CN206920274U - A kind of automatic desorption instrument of novel methane gas - Google Patents
A kind of automatic desorption instrument of novel methane gas Download PDFInfo
- Publication number
- CN206920274U CN206920274U CN201720360893.XU CN201720360893U CN206920274U CN 206920274 U CN206920274 U CN 206920274U CN 201720360893 U CN201720360893 U CN 201720360893U CN 206920274 U CN206920274 U CN 206920274U
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- China
- Prior art keywords
- gas
- magnetic valve
- methane gas
- pipe
- desorption instrument
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Abstract
It the utility model is related to a kind of automatic desorption instrument of novel methane gas, gas collecting portion, gas evacuation section, control section, display input/output section and power unit are provided with its main body, gas collecting portion is connected by pipe with gas evacuation section, and connect control section in a wired fashion and receive instruction, control section is connected in a wired fashion with display input/output section and power unit.Its advantage is that the ripple air bag of gas collecting portion has slight negative pressure, good to the collecting effect of methane gas；Gas flowmeter requires that there is gas certain flow velocity just can guarantee that measurement accuracy, and the utility model takes first gas collection to be pumped release by air pump again, ensure that measurement accuracy, good to the measurement effect of small air-flow；Desorption process all automates, and avoids the factor of artificial maloperation, reduces the energy input of operating personnel, ensure that the accuracy of test data.
Description
Technical field
Gas desorption device is the utility model is related to, more particularly, to a kind of automatic desorption instrument of novel methane gas.
Background technology
The shale gas and coal bed gas of China are widely distributed, and aboundresources, some areas have been carried out commercial-scale operation, but open
It is relatively low to send out technical merit.Correct guidance develops shale gas and coal bed gas to substitute traditional energy can be in the range of future world
One key subjects in energy development field, the problem of also fundamentally alleviating Chinese conventional gas supply and demand deficiency.
Coal bed gas and the main component of shale gas are all methane, conventional methane gas Determination of octafluoropropane content method, first, using
Artificial glass apparatus measure described in GB/T19559-2008, second, being automatically determined using gas flowmeter, third, film gas
Bag gas collection automatically determines.Artificial process expends the energy leakiness reading strong point of operating personnel, and the method for flowmeter is read small air-flow
Take precision not high, the method for film has certain malleation, and easily collecting, latter two method are not unfavorable for methane gas to small air-flow
Desorption measure.
The content of the invention
The utility model aims to overcome that the deficiencies in the prior art, there is provided one kind measurement is accurate, automaticity is high,
The automatic desorption instrument of novel methane gas of small air-flow easily collecting, the automatic desorption instrument use ripple air bag gas collection, and single board computer presses journey
Sequence controls the opening and closing of magnetic valve and vacuum air pump gas is possessed certain flow rate by gas flowmeter, reaches the mesh of accurate recording
's.
In order to solve the problems, such as that prior art is present, the technical solution adopted in the utility model is as follows：
A kind of automatic desorption instrument of novel methane gas, it is characterised in that gas collecting portion, gas emptying are provided with main body
Partly, control section, display input/output section and power unit, gas collecting portion pass through pipe and gas evacuation section phase
Even, control section and is connected in a wired fashion and receives instruction, and control section is with showing input/output section and power unit to have
Line mode connects.
Described gas collecting portion includes gas source interface, magnetic valve one, ripple air bag and pressure sensor, gas source interface
It is connected by pipe with one end of magnetic valve one, the other end of magnetic valve one is connected by pipe with ripple air bag one end, ripple gas
The capsule other end is connected by pipe with pressure sensor.
Described ripple balloon surface is that foldable wrinkle piece is formed by connecting along folding retractable direction.
Described gas evacuation section includes magnetic valve two, air pump, gas flowmeter and exhaust port, and magnetic valve two passes through
Pipe is connected with air pump one end, and the air pump other end is connected by pipe with gas flowmeter one end, and the gas flowmeter other end passes through pipe
It is connected with one end of magnetic valve three, the other end of magnetic valve three is connected with exhaust port.
Described main body includes casing and control panel, and casing is box-shaped hollow structure, covered with chain of command at the top of it
Plate.
Described display input/output section is connected by touch-screen with USB interface with data wire to be formed, and is arranged on chain of command
On plate.
Described power unit includes 220V plugs, switch, ventilating fan, Switching Power Supply and battery, 220V plugs, switch and
Ventilating fan is set on the control panel, and ventilating fan is connected with switch, and 220V plugs and switch are connected with Switching Power Supply, switch
Power supply connection battery is arranged in casing.
Described control section is single board computer.
Casing top of the present utility model covers control panel, placed on control panel LCDs, gas flowmeter,
Ripple gas is placed in ventilating fan, controlling switch, gas source connector, exhaust joint, ventilating fan, 220V plugs and switch, the inside of casing
Capsule, single board computer, air pump, magnetic valve, battery and Switching Power Supply.The utility model is connected by gas source connector with coal sample tank（Coal sample
Tank is auxiliary equipment, not within the scope of the present invention）, coal sample tank inside is coal or shale samples, is desorbed naturally in water bath with thermostatic control
Go out methane gas, its methane gas discharged is collected into ripple air bag, and single board computer is by program timing control magnetic valve and air pump
Opening and closing, pass the gas through the gas in gas flowmeter emptying air bag, gas flow measuring obtains gas volume, recorded touch
In screen, reach the timing purpose measuring and record, after data are exported by USB interface, finally in computer by software at
Reason, form report.
Compared with prior art, the beneficial effects of the utility model are：Ripple air bag has slight negative pressure, to methane gas
Collecting effect it is good；Gas flowmeter requires that there is gas certain flow velocity just can guarantee that measurement accuracy, and this utility model is taken
First gas collection is pumped by air pump again to be discharged, and ensure that measurement accuracy, good to the measurement effect of small air-flow；Desorption process is all automatic
Change, avoid the factor of artificial maloperation, reduce the energy input of operating personnel, ensure that the accuracy of test data.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model schematic appearance；
Fig. 3 is flow chart of the present utility model；
Fig. 4 is the line structure schematic diagram of the utility model 3.
In figure, casing 1, control panel 2, gas source interface 3, touch-screen 4, exhaust port 5,6,220V of switch plugs 7, USB
Interface 8, ventilating fan 9, gas flowmeter 10.
Embodiment
Referring to the drawings, in conjunction with specific embodiments, it is as follows that the present invention is described in detail：
Embodiment 1
The automatic desorption instrument of a kind of methane gas as Figure 1-3, magnetic valve one, the magnetic valve three of magnetic valve two are in after start
Closed mode, coal or shale samples are fitted into coal sample tank, " emptying " Touch control key of point touching screen, magnetic valve two and magnetic valve
Three open, while air pump is opened and empties gas in ripple air bag, treat that pressure sensor is measured in ripple air bag in emptying
After state, magnetic valve two, magnetic valve three and air pump are closed, gas flowmeter 10 is reset, and are now 0 moment；" beginning " is clicked on to touch
Control key, magnetic valve one are opened, and have collected the methane gas discharged in coal sample tank after 5 minutes in ripple air bag, at this moment single
Trigger is closed by programme-control magnetic valve one, and magnetic valve two and magnetic valve three are opened, and air pump is by methane gas in ripple air bag through gas
Flowmeter body 10 is emptied, and after pressure sensor measures the emptying of ripple air bag, magnetic valve two, magnetic valve three and air pump are closed, electromagnetism
Valve one is opened, and this is the first measuring point；Above procedure is repeated, the time of collection methane gas is changed to 10 minutes, this is the second note
Record point；The time for collecting methane gas surveys 6 times when being 10 minutes；The time for collecting methane gas surveys 4 times when being 5 minutes；Collect methane
Surveyed 2 times when the time of gas is 30 minutes；The time for collecting methane gas surveys 1 time when being 60 minutes；The time for collecting methane gas is 120
Surveyed 2 times during minute；It is accumulative to survey completely 8 hours；Afterwards collect methane gas time be changed to 24 hours be a measuring point, treat continuous 10 days
When tolerance is less than 10ML, " stoppings " Touch control key is clicked on, by USB interface export data, finally in computer by software processing,
Form test report.
Embodiment 2
The automatic desorption instrument of a kind of methane gas as in Figure 2-4, can measure 3 groups of samples simultaneously, equivalent to 3 sets manual testings
Equipment, magnetic valve one to nine is closed after start, 3 groups of coals or shale samples is fitted into coal sample tank, point touching screen
" emptying " Touch control key, magnetic valve two, magnetic valve three, magnetic valve five, magnetic valve six, magnetic valve eight, magnetic valve nine open, simultaneously
Air pump is opened and empties gas in ripple air bag one to three, treats that pressure sensor one to three measures and has located in ripple air bag one to three
After emptying state, magnetic valve two, magnetic valve three, magnetic valve five, magnetic valve six, magnetic valve eight, magnetic valve nine and air pump closing,
Gas flowmeter 10 is reset, and is now 0 moment；" beginning " Touch control key is clicked on, magnetic valve one, magnetic valve four, magnetic valve seven are opened
Open, have collected the methane gas discharged in coal sample tank after 5 minutes in ripple air bag one to three, at this moment single board computer presses program
Control magnetic valve one, magnetic valve four, magnetic valve seven are closed, magnetic valve two, magnetic valve three, magnetic valve five, magnetic valve six, magnetic valve
Eight and magnetic valve nine open, air pump empties methane gas in ripple air bag one to three through gas flowmeter 10 respectively, pressure sensing
After device one to three measures the emptying of ripple air bag one to three, magnetic valve two, magnetic valve three, magnetic valve five, magnetic valve six, magnetic valve
8th, magnetic valve nine and air pump are closed, and magnetic valve one, magnetic valve four, magnetic valve seven are opened, and this is the first measuring point；More than repeating
Process, the time of collection methane gas be changed to 10 minutes be the second measuring point；The time for collecting methane gas surveys 6 when being 10 minutes
It is secondary；The time for collecting methane gas surveys 4 times when being 5 minutes；The time for collecting methane gas surveys 2 times when being 30 minutes；Collect methane gas
Time be 60 minutes when survey 1 time；The time for collecting methane gas surveys 2 times when being 120 minutes；It is accumulative to survey completely 8 hours；Collect afterwards
The time of methane gas be changed to 24 hours be a measuring point, when continuous 10 days tolerance is less than 10ML, click on " stoppings " Touch control key, it is logical
USB interface export data are crossed, test report is finally formed by software processing in computer.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of automatic desorption instrument of novel methane gas, it is characterised in that gas collecting portion, gas emptying portion are provided with main body
Point, control section, display input/output section and power unit, gas collecting portion be connected by pipe with gas evacuation section,
And connect control section in a wired fashion and receive instruction, control section is with display input/output section and power unit with wired side
Formula connects.
2. a kind of automatic desorption instrument of novel methane gas according to claim 1, it is characterised in that described main body includes case
Body 1 and control panel 2, casing 1 is box-shaped hollow structure, covered with control panel 2 at the top of it.
A kind of 3. automatic desorption instrument of novel methane gas according to claim 1, it is characterised in that described gas collection portion
Dividing includes gas source interface 3, magnetic valve one, ripple air bag and pressure sensor, and gas source interface 3 passes through one end of pipe and magnetic valve one
Connection, the other end of magnetic valve one are connected by pipe with ripple air bag one end, and the ripple air bag other end is passed by pipe and pressure
Sensor is connected.
A kind of 4. automatic desorption instrument of novel methane gas according to claim 3, it is characterised in that described ripple air bag table
Face is that foldable wrinkle piece is formed by connecting along folding retractable direction.
A kind of 5. automatic desorption instrument of novel methane gas according to claim 1, it is characterised in that described gas emptying portion
Dividing includes magnetic valve two, air pump, gas flowmeter 10 and exhaust port 5, and magnetic valve two is connected by pipe with air pump one end, air pump
The other end is connected by pipe with the one end of gas flowmeter 10, and the other end of gas flowmeter 10 is connected by one end of pipe and magnetic valve three
Connect, the other end of magnetic valve three is connected with exhaust port 5.
6. a kind of automatic desorption instrument of novel methane gas according to claim 1, it is characterised in that described display input is defeated
Go out partly to be connected with data wire with USB interface 8 by touch-screen 4 and form, be arranged on control panel 2.
A kind of 7. automatic desorption instrument of novel methane gas according to claim 1, it is characterised in that described power supply unit subpackage
220V plugs 7, switch 6, ventilating fan 9, Switching Power Supply and battery are included, 220V plugs 7, switch 6 and ventilating fan 9 are arranged on chain of command
On plate 2, ventilating fan 9 is connected with switch 6, and 220V plugs 7 and switch 6 are connected with Switching Power Supply, Switching Power Supply connection battery
It is arranged in casing 1.
8. a kind of automatic desorption instrument of novel methane gas according to claim 1, it is characterised in that described control section is
Single board computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720360893.XU CN206920274U (en) | 2017-04-07 | 2017-04-07 | A kind of automatic desorption instrument of novel methane gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720360893.XU CN206920274U (en) | 2017-04-07 | 2017-04-07 | A kind of automatic desorption instrument of novel methane gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206920274U true CN206920274U (en) | 2018-01-23 |
Family
ID=61306710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720360893.XU Expired - Fee Related CN206920274U (en) | 2017-04-07 | 2017-04-07 | A kind of automatic desorption instrument of novel methane gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206920274U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108287095A (en) * | 2018-03-27 | 2018-07-17 | 贵州省煤田地质局实验室 | A kind of portable gas desorption apparatus |
| CN109211722A (en) * | 2018-08-15 | 2019-01-15 | 贵州大学 | A kind of shale gas desorption pressures test device |
-
2017
- 2017-04-07 CN CN201720360893.XU patent/CN206920274U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108287095A (en) * | 2018-03-27 | 2018-07-17 | 贵州省煤田地质局实验室 | A kind of portable gas desorption apparatus |
| CN109211722A (en) * | 2018-08-15 | 2019-01-15 | 贵州大学 | A kind of shale gas desorption pressures test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180123 Termination date: 20180407 |