CN206669320U - The combustion gas recovery system of CNG caissons - Google Patents
The combustion gas recovery system of CNG caissons Download PDFInfo
- Publication number
- CN206669320U CN206669320U CN201720123478.2U CN201720123478U CN206669320U CN 206669320 U CN206669320 U CN 206669320U CN 201720123478 U CN201720123478 U CN 201720123478U CN 206669320 U CN206669320 U CN 206669320U
- Authority
- CN
- China
- Prior art keywords
- cng
- caissons
- recovery system
- combustion gas
- regulator
- 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 - Fee Related
Links
- 238000011084 recovery Methods 0.000 title claims abstract description 23
- 239000000567 combustion gas Substances 0.000 title claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 56
- 239000012071 phase Substances 0.000 claims description 4
- 239000007791 liquid phase Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 26
- 239000003345 natural gas Substances 0.000 abstract description 15
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 239000003949 liquefied natural gas Substances 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 3
- 230000006837 decompression Effects 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process 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
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses the combustion gas recovery system of CNG caissons, belong to liquefied natural gas facility technical field, the combustion gas recovery system of the CNG caissons, including CNG caissons, the CNG caissons are connected with regulator by delivery pipe, the regulator includes the pressure regulator and CNG heat exchangers being sequentially connected with, and the output end of the regulator connects municipal Gas Pipe.The combustion gas recovery system of CNG caissons of the present utility model can reduce the gas loss rate of gas station, reduce natural gas discharge to the environmental disruption around gas station, have extremely strong Economic Information value and environmental protection value.
Description
Technical field
The utility model belongs to liquefied natural gas facility technical field, more particularly to the combustion gas recovery system of CNG caissons
System.
Background technology
CNG storage devices (gas storage well, gas cylinder group) in automobile CNG, LCNG gas stations are in end socket transformation, periodically inspection
When surveying, safeguard and scrapping, the natural gas, because in CNG storage devices (gas storage well, gas cylinder group) can not reclaim, it is common practice that logical
The diffusion system for crossing gas station is directly discharged into air, so as to cause problems with occur：
1st, waste of resource, the CNG gas storage wells reserves of conventional gas station are typically in about 18 cubes of water capacities, LCNG gas stations
CNG gas storage wells reserves are typically in about 9 cubes of water capacities, pressure store 20MPa, conversion natural gas mark side be respectively 3600 sides and
1800 sides, the natural gas in CNG gas storage wells is directly put to idle discharge, also create huge economic loss.
2nd, environment is polluted：Natural gas is the gas for having greenhouse effects, and directly idle discharge, which is put, can destroy atmospheric environment, this
Outside, during gas supply, it is security needs, " smelly dose " has been filled in CNG, directly discharge can cause nearby residents to fear often
Unbearably.
From economical and environmentally friendly angle, a kind of combustion gas recovery system of CNG caissons is designed, for different aeratings
CNG gases of standing reclaim, and using 8 gas stations as objective for implementation, reclaim the CNG gases in the CNG caissons in gas station, often
Year recyclable more than about 10,000 cubes natural gases, the gas loss rate of gas station can be effectively reduced, reduce natural gas discharge to gas station week
The environmental disruption enclosed, can also nearby residents be avoided to complain, if being calculated with 3.6 yuan/side, more than about 10,000 cubes natural gases of recovery are every
In recoverable 3.6 ten thousand yuan of year, to improving gas station efficiency of operation, there is extremely strong Economic Information value and environmental protection to be worth.
Utility model content
The utility model aims to overcome that the shortcomings of the prior art, and providing a kind of has extremely strong Economic Information
The combustion gas recovery system of the CNG caissons of value and environmental protection value.To achieve the above object, technology of the present utility model
Scheme is：The combustion gas recovery system of CNG caissons, including CNG caissons, the CNG caissons are connected by delivery pipe
Regulator is connected to, the regulator includes the pressure regulator and CNG heat exchangers being sequentially connected with, the output end of the regulator
Connect municipal Gas Pipe.
It is 20MPa according to the pressure of caisson in gas station, the gaseous-pressure of city planting ductwork is 0.4MPa, passes through pressure regulation
Device is after the natural gas depressurization of 20MPa in CNG caissons to 0.4MPa, after CNG heat exchangers are decompression absorbing and cooling temperature
Natural gas is warming up to more than 5 DEG C, then accesses municipal Gas Pipe and reclaimed, and re-uses.
As the improvement of above-mentioned technical proposal, connected between the regulator and the delivery pipe by flange, pressure regulation
Device is convenient to mount and dismount with delivery pipe, can be as needed moved in different gas stations and be used.
As the further improvement of above-mentioned technical proposal, it is provided with the delivery pipe of the CNG caissons output end
Pressure gauge, the flowing pressure of the pressure gauge detection CNG gases.
As the further improvement of above-mentioned technical proposal, the input of the pressure regulator is connected with filter, the CNG
The output end of heat exchanger is connected with flowmeter, and the flowmeter metering is recovered to the CNG mass in city planting ductwork.
Further improved as above-mentioned technical proposal, the CNG caissons are also associated with booster, the booster
Supercharging liquid-phase tube the CNG caissons are connected by control valve with supercharging gas phase pipe, the booster increases CNG gas storage
Pressure in device, it is ensured that CNG gases flow according to delivery pipe direction in CNG caissons, accelerate organic efficiency.
Further improved as above-mentioned technical proposal, the flowmeter side is connected with impulse generator, pulse generation
Device is connected with PLC control panels, and flow velocity of the CNG gases by flowmeter can be set by PLC control panels.
Further improved as above-mentioned technical proposal, the rear and front end of the regulator is provided with magnetic valve, described
Magnetic valve is connected by the PLC control panels and controlled.
Further improved as above-mentioned technical proposal, the CNG caissons are gas storage well or gas cylinder group.
The beneficial effects of the utility model are：The utility model provides the combustion gas recovery system of CNG caissons, described
Pressure regulator passes through after the natural gas depressurization of 20MPa in caisson to 0.4MPa in the combustion gas recovery system of CNG caissons
Natural gas after decompression absorbing and cooling temperature is warming up to more than 5 DEG C by CNG heat exchangers, then is accessed municipal Gas Pipe and reclaimed, again
Utilize, can effectively reduce the gas loss rate of gas station, reduce natural gas discharge to the environmental disruption around gas station, can also avoid
Nearby residents are complained, and improve the economic benefit of gas station, improve the image operator of enterprise.
Brief description of the drawings
Fig. 1 is the structural representation of the combustion gas recovery system of CNG caissons；
Wherein, 1, CNG caissons, 2, delivery pipe, 3, regulator, 30, filter, 31, pressure regulator, 32, CNG heat exchange
Device, 33, flowmeter, 34, impulse generator, 35, PLC control panels, 4, flange, 5, pressure gauge, 6, booster, 61, boost fluid
Xiang Guan, 62, supercharging gas phase pipe, 63, control valve, 7, magnetic valve.
Embodiment
For the purpose of this utility model, technical scheme and advantage is better described, below in conjunction with specific embodiment and attached
The utility model is described in further detail for figure.
The combustion gas recovery system of CNG caissons, including CNG caissons 1, the CNG caissons 1 pass through delivery pipe
2 are connected with regulator 3, and the regulator 3 includes the pressure regulator 31 and CNG heat exchangers 32 being sequentially connected with, the pressure regulation dress
The output end for putting 3 connects municipal Gas Pipe.The CNG caissons 1 are by pressure regulator 31 20MPa in CNG caissons 1
Natural gas after decompression absorbing and cooling temperature is warming up to more than 5 DEG C by natural gas depressurization to after 0.4MPa, by CNG heat exchangers 32, then
Access municipal Gas Pipe to be reclaimed, re-use.
Connected between the regulator 3 and the delivery pipe 2 by flange 4, regulator 3 and the side of assembly and disassembly of delivery pipe 2
Just, regulator 3 can be moved in different gas stations as needed and used, so as to reduce the Meteorological of regulator 3, drop
Low cost recovery.
Pressure gauge 5 is provided with the delivery pipe 2 of the output end of CNG caissons 1, the pressure gauge 5 detects CNG gas
The flowing pressure of body.
The input of the pressure regulator 31 is connected with filter 30, and the output end of the CNG heat exchangers 32 is connected with flow
Meter 33, the flowmeter 33 measure the CNG mass being recovered in city planting ductwork；The side of flowmeter 33 is connected with pulse generation
Device 34, impulse generator 34 are connected with PLC control panels 35, and CNG gases, which can be set, by PLC control panels 35 passes through flow
The flow velocity of meter；The rear and front end of the regulator 3 is provided with magnetic valve 7, and the magnetic valve 7 is connected by the PLC control panels 35
Control is connect, the PLC control panels 35 can realize that regulator 3 is automatically accessed and run.
The CNG caissons 1 are also associated with booster 6, the supercharging liquid-phase tube 61 and supercharging gas phase of the booster 6
Pipe 62 connects the CNG caissons 1 by control valve 63, and the booster 6 increases the pressure in CNG caissons 1, really
Protect CNG gases in CNG caissons 1 to flow according to delivery pipe direction, accelerate organic efficiency.
The CNG caissons 1 are gas storage well or gas cylinder group.
Finally, it should be noted that above example is illustrating the technical solution of the utility model rather than to this practicality
The limitation of novel protected scope, although being explained in detail with reference to preferred embodiment to the utility model, the common skill of this area
Art personnel, which should be appreciated that, can modify to the technical solution of the utility model or replace on an equal basis, without departing from this practicality
The spirit and scope of new technique scheme.
Claims (8)
- The combustion gas recovery system of 1.CNG caissons, it is characterised in that including CNG caissons, the CNG caissons lead to Cross delivery pipe and be connected with regulator, the regulator includes the pressure regulator and CNG heat exchangers being sequentially connected with, the pressure regulation dress The output end put connects municipal Gas Pipe.
- 2. the combustion gas recovery system of CNG caissons as claimed in claim 1, it is characterised in that：The regulator and institute State and connected by flange between delivery pipe.
- 3. the combustion gas recovery system of CNG caissons as claimed in claim 1, it is characterised in that：The CNG caissons are defeated Go out and pressure gauge is provided with the delivery pipe at end.
- 4. the combustion gas recovery system of CNG caissons as claimed in claim 1, it is characterised in that：The input of the pressure regulator End is connected with filter, and the output end of the CNG heat exchangers is connected with flowmeter.
- 5. the combustion gas recovery system of CNG caissons as claimed in claim 1, it is characterised in that：The CNG caissons are also Booster is connected with, the supercharging liquid-phase tube of the booster connects the CNG gas storage by control valve with supercharging gas phase pipe and filled Put.
- 6. the combustion gas recovery system of CNG caissons as claimed in claim 4, it is characterised in that：The flowmeter side connects Impulse generator is connected to, impulse generator is connected with PLC control panels.
- 7. the combustion gas recovery system of CNG caissons as claimed in claim 6, it is characterised in that：Before the regulator Both ends are provided with magnetic valve afterwards, and the magnetic valve is connected by the PLC control panels and controlled.
- 8. the combustion gas recovery system of CNG caissons as claimed in claim 1, it is characterised in that：The CNG caissons are Gas storage well or gas cylinder group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720123478.2U CN206669320U (en) | 2017-02-10 | 2017-02-10 | The combustion gas recovery system of CNG caissons |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720123478.2U CN206669320U (en) | 2017-02-10 | 2017-02-10 | The combustion gas recovery system of CNG caissons |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206669320U true CN206669320U (en) | 2017-11-24 |
Family
ID=60378816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720123478.2U Expired - Fee Related CN206669320U (en) | 2017-02-10 | 2017-02-10 | The combustion gas recovery system of CNG caissons |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206669320U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207007A (en) * | 2019-07-02 | 2019-09-06 | 广州从化中燃城市燃气发展有限公司 | A kind of CNG gas storage well compressed natural gas recovery system and its control method |
-
2017
- 2017-02-10 CN CN201720123478.2U patent/CN206669320U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207007A (en) * | 2019-07-02 | 2019-09-06 | 广州从化中燃城市燃气发展有限公司 | A kind of CNG gas storage well compressed natural gas recovery system and its control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200422 Address after: Room 301-303, floor 3, No. 25, Jihua 5th Road, Chancheng District, Foshan City, Guangdong Province Patentee after: FOSHAN GAS HIGH PRESSURE PIPE NETWORK Co.,Ltd. Address before: 528000, 5 floor, Jihua building, No. five, Jihua Road, Chancheng District, Guangdong, Foshan Patentee before: FOSHAN AUTOMOBILE GAS Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |