CN206252986U - A kind of coal bed gas purifies Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision - Google Patents
A kind of coal bed gas purifies Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision Download PDFInfo
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- CN206252986U CN206252986U CN201621280440.8U CN201621280440U CN206252986U CN 206252986 U CN206252986 U CN 206252986U CN 201621280440 U CN201621280440 U CN 201621280440U CN 206252986 U CN206252986 U CN 206252986U
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Abstract
The utility model discloses a kind of coal bed gas purification Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision, including adsorption-desorption system, is provided for the adsorption-desorption system mixed gas air distribution system, collection purified methane methane collection system and collection waste gas waste gas collecting system；The adsorption-desorption system includes two structure identical adsorption towers, cooling device and solenoid valve blocks, the adsorption tower includes adsorption tube, dust-arrest device, holding furnace and thermocouple, the escaping pipe of adsorption tube is provided with first pressure table, the electrode group for being heated for adsorbent is provided with adsorption tube, the electrode group is connected with power supply.Be combined for both pressure-variable adsorption and Electrical swing absorption by the utility model, and CH_4 detection is more accurate, and the cooling that heats up is rapid, can adsorb substantial amounts of methane, it is adaptable to which a large amount of gases are separated, and the concentrate effect of methane is good, and the volume of device is moderate, and energy consumption is low.
Description
Technical field
The utility model belongs to coal bed gas purification experimental provision technical field, and in particular to a kind of coal bed gas purification vacuum becomes
Buckling is electrically coupled adsorption experimental apparatus.
Background technology
Coal bed gas is that a kind of preserving is conigenous storage formula Unconventional gas, the coal seam of China certainly in coal seam based on methane
Gas rich reserves, but utilization rate is relatively low, and especially in progress of coal mining, substantial amounts of low concentration coal-bed gas are with pressure
The reduction of power is discharged into space, in draining into air with dash extraction, is thereby resulted in a large amount of methane resources and is wasted, and
Used as greenhouse gases, its greenhouse effects is CO to methane221 times, cause serious environmental problem.
Aspect is utilized low concentration coal-bed gas are solved, it is how simple and efficient efficiently to its thickening-purification technology as emphasis, mesh
Preceding absorption method technique turns into the main flow direction of research, and absorption method is divided into pressure-variable adsorption (PSA), temp.-changing adsorption (TSA), Electrical swing absorption
(ESA).PSA Technology has a less energy consumption relative to other gas separations, low cost, but due to adsorbent
Poor-performing, the separation to methane and waste gas is relatively low so that the difficulty increase of concentrate methane, concentrate effect is poor.And become
Temperature adsorbs the separation due to being unsuitable for a large amount of gases, and heating adsorbent high energy consumption, and temperature rate constrains its application slowly.
And Electrical swing absorption has heating rate fast, the advantage such as cycle period is short, yield is high, but the electric conductivity of some adsorbents is utilized,
To adsorbent direct-electrifying heat, in adsorption tower temperature quickly change thus can not be by the fine concentrate of methane.
The Chinese patent of Application No. 201420607320.9, discloses a kind of coal bed gas concentration vacuum pressure and temperature varying coupling
Adsorption experimental apparatus, the device is integral by pressure-variable adsorption and temp.-changing adsorption set, there is intensification slowly, the gas concentration time
Long, methane adsorption amount is smaller, and the waste gas collecting system of the device is connected with methane collection system, easily interacts.
The Chinese patent of Application No. 201520460937.7, discloses a kind of coal bed gas enrichment facility, and the device will become
Pressure absorption and temp.-changing adsorption set are integral, and using three adsorption towers, complex operation, high cost, and device volume is larger.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, there is provided a kind of coal seam
Air lift pure vacuum transformation power transformation Coupling Adsorption experimental provision, be combined for both pressure-variable adsorption and Electrical swing absorption by it, CH_4 detection
Relatively accurately, the cooling that heats up is rapid, can adsorb substantial amounts of methane, it is adaptable to the concentrate effect of largely gases separation, and methane
Good, the volume of device is moderate, and energy consumption is low.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of coal bed gas purifies Vacuum Pressure Swing
Power transformation Coupling Adsorption experimental provision, including adsorption-desorption system, the distribution system of mixed gas is provided for the adsorption-desorption system
System, the waste gas collecting system for collecting the methane collection system and collection waste gas for having purified methane；It is characterized in that：The absorption solution
Desorption system include alternately cooperating two structure identical adsorption towers, provided for the adsorption tower low-temperature receiver cooling device and
Solenoid valve block on adsorption tower gas circuit pipeline, the adsorption tower is including being used to place the adsorption tube of adsorbent, being arranged on
The dust-arrest device of adsorption tube outlet side, the holding furnace being arranged on outside adsorption tube and be arranged on holding furnace be used for measure in adsorption tube
The thermocouple of temperature, the escaping pipe of adsorption tube is provided with first pressure table, is provided with adsorption tube for heating for adsorbent
Electrode group, the electrode group is connected with power supply.
A kind of above-mentioned coal bed gas purification Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision, it is characterised in that：Described in two
Adsorption tower is the first adsorption tower and the second adsorption tower being arranged in parallel.
A kind of above-mentioned coal bed gas purification Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision, it is characterised in that：The cooling
Device includes providing the low temperature thermostat bath of cold temperature source, the first cooling between the adsorption tube and holding furnace of the first adsorption tower
Ring and the second cooling ring between the adsorption tube and holding furnace of the second adsorption tower.
A kind of above-mentioned coal bed gas purification Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision, it is characterised in that：The electromagnetism
Valve group includes the first magnetic valve being arranged in the adsorption tube air inlet pipe of first adsorption tower, is arranged on first adsorption tower
Adsorption tube escaping pipe on the second magnetic valve, the 3rd electromagnetism that is arranged in the adsorption tube air inlet pipe of second adsorption tower
Valve, the 4th magnetic valve being arranged in the adsorption tube escaping pipe of second adsorption tower, the suction for being arranged on first adsorption tower
The 5th magnetic valve between attached pipe inlet end and the first magnetic valve on pipeline, the adsorption tube air inlet for being arranged on second adsorption tower
Hold the 6th magnetic valve and the 3rd magnetic valve between on pipeline, be arranged on the adsorption tube outlet side and second of first adsorption tower
The 7th magnetic valve between magnetic valve on pipeline, the adsorption tube outlet side and the 4th magnetic valve for being arranged on second adsorption tower it
Between the 8th magnetic valve on pipeline, be arranged on the feed tube of the first cooling ring the 9th magnetic valve, be arranged on the first cooling ring
Drain pipe on the tenth magnetic valve, the 11st magnetic valve that is arranged on the second cooling ring feed tube and be arranged on the second cooling
The 12nd magnetic valve on ring drain pipe.
A kind of above-mentioned coal bed gas purification Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision, it is characterised in that：The distribution
System includes gas circuit unit and the mixed gas cylinder being connected with the gas circuit unit, and the gas circuit unit includes being sequentially communicated by pipeline
The first filter, pressure maintaining valve, mass flowmenter, first check-valve and the second filter, be provided with the top of the mixed gas tank
Second pressure table.The mixed gas cylinder passes sequentially through second check-valve, first manual valve and the first rotor flowmeter and the absorption
Tower is connected, and the quantity of the gas circuit unit is multiple.
A kind of above-mentioned coal bed gas purification Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision, it is characterised in that：The waste gas
Collection system includes exhaust gas collector, and the exhaust gas collector passes sequentially through methane detector, the second spinner flowmeter and the 4th
Hand-operated valve is all connected with two adsorption towers.
A kind of above-mentioned coal bed gas purification Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision, it is characterised in that：The methane
Collection system includes methane collection device, and the methane collection device passes sequentially through third trochanter flowmeter and the 3rd hand-operated valve and vacuum
Pump is connected, and vavuum pump is all connected with by the second hand-operated valve with two adsorption towers.
A kind of above-mentioned coal bed gas purification Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision, it is characterised in that：Each insulation
The quantity of the thermocouple on stove is multiple.
A kind of above-mentioned coal bed gas purification Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision, it is characterised in that：The low temperature
Thermostat uses the low temperature thermostat bath of model DC-3010.
A kind of above-mentioned coal bed gas purification Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision, it is characterised in that：The dust suppression
Device is three-decker, and the dust-arrest device includes two-layer copper sintered filter core and the filter being arranged between two-layer copper sintered filter core
Cotton.
The utility model has advantages below compared with prior art：
1st, the utility model will set dust-arrest device by adsorption tower outlet side, prevent the particulate in desorption process small
Adsorbent brings pipeline into and causes pipeline blockage, reduces equipment fault occurrence probability, improves the order of accuarcy of CH_4 detection.
2nd, the utility model is by the way of directly powering up, it is not necessary to which additional heat heats matching component, programming rate
Hurry up, do not limited by the rate of heat transfer between the thermal capacitance or heat transfer medium and adsorbent of heat transfer medium, adsorption-desorption speed is fast, the cycle
It is short.
3rd, the utility model is provided with multiple gas circuit units, can prepare various mixed gases, and mixed gas are carried out
Concentrate is tested, applied widely.
In sum, the utility model can its both pressure-variable adsorption and Electrical swing absorption are combined, CH_4 detection is more accurate,
The cooling that heats up is rapid, can adsorb substantial amounts of methane, it is adaptable to which a large amount of gases are separated, and the concentrate effect of methane is good, device
Volume it is moderate, energy consumption is low.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model adsorption tower.
Fig. 3 is partial enlarged drawing at the A of Fig. 2.
Description of reference numerals:
1-1-the first filter；1-2-the second filter；2-pressure maintaining valve；
3-mass flowmenter；4-1-first check-valve；4-2-second check-valve；
5-1-first pressure table；5-2-second pressure table；6-mixed gas cylinder；
7-pressure-reducing valve；8-1-the first magnetic valve；8-2-the second magnetic valve；
The magnetic valves of 8-3-the 3rd；The magnetic valves of 8-4-the 4th；The magnetic valves of 8-5-the 5th；
The magnetic valves of 8-6-the 6th；The magnetic valves of 8-7-the 7th；The magnetic valves of 8-8-the 8th；
The magnetic valves of 8-9-the 9th；The magnetic valves of 8-10-the tenth；The magnetic valves of 8-11-the 11st；
The magnetic valves of 8-12-the 12nd；9-1-the first rotor flowmeter；9-2-the second spinner flowmeter；
9-3-third trochanter flowmeter；10-1-first manual valve；10-2-the second hand-operated valve；
The hand-operated valves of 10-3-the 3rd；The hand-operated valves of 10-4-the 4th；11-adsorption tube；
12-power supply；12-1-electrode group；13-holding furnace；
14-1-the first cooling ring；14-2-the second cooling ring；15-low temperature thermostat bath；
16-thermocouple；17-dust-arrest device；17-1-copper sintered filter core；
17-2-filter pulp；18-vavuum pump；19-methane collection device；
20-methane detector；21-exhaust gas collector.
Specific embodiment
As depicted in figs. 1 and 2, the utility model includes adsorption-desorption system, provides mixing for the adsorption-desorption system
The air distribution system of gas, the methane collection system for collecting purification methane and the waste gas collecting system for collecting waste gas；The absorption solution
Desorption system include alternately cooperating two structure identical adsorption towers, provided for the adsorption tower low-temperature receiver cooling device and
Solenoid valve block on adsorption tower gas circuit pipeline, the adsorption tower includes adsorption tube 11, the setting for placing adsorbent
Dust-arrest device 17 at the outlet side of adsorption tube 11, the holding furnace 13 being arranged on outside adsorption tube 11 and being arranged on holding furnace 13 is used
In the thermocouple 16 of temperature in measurement adsorption tube 11, first pressure table 5-1, adsorption tube 11 are installed in the escaping pipe of adsorption tube 11
The electrode group 12-1 for being heated for adsorbent is inside provided with, the electrode group 12-1 is connected with power supply 12.
The outlet side of the adsorption tube 11 is provided with dust-arrest device 17, effectively prevent the dust of device in adsorption process together
Into waste gas collecting system, the accuracy of detection of methane detector is influenceed, while improve the cleannes of gas；Waste gas collecting system
It is separate with methane collection system not interfere with each other, it is ensured that the accuracy of CH_4 detection；Adsorbent is provided with adsorption tube 11, directly
Connect and power up 12 and use Electrical swing absorption, gentle cooling is more rapid to rise adsorbent, and the adsorbance of methane also increases therewith；Power supply
The mode that 12 electrode group 12-1 is added in adsorption tube 11 has two kinds, and a kind of is the mouth of pipe two that two electrodes are added in adsorption tube 11 respectively
End, a kind of is that two electrodes are added on the tube wall of adsorption tube 11, and the electrode group includes positive electrode and negative electrode, and electrode group is using friendship
Stream power supply or dc source are directly powered, and the positive electrode is connected with the positive electrode of power supply 12, the negative electrode and the power supply
12 negative electrode is connected.
In the present embodiment, two adsorption towers are the first adsorption tower and the second adsorption tower being arranged in parallel.
It should be noted that the first adsorption tower and the second adsorption tower that adsorption-desorption system is arranged in parallel, when one of them
When adsorption tower is in adsorbed state, another adsorption tower is in vacuum desorption state, when adsorption tower is switched to from adsorbed state
During vacuum desorption state, two adsorption towers are in equal pressure condition, and double tower interoperation is persistently adsorbed, it is ensured that the company of concentration process
Continuous property, eliminates the time of adsorption tower absorption preparation and vacuum desorption.
In the present embodiment, the cooling device is including providing the low temperature thermostat bath 15 of cold temperature source, installed in the first adsorption tower
Adsorption tube 11 and holding furnace 13 between the first cooling ring 14-1 and the adsorption tube 11 and holding furnace installed in the second adsorption tower
The second cooling ring 14-2 between 13.
In the present embodiment, the solenoid valve block includes be arranged in the air inlet pipe of adsorption tube 11 of first adsorption tower the
One magnetic valve 8-1, the second magnetic valve 8-2 being arranged in the escaping pipe of adsorption tube 11 of first adsorption tower, be arranged on it is described
The 3rd magnetic valve 8-3 in the air inlet pipe of adsorption tube 11 of the second adsorption tower, the adsorption tube 11 for being arranged on second adsorption tower go out
The 4th magnetic valve 8-4 on tracheae, it is arranged between the inlet end of adsorption tube 11 of first adsorption tower and the first magnetic valve 8-1
The 5th magnetic valve 8-5 on pipeline, it is arranged between the inlet end of adsorption tube 11 of second adsorption tower and the 3rd magnetic valve 8-3
The 6th magnetic valve 8-6 on pipeline, it is arranged between the outlet side of adsorption tube 11 of first adsorption tower and the second magnetic valve 8-2
The 7th magnetic valve 8-7 on pipeline, it is arranged between the outlet side of adsorption tube 11 of second adsorption tower and the 4th magnetic valve 8-4
The 8th magnetic valve 8-8 on pipeline, the 9th magnetic valve 8-9 being arranged on the feed tube of the first cooling ring 14-1, it is arranged on
The tenth magnetic valve 8-10 on the drain pipe of one cooling ring 14-1, the 11st be arranged on the second cooling ring 14-2 feed tubes electricity
Magnet valve 8-11 and the 12nd magnetic valve 8-12 being arranged on the drain pipe of the second cooling ring 14-2.
In the present embodiment, the air distribution system includes gas circuit unit and the mixed gas cylinder 6 being connected with the gas circuit unit, described
Gas circuit unit includes the first filter 1-1, pressure maintaining valve 2, mass flowmenter 3, the first check-valve 4-1 that are sequentially communicated by pipeline
With the second filter 1-2, the top of the mixed gas cylinder 6 is provided with second pressure table 5-2.The mixed gas cylinder 6 passes sequentially through second
Check-valves 4-2, first manual valve 10-1 and the first rotor flowmeter 9-1 are connected with the adsorption tower, the number of the gas circuit unit
It is multiple to measure.
It should be noted that the utility model is provided with three gas circuit units, the first gas circuit list of nitrogen is respectively provided
Unit, the second gas circuit unit and the 3rd standby gas circuit unit that provide methane, increased the 3rd standby gas circuit unit, can mix
More gases are closed, makes the scope of application of device wider；Feed gas methane and nitrogen are supplied by steel cylinder in laboratory, through voltage stabilizing
After the stabilizing gas pressure of valve 2, gas flow is controlled by mass flowmenter 3, into the distribution of mixed gas cylinder 6, in order to prevent gas from returning
Stream, has installed first check-valve 4-1 additional respectively before mixed gas cylinder 6 is entered, and second pressure table 5-2 is used for the pressure of gas after detection mixing
Power, the pressure during stable operation.
In the present embodiment, the waste gas collecting system includes exhaust gas collector 21, and the exhaust gas collector 21 is passed sequentially through
Methane detector 20, the second spinner flowmeter 9-2 and the 4th hand-operated valve 10-4 are all connected with two adsorption towers.
In the present embodiment, the methane collection system includes methane collection device 19, and the methane collection device 19 is passed sequentially through
Third trochanter flowmeter 9-3 and the 3rd hand-operated valve 10-3 are connected with vavuum pump 18, vavuum pump 18 by the second hand-operated valve 10-2 with
Two adsorption towers are all connected with.
In the present embodiment, the quantity of the thermocouple 16 on each holding furnace 13 is multiple, it is ensured that temperature survey accuracy.
In the present embodiment, the low temperature thermostat bath 15 using model DC-3010 low temperature thermostat bath, temperature range for-
30 DEG C~100 DEG C, disclosure satisfy that the cold and accuracy requirement of system；Low-temperature receiver uses 10# silicone oil, using canned mode.
As shown in figure 3, the dust-arrest device 17 is three-decker, the dust-arrest device 17 includes two-layer copper sintered filter core
The 17-1 and filter pulp 17-2 being arranged between two-layer copper sintered filter core 17-1, simple structure, it is easy to manufacture is with low cost.
When the utility model is used, NACF is first selected to be loaded in adsorption tube 11 as adsorbent, filling height
It is defined by actual experiment requirement；The nitrogen of certain pressure is passed through to system, after pressure is constant, is maintained one hour, observation first
Pressure gauge 5-1 determines that system is air tight with inspection system air-tightness；Vavuum pump 18 is opened, 1~2 two hours, Ran Houxiang are vacuumized
The different gas circuit units of air distribution system each lead into nitrogen and methane, and the gas pressure of each gas circuit unit is adjusted through pressure maintaining valve 2,
The gas flow of each gas circuit unit is determined by mass flowmenter 3, is mixed in mixed gas cylinder 6, mixed gas cylinder 6 is provided with the second pressure
Power table 5-2, to maintain operating pressure constant, mixed gas enter absorption through the first rotor flowmeter 9-1 with the flow for setting
Desorption system, carries out absorption action, first adsorption tower and second adsorption tower in the adsorption tower of adsorption-desorption system
The continuity of absorption action can be kept by different operating order.
When two adsorption towers work, when the first adsorption tower is lowered the temperature, the second adsorption tower heats up；When the first adsorption tower pressurizes
Second adsorption tower is depressured；The second adsorption tower vacuum desorption when the first adsorption tower is adsorbed；When the equal pressure drop of the first adsorption tower second
Adsorption tower presses liter, and double tower action cooperates, and cooling, pressurization belong to adsorbed state, and intensification, decompression belong to desorption state, inhale
There is equal pressure condition between attached state and desorption state excessively, adsorbed state becomes the equal pressure drop of desorption state, desorption state becomes adsorption-like
State presses liter.
Cooling ring 14 is installed around adsorption tube 11, can be realized to the suction in adsorption tube 11 by the switching of cold and hot liquids
Attached dose carries out cooling treatment, so as to realize desorption state to the conversion of adsorbed state, thermocouple 16 is provided with holding furnace 13
The real-time measurement of the temperature in adsorption tube 11 can be realized；Holding furnace 13 is provided with outside cooling ring 14, temperature is greatly reduced
Scatter and disappear so that adsorption tube 11 is easier to be transformed into desorption state from adsorbed state.
The tower top waste gas of adsorption tower 11 determines methane concentration via methane detector 20 when collecting gas, and real-time monitoring methane is worn
Saturating situation, is used for the calculating of product recovery rate after gas chromatographic detection after being collected by exhaust gas collector 21；Adsorption tower bottom of towe by
Vavuum pump 18 takes out methane, is collected by methane collection device 19, then by its product design of gas chromatographic detection.
The above, is only preferred embodiment of the present utility model, and not the utility model is imposed any restrictions, every
Any simple modification, change and the equivalent structure change made to above example according to the utility model technical spirit, still
Belong in the protection domain of technical solutions of the utility model.
Claims (10)
1. a kind of coal bed gas purification Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision, including adsorption-desorption system, it is the absorption
Desorption system provides the air distribution system of mixed gas, collection the methane collection system for having purified methane and the waste gas receipts for collecting waste gas
Collecting system；It is characterized in that：The adsorption-desorption system is including replacing two structure identical adsorption towers of cooperating, being institute
Cooling device and the solenoid valve block on adsorption tower gas circuit pipeline that adsorption tower provides low-temperature receiver are stated, the adsorption tower includes using
In placing the adsorption tube (11) of adsorbent, be arranged on the dust-arrest device (17) of adsorption tube (11) outlet side, be arranged on adsorption tube
(11) holding furnace (13) outward and it is arranged on holding furnace (13) and is used for the thermocouple (16) for measuring adsorption tube (11) interior temperature, inhales
The escaping pipe of attached pipe (11) is provided with first pressure table (5-1), adsorption tube (11) electricity being provided with for being heated for adsorbent
Pole group (12-1), the electrode group (12-1) is connected with power supply (12).
2. Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision is purified according to a kind of coal bed gas described in claim 1, its feature exists
In：Two adsorption towers are the first adsorption tower and the second adsorption tower being arranged in parallel.
3. Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision is purified according to a kind of coal bed gas described in claim 2, its feature exists
In：The cooling device include providing the low temperature thermostat bath (15) of cold temperature source, the adsorption tube (11) installed in the first adsorption tower with
The first cooling ring (14-1) between holding furnace (13) and the adsorption tube (11) installed in the second adsorption tower and holding furnace (13) it
Between the second cooling ring (14-2).
4. Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision is purified according to a kind of coal bed gas described in claim 3, its feature exists
In：The solenoid valve block include being arranged on the first magnetic valve (8-1) in adsorption tube (11) air inlet pipe of first adsorption tower,
The second magnetic valve (8-2) for being arranged in adsorption tube (11) escaping pipe of first adsorption tower, it is arranged on second absorption
The 3rd magnetic valve (8-3) in adsorption tube (11) air inlet pipe of tower, adsorption tube (11) outlet for being arranged on second adsorption tower
The 4th magnetic valve (8-4) on pipe, adsorption tube (11) inlet end and the first magnetic valve (8-1) that are arranged on first adsorption tower
Between the 5th magnetic valve (8-5) on pipeline, be arranged on adsorption tube (11) inlet end and the 3rd electromagnetism of second adsorption tower
The 6th magnetic valve (8-6) between valve (8-3) on pipeline, adsorption tube (11) outlet side for being arranged on first adsorption tower and the
The 7th magnetic valve (8-7) between two magnetic valves (8-2) on pipeline, adsorption tube (11) outlet for being arranged on second adsorption tower
Hold the 8th magnetic valve (8-8) and the 4th magnetic valve (8-4) between on pipeline, be arranged on the feed tube of the first cooling ring (14-1)
On the 9th magnetic valve (8-9), be arranged on the drain pipe of the first cooling ring (14-1) the tenth magnetic valve (8-10), be arranged on
The 11st magnetic valve (8-11) on second cooling ring (14-2) feed tube and it is arranged on the drain pipe of the second cooling ring (14-2)
On the 12nd magnetic valve (8-12).
5. Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision, its feature are purified according to a kind of coal bed gas described in claim 1 or 4
It is：The air distribution system includes gas circuit unit and the mixed gas cylinder (6) being connected with the gas circuit unit, and the gas circuit unit includes
The first filter (1-1), pressure maintaining valve (2), mass flowmenter (3), the first check-valve (4-1) and being sequentially communicated by pipeline
Tow filtrator (1-2), is provided with second pressure table (5-2) at the top of the mixed gas tank (6), the mixed gas cylinder (6) passes sequentially through
Second check-valve (4-2), first manual valve (10-1) and the first rotor flowmeter (9-1) are connected with the adsorption tower, the gas
The quantity of road unit is multiple.
6. Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision is purified according to a kind of coal bed gas described in claim 5, its feature exists
In：The waste gas collecting system includes exhaust gas collector (21), and the exhaust gas collector (21) passes sequentially through methane detector
(20), the second spinner flowmeter (9-2) and the 4th hand-operated valve (10-4) are all connected with two adsorption towers.
7. Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision is purified according to a kind of coal bed gas described in claim 5, its feature exists
In：The methane collection system includes methane collection device (19), and the methane collection device (19) passes sequentially through third trochanter flow
Meter (9-3) and the 3rd hand-operated valve (10-3) are connected with vavuum pump (18), and vavuum pump (18) is by the second hand-operated valve (10-2) and two
The individual adsorption tower is all connected with.
8. Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision is purified according to a kind of coal bed gas described in claim 1, its feature exists
In：The quantity of the thermocouple (16) on the holding furnace (13) is multiple.
9. Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision is purified according to a kind of coal bed gas described in claim 3, its feature exists
In：The low temperature thermostat bath (15) uses the low temperature thermostat bath of model DC-3010.
10. Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision is purified according to a kind of coal bed gas described in claim 1, its feature exists
In：The dust-arrest device (17) is by two-layer copper sintered filter core (17-1) and the filter being arranged between two-layer copper sintered filter core (17-1)
Cotton (17-2) is constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621280440.8U CN206252986U (en) | 2016-11-25 | 2016-11-25 | A kind of coal bed gas purifies Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621280440.8U CN206252986U (en) | 2016-11-25 | 2016-11-25 | A kind of coal bed gas purifies Vacuum Pressure Swing power transformation Coupling Adsorption experimental provision |
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| CN206252986U true CN206252986U (en) | 2017-06-16 |
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ID=59027778
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109569182A (en) * | 2018-11-28 | 2019-04-05 | 中国矿业大学 | A kind of temperature and pressure collaboration gas absorption system for separating and purifying |
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2016
- 2016-11-25 CN CN201621280440.8U patent/CN206252986U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109569182A (en) * | 2018-11-28 | 2019-04-05 | 中国矿业大学 | A kind of temperature and pressure collaboration gas absorption system for separating and purifying |
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