CN208073460U - A kind of drilling gas gushes out initial velocity analyzer calibrating installation - Google Patents
A kind of drilling gas gushes out initial velocity analyzer calibrating installation Download PDFInfo
- Publication number
- CN208073460U CN208073460U CN201820371117.4U CN201820371117U CN208073460U CN 208073460 U CN208073460 U CN 208073460U CN 201820371117 U CN201820371117 U CN 201820371117U CN 208073460 U CN208073460 U CN 208073460U
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- China
- Prior art keywords
- gas
- initial velocity
- drilling
- velocity analyzer
- calibrating installation
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Abstract
The utility model is related to a kind of drilling gas to gush out initial velocity analyzer calibrating installation.It includes gas circuit that drilling gas, which gushes out initial velocity analyzer calibrating installation, the gas circuit is equipped with air inlet for being connect with air source and for gushing out the gas outlet that initial velocity analyzer is connect with drilling gas, and pressure reducing valve and flowmeter are connected in turn in the gas circuit between air inlet and gas outlet.The drilling gas of the utility model, which gushes out initial velocity analyzer calibrating installation and can detect drilling gas, gushes out initial velocity analyzer with the presence or absence of error and having the characteristics that easy to use, easy to operate.
Description
Technical field
The utility model is related to a kind of drilling gas to gush out initial velocity analyzer calibrating installation.
Background technology
It is one of the important indicator for predicting Coal Seam Outburst Hazard that drilling gas, which gushes out initial velocity, it refers in end of drilling
Afterwards, sealing of hole is carried out at once, measures the maximum gas amount that closed section is gushed out, and principle is based on prominent coal and non-protruding coal in gas solution
Difference in pipette and desorption rate, prominent coal desorption of mash gas amount is big, and initial desorption of mash gas speed is fast, parsing amount declining at any time
Deceleration is also fast.
Drilling gas gush out initial velocity size depend on coal seam gas-bearing capacity, coal-bed gas pressure, coal extent of the destruction,
The factors such as physico-mechanical properties, i.e., it almost reflect the whole factors for determining Coal Outburst danger, be for underground coal mine work
An important indicator for making the danger of face prediction coal and gas prominent or outburst prevention measures validity check is by domestic and international vast coal
Scientific and technical personnel obtain by studying for a long period of time and testing.
Currently, scene gushes out initial velocity analyzer measurement drilling gas frequently with WY-30 drilling gas gushes out initial velocity, first
Electricity consumption coal borer or wind coal borer drive auger stem, drill in coal seam, often creep into one meter or drilling arrives predetermined depth, exit brill
Bar is then fed into hole packer, inflates sealing of hole with inflator, the stream in initial velocity analyzer is finally gushed out with WY-30 drilling gas
Gauge measure drill contact after specific length gas flow.Since subsurface environment is severe, WY-30 drilling gas gushes out initial velocity
Instrument is influenced analyzer by vibrations and environment in use, the larger phenomenon of flow watchcase error often occurs.Coal mine one
As there is no associated check device, cannot find in time there are problem instrument, problem can only be sent to genuine or related calibration authority
Could be found when being verified, cause usually measurement data be possible to be distorted.
Utility model content
The purpose of this utility model is to provide a kind of drilling gas to gush out initial velocity analyzer calibrating installation, solves nothing
Method finds the problem of drilling gas of problems gushes out initial velocity analyzer in time.
To achieve the above object, the drilling gas of the utility model gushes out the technical solution of initial velocity analyzer calibrating installation
It is:
Drilling gas gushes out initial velocity analyzer calibrating installation includes gas circuit, and the gas circuit is equipped with for being connect with air source
Air inlet and for gushing out the gas outlet that initial velocity analyzer is connect with drilling gas, the gas circuit between air inlet and gas outlet
On be connected with pressure reducing valve and flowmeter in turn.
Advantageous effect:Gush out initial velocity analyzer calibrating installation using the drilling gas of the utility model and examines and determine drilling gas
When gushing out initial velocity analyzer, the air inlet of gas circuit is connect with air source, gas outlet in drilling gas gush out initial velocity analyzer
Connection, and pressure reducing valve is connected in the gas circuit of air inlet rear end, pressure reducing valve is depressured the gas in air source, the gas after decompression
Body enters drilling gas through flowmeter and gushes out initial velocity analyzer, and flowmeter will produce corresponding readings when gas flows through flowmeter,
Gas enters after drilling gas gushes out initial velocity analyzer, and the flowmeter that drilling gas is gushed out in initial velocity analyzer also generates phase
It should read, compare the reading of two flowmeters, if reading is identical, it is accurate to illustrate that drilling gas gushes out initial velocity analyzer, if
Two meter readings differences, then illustrate to gush out initial velocity analyzer by drilling gas that there are errors.The drilling watt of the utility model
This, which is gushed out initial velocity analyzer calibrating installation and can detect drilling gas, gushes out initial velocity analyzer with the presence or absence of error and having
Have the characteristics that easy to use, easy to operate.
Further, the flowmeter is equipped with the regulating valve for going out throughput for adjusting flowmeter.It is arranged on flowmeter
Flow control valve, flow control valve can adjust the gas flow for gushing out speed determinator into drilling gas, when this practicality is new
The drilling gas of type gushes out the calibrating of initial velocity analyzer calibrating installation and finds that drilling gas gushes out initial velocity analyzer there are errors
When, it can be changed by regulating valve and enter drilling gas and gush out the gas flow of initial velocity analyzer, it can be with by repeatedly reconciling
The calculating drilling gas that goes wrong gushes out initial velocity analyzer error amount, improves the accuracy of underground survey data.
Further, it is connected in the gas circuit between the pressure reducing valve and flowmeter for showing gas pressure in gas circuit
Pressure gauge.Pressure gauge helps to accurately control admission pressure.
Further, it is connected in the gas circuit between the pressure reducing valve and pressure gauge contained in gas for filtering in gas circuit
The filter device of impurity.It is pure that the gas that filter device contributes to enhancing to gush out initial velocity analyzer into drilling gas is set
Degree, to contribute to reduction air inlet to gush out the damage of initial velocity analyzer to drilling gas.
Further, the pressure reducing valve, pressure gauge and filter device are wholely set.Pressure reducing valve, pressure gauge and filter device
Being wholely set helps to reduce volume, to enhance the applicability of the utility model.
Further, it includes fixed substrate that the drilling gas, which gushes out initial velocity analyzer calibrating installation, the flowmeter,
Pressure reducing valve, pressure gauge and filter device are installed in fixed substrate.Flowmeter, pressure reducing valve, pressure gauge and filter device are installed
Contribute to the stability of enhancing the utility model in fixed substrate.
Further, the flow is calculated as glass rotameter.
Description of the drawings
Fig. 1 is the structural representation that the drilling gas of the utility model gushes out the embodiment one of initial velocity analyzer calibrating installation
Figure;
Fig. 2 is the structural representation that the drilling gas of the utility model gushes out the embodiment two of initial velocity analyzer calibrating installation
Figure;
Fig. 3 is the structural representation that the drilling gas of the utility model gushes out the embodiment three of initial velocity analyzer calibrating installation
Figure;
In attached drawing:1, air inlet pipe;2, pressure reducing valve;3, pressure gauge;4, filter device;5, connecting tube;6, glass rotors flow
Meter;7, regulating valve;8, dial;9, escape pipe;10, pressure reducing valve;11, pressure gauge;12, filter device.
Specific implementation mode
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The drilling gas of the utility model gushes out the specific embodiment one of initial velocity analyzer calibrating installation, as shown in Figure 1,
Including shell, shell is rectangular transparent shell, and shell includes fixed substrate, and the surrounding head and the tail of substrate are connected with four pieces of risers.
Gas circuit is installed on substrate, gas circuit includes gas outlet and air inlet, in use, air inlet is connect with air source, gas outlet and brill
Hole gas inrush initial velocity analyzer connection.Flowmeter is serially connected in gas circuit, the flow in the present embodiment is calculated as glass rotors stream
Gauge 6, certainly, glass rotameter 6 can also be replaced by other kinds of flowmeter in other embodiments, glass rotors
Flowmeter 6 includes being vertically arranged tapered glass tube, is provided with dial 8 on the outside of glass tube, tapered glass tube is provided with air admission hole
And venthole, air admission hole are located at the lower end of glass tube, venthole is located at the upper end of glass tube, have in glass tube can be in pipe on
The float of lower movement also has the regulating valve 7 for adjusting air inflow, the adjusting in the present embodiment on glass rotameter 6
Valve 7 adjusts air inflow by way of screwing, and regulating valve 7 is located at one end of glass tube setting air admission hole, and regulating valve 7 adjusts
During air inflow, the float in glass rotameter 6 moves up and down and corresponds to different scale values.Glass rotameter
6 air admission hole is connected with connecting tube 5, and venthole is connected with the escape pipe 9 for being connect with drilling gas initial velocity analyzer, goes out
It is gas outlet that tracheae 9, which deviates from the one end being connect with glass rotameter 6,.Connecting tube 5 and escape pipe 9 are rubber tube, are used
On the one hand rubber tube helps to connect with the venthole of glass rotameter 6 and air admission hole, another aspect rubber tube is bent
Help to enhance the convenience of the utility model in use.The connecting tube 5 being connect with glass rotameter 6 it is another
End is connected with pressure reducing valve 2, and pressure reducing valve 2 can reduce admission pressure to play protective glass spinner flowmeter 6 and drilling watt
This gushes out the effect of initial velocity analyzer.In order to intuitive, quantitative adjusting admission pressure, the rear end of pressure reducing valve 2 is connected with
Pressure gauge 3, pressure gauge 3 can intuitively show the admission pressure occurrence after the adjusting of pressure reducing valve 2.Because in some air sources containing
Particulate inclusions, particulate contamination are probably gushed out initial velocity analyzer calibrating installation to the drilling gas of the utility model and are caused
Damage, therefore filter device 4 is connected with after pressure reducing valve 2, which can filter out the impurity in air source, in other realities
It applies in example, filter device 4 can also be connected to the front end of pressure reducing valve 2 or the rear end of pressure gauge 3 and pressure reducing valve 2 and pressure gauge 3
Between position, the front end exit of pressure reducing valve 2 is connected with the air inlet pipe 1 for being connect with air source, and air inlet pipe 1 deviates from and pressure reducing valve
One end of 2 connections is air inlet.Pressure reducing valve, pressure gauge and filter device in the present embodiment are wholely set.
The drilling gas of the utility model gushes out initial velocity analyzer calibrating installation in use, by the air inlet of air inlet pipe 1
It is connect with air source, gas outlet and the drilling gas of escape pipe 9 are gushed out initial velocity analyzer and connect, and adjusting pressure reducing valve 2 reduces air inlet
Pressure is to setting value, and gas flows through glass rotameter 6 and generates corresponding discharge reading, and then gas flows through drilling gas and gushes
The flowmeter gone out in initial velocity analyzer generates corresponding readings.If the accredited drilling of the identical explanation of the reading of two flowmeters
Gas inrush initial velocity analyzer does not have error;Illustrate that accredited drilling gas gushes if the reading of two flowmeters is different
Going out initial velocity analyzer, there are errors.When accredited drilling gas gushes out initial velocity analyzer there are when error, glass is adjusted
Regulating valve 7 on spinner flowmeter 6 adjusts air inflow to other values, and drilling gas gushes out the production of the flowmeter in initial velocity analyzer
Raw corresponding numerical value goes out drilling gas of problems according to the mathematic interpolation between corresponding numerical value and gushes out initial velocity analyzer
Error amount, to can still be bored with Accurate Determining in the case that initial velocity analyzer is calibrated not gushing out to problem drilling gas
Hole gas inrush initial velocity.
The drilling gas of the utility model gushes out the specific embodiment two of initial velocity analyzer calibrating installation, as shown in Fig. 2,
Including shell, shell is rectangular transparent shell, and shell includes fixed substrate, and the surrounding head and the tail of substrate are connected with four pieces of risers.
Gas circuit is installed on substrate, gas circuit includes gas outlet and air inlet, in use, air inlet is connect with air source, gas outlet and brill
Hole gas inrush initial velocity analyzer connection.Flowmeter is serially connected in gas circuit, the flow in the present embodiment is calculated as glass rotors stream
Gauge 6, certainly, glass rotameter 6 can also be replaced by other kinds of flowmeter in other embodiments, glass rotors
Flowmeter 6 includes being vertically arranged tapered glass tube, is provided with dial 8 on the outside of glass tube, tapered glass tube is provided with air admission hole
And venthole, air admission hole are located at the lower end of glass tube, venthole is located at the upper end of glass tube, have in glass tube can be in pipe on
The float of lower movement also has the regulating valve 7 for adjusting air inflow, the adjusting in the present embodiment on glass rotameter 6
Valve 7 adjusts air inflow by way of screwing, and regulating valve 7 is located at one end of glass tube setting air admission hole, and regulating valve 7 adjusts
During air inflow, the float in glass rotameter 6 moves up and down and corresponds to different scale values.Glass rotameter
6 air admission hole is connected with connecting tube 5, and venthole is connected with the escape pipe 9 for being connect with drilling gas initial velocity analyzer, goes out
It is gas outlet that tracheae 9, which deviates from the one end being connect with glass rotameter 6,.Connecting tube 5 and escape pipe 9 are rubber tube, are used
On the one hand rubber tube helps to connect with the venthole of glass rotameter 6 and air admission hole, another aspect rubber tube is bent
Help to enhance the convenience of the utility model in use.The connecting tube 5 being connect with glass rotameter 6 it is another
End is connected with pressure reducing valve 2, and pressure reducing valve 2 can reduce admission pressure to play protective glass spinner flowmeter 6 and drilling watt
This gushes out the effect of initial velocity analyzer.In order to intuitive, quantitative adjusting admission pressure, the rear end of pressure reducing valve 2 is connected with
Pressure gauge 3, pressure gauge 3 can intuitively show the admission pressure occurrence after the adjusting of pressure reducing valve 2.
The drilling gas of the utility model gushes out initial velocity analyzer calibrating installation in use, by the air inlet of air inlet pipe 1
It is connect with air source, gas outlet and the drilling gas of escape pipe 9 are gushed out initial velocity analyzer and connect, and adjusting pressure reducing valve 2 reduces air inlet
Pressure is to setting value, and gas flows through glass rotameter 6 and generates corresponding discharge reading, and then gas flows through drilling gas and gushes
The flowmeter gone out in initial velocity analyzer generates corresponding readings.If the accredited drilling of the identical explanation of the reading of two flowmeters
Gas inrush initial velocity analyzer does not have error;Illustrate that accredited drilling gas gushes if the reading of two flowmeters is different
Going out initial velocity analyzer, there are errors.When accredited drilling gas gushes out initial velocity analyzer there are when error, glass is adjusted
Regulating valve 7 on spinner flowmeter 6 adjusts air inflow to other values, and drilling gas gushes out the production of the flowmeter in initial velocity analyzer
Raw corresponding numerical value goes out drilling gas of problems according to the mathematic interpolation between corresponding numerical value and gushes out initial velocity analyzer
Error amount, to can still be bored with Accurate Determining in the case that initial velocity analyzer is calibrated not gushing out to problem drilling gas
Hole gas inrush initial velocity.
The drilling gas of the utility model gushes out the specific embodiment three of initial velocity analyzer calibrating installation, as shown in figure 3,
It is in place of the difference of embodiment one, the pressure reducing valve 10, pressure gauge 11 in the present embodiment and 12 split settings of filter device.Gas
Pressure reducing valve 10, pressure gauge 11 and filter device 12 have been sequentially connected in series between the air inlet and gas outlet on road.Certainly, in other implementations
In example, filter device 12 can also be connected between pressure reducing valve 10 and pressure gauge 11.Other are identical as embodiment one, no longer superfluous
It states.
Claims (7)
1. a kind of drilling gas gushes out initial velocity analyzer calibrating installation, it is characterised in that:Including gas circuit, the gas circuit, which is equipped with, to be used
In the air inlet being connect with air source and for gushing out the gas outlet that initial velocity analyzer is connect with drilling gas, air inlet with go out
It is connected with pressure reducing valve and flowmeter in turn in gas circuit between gas port.
2. drilling gas according to claim 1 gushes out initial velocity analyzer calibrating installation, it is characterised in that:The flow
Meter is equipped with the regulating valve for going out throughput for adjusting flowmeter.
3. drilling gas according to claim 1 or 2 gushes out initial velocity analyzer calibrating installation, it is characterised in that:It is described
The pressure gauge for showing gas pressure in gas circuit is connected in gas circuit between pressure reducing valve and flowmeter.
4. drilling gas according to claim 3 gushes out initial velocity analyzer calibrating installation, it is characterised in that:The decompression
The filter device for filtering impurities in gas in gas circuit is connected in gas circuit between valve and pressure gauge.
5. drilling gas according to claim 4 gushes out initial velocity analyzer calibrating installation, it is characterised in that:The decompression
Valve, pressure gauge and filter device are wholely set.
6. drilling gas according to claim 5 gushes out initial velocity analyzer calibrating installation, it is characterised in that:The drilling
Gas inrush initial velocity analyzer calibrating installation includes fixed substrate, and the flowmeter, pressure reducing valve, pressure gauge and filter device are equal
In fixed substrate.
7. drilling gas according to claim 1 or 2 gushes out initial velocity analyzer calibrating installation, it is characterised in that:It is described
Flow is calculated as glass rotameter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820371117.4U CN208073460U (en) | 2018-03-19 | 2018-03-19 | A kind of drilling gas gushes out initial velocity analyzer calibrating installation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820371117.4U CN208073460U (en) | 2018-03-19 | 2018-03-19 | A kind of drilling gas gushes out initial velocity analyzer calibrating installation |
Publications (1)
Publication Number | Publication Date |
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CN208073460U true CN208073460U (en) | 2018-11-09 |
Family
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Application Number | Title | Priority Date | Filing Date |
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CN201820371117.4U Expired - Fee Related CN208073460U (en) | 2018-03-19 | 2018-03-19 | A kind of drilling gas gushes out initial velocity analyzer calibrating installation |
Country Status (1)
Country | Link |
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CN (1) | CN208073460U (en) |
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2018
- 2018-03-19 CN CN201820371117.4U patent/CN208073460U/en not_active Expired - Fee Related
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 Termination date: 20200319 |
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CF01 | Termination of patent right due to non-payment of annual fee |