CN206299547U - Opening natural gas compression system - Google Patents
Opening natural gas compression system Download PDFInfo
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- CN206299547U CN206299547U CN201621385669.8U CN201621385669U CN206299547U CN 206299547 U CN206299547 U CN 206299547U CN 201621385669 U CN201621385669 U CN 201621385669U CN 206299547 U CN206299547 U CN 206299547U
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- natural gas
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- exchange tube
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Abstract
The utility model is related to a kind of opening natural gas compression system, including filter, compressor set and cooling device, the upstream end import of the filter is connected with source of the gas, filter downstream brings out mouth and is connected with the inlet end of compressor set, the outlet side of the compressor set is connected through cooling device by being pressurized appendix with compressed natural gas delivery trunk, filter core is provided with the filter, it is gas transit chamber between the filter core and the inner walls of filter, heat-exchange tube is set in the gas transit chamber, the supercharging appendix sets a branch road and is connected with the upstream end of heat-exchange tube, the downstream of heat-exchange tube is connected with compressed natural gas delivery trunk.By setting heat-exchange tube in filter, and exceed the compressed natural gas of normal temperature as thermal medium by the use of temperature after the compression of compressed unit, realize Waste Heat Reuse, reach energy-saving purpose, filter can be prevented effectively to be blocked up because the too low and solidifying ice of temperature forms ice, it is ensured that opening natural gas compression system normally runs.
Description
Technical field
The utility model is related to natural gas compressing field, more particularly to a kind of opening natural gas compression system.
Background technology
Natural gas filling station by after opening natural gas compression system compressed natural gas with compressed natural gas（CNG）Form is to natural
Gas automobile（NGV）Fuel is provided with large-scale CNG substations car.Natural gas in natural gas line first passes through opening natural gas compression system
After filter cleaning treatment, then natural pressure is reduced to highest 25Mpa by the compressor set of opening natural gas compression system, finally by
Gas selling machine gives vehicle aerating.
However, the natural gas of 20-3Mpa is in the filter by opening natural gas compression system, due to the mistake of filter element
Filter is acted on, and the interior outside of filter core forms pressure difference, and natural gas is endothermic process from relative high-pressure spray to relatively low pressure（Gas expansion is inhaled
Heat）, because the natural gas of 20-3Mpa is contained within certain moisture, if when ambient temperature is relatively low（Such as very cold area）,
These moisture will congeal into ice in cartridge surface, filter is formed ice and block up, and cause the natural gas can not be normal through filter, sternly
Ghost image rings the normal work of opening natural gas compression system.
In order to prevent the filter of the opening natural gas compression system stifled phenomenon of the ice caused by temperature is too low, it is ensured that natural gas compressing system
System normal work, the solution commonly used at present sets multi-turn electrical heating wire around filter, by electrical heating wire pair
Filter is heated, to improve the temperature of filter.Although this scheme can solve the problems, such as that filter element ice is blocked up, use
Electric heating but leaves the hidden danger that security incident occurs, and electrical heating wire is relatively low to the efficiency of heating surface of filter, and electric energy disappears
Consumption is larger, is unfavorable for energy-saving.Also have by increasing filter filter area, such as on pipeline multiple filters in parallel or
Increase filter volume is blocked up solving the problems, such as filter core ice, but by the way of using multiple filters or expansion filter volume without
Operation cost, the management cost that increased natural gas filling station are doubted, meanwhile, the occupancy of multiple filters or larger volume filter
Space is big, is easily also easy to situation about interfering occur in opening natural gas compression system.
Therefore, how to solve the problems, such as that the pneumatic filter of opening natural gas compression system forms ice and blocks up, and eliminate filter and add
The potential safety hazard that heat is buried, realizes energy-saving, it is ensured that opening natural gas compression system normal work, for a long time always this area
Technical staff wants to solve and yet unresolved issue.
The content of the invention
The purpose of this utility model is directed to the deficiencies in the prior art, there is provided a kind of opening natural gas compression system, by mistake
Heat-exchange tube is set in filter, and exceedes the compressed natural gas of normal temperature as thermal medium by the use of temperature after the compression of compressed unit,
Waste Heat Reuse is realized, energy-saving purpose is reached, filter can be prevented effectively from and blocked up because the too low and solidifying ice of temperature forms ice, it is ensured that
Opening natural gas compression system normally runs.
The technical solution of the utility model is：A kind of opening natural gas compression system, including filter, compressor set and cooling dress
Put, the upstream end import of the filter is connected with source of the gas, and filter downstream brings out mouth and connected with the inlet end of compressor set, institute
The outlet side for stating compressor set is connected through cooling device by being pressurized appendix with compressed natural gas delivery trunk, the filter
Filter core is inside provided with, is gas transit chamber between the filter core and the inner walls of filter, heat is set in the gas transit chamber
Pipe is exchanged, the supercharging appendix sets a branch road and is connected with the upstream end of heat-exchange tube, downstream and the compression of heat-exchange tube
Natural gas delivery trunk is connected.
One heat-exchange tube in inverted U-shaped structure is set in the gas transit chamber of the filter, heat-exchange tube
Linkage section is convexly curved and bypasses the filter core of filter, and the upstream end of heat-exchange tube is by setting heating medium on the filter
The branch road that input interface is set with supercharging appendix is connected, and the downstream of heat-exchange tube is situated between by the heating for setting on the filter
Matter output interface is connected with compressed natural gas delivery trunk.
Two heat-exchange tubes in inverted U-shaped structure, two heat exchanges are set in the gas transit chamber of the filter
Pipe is symmetricly set on the both sides of filter element, and the linkage section being convexly curved of two heat-exchange tubes encircles filter core, two in opposite directions
The upstream end of individual heat-exchange tube be parallel on filter set heating medium input interface, supercharging appendix set branch road with
The input interface connection of heating medium, the downstream of two heat-exchange tubes is parallel to the heating medium output interface set on filter
It is connected with compressed natural gas delivery trunk.
One spiral heat-exchange tube, the spiral heat exchange are set in the gas transit chamber of the filter
Pipe ring is wound on around filter element, and the upstream end of heat-exchange tube is by setting heating medium input interface on the filter
The branch road set with supercharging appendix is connected, and the downstream of heat-exchange tube is exported by the heating medium for setting on the filter and connect
Mouth is connected with compressed natural gas delivery trunk.
The heating medium input interface, the medium through hole of heating medium output interface are shoulder hole, the big footpath of shoulder hole
The caliber with diameter greater than heat-exchange tube of section, forms accommodating chamber corresponding with the upstream end or downstream of heat-exchange tube, the ladder
The path section in hole is provided with the internal thread for connecting external pipeline.
The compressor set includes at least one natural gas compressing cylinder, the gas compression chamber air inlet of the natural gas compressing cylinder
End is provided with breather check valve, and gas compression chamber outlet side is provided with outgassing nonreturn valve, and breather check valve is by pipeline and filter
Downstream outlet connection, outgassing nonreturn valve is connected through cooling device by being pressurized appendix with compressed natural gas delivery trunk, institute
State the branch road set on supercharging appendix to be connected with the upstream end of heat-exchange tube, the downstream of heat-exchange tube is defeated with compressed natural gas
Go out house steward to be connected.
The compressor set includes one-level natural gas compressing cylinder, two grades of natural gas compressing cylinders, compressed natural gas delivery trunk
Output one-way valve is provided with, the gas compression chamber inlet end of the one-level natural gas compressing cylinder is provided with one-level breather check valve, gas
Body compression chamber outlet side is provided with one-level outgassing nonreturn valve, and the one-level breather check valve is brought out by pipeline with the downstream of filter
Mouth connection, one-level outgassing nonreturn valve is pressurized appendix and is connected with one-level cooling device one end by one-level, and one-level cooling device is another
One end is connected positioned at output one-way valve upstream with compressed natural gas delivery trunk, the compressed natural gas output of output one-way valve upstream
House steward connects two grades of natural gas compressing cylinders, the gas compression chamber inlet end of two grades of natural gas compressing cylinders by two grades of appendixs
Secondary inlet check valve is provided with, the gas compression chamber outlet side of two grades of natural gas compressing cylinders is provided with two grades of outgassing nonreturn valves, two grades
Outgassing nonreturn valve is connected by two-stage supercharging appendix with two grades of cooling device one end, and two grades of cooling device other ends are located at output
Check valve downstream is connected with compressed natural gas delivery trunk.
The one-level natural gas compressing cylinder is multiple, the quantity of one-level cooling device and the quantity of one-level natural gas compressing cylinder
Identical, each one-level natural gas compressing cylinder is pressurized appendix correspondence connection one-level cooling device, each one-level cooling by one-level respectively
Device is parallel to compressed natural gas delivery trunk, is respectively positioned on output one-way valve upstream.
The cooling device includes housing and the cooling tube through housing cavity, and the upstream end of the cooling tube is by supercharging
Appendix is connected with the outlet side of compressor set, and the downstream of cooling tube connects with natural gas delivery trunk, cooling device housing
Space between inwall and cooling tube is cooling chamber, the cooling chamber respectively with the cooling medium inlet on housing, cooling
Media outlet is connected, and cooling medium inlet, cooling medium outlet are connected to cooling medium circulation line.
Had the advantages that using above-mentioned technical proposal：
1st, it is gas transit chamber between the filter core of filter and the inner walls of filter, heat is set in the gas transit chamber
Pipe is exchanged, the supercharging appendix of the outlet side and cooling device that connect compressor set sets the upstream end in a branch road and heat-exchange tube
Connection, the downstream of heat-exchange tube is connected with compressed natural gas delivery trunk.Temperature exceedes normal temperature after compressed unit compression
Compressed natural gas is cooled down through being pressurized appendix into cooling device, and the compressed natural gas that a portion temperature exceedes normal temperature passes through
Manifold enters in heat-exchange tube, as the thermal medium of heat-exchange tube, when temperature exceedes the compressed natural gas of normal temperature from heat-exchange tube
In by when, the gas transit chamber of filter is heated up by heat exchange, can effectively prevent the filter core of filter from producing
Ice is blocked up.Also, in heat exchanging process, flow through heat-exchange tube compressed natural gas cooled down after, then flow into natural gas compressing
The cooling gas exported with the cooling device port of export in system are collected.Opening natural gas compression system uses the filtering of this structure
Device, is input into thermal medium, it is not necessary to stifled come anti-stagnant ice using electrical heating, both safety by the manifold being connected on supercharging appendix,
And energy-conservation；And it is directly stifled come anti-stagnant ice using the heat of compressed natural gas, opening natural gas compression system can be made full use of to compress day
The heat that right gas is produced, can also make the energy ezpenditure for cooling device of opening natural gas compression system is necessarily reduced, and is realized
Waste Heat Reuse, reaches energy-saving purpose, and natural gas also no consumption.
2nd, the medium through hole for set heating medium input interface on the filter, heating medium output interface is ladder
Hole, the caliber with diameter greater than heat-exchange tube of the big footpath section of shoulder hole, forms corresponding with the upstream end or downstream of heat-exchange tube
Accommodating chamber, the path section of the shoulder hole is provided with the internal thread for connecting external pipeline.Make the input pipe of thermal medium can be by spiral shell
Line cooperation is connected with heating medium input interface, and the efferent duct of thermal medium can be coordinated and heating medium output interface company by screw thread
Connect, it is easy to connect, reliable, it is ensured that the sealing of heat-exchange tube, prevent thermal medium from leaking.Heating medium input interface, heating are situated between
The aperture of the accommodating chamber of matter output interface medium through hole more than heat-exchange tube caliber, correspondence heat-exchange tube upstream end, under
When trip end fixed installation heating medium input interface, heating medium output interface, fixed heating medium by exactitude position is not required to
The position of input interface, heating medium output interface, it is to avoid heating medium input interface, the mounting surface of heating medium output interface
Upstream end or downstream to heat-exchange tube are formed blocks or partial occlusion, meanwhile, when the quantity of heat-exchange tube is two, plus
The accommodating chamber of thermal medium input interface can completely accommodate two upstream ends of heat-exchange tube, heat the accommodating chamber of medium output interface
Two downstreams of heat-exchange tube can completely be accommodated.
3rd, compressor set includes one-level natural gas compressing cylinder, two grades of natural gas compressing cylinders, on compressed natural gas delivery trunk
Output one-way valve is provided with, the gas compression chamber inlet end of one-level natural gas compressing cylinder is provided with one-level breather check valve, gas compression
Chamber outlet side is provided with one-level outgassing nonreturn valve, and the one-level breather check valve is exported with the downstream of filter by pipeline and connected
Connect, one-level outgassing nonreturn valve is pressurized appendix and is connected with one-level cooling device one end by one-level, the one-level cooling device other end
It is connected with compressed natural gas delivery trunk positioned at output one-way valve upstream, the compressed natural gas delivery trunk of output one-way valve upstream
Two grades of natural gas compressing cylinders are connected by two grades of appendixs, the gas compression chamber inlet end of two grades of natural gas compressing cylinders is provided with
Secondary inlet check valve, the gas compression chamber outlet side of two grades of natural gas compressing cylinders is provided with two grades of outgassing nonreturn valves, two grades of outlets
Check valve is connected by two-stage supercharging appendix with two grades of cooling device one end, and two grades of cooling device other ends are located at output unidirectionally
Valve downstream is connected with compressed natural gas delivery trunk.The compressed natural gas air pressure compressed through one-level natural gas compressing cylinder is more than output
During the threshold value that check valve is opened, output one-way valve is opened, and can be directly output to gas selling machine to vehicle aerating；When through one-level natural gas
When compressed natural gas air pressure after compression cylinder compression is less than the threshold value that output one-way valve is opened, these natural gases are gathered in compression day
The upstream of right gas delivery trunk output one-way valve, through two grades of appendixs be delivered to two grades of natural gas compressing cylinders compression superchargings, two grades
Exported to gas selling machine to vehicle aerating after cooling device cooling, it is ensured that the gas pressure of gas selling machine reaches aerating standard.
It is further described with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is the piping diagram of the utility model opening natural gas compression system embodiment one；
Fig. 2 is the piping diagram of the utility model opening natural gas compression system embodiment two；
Fig. 3 is the piping diagram of the utility model opening natural gas compression system embodiment three；
Fig. 4 is the structural representation of filter of the present utility model；
Fig. 5 is the A-A sectional views of Fig. 4；
Fig. 6 is the B of Fig. 4 to diagram；
Fig. 7 is the structural representation that the utility model heats medium input interface.
In accompanying drawing, 1 is filter, and 1a is upstream end import, and 1b is exported for downstream, and 1c is filter core, and 1d is filter
Housing, 1e is gas transit chamber, and 1f is heating medium input interface, and 1g is heating medium output interface, and 1h is medium through hole, 1i
It is accommodating chamber, 1j is internal thread, and 2 is compressor set, and 2a is natural gas compressing cylinder, and 2a1 is breather check valve, and 2a2 is outlet list
To valve, 2b is one-level natural gas compressing cylinder, and 2b1 is one-level breather check valve, and 2b2 is one-level outgassing nonreturn valve, and 2c is two grades of days
Right gas compression cylinder, 2c1 is secondary inlet check valve, and 2c2 is two grades of outgassing nonreturn valves, and 3 is cooling device, and 3a is that one-level cools down dress
Put, 3b is two grades of cooling devices, 3c is housing, and 3d is cooling tube, and 3e is cooling chamber, and 3f is cooling medium inlet, and 3g is cooling
Media outlet, 4 is supercharging appendix, and 4a is branch road, and 4b is that one-level is pressurized appendix, and 4c is two-stage supercharging appendix, and 6 is compression
Natural gas delivery trunk, 6a is output one-way valve, and 7 is heat-exchange tube.
Specific embodiment
Embodiment one
It is a kind of specific embodiment of opening natural gas compression system referring to Fig. 1, Fig. 4 to Fig. 7.Opening natural gas compression system includes
Filter 1, compressor set 2 and cooling device 3.
Be provided with the chamber of the filter 1 between filter core 1c, the filter core 1c and the housing 1d inwalls of filter is gas
Transit chamber 1e, sets heat-exchange tube 7, in the present embodiment, the gas transit chamber 1e of the filter 1 in the gas transit chamber 1e
Middle to set two heat-exchange tubes 7 in inverted U-shaped structure, two heat-exchange tubes 7 are symmetricly set on the two of filter element 1c
Side, the linkage section being convexly curved of two heat-exchange tubes 7 encircles filter core 1c in opposite directions, and the housing 1d bottoms of filter are by welding
It is fixedly installed heating medium input interface 1f, heating medium output interface 1g, the heating medium input interface 1f, heating Jie
The medium through hole 1h of matter output interface 1g is shoulder hole, and the caliber with diameter greater than heat-exchange tube 7 of the big footpath section of shoulder hole is formed
Accommodating chamber 1i corresponding with the upstream end or downstream of heat-exchange tube 7, the upstream end of two heat-exchange tubes 7 is parallel to heating medium
In the accommodating chamber of input interface 1f, the downstream of two heat-exchange tubes 7 is parallel in the accommodating chamber of heating medium output interface 1g,
Heating medium input interface 1f, the path section of the shoulder hole of heating medium output interface 1g are provided with for connecting in external pipeline
Screw thread 1j.One heat-exchange tube 7 in inverted U-shaped structure, heat exchange can be also set in the gas transit chamber 1e of filter 1
The linkage section of pipe 7 is convexly curved and bypasses the filter core 1c of filter 1, upstream end and the heating medium input interface of heat-exchange tube 7
The accommodating chamber connection of 1f, the downstream of heat-exchange tube 7 connects with the accommodating chamber of heating medium output interface 1g；Also can be in filter
One spiral heat-exchange tube 7 is set in 1 gas transit chamber 1e, and spiral heat-exchange tube 7 is looped around filter filter
Around core 1c, the upstream end of heat-exchange tube 7 connects with the accommodating chamber of heating medium input interface 1f, the downstream of heat-exchange tube 7
Hold and connected with the accommodating chamber of heating medium output interface 1g.
The compressor set 2 includes two one-level natural gas compressing cylinder 2b, two grades of natural gas compressing cylinder 2c.One-level day
Right gas compression cylinder 2b, two grades of natural gas compressing cylinder 2c are respectively provided with two gas compression chambers.Each one-level natural gas compressing cylinder 2b
Gas compression chamber inlet end be provided with one-level breather check valve 2b1, the gas compression chamber outlet of each one-level natural gas compressing cylinder 2b
End is provided with one-level outgassing nonreturn valve 2b2.The gas compression chamber inlet end of two grades of natural gas compressing cylinders 2c is provided with secondary inlet
Check valve 2c1, the gas compression chamber outlet side of two grades of natural gas compressing cylinder 2c is provided with two grades of outgassing nonreturn valve 2c2.
The cooling device 3 includes two one-level cooling device 3a, two grades of cooling device 3b.One-level cooling device
3a, two grades of cooling device 3b structure it is identical, including the housing 3c and cooling tube 3d through housing cavity, cooling device housing
Space between 3c inwalls and cooling tube 3d for cooling chamber 3e, the cooling chamber 3e respectively with the cooling medium on housing 3c
Import 3f, cooling medium outlet 3g connections.One-level cooling device 3a, two grades of cooling device 3b can also use air-cooled form.
During combined pipeline system, output one-way valve is set on the compressed natural gas delivery trunk 6 of opening natural gas compression system
6a.The upstream end import 1a of filter 1 is connected with source of the gas, the downstream of filter 1 outlet 1b by pipeline respectively with two one-levels
The one-level breather check valve 2b1 connections of natural gas compressing cylinder 2b.Two one-level outgassing nonreturn valves of one-level natural gas compressing cylinder 2b
2b2 is pressurized appendix 4b and is connected with the cooling tube 3d upstream ends of each self-corresponding one-level cooling device 3a by one-level respectively, its
In one-level supercharging appendix branch road 4a is set, the medium of the heating medium input interface 1f on branch road 4a and filter leads to
Hole internal thread 1j screw threads are cooperatively formed and are fixedly connected, and the heating medium output interface 1g on filter is natural with compression by pipeline
Gas delivery trunk 6 is connected, positioned at the upstream of output one-way valve 6a.Two cooling tube 3d downstreams difference of one-level cooling device 3a
Connected with compressed natural gas delivery trunk 6, positioned at the upstream of output one-way valve 6a.Two grades of secondary inlets of natural gas compressing cylinder 2c
Check valve 2c1 is connected by two grades of appendixs with compressed natural gas delivery trunk 6, and positioned at output one-way valve 6a upstreams, two grades go out
Gas check valve 2c2 is connected by two-stage supercharging appendix 4c with the cooling tube 3d upstream ends of two grades of cooling device 3b, two grades of coolings
The cooling tube 3d downstreams of device 3b are connected positioned at output one-way valve 6a downstreams with compressed natural gas delivery trunk 6.One-level is cold
But device 3a, cooling medium inlet 3f, the cooling medium outlet 3g of two grades of cooling device 3b are connected to cooling medium circulation
Pipeline.Ensure each junction good seal.
The natural gas of source of the gas enters gas transit chamber 1e from the upstream end import 1a of filter 1, through the filter core 1c of filter 1
After filtering, flow into two one-level natural gas compressing cylinder 2b from downstream outlet 1b and be compressed supercharging, the major part after supercharging surpasses
The compressed natural gas for crossing normal temperature passes through the cooling tube 3d of corresponding one-level cooling device 3a through one-level supercharging appendix 4b, through cold
But, into compressed natural gas delivery trunk 6, fraction exceedes the compressed natural gas of normal temperature by branch road 4a, into filter
In heat-exchange tube 7, as the thermal medium of heat-exchange tube, when the compressed natural gas that temperature exceedes normal temperature passes through from heat-exchange tube
When, the inner chamber of filter is heated up by heat exchange, can effectively prevent the generation ice of filter from blocking up, also, handed in heat
During changing, the compressed natural gas more than normal temperature for flowing through heat-exchange tube is cooled down, and then flows into compressed natural gas delivery trunk
The cooling device port of export of cooling gas is collected in 6, with opening natural gas compression system.When collecting in, compressed natural gas output is total
When the compressed natural gas air pressure of the output one-way valve 6a upstreams of pipe 6 is more than the threshold value that output one-way valve 6a is opened, output one-way valve is opened
Open, gas selling machine can be directly output to vehicle aerating；Compressed natural gas after being compressed through two one-level natural gas compressing cylinders
When pressure is less than the threshold value that output one-way valve 6a is opened, these compressed natural gas are delivered to two grades of natural gas compressings through two grades of appendixs
Exported to gas selling machine to vehicle aerating after cylinder 2c compressions supercharging, two grades of cooling device 3b coolings, it is ensured that the natural pressure of gas selling machine
Power reaches aerating standard.
Embodiment two
It is another specific embodiment of opening natural gas compression system referring to Fig. 2, Fig. 4 to Fig. 7.With the difference of embodiment one
Part is, in the present embodiment, compressor set 2 includes one-level natural gas compressing cylinder 2b, two grades of natural gas compressing cylinders
2c.Cooling device 3 includes one-level cooling device 3a, two grades of cooling device 3b.
During combined pipeline system, output one-way valve is set on the compressed natural gas delivery trunk 6 of opening natural gas compression system
6a.The upstream end import 1a of filter 1 is connected with source of the gas, and the downstream of filter 1 outlet 1b is by pipeline and one-level natural pressure
The one-level breather check valve 2b1 connections of contracting cylinder 2b.The one-level outgassing nonreturn valve 2b2 of one-level natural gas compressing cylinder 2b is increased by one-level
Pressure appendix 4b is connected with the cooling tube 3d upstream ends of corresponding one-level cooling device 3a, and discrimination is set on one-level supercharging appendix 4b
The medium through hole internal thread 1j screw threads of the heating medium input interface 1f on road 4a, branch road 4a and filter cooperatively form fixation
Connection, the heating medium output interface 1g on filter is connected by pipeline with compressed natural gas delivery trunk 6, single positioned at output
To the upstream of valve 6a.The cooling tube 3d downstreams of one-level cooling device 3a connect with compressed natural gas delivery trunk 6, positioned at output
The upstream of check valve 6a.Two grades of secondary inlet check valve 2c1 of natural gas compressing cylinder 2c are natural with compression by two grades of appendixs
Gas delivery trunk 6 is connected, positioned at output one-way valve 6a upstreams, two grades of outgassing nonreturn valve 2c2 by two-stage supercharging appendix 4c with
Two grades of cooling tube 3d upstream ends connections of cooling device 3b, two grades of cooling tube 3d downstreams of cooling device 3b are located at output unidirectionally
Valve 6a downstreams are connected with compressed natural gas delivery trunk 6.The cooling medium of one-level cooling device 3a, two grades of cooling device 3b is entered
Mouth 3f, cooling medium outlet 3g are connected to cooling medium circulation line.Ensure each junction good seal.
Embodiment three
It is another specific embodiment of opening natural gas compression system, the difference with embodiment one referring to Fig. 3 to Fig. 7
It is that in the present embodiment, compressor set 2 comprises only a natural gas compressing cylinder 2a.The quantity of cooling device 3 is one, compresses day
Right gas delivery trunk 6 is not provided with output one-way valve 6a.
During combined pipeline system, the upstream end import 1a of filter 1 is connected with source of the gas, and the downstream of filter 1 outlet 1b leads to
Pipeline is crossed to be connected with the breather check valve 2a1 of natural gas compressing cylinder 2a.The outgassing nonreturn valve 2a2 of natural gas compressing cylinder 2a is by increasing
Pressure appendix 4 is connected with the cooling tube 3d upstream ends of corresponding cooling device 3, and branch road 4a, the branch road are set on supercharging appendix 4
4a is cooperatively formed with the medium through hole internal thread 1j screw threads of the heating medium input interface 1f on filter and is fixedly connected, filter
On heating medium output interface 1g connected with compressed natural gas delivery trunk 6 by pipeline.Under the cooling tube 3d of cooling device 3
Trip end connects with compressed natural gas delivery trunk 6, and the cooling medium inlet 3f of cooling device 3, cooling medium outlet 3g connect respectively
It is connected to cooling medium circulation line.Ensure each junction good seal.
The natural gas of source of the gas enters gas transit chamber 1e from the upstream end import 1a of filter 1, through the filter core 1c of filter 1
After filtering, flow into natural gas compressing cylinder 2a from downstream outlet 1b and be compressed supercharging, the major part after supercharging exceedes normal temperature
Compressed natural gas passes through the cooling tube 3d of cooling device 3 through being pressurized appendix 4, through cooling, into compressed natural gas delivery trunk
6, gas selling machine is directly used in vehicle aerating, fraction exceedes the compressed natural gas of normal temperature by branch road 4a, into filter
In heat-exchange tube 7, as the thermal medium of heat-exchange tube, when the compressed natural gas that temperature exceedes normal temperature passes through from heat-exchange tube
When, the inner chamber of filter is heated up by heat exchange, can effectively prevent the generation ice of filter from blocking up, also, handed in heat
During changing, the compressed natural gas more than normal temperature for flowing through heat-exchange tube is cooled down, and then flows into compressed natural gas delivery trunk
The cooling device port of export of cooling gas is collected in 6, with opening natural gas compression system.It is this without two-stage compression natural pressure
The opening natural gas compression system of contracting cylinder is used suitable for small-sized gas station less demanding to aerating pressure.
The opening natural gas compression system that the utility model is provided, by setting heat-exchange tube in filter, using compressed
Temperature exceedes the compressed natural gas of normal temperature as thermal medium after unit compression, can be prevented effectively from filter because of the too low and solidifying ice of temperature
Form ice to block up, portion temperature exceedes the compressed natural gas of normal temperature by flowing to natural gas compressing system after the cooling of filter heat-exchange tube
The cooler outlet end of cooling gas is collected in system, also makes the energy ezpenditure for cooling device of opening natural gas compression system
Necessarily reduced, realized Waste Heat Reuse, reached energy-saving purpose, and natural gas also no consumption, it is ensured that natural pressure
Compression system normally runs.
Claims (9)
1. a kind of opening natural gas compression system, including filter (1), compressor set (2) and cooling device (3), the filter (1)
Upstream end import (1a) connected with source of the gas, filter (1) downstream outlet (1b) connected with the inlet end of compressor set (2),
The outlet side of the compressor set (2) is by being pressurized appendix (4) through cooling device (3) and compressed natural gas delivery trunk (6)
It is connected, it is characterised in that filter core (1c) is provided with the filter (1), the filter core (1c) is interior with the housing (1d) of filter
It is gas transit chamber (1e) between wall, heat-exchange tube (7), supercharging appendix (4) is set in the gas transit chamber (1e)
Set a branch road (4a) to be connected with the upstream end of heat-exchange tube (7), the downstream of heat-exchange tube (7) is total with compressed natural gas output
Pipe (6) is connected.
2. opening natural gas compression system according to claim 1, it is characterised in that：The gas transit chamber of the filter (1)
One heat-exchange tube (7) in inverted U-shaped structure is set in (1e), and the linkage section of heat-exchange tube (7) is convexly curved and bypasses
The filter core (1c) of filter (1), the upstream end of heat-exchange tube (7) is input into by the heating medium being arranged on filter (1) and connect
The branch road (4a) that mouth (1f) is set with supercharging appendix (4) is connected, and the downstream of heat-exchange tube (7) is by being arranged on filter
(1) heating medium output interface (1g) on is connected with compressed natural gas delivery trunk (6).
3. opening natural gas compression system according to claim 1, it is characterised in that：The gas transit chamber of the filter (1)
Two heat-exchange tubes (7) in inverted U-shaped structure are set in (1e), and two heat-exchange tubes (7) are symmetricly set on filter filter
The both sides of core (1c), the linkage section being convexly curved of two heat-exchange tubes (7) encircles filter core (1c), two heat-exchange tubes in opposite directions
(7) upstream end is parallel to heating medium input interface (1f) set on filter (1), the discrimination that supercharging appendix (4) is set
Road (4a) is connected with heating medium input interface (1f), and the downstream of two heat-exchange tubes (7) is parallel on filter (1) and sets
Heating medium output interface (1g) be connected with compressed natural gas delivery trunk (6).
4. opening natural gas compression system according to claim 1, it is characterised in that：The gas transit chamber of the filter (1)
One spiral heat-exchange tube (7) is set in (1e), and the spiral heat-exchange tube (7) is looped around filter element
Around (1c), the upstream end of heat-exchange tube (7) is by heating medium input interface (1f) being arranged on filter (1) and increasing
Branch road (4a) connection that pressure appendix (4) is set, the downstream of heat-exchange tube (7) is by the heating that is arranged on filter (1)
Medium output interface (1g) is connected with compressed natural gas delivery trunk (6).
5. according to any described opening natural gas compression system of claim 2~4, it is characterised in that：The heating medium input connects
Mouthful (1f), the medium through hole (1h) of heating medium output interface (1g) are shoulder hole, the big footpath section of shoulder hole with diameter greater than heat
The caliber of pipe (7) is exchanged, accommodating chamber (1i) corresponding with the upstream end or downstream of heat-exchange tube (7) is formed, the shoulder hole
Path section is provided with the internal thread (1j) for connecting external pipeline.
6. opening natural gas compression system according to claim 1, it is characterised in that：The compressor set (2) includes at least one
Individual natural gas compressing cylinder (2a), the gas compression chamber inlet end of the natural gas compressing cylinder (2a) is provided with breather check valve (2a1),
Gas compression chamber outlet side is provided with outgassing nonreturn valve (2a2), and breather check valve (2a1) is by pipeline and the downstream of filter (1)
Mouth (1b) connection is brought out, outgassing nonreturn valve (2a2) is exported by being pressurized appendix (4) through cooling device (3) and compressed natural gas
House steward (6) is connected, and the branch road (4a) set on supercharging appendix (4) is connected with the upstream end of heat-exchange tube (7), heat exchange
The downstream for managing (7) is connected with compressed natural gas delivery trunk (6).
7. opening natural gas compression system according to claim 1, it is characterised in that：The compressor set (2) includes one-level day
Right gas compression cylinder (2b), two grades of natural gas compressing cylinders (2c), compressed natural gas delivery trunk (6) are provided with output one-way valve
(6a), the gas compression chamber inlet end of the one-level natural gas compressing cylinder (2b) is provided with one-level breather check valve (2b1), gas pressure
Contracting chamber outlet side is provided with one-level outgassing nonreturn valve (2b2), and the one-level breather check valve (2b1) is by pipeline and filter (1)
Downstream outlet (1b) connection, one-level outgassing nonreturn valve (2b2) is pressurized appendix (4b) and one-level cooling device by one-level
(3a) one end connects, and one-level cooling device (3a) other end is located at output one-way valve (6a) upstream and compressed natural gas delivery trunk
(6) connect, the compressed natural gas delivery trunk of output one-way valve upstream connects two grades of natural gas compressing cylinders by two grades of appendixs
(2c), the gas compression chamber inlet end of two grades of natural gas compressing cylinders (2c) is provided with secondary inlet check valve (2c1), two grades of days
The gas compression chamber outlet side of right gas compression cylinder (2c) is provided with two grades of outgassing nonreturn valves (2c2), and two grades of outgassing nonreturn valves (2c2) are led to
Cross two-stage supercharging appendix (4c) to be connected with two grades of cooling device (3b) one end, two grades of cooling device (3b) other ends are located at output
Check valve (6a) downstream is connected with compressed natural gas delivery trunk (6).
8. opening natural gas compression system according to claim 7, it is characterised in that：The one-level natural gas compressing cylinder (2b) is
Multiple, the quantity of one-level cooling device (3a) is identical with the quantity of one-level natural gas compressing cylinder (2b), each one-level natural gas compressing
Cylinder (2b) respectively by one-level be pressurized appendix (4b) correspondence connection one-level cooling device (3a), each one-level cooling device (3a) and
Compressed natural gas delivery trunk (6) is coupled to, output one-way valve (6a) upstream is respectively positioned on.
9. opening natural gas compression system according to claim 1, it is characterised in that：The cooling device (3) is including housing
(3c) and the cooling tube (3d) through housing cavity, the upstream end of the cooling tube (3d) is by being pressurized appendix (4) with compression
The outlet side connection of unit (2), the downstream of cooling tube (3d) connects with natural gas delivery trunk (6), cooling device housing
Space between (3c) inwall and cooling tube (3d) is cooling chamber (3e), the cooling chamber (3e) respectively with housing (3c)
Cooling medium inlet (3f), cooling medium outlet (3g) connection, cooling medium inlet (3f), cooling medium outlet (3g) respectively
It is connected to cooling medium circulation line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621385669.8U CN206299547U (en) | 2016-12-16 | 2016-12-16 | Opening natural gas compression system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621385669.8U CN206299547U (en) | 2016-12-16 | 2016-12-16 | Opening natural gas compression system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206299547U true CN206299547U (en) | 2017-07-04 |
Family
ID=59213792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621385669.8U Withdrawn - After Issue CN206299547U (en) | 2016-12-16 | 2016-12-16 | Opening natural gas compression system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206299547U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762560A (en) * | 2016-12-16 | 2017-05-31 | 重庆耐德能源装备集成有限公司 | Opening natural gas compression system |
-
2016
- 2016-12-16 CN CN201621385669.8U patent/CN206299547U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762560A (en) * | 2016-12-16 | 2017-05-31 | 重庆耐德能源装备集成有限公司 | Opening natural gas compression system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170704 Effective date of abandoning: 20180807 |