CN205974445U - Portable absorption formula natural gas recovery unit - Google Patents
Portable absorption formula natural gas recovery unit Download PDFInfo
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- CN205974445U CN205974445U CN201620542920.0U CN201620542920U CN205974445U CN 205974445 U CN205974445 U CN 205974445U CN 201620542920 U CN201620542920 U CN 201620542920U CN 205974445 U CN205974445 U CN 205974445U
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Abstract
The utility model relates to a portable absorption formula natural gas recovery unit, the device comprises gas collection module, quick -witted pump module, adsorption module and control module, each module includes natural gas cylinder or LNG bottle, vaporizer, buffer tank, vacuum pump, natural gas compressor, ANG bottle, switch board and pressure, temperature, oxygen gas detection probing head and various valve members, installing each main part equipment and laying respectively on vaporizer sled piece, buffer tank sled piece, vacuum pump sled piece, compressor sled piece, ANG gas cylinder sled piece, through bolted connection, ANG gas cylinder sled piece be independent sled piece, can conveniently realize on -the -spot group sled and can make the vehicular, removal, convenient operation between 4 preceding sled pieces. The ANG bottle can be dismantled, change, not impact systems operation. The device is furnished with vacuum system for system's evacuation. The utility model discloses in vaporizer, buffer tank are collected to the natural gas that discharges out with natural gas cylinder or LNG bottle, recycle the compressor and compress this natural gas with the middling pressure and store in the ANG bottle, retrieve in order realizing.
Description
Technical field
This utility model belongs to natural gas recovery technology field, and more particularly, to a kind of portable adsorption-type natural gas reclaims dress
Put.
Background technology
May after accompanying natural gas gas, natural gas line residual air and fill natural gas that oil field produces in oil recovery process
Discharge some natural gass, be usually all directly discharged in air, the discharge of these natural gass, be not only degrading environment, to human body
Health works the mischief, but also can cause the wasting of resources and economic loss.In recent years, with the weight to environmental problem both at home and abroad
Depending on the recycling of organic gas seems more and more important, is always environmental worker's research to the Environmental capacity of organic gas
Emphasis problem.
It is a kind of advanced recovery method that Adsorption Natural Gas reclaim.The factor of impact Adsorption Natural Gas effect mainly includes：(1)
Performance of the adsorbent.Adsorbent is typically required to have larger specific surface area and equilibrium adsorption capacity；There is good adsorptive selectivity；
There is certain mechanical strength and wearability；Stable performance, relatively low bed pressure drop, specific heat is big, and heat transfer coefficient is big, electrical conductivity
High；Long service life etc..(2) structure of adsorbent equipment.(3) desorption and regeneration technique.
Domestic and foreign databases be retrieved according to technical characterstic of the present utility model, Chinese patent CN102826033A proposes one
Plant mobile natural gas recovery vehicle (including motor vehicles and storage tank) and mobile natural gas retracting device and its using method.China
Patent CN103822091A proposes a kind of CNG Filling Station natural gas recoverying and utilizing method, can be used for compressed natural gas
Gas station, Chinese patent CN104357118A is related to a kind of method of utilization pressure-variable adsorption from liquefied natural gas purifying column fixed gas
The method that methane improves methane recovery efficiency in liquefied natural gas is reclaimed in body.This several method generally existing hypertonia or right
Appointed condition required high deficiency, the advantages of there is safety problem in use and do not possess portable, removable.This practicality is new
Type proposes a kind of portable adsorption-type natural gas recycling device, and this device is by four module compositions.This device has portable, shifting
The advantages of dynamic, removable, monitoring, frequency conversion, touch screen control.
Content of the invention
The purpose of this utility model is to provide a kind of portable adsorption-type natural gas recycling device and method, for compression,
The safety of liquefied natural gas and the inferior position of economy, propose a kind of safe efficient, economic portable adsorption-type natural gas and return
Receiving apparatus, this device is made up of collection and confinement of gases module, pump module, adsorption module and control module.Each module peace of this device
It is placed on five sled blocks, install such that it is able to carry out scene group sled, and vehicular can be made, mobile, easy to operate.This practicality is new
Natural gas is filled with surge flask type, recycles natural gas compressor that with middle pressure, the natural gas in surge flask is compressed to adsorption-type
Storage in gas cylinder.
(1) the technical solution of the utility model is as follows：
A kind of portable adsorption-type natural gas recycling device：By collection and confinement of gases module, pump module, adsorption module and control
Module composition；The each module of this device is by natural gas bottle or LNG bottle, pressure gauge, pressure detecting probe, gasifier, surge tank, oxygen
Detection probe, temperature measuring probe, effusion meter, combustible gas alarming instrument, vacuum pump, pressure vacuum vent valve, natural gas compressor, steady
Pressure valve, electrodynamic valve, hand-operated valve, check valve, relief valve, earth lead, ANG gas cylinder, switch board and pipe fitting composition；This dress
Put each equipment to be placed on five sled blocks, thus facilitating realization group sled to install and transport.
1. described a kind of portable adsorption-type natural gas recycling device, its collection and confinement of gases modular character is：This module by
Gasifier, surge tank, pressure maintaining valve, electrodynamic valve, hand-operated valve and pressure gauge, pressure detecting probe, temperature measuring probe, oxygen detection
Probe composition.
Further, the pressure maintaining valve of this module is to be switched come control valve according to natural gas or LNG pressure size, when carrying out air pressure
During power >=0.2MPa, pressure maintaining valve is opened, and future, atmospheric pressure controlled in 0.2MPa it is ensured that equipment safety, when carrying out atmospheric pressure<
During 0.2MPa, pressure detecting probe controls electrodynamic valve to open.
Further, the gasifier of this module is air-heating type gasifier, relies on itself sensible heat and absorbs ambient atmosphere ambient heat
Amount and by LNG gasification, be the environment-protecting energy-saving efficient device of decompression gasification.
Further, the buffering tank top of this module is provided with gas outlet, pressure detecting probe, temperature measuring probe, oxygen inspection
Probing head, natural gas enters in surge tank by surge tank air inlet, in the presence of surge tank baffle plate, natural pressure fluctuation
Reduce, so that system is worked more steady.
Further, the surge tank pressure-bearing >=4MPa～6MPa of this module, operating temperature is room temperature.
Further, the oxygen measurement probe of this module is placed in surge tank, when oxygen concentration exceedes safety range 18%
～21% alarm prompting, simultaneously according to setting program auto-changeover control valve, unlatching vacuum pump, by outside gas in surge tank
Row, improves security of system.
Further, the effusion meter in this module is used for recording volume flow and the cumulative volume flow of natural gas.
2. described a kind of portable adsorption-type natural gas recycling device, its pump modular character is：This module is by vacuum
Pump, natural gas compressor, electrodynamic valve, pressure vacuum vent valve and check valve composition.
Further, the vacuum pump of this module is protected against explosion vacuum pump, is mainly used in system buffer tank, ANG gas cylinder and pipe
The evacuation of line and emergent reduction system oxygen concentration.
Further, using vacuum pump, whole device is carried out evacuation process before experiment starts, when ANG gas cylinder is full of sky
So carry out desorbing using vacuum pump after gas.
Further, the natural gas compressor of this module is frequency conversion type natural gas compressor, is become by buffering pressure inside the tank size
Frequency controls natural gas compressor, and natural gas compressor outlet pressure is not higher than 4MPa.
3. described a kind of portable adsorption-type natural gas recycling device, its adsorption module feature is：This module is by ANG gas
Bottle, earth lead, electrodynamic valve and relief valve composition.
Further, the ANG gas cylinder of this module is built with natural gas Special adsorbent, gas cylinder pressure-bearing >=4MPa～6MPa.
Further, the ANG gas cylinder of this module is full of rear replaceable ANG gas cylinder, and the ANG gas cylinder after being full of can be used as the energy
Normal use.
Further, the relief valve of this module, is mainly used in safeguard protection, prevents internal system pressure excessive, initiation potential.
Further, the electrostatic producing or leakage current because of a variety of causes can be led by the earth lead of this module in time
Go out, improve the safety of system.
4. described a kind of portable adsorption-type natural gas recycling device, its control module feature is：This module is passed through to touch
Touch screen, switch board, combustible gas alarming instrument are controlled to collection and confinement of gases module, pump module and adsorption module.
Further, the switch board of this module is made up of power cabinet and instrument cabinet, and wherein power is powered and control power cabinet,
Instrument power supply and control instrument cabinet, switch board explosive-proof grade should meet national safety standard requirement.
Further, the touch screen of this module, is embedded in switch board surface, by power cabinet and instrument cabinet, for manipulating dress
The operation put, and show each equipment, valve, the running status of instrument and operational parameter data.
Further, the combustible gas alarming instrument of this module, for the combustable gas concentration in monitoring of environmental, when concentration exceedes
Alarm after safety range.
Further, the instrument cabinet of this module is carried out by pressure detecting probe, temperature measuring probe, oxygen measurement probe etc.
Data acquisition.
(2) in a kind of portable adsorption-type natural gas recycling device, each equipment connection mode is as follows：
1. natural gas bottle or LNG bottle gas outlet are connected with voltage stabilizing valve inlet, electronic valve inlet simultaneously, wherein pressure maintaining valve, electricity
Dynamic valve is to be arranged in parallel.
2. voltage stabilizing valve outlet port, electronic valve outlet port are connected with gasifier air inlet simultaneously.
3. gasifier gas outlet is connected with surge tank air inlet.
4. surge tank gas outlet is connected with natural gas compressor air inlet, air-inlet of vacuum pump.
5. natural gas compressor gas outlet is connected with ANG gas cylinder.
6. pressure detecting probe 1 is placed on natural gas bottle or the pipeline of LNG bottle outlet, pressure detecting probe 2, temperature inspection
Probing head and oxygen measurement probe are placed in surge flask.
(3) a kind of portable adsorption-type natural gas recycling device, it prizes block feature is：
1. this device is made up of five sled blocks, respectively gasifier sled block, surge tank sled block, vacuum pump sled block, compressor
Sled block, ANG gas cylinder sled block, the gasifier of this device is placed on gasifier sled block, and surge tank is placed on surge tank sled block, vacuum
Pump, switch board are placed on vacuum pump sled block, and natural gas compressor is placed on compressor sled block, and ANG gas cylinder is placed on ANG gas cylinder to prize
Block；Above it is bolted between 4 sled blocks, ANG gas cylinder sled block is independent sled block.
2. respectively the pipeline of the main equipment on sled block passes through to carry the corresponding connection of markd special metal hose snap joint.
3. the switch board that vacuum pump is prized on block is markd special quick by carrying with each equipment, the cable connection of instrument
Cable socket is corresponding to be connected, and is sealed using Graphene software fluid sealant.
(4) a kind of advantage of portable adsorption-type natural gas recycling device has：
1. the main equipment of this device is placed on five sled blocks, block prized by gasifier sled block, surge tank, vacuum pump prizes block,
Compressor sled block is bolted, and can conveniently realize group sled and install and dismantle, thus group sled can directly be carried out at the scene,
Installation is facilitated to be readily transported.
2. respectively the pipeline of the main equipment on sled block can connect by special metal hose snap joint is corresponding, such that it is able to
Conveniently realize connection and dismantle.
3. on vacuum pump sled block, switch board is corresponding by special quick cable socket with the cable connection of each equipment, instrument
Connect, connect such that it is able to conveniently realize and dismantle.
4. the safety that this device multiple consideration equipment runs, such as with relief valve, for safeguard protection, in anti-locking system
Portion's pressure is excessive, initiation potential；It is provided with earth lead, can in time the electrostatic producing or leakage current because of a variety of causes be led
Go out；It is provided with pressure maintaining valve, prevent gas pressure in gasifier too high；Using Graphene software fluid sealant, special quick cable is inserted
Seat is sealed, and to ensure the electrical safety of equipment, switch board, Graphene software fluid sealant has low-density, specific area, close
Closing property is good, good heat conductivity, quick detachable the advantages of；Setting combustable gas concentration alarm, oxygen concentration detecting instrument, pressure detecting
Instrument, temperature monitor, realize the data acquisition at scene and the timely monitoring of operation, safety.
5. this device has the advantages that portable, mobile, removable, monitoring, frequency conversion, touch screen control, are difficult to shake.Root simultaneously
According to needs, the ANG bottle of configurable varying number and size.
6. this device using ANG storing technology it is only necessary to maintaining room temperature, just can realizing high sky under the conditions of mesolow
So gas storage capacity.
7. this utility model reclaims natural gas, and the natural gas after reclaiming can be continuing with as the energy, plays protection
Environment and the effect reducing the wasting of resources and economic loss.
Brief description
Accompanying drawing 1 is a kind of portable adsorption-type natural gas recycling device flow chart.
Reference lists as follows：
1 natural gas bottle or LNG bottle, 2 hand-operated valves, 5,13,15,16,18,20,23 electrodynamic valves, 3,27 pressure
Table, 4 pressure detecting probe 1,6 pressure maintaining valves, 7 gasifiers, 8 surge tanks, 9 pressure detecting probe 2,10 oxygen inspection
Probing head, 11 temperature measuring probes, 12 effusion meters, 14 combustible gas alarming instruments, 17 vacuum pumps, 19 vacuum breathings
Valve, 21 natural gas compressors, 22 check valves, 24 earth leads, 25 ANG gas cylinders, 26 relief valve, 28 switch boards,
A collection and confinement of gases module, B pump module, C adsorption module, D control module.
Accompanying drawing 2 is a kind of portable adsorption-type natural gas recycling device in-site installation figure.
Reference lists as follows：
A partial enlarged drawing, B-B bolt connection schematic diagram.
Specific embodiment
Illustrate this utility model below by some embodiments, but this utility model is not limited by the example：
Case study on implementation：
To liquefied natural gas residual air recycling, gas flow is 50m3/ h, gas temperature is less than ambient temperature, passes through
Technical solutions of the utility model simultaneously combine accompanying drawing 1 and are described in detail.
(1) a kind of portable adsorption-type natural gas recycling device includes：By collection and confinement of gases module (A), pump module (B),
Adsorption module (C) and control module (D) are constituted；The each module of this device is by natural gas bottle or LNG bottle (1), hand-operated valve (2), electronic
Valve (5,13,15,16,18,20,23), pressure gauge (3,27), pressure detecting probe 1 (4), pressure maintaining valve (6), gasifier (7), slow
Rush tank (8), pressure detecting probe 2 (9), oxygen measurement probe (10), temperature measuring probe (11), effusion meter (12), combustible gas
Body alarm (14), vacuum pump (17), pressure vacuum vent valve (19), natural gas compressor (21), check valve (22), earth lead
(24), ANG gas cylinder (25), relief valve (26), switch board (28) and pipe fitting composition；The each equipment of this device is placed in five
On individual sled block, thus facilitating realization group sled to install and transport.
1. described a kind of portable adsorption-type natural gas recycling device, its collection and confinement of gases modular character is：This module by
Gasifier (7), surge tank (8), pressure maintaining valve (6), electrodynamic valve (5,13), hand-operated valve (2) and pressure gauge (3), pressure detecting probe 1
(4), pressure detecting probe 2 (9), temperature measuring probe (11), oxygen measurement probe (10) composition.
Further, the pressure maintaining valve (6) of this module is to be switched come control valve according to natural gas or LNG pressure size, when next
During atmospheric pressure >=0.2MPa, pressure maintaining valve (6) is opened, and future, atmospheric pressure controlled in 0.2MPa it is ensured that equipment safety, when carrying out air pressure
Power<During 0.2MPa, pressure detecting probe 1 (4) controls electrodynamic valve (5) to open.
Further, the gasifier (7) of this module is air-heating type gasifier, relies on itself sensible heat and absorbs ambient atmosphere environment
Heat and by LNG gasification, be the environment-protecting energy-saving efficient device of decompression gasification.
Further, the buffering tank top of this module is provided with gas outlet, pressure detecting probe 2 (9), temperature measuring probe
(11), oxygen measurement probe (10), natural gas is entered in surge tank (8) by surge tank (8) air inlet, in surge tank (8) gear
In the presence of plate, natural pressure fluctuation reduces, and so that system is worked more steady.
Further, surge tank (8) pressure-bearing >=5MPa of this module, operating temperature is room temperature.
Further, the oxygen measurement probe (10) of this module is placed in surge tank (8), when oxygen concentration exceedes safe model
Enclose 18%～21% alarm prompting, simultaneously according to setting program automatic switchover electrically operated valve (13,16,18), unlatching vacuum pump
(17), by gas discharging in surge tank (8), improve security of system.
Further, the effusion meter (12) in this module is used for recording volume flow and the cumulative volume flow of natural gas.
2. described a kind of portable adsorption-type natural gas recycling device, its pump modular character is：This module is by vacuum
Pump (17), natural gas compressor (21), electrodynamic valve (15,16,18,20), pressure vacuum vent valve (19) and check valve (22) composition.
Further, the vacuum pump (17) of this module is protected against explosion vacuum pump, is mainly used in system buffer tank (8), ANG gas
The evacuation of bottle (25) and pipeline and emergent reduction system oxygen concentration.
Further, whole device is carried out evacuation process, when ANG gas cylinder using vacuum pump (17) before experiment starts
(25) carry out desorbing using vacuum pump (17) after being full of natural gas.
Further, the natural gas compressor (21) of this module is frequency conversion type natural gas compressor, by the interior pressure of surge tank (8)
Size VFC natural gas compressor (21), natural gas compressor outlet pressure is not higher than 4MPa.
3. described a kind of portable adsorption-type natural gas recycling device, its adsorption module feature is：This module is by ANG gas
Bottle (25), earth lead (24), electrodynamic valve (23) and relief valve (26) composition.
Further, the ANG gas cylinder (25) of this module is built with natural gas Special adsorbent, gas cylinder pressure-bearing >=5MPa.Enter one
Step, the ANG gas cylinder (25) of this module is full of rear replaceable ANG gas cylinder, and the ANG gas cylinder after being full of normally can make as the energy
With.
Further, the relief valve (26) of this module, is mainly used in safeguard protection, prevents internal system pressure excessive, causes
Dangerous.
Further, the earth lead (24) of this module, can be in time by the electrostatic producing because of a variety of causes or electric leakage electricity
Conductance goes out, and improves the safety of system.
4. described a kind of portable adsorption-type natural gas recycling device, its control module feature is：This module is passed through to touch
Touch screen, switch board (28), combustible gas alarming instrument (14) to collection and confinement of gases module (A), pump module (B) and adsorption module (C)
It is controlled.
Further, the switch board (28) of this module is made up of power cabinet and instrument cabinet, and wherein power is powered and controlled with moving
Power cabinet, instrument power supply and control instrument cabinet, switch board (28) explosive-proof grade should meet national safety standard requirement.
Further, the touch screen of this module, is embedded in switch board (28) surface, by power cabinet and instrument cabinet, for grasping
The operation of control device, and show each equipment, valve, the running status of instrument and operational parameter data.
Further, the combustible gas alarming instrument (14) of this module, for the combustable gas concentration in monitoring of environmental, works as concentration
Exceed alarm after safety range.
Further, the instrument cabinet of this module is visited by pressure detecting probe 2 (9), temperature measuring probe (11), oxygen detection
Head (10) etc. carries out data acquisition.
(2) in a kind of portable adsorption-type natural gas recycling device, each equipment connection mode is as follows：
1. natural gas bottle or LNG bottle (1) gas outlet are connected with pressure maintaining valve (6) entrance, electrodynamic valve (5) entrance, wherein simultaneously
Pressure maintaining valve (6), electrodynamic valve (5) are to be arranged in parallel.
2. pressure maintaining valve (6) outlet, electrodynamic valve (5) outlet are connected with gasifier (7) air inlet simultaneously.
3. gasifier (7) gas outlet is connected with surge tank (8) air inlet.
4. surge tank (8) gas outlet is connected with natural gas compressor (21) air inlet, vacuum pump (17) air inlet.
5. natural gas compressor (21) gas outlet is connected with ANG gas cylinder (25).
6. pressure detecting probe 1 (4) is placed on the pipeline that natural gas bottle or LNG bottle (1) export, pressure detecting probe 2
(9), temperature measuring probe (11) and oxygen measurement probe (10) are placed in surge tank (8).
(3) a kind of portable adsorption-type natural gas recycling device, it prizes block feature is：
1. this device is made up of five sled blocks, respectively gasifier sled block, surge flask sled block, vacuum pump sled block, compressor
Sled block, ANG gas cylinder sled block, wherein gasifier (7) are placed on gasifier sled block, and surge tank (8) is placed on surge tank sled block, vacuum
Pump (17), switch board (28) are placed on vacuum pump sled block, and natural gas compressor (21) is placed on compressor sled block, ANG gas cylinder
(25) it is placed on ANG gas cylinder sled block；Above it is bolted between 4 sled blocks, ANG gas cylinder sled block is independent sled block.
2. respectively the pipeline of the main equipment on sled block passes through to carry the corresponding connection of markd special metal hose snap joint.
3. the switch board (28) that vacuum pump is prized on block is markd special by carrying with the cable connection of each equipment, instrument
Quick cable socket is corresponding to be connected, and is sealed using Graphene software fluid sealant.
Claims (5)
1. a kind of portable adsorption-type natural gas recycling device it is characterised in that：This device is by collection and confinement of gases module (A), pump
Module (B), adsorption module (C) and control module (D) are constituted；The each module of this device is by natural gas bottle or LNG bottle (1), hand-operated valve
(2), electrodynamic valve (5,13,15,16,18,20,23), pressure gauge (3,27), pressure detecting probe 1 (4), pressure maintaining valve (6), gasification
Device (7), surge tank (8), pressure detecting probe 2 (9), oxygen measurement probe (10), temperature measuring probe (11), effusion meter
(12), combustible gas alarming instrument (14), vacuum pump (17), pressure vacuum vent valve (19), natural gas compressor (21), check valve
(22), earth lead (24), ANG gas cylinder (25), relief valve (26), switch board (28) and pipe fitting composition；Collection and confinement of gases mould
Block (A) is examined by gasifier (7), surge tank (8), pressure maintaining valve (6), electrodynamic valve (5,13), hand-operated valve (2) and pressure gauge (3), pressure
Probing 1 (4), pressure detecting probe 2 (9), temperature measuring probe (11), oxygen measurement probe (10) composition；Pump module (B)
By vacuum pump (17), natural gas compressor (21), electrodynamic valve (15,16,18,20), pressure vacuum vent valve (19) and check valve (22)
Composition；Adsorption module (C) is made up of ANG gas cylinder (25), earth lead (24), electrodynamic valve (23) and relief valve (26)；Control module
(D) it is made up of touch screen, switch board (28), combustible gas alarming instrument (14)；Described a kind of portable adsorption-type natural gas returns
The each equipment of receiving apparatus is placed on five sled blocks, thus facilitating realization group sled to install and transport；Five sled blocks are respectively gasifier
Sled block, surge tank sled block, vacuum pump sled block, compressor sled block, ANG gas cylinder sled block；The gasifier (7) of this device is placed on gasifier
On sled block, surge tank (8) is placed on surge tank sled block, and vacuum pump (17), switch board (28) are placed on vacuum pump sled block, natural gas
Compressor (21) is placed on compressor sled block, and ANG gas cylinder (25) is placed on ANG gas cylinder sled block；Above pass through spiral shell between 4 sled blocks
Tether and connect, ANG gas cylinder sled block is independent sled block；On each sled block, the pipeline of main equipment passes through to carry markd special metal soft
Pipe snap joint is corresponding to be connected；The switch board (28) that vacuum pump is prized on block is by carrying with the cable connection of each equipment, instrument
The special quick cable socket of labelling is corresponding to be connected, and is sealed using Graphene software fluid sealant；Described one kind is portable
The natural gas bottle of formula adsorption-type natural gas recycling device or LNG bottle (1) gas outlet simultaneously with pressure maintaining valve (6) entrance, electrodynamic valve (5)
Entrance connect, wherein pressure maintaining valve (6), electrodynamic valve (5) be arranged in parallel, pressure maintaining valve (6) outlet, electrodynamic valve (5) outlet simultaneously with
Gasifier (7) air inlet connects, and gasifier (7) gas outlet is connected with surge tank (8) air inlet, surge tank (8) gas outlet and sky
So air compressor (21) air inlet, the connection of vacuum pump (17) air inlet, natural gas compressor (21) gas outlet and ANG gas cylinder (25)
Connect, pressure detecting probe 1 (4) is placed on the pipeline that natural gas bottle or LNG bottle (1) export, pressure detecting probe 2 (9), temperature
Degree detection probe (11) and oxygen measurement probe (10) are placed in surge tank (8).
2. a kind of portable adsorption-type natural gas recycling device according to claim 1, is characterized in that：Collection and confinement of gases module
(A) by gasifier (7), surge tank (8), pressure maintaining valve (6), electrodynamic valve (5,13), hand-operated valve (2) and pressure gauge (3), pressure detecting
Probe 1 (4), pressure detecting probe 2 (9), temperature measuring probe (11), oxygen measurement probe (10) composition；The voltage stabilizing of this module
Valve (6) is to be switched come control valve according to natural gas or LNG pressure size, and when carrying out atmospheric pressure >=0.2MPa, pressure maintaining valve (6) leaves
Open, future, atmospheric pressure controlled in 0.2MPa it is ensured that equipment safety, when carrying out atmospheric pressure<During 0.2MPa, pressure detecting probe 1 (4)
Electrodynamic valve (5) is controlled to open；The buffering top of bottle of this module is provided with gas outlet, pressure detecting probe 2 (9), temperature measuring probe
(11), oxygen measurement probe (10), natural gas is entered in surge tank (8) by surge tank (8) air inlet, in surge tank (8) gear
In the presence of plate, natural pressure fluctuation reduces, and so that system is worked more steady, surge tank (8) pressure-bearing >=5MPa, operating temperature
For room temperature；The oxygen measurement probe (10) of this module is placed in surge tank (8), when oxygen concentration exceed safety range 18%～
21% alarm prompting, simultaneously according to setting program automatic switchover electrically operated valve (13,16,18), unlatching vacuum pump (17), will
Gas discharging in surge tank (8), improves security of system；Effusion meter (12) in this module is used for recording the volume flow of natural gas
Amount and cumulative volume flow.
3. a kind of portable adsorption-type natural gas recycling device according to claim 1, is characterized in that：Pump module (B)
By vacuum pump (17), natural gas compressor (21), electrodynamic valve (15,16,18,20), pressure vacuum vent valve (19) and check valve (22)
Composition；The vacuum pump (17) of this module is protected against explosion vacuum pump, is mainly used in system buffer tank (8), ANG gas cylinder (25) and pipe
The evacuation of line and emergent reduction system oxygen concentration；Vacuum pump (17) is utilized to carry out taking out very by whole device before experiment starts
Vacancy is managed, and carries out desorbing using vacuum pump (17) after ANG gas cylinder (25) is full of natural gas；The natural gas compressor of this module
(21) it is frequency conversion type natural gas compressor, by surge tank (8) interior pressure size VFC natural gas compressor (21), natural gas
Compressor delivery pressure is not higher than 4MPa.
4. a kind of portable adsorption-type natural gas recycling device according to claim 1, is characterized in that：Adsorption module (C)
It is made up of ANG gas cylinder (25), earth lead (24), electrodynamic valve (23) and relief valve (26)；The ANG gas cylinder (25) of this module built with
Natural gas Special adsorbent, gas cylinder pressure-bearing >=5MPa, ANG gas cylinder (25) is full of rear replaceable ANG gas cylinder, the ANG gas after being full of
Bottle normally can use as the energy；The relief valve (26) of this module, is mainly used in safeguard protection, prevents internal system pressure mistake
Greatly, initiation potential；The electrostatic producing or leakage current because of a variety of causes can be led by the earth lead (24) of this module in time
Go out, improve the safety of system.
5. a kind of portable adsorption-type natural gas recycling device according to claim 1, is characterized in that：Control module (D)
By touch screen, switch board (28), combustible gas alarming instrument (14) to collection and confinement of gases module (A), pump module (B) and absorption mould
Block (C) is controlled；The switch board (28) of this module is made up of power cabinet and instrument cabinet, and wherein power is powered and control power
Cabinet, instrument power supply and control instrument cabinet, switch board (28) explosive-proof grade should meet national safety standard requirement；This module touch
Touch screen, be embedded in switch board (28) surface, by power cabinet and instrument cabinet, for the operation of actuation means, and show each equipment,
Valve, the running status of instrument and operational parameter data；The combustible gas alarming instrument (14) of this module, in monitoring of environmental
Combustable gas concentration, alarm after concentration exceedes safety range；The instrument cabinet of this module by pressure detecting probe (9),
Temperature measuring probe (11), oxygen measurement probe (10) etc. carry out data acquisition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620542920.0U CN205974445U (en) | 2016-06-04 | 2016-06-04 | Portable absorption formula natural gas recovery unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620542920.0U CN205974445U (en) | 2016-06-04 | 2016-06-04 | Portable absorption formula natural gas recovery unit |
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| Publication Number | Publication Date |
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| CN205974445U true CN205974445U (en) | 2017-02-22 |
Family
ID=58020638
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| CN201620542920.0U Active CN205974445U (en) | 2016-06-04 | 2016-06-04 | Portable absorption formula natural gas recovery unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109097124A (en) * | 2018-10-16 | 2018-12-28 | 淄博瑞特石油技术有限公司 | A kind of natural gas and carbon dioxide gas collection system |
| CN109870478A (en) * | 2019-03-13 | 2019-06-11 | 常州大学 | A kind of non-destructive testing equipment of removable nanometer formula gas concentration field |
-
2016
- 2016-06-04 CN CN201620542920.0U patent/CN205974445U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109097124A (en) * | 2018-10-16 | 2018-12-28 | 淄博瑞特石油技术有限公司 | A kind of natural gas and carbon dioxide gas collection system |
| CN109870478A (en) * | 2019-03-13 | 2019-06-11 | 常州大学 | A kind of non-destructive testing equipment of removable nanometer formula gas concentration field |
| CN109870478B (en) * | 2019-03-13 | 2021-10-01 | 常州大学 | Nondestructive test equipment of portable nanometer formula oil gas concentration field |
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