism of described piston compressor, described rock gas accumulating tank car is connected with the inlet end of the third level compressing mechanism of described piston compressor by described discharge column.
Description
Technical field
The utility model relates to a kind of Natural Gas Refueling System, especially relates to a kind of combined type Natural Gas Refueling System, belongs to CNG aerating equipment design and manufacturing technology field.
Background technique
Along with the sustained, rapid and sound development of national economy, the protection problem growing interest of people to environment, just with unprecedented speed, large, medium and small city is universal rapidly at home in the utilization of current topmost clean energy resource--rock gas.Along with building up of transfering natural gas from the west to the east one line, two wires, three lines, middle remote pipeline, Central Asia pipeline, the utilization of city gas clean energy resource along the line is developed fast, promotes the development of CNG automobile industry, drives CNG gas station to build.Along with the development of CNG automobile industry and the fast development of city natural gas pipe network, this CNG that just need to directly take out pipeline gas is the complete sets of equipment that automobile carries out aerating, and this provides the huge market space and prospect for developing standard station CNG automobile secondary gas filling station equipment.But when considering winter, the pressure of natural gas line gas can be very low, cannot meet direct extraction pipeline gas to the requirement of CNG refueling.Demand that can bio-occlusion refueling when not only can to take out pipeline gas but also can solve that winter, air pressure was extremely low in order to meet, developing a kind of multiduty CNG refueling complete sets of equipment just becomes natural gas compressing device fabrication technical field problem anxious to be resolved.
Model utility content
Technical problem to be solved in the utility model is: provide a kind of kinds of gas sources that can use automobile to be carried out to the combined type Natural Gas Refueling System of aerating.
For solving the problems of the technologies described above adopted technological scheme, be: a kind of combined type Natural Gas Refueling System, comprise rock gas accumulating mechanism, discharge column, three line filling machines and the caisson that includes senior middle school's low pressure reservoir chamber, described combined type Natural Gas Refueling System also comprises the piston compressor that contains four-stage compressor structure, described four-stage compressor structure is linked in sequence along the throughput direction of natural gas compressing supercharging, described rock gas accumulating mechanism is natural-gas transfer pipeline and/or rock gas accumulating tank car, the gas output end of described piston compressor is connected with described caisson with three described line filling machines respectively simultaneously, described natural-gas transfer pipeline is connected with the inlet end of the first order compressing mechanism of described piston compressor, described rock gas accumulating tank car is connected with the inlet end of the third level compressing mechanism of described piston compressor by described discharge column.
Be further, described piston compressor also comprises fuel tank and oil pump assembly, the level Four compression cylinder that described four-stage compressor structure is sequentially communicated with by the throughput direction along described natural gas compressing supercharging forms, and in described compression cylinders at different levels, is provided with the piston that can move back and forth vertically in corresponding compression cylinder; The hydraulic oil that is arranged in described fuel tank enters described compression cylinders at different levels after by the supercharging of described oil pump assembly, promotes after described piston compression enters the natural gas boosting in corresponding compression cylinder to discharge described compression cylinder at the corresponding levels; Described oil pump assembly comprises two groups of dynamo oil pump package that pressure rank is different, dynamo oil pump package described in lower that group of pressure rank is communicated with the described compression cylinder of the first order and the second level respectively, and the dynamo oil pump package described in higher that group of pressure rank is communicated with the described compression cylinder of the third level and the fourth stage respectively.
The optimal way of such scheme is, the compression cylinder described in the first order comprises four one-level cylinder block that air pressure grade is identical, is furnished with respectively the piston that can move back and forth in this one-level cylinder block vertically in the one-level cylinder block described in each; The inlet end of the one-level cylinder block described in each is communicated with outside natural-gas transfer pipeline respectively, and outlet side is communicated with the inlet end of the described compression cylinder of the second level respectively; One-level cylinder block described in each the respectively dynamo oil pump package described in that group lower with pressure rank is communicated with.
Further, the compression cylinder described in the second level comprises two secondary cylinder bodies that air pressure grade is identical, is also furnished with respectively the piston that can move back and forth in this secondary cylinder body vertically in the secondary cylinder body described in each; The inlet end of the secondary cylinder body described in each is corresponding to be respectively communicated with the outlet side of two one-level cylinder block in described four one-level cylinder block, and outlet side is connected and leads to the inlet end of the described compression cylinder of the third level respectively; Secondary cylinder body described in each the respectively dynamo oil pump package described in that group lower with pressure rank is communicated with.
The optimal way of such scheme is, dynamo oil pump package comprises two cover motor pumps described in lower that group of pressure rank, and the motor pump described in every suit is corresponding is respectively communicated with described one-level cylinder block with order and described secondary cylinder body is communicated with.
Further, the compression cylinder described in the third level consists of a three-stage cylinder body, is also furnished with the piston that can move back and forth in this three-stage cylinder body vertically in that described three-stage cylinder body; The gas output end of the outlet side of the described compression cylinder of the second level and the described rock gas accumulating tank car respectively inlet end with described three-stage cylinder body of mutual exclusion is communicated with; Dynamo oil pump package described in higher that group of pressure rank is communicated with described three-stage cylinder body.
Further, the compression cylinder described in the fourth stage consists of a level Four cylinder block, is also furnished with the piston that can move back and forth in this level Four cylinder block vertically in that described level Four cylinder block; The outlet side of described three-stage cylinder body is communicated with the inlet end of described level Four cylinder block; Dynamo oil pump package described in higher that group of pressure rank is communicated with described level Four cylinder block.
Further, described oil pump assembly also comprises oil cooler, enters described compression cylinder after the hydraulic oil after the supercharging of described oil pump assembly is cooling by described oil cooler again.
Further, described oil pump assembly also comprises return filter, and the hydraulic oil returning from described compression cylinder is removed impurity wherein by described return filter.
The beneficial effects of the utility model are: because described combined type Natural Gas Refueling System comprises the piston compressor that contains four-stage compressor structure, described four-stage compressor structure is linked in sequence along the throughput direction of natural gas compressing supercharging, described rock gas accumulating mechanism is natural-gas transfer pipeline and/or rock gas accumulating tank car, the gas output end of described piston compressor is connected with described caisson with three described line filling machines respectively simultaneously, described natural-gas transfer pipeline is connected with the inlet end of the first order compressing mechanism of described piston compressor, described rock gas accumulating tank car is connected with the inlet end of the third level compressing mechanism of described piston compressor by described discharge column.Like this, when the gas pressure in gas distributing system meets the demands, the rock gas that can directly extract in gas distributing system increases rear to refueling by described piston compressor; When season to winter, when the gas pressure in gas distributing system can not meet the demands, can utilize gas that natural gas transportation tank car transports from the described piston compressor of inlet end input of third level compression structure machine increases to refueling, thereby the formula Natural Gas Refueling System described in making can be used kinds of gas sources to carry out aerating to automobile.
Accompanying drawing explanation
Fig. 1 is the simplified structure schematic diagram of the utility model combined type Natural Gas Refueling System;
Fig. 2 is the simplified structure schematic diagram of the piston compressor that relates to of the utility model.
In figure, be labeled as: rock gas accumulating mechanism 1, discharge column 2, three line filling machines 3, caisson 4, four-stage compressor structure 5, piston compressor 6, natural-gas transfer pipeline 7, rock gas accumulating tank car 8, fuel tank 9, oil pump assembly 10, compression cylinder 11, piston 12, dynamo oil pump package 13, one-level cylinder block 14, secondary cylinder body 15, motor pump 16, three-stage cylinder body 17, level Four cylinder block 18, oil cooler 19, return filter 20.
Embodiment
That a kind of kinds of gas sources that can use that the utility model provides carries out the combined type Natural Gas Refueling System of aerating to automobile as shown in Figure 1 and Figure 2.Described combined type Natural Gas Refueling System comprises rock gas accumulating mechanism 1, discharge column 2, three line filling machines 3 and the caisson 4 that includes senior middle school's low pressure reservoir chamber, described combined type Natural Gas Refueling System also comprises the piston compressor 6 that contains four-stage compressor structure 5, described four-stage compressor structure 5 is linked in sequence along the throughput direction of natural gas compressing supercharging, described rock gas accumulating mechanism 1 is natural-gas transfer pipeline 7 and/or rock gas accumulating tank car 8, the gas output end of described piston compressor 6 is connected with described caisson 4 with three described line filling machines 3 respectively simultaneously, described natural-gas transfer pipeline 7 is connected with the inlet end of the first order compressing mechanism of described piston compressor 6, described rock gas accumulating tank car 8 is connected with the inlet end of the third level compressing mechanism of described piston compressor 6 by described discharge column 2.Because described combined type Natural Gas Refueling System comprises the piston compressor 6 that contains four-stage compressor structure 5, described four-stage compressor structure 5 is linked in sequence along the throughput direction of natural gas compressing supercharging, described rock gas accumulating mechanism 1 is natural-gas transfer pipeline 7 and/or rock gas accumulating tank car 8, the gas output end of described piston compressor 6 is connected with described caisson 4 with three described line filling machines 3 respectively simultaneously, described natural-gas transfer pipeline 4 is connected with the inlet end of the first order compressing mechanism of described piston compressor 6, described rock gas accumulating tank car 8 is connected with the inlet end of the third level compressing mechanism of described piston compressor 6 by described discharge column 2.Like this, when the gas pressure in gas distributing system meets the demands, the rock gas that can directly extract in gas distributing system increases rear to refueling by described piston compressor 6; When season to winter, when the gas pressure in gas distributing system can not meet the demands, can utilize gas that natural gas transportation tank car 8 transports from the described piston compressor of the inlet end input of third level compressing mechanism increases to refueling, thereby the formula Natural Gas Refueling System described in making can be used kinds of gas sources to carry out aerating to automobile.
In above-mentioned mode of execution, in order to improve the compression efficiency of described piston compressor 6, and then improve the aerating efficiency of described combined type Natural Gas Refueling System, simultaneously, can simplify to greatest extent the structure of described piston compressor 6 again, reduce production costs, use for reference the structure of existing compressor, described piston compressor also 6 comprises fuel tank 9 and oil pump assembly 10, the level Four compression cylinder 11 that described four-stage compressor structure 5 is sequentially communicated with by the throughput direction along described natural gas compressing supercharging forms, in described compression cylinders 11 at different levels, be provided with the piston 12 that can move back and forth vertically in corresponding compression cylinder 11, the hydraulic oil that is arranged in described fuel tank 9 enters described compression cylinders at different levels 11 after by described oil pump assembly 10 superchargings, promotes after described piston 12 compressions enter the natural gas boosting in corresponding compression cylinder 11 to discharge described compression cylinder 11 at the corresponding levels, described oil pump assembly 10 comprises two groups of dynamo oil pump package 13 that pressure rank is different, dynamo oil pump package 13 described in lower that group of pressure rank is communicated with the described compression cylinder 11 of the first order and the second level respectively, and the dynamo oil pump package 13 described in higher that group of pressure rank is communicated with the described compression cylinder 11 of the third level and the fourth stage respectively, compression cylinder 11 described in the first order comprises four one-level cylinder block 14 that air pressure grade is identical, is furnished with respectively the piston 12 that can move back and forth in this one-level cylinder block 14 vertically in the one-level cylinder block 14 described in each, the inlet end of the one-level cylinder block 14 described in each is communicated with outside natural-gas transfer pipeline 7 respectively, and outlet side is communicated with the inlet end of the described compression cylinder 11 of the second level respectively, one-level cylinder block 14 described in each the respectively dynamo oil pump package 13 described in that group lower with pressure rank is communicated with, compression cylinder 11 described in the second level comprises two secondary cylinder bodies 15 that air pressure grade is identical, is also furnished with respectively the piston 12 that can move back and forth in this secondary cylinder body 15 vertically in the secondary cylinder body 15 described in each, the inlet end of the secondary cylinder body 15 described in each the respectively outlet side of corresponding two one-level cylinder block 14 with described four one-level cylinder block 14 is communicated with, and outlet side is connected and leads to the inlet end of the described compression cylinder 11 of the third level respectively, secondary cylinder body 15 described in each the respectively dynamo oil pump package 13 described in that group lower with pressure rank is communicated with, described in lower that group of pressure rank, dynamo oil pump package 13 comprises two cover motor pumps 16, and the motor pump 16 described in every suit is corresponding is respectively communicated with described one-level cylinder block 14 with order and described secondary cylinder body 15 is communicated with.
Like this, the compression cylinder 11 described in the third level just can consist of a three-stage cylinder body 17, is also furnished with the piston 12 that can move back and forth in this three-stage cylinder body 17 vertically in that described three-stage cylinder body 17; The gas output end of the outlet side of the described compression cylinder 11 of the second level and the described rock gas accumulating tank car 8 respectively inlet end with described three-stage cylinder body 17 of mutual exclusion is communicated with; Dynamo oil pump package 13 described in higher that group of pressure rank is communicated with described three-stage cylinder body 17; Compression cylinder 11 described in the fourth stage consists of a level Four cylinder block 18, is also furnished with the piston 12 that can move back and forth in this level Four cylinder block 18 vertically in that described level Four cylinder block 18; The outlet side of described three-stage cylinder body 17 is communicated with the inlet end of described level Four cylinder block 18; Dynamo oil pump package 13 described in higher that group of pressure rank is communicated with described level Four cylinder block 18.
Adopt above-mentioned first order compression cylinder 11 to be formed by four one-level cylinder block 14, second level compression cylinder 11 consists of two secondary cylinder bodies 15, and third and fourth grade of compression cylinder 11 consists of the three-stage cylinder body 17 of correspondence, a level Four cylinder block 18 respectively, mainly due to along with rock gas is compressed step by step, volume is more and more less, only have the amount of natural gas of the low-pressure in earlier stage providing larger, efficiency just can be higher.
Further combined with the structural feature of existing compressor, described oil pump assembly 10 also comprises oil cooler 19, after hydraulic oil after described oil pump assembly 10 superchargings is cooling by described oil cooler 19, enters described compression cylinder 11 again; Described oil pump assembly 10 also comprises return filter 20, the impurity that the hydraulic oil returning from described compression cylinder 11 is removed wherein by described return filter 20.
Claims (9)
1. a combined type Natural Gas Refueling System, comprise rock gas accumulating mechanism (1), discharge column (2), three line filling machines (3) and include the caisson (4) of senior middle school's low pressure reservoir chamber, it is characterized in that: described combined type Natural Gas Refueling System also comprises the piston compressor (6) that contains four-stage compressor structure (5), described four-stage compressor structure (5) is linked in sequence along the throughput direction of natural gas compressing supercharging, described rock gas accumulating mechanism (1) is natural-gas transfer pipeline (7) and/or rock gas accumulating tank car (8), the gas output end of described piston compressor (6) is connected with described caisson (4) with three described line filling machines (3) respectively simultaneously, described natural-gas transfer pipeline (7) is connected with the inlet end of the first order compressing mechanism of described piston compressor (6), described rock gas accumulating tank car (8) is connected with the inlet end of the third level compressing mechanism of described piston compressor (6) by described discharge column (2).
2. combined type Natural Gas Refueling System according to claim 1, it is characterized in that: described piston compressor (6) also comprises fuel tank (9) and oil pump assembly (10), the level Four compression cylinder (11) that described four-stage compressor structure (5) is sequentially communicated with by the throughput direction along described natural gas compressing supercharging forms, and in described compression cylinders (11) at different levels, is provided with the piston (12) that can move back and forth vertically in corresponding compression cylinder (11); The hydraulic oil that is arranged in described fuel tank (9) enters described compression cylinders at different levels (11) after by described oil pump assembly (10) supercharging, promotes after described piston (12) compression enters the natural gas boosting in corresponding compression cylinder (11) to discharge described compression cylinder (11) at the corresponding levels; Described oil pump assembly (10) comprises two groups of dynamo oil pump package (13) that pressure rank is different, dynamo oil pump package (13) described in lower that group of pressure rank is communicated with the described compression cylinder (11) of the first order and the second level respectively, and the dynamo oil pump package (13) described in higher that group of pressure rank is communicated with the described compression cylinder (11) of the third level and the fourth stage respectively.
3. combined type Natural Gas Refueling System according to claim 2, it is characterized in that: the compression cylinder described in the first order (11) comprises four one-level cylinder block (14) that air pressure grade is identical, in the one-level cylinder block (14) described in each, be furnished with respectively the piston (12) that can move back and forth vertically in this one-level cylinder block (14); The inlet end of the one-level cylinder block (14) described in each is communicated with outside natural-gas transfer pipeline (7) respectively, and outlet side is communicated with the inlet end of the described compression cylinder (11) of the second level respectively; One-level cylinder block (14) described in each the respectively dynamo oil pump package (13) described in that group lower with pressure rank is communicated with.
4. combined type Natural Gas Refueling System according to claim 3, it is characterized in that: the compression cylinder described in the second level (11) comprises two secondary cylinder bodies (15) that air pressure grade is identical, in the secondary cylinder body (15) described in each, be also furnished with respectively the piston (12) that can move back and forth vertically in this secondary cylinder body (15); The inlet end of the secondary cylinder body (15) described in each is corresponding to be respectively communicated with the outlet side of two one-level cylinder block (14) in described four one-level cylinder block (14), and outlet side is connected and leads to the inlet end of the described compression cylinder (11) of the third level respectively; Secondary cylinder body (15) described in each the respectively dynamo oil pump package (13) described in that group lower with pressure rank is communicated with.
5. combined type Natural Gas Refueling System according to claim 4, it is characterized in that: described in lower that group of pressure rank, dynamo oil pump package (13) comprises two cover motor pumps (16), the motor pump (16) described in every suit is corresponding is respectively communicated with described one-level cylinder block (14) and described secondary cylinder body (15) connection with order.
6. according to the combined type Natural Gas Refueling System described in claim 2,3,4 or 5, it is characterized in that: the compression cylinder described in the third level (11) consists of a three-stage cylinder body (17), is also furnished with the piston (12) that can move back and forth in this three-stage cylinder body (17) vertically in that described three-stage cylinder body (17); The outlet side of the described compression cylinder (11) of the second level and the gas output end of described rock gas accumulating tank car (8) the respectively inlet end with described three-stage cylinder body (17) of mutual exclusion are communicated with; Dynamo oil pump package (13) described in higher that group of pressure rank is communicated with described three-stage cylinder body (17).
7. combined type Natural Gas Refueling System according to claim 6, it is characterized in that: the compression cylinder described in the fourth stage (11) consists of a level Four cylinder block (18), is also furnished with the piston (12) that can move back and forth in this level Four cylinder block (18) vertically in that described level Four cylinder block (18); The outlet side of described three-stage cylinder body (17) is communicated with the inlet end of described level Four cylinder block (18); Dynamo oil pump package (13) described in higher that group of pressure rank is communicated with described level Four cylinder block (18).
8. combined type Natural Gas Refueling System according to claim 2, it is characterized in that: described oil pump assembly (10) also comprises oil cooler (19), after the hydraulic oil after described oil pump assembly (10) supercharging is cooling by described oil cooler (19), enter again described compression cylinder (11).
9. combined type Natural Gas Refueling System according to claim 8, it is characterized in that: described oil pump assembly (10) also comprises return filter (20), the hydraulic oil returning from described compression cylinder (11) is removed impurity wherein by described return filter (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420343255.3U CN203963487U (en) | 2014-06-25 | 2014-06-25 | Combined type Natural Gas Refueling System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420343255.3U CN203963487U (en) | 2014-06-25 | 2014-06-25 | Combined type Natural Gas Refueling System |
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| Publication Number | Publication Date |
|---|---|
| CN203963487U true CN203963487U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420343255.3U Expired - Fee Related CN203963487U (en) | 2014-06-25 | 2014-06-25 | Combined type Natural Gas Refueling System |
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| CN (1) | CN203963487U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595706A (en) * | 2015-02-03 | 2015-05-06 | 中冶华天南京工程技术有限公司 | Natural gas filling system |
-
2014
- 2014-06-25 CN CN201420343255.3U patent/CN203963487U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595706A (en) * | 2015-02-03 | 2015-05-06 | 中冶华天南京工程技术有限公司 | Natural gas filling system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20210625 |