CN207964543U - Experiment platform for measuring deep well exhaust efficiency - Google Patents
Experiment platform for measuring deep well exhaust efficiency Download PDFInfo
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- CN207964543U CN207964543U CN201820086564.5U CN201820086564U CN207964543U CN 207964543 U CN207964543 U CN 207964543U CN 201820086564 U CN201820086564 U CN 201820086564U CN 207964543 U CN207964543 U CN 207964543U
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- 238000002474 experimental method Methods 0.000 title claims abstract description 68
- 239000000571 coke Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
- 238000000926 separation method Methods 0.000 claims description 16
- 239000004744 fabric Substances 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 239000008187 granular material Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 239000003570 air Substances 0.000 description 96
- 239000007789 gas Substances 0.000 description 69
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000000945 filler Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000002274 desiccant Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model discloses an experiment platform for measuring deep well exhaust efficiency relates to the ground connection technical field in the direct current transmission engineering. The method is used for solving the problem of optimizing the exhaust efficiency of the deep well where the vertical grounding electrode is located. The utility model discloses an experiment platform for measuring deep well exhaust efficiency includes air feeder, experimental apparatus and air speed measuring device, the air feeder is used for exporting gas; the experimental device comprises a closed experimental barrel, wherein coke mixed liquid is contained in the closed experimental barrel, a first air inlet pipe and a first air outlet pipe are arranged on the top wall of the closed experimental barrel in a penetrating manner, the number of the first air outlet pipes is multiple, the intervals between the multiple first air outlet pipes and the first air inlet pipes are different, and the upper end of the first air inlet pipe is connected with a gas speed measuring device; the gas velocity measuring device is used for measuring the velocity of gas exhausted from the first exhaust pipe. The utility model discloses an experiment platform is used for experimental difference to present the exhaust efficiency of the flagging direct earth pole deep well of place of interval between stick, the blast pipe.
Description
Technical field
The utility model is related to the grounding technology fields in DC transmission engineering, more particularly to one kind is for measuring deep-well row
The experiment porch of gas efficiency.
Background technology
Currently, in grounding technology field in DC transmission engineering, deep-well type vertical grounding electrode refers to erecting feed rod
A kind of ground structure that straight cutting is entered in Deep Underground and filled using coke, it is deep compared to the horizontal grounding pole of shallow buried type
Well type vertical grounding electrode is because its requirement small with floor space, to addressing region is low, ground resistance is small low with step voltage etc.
Advantage, and obtained more and more concerns.
For feed rod in deep-well type vertical grounding electrode during to stratum diffusing, ideal state is to pass through feed rod
The path on → coke → stratum is conductive as electrons, but in fact, inevitably there is water in deep-well, electric current is in water
When middle conduction, it is easy to decompose water and generates the hydrogen and oxygen for being insoluble in water, if deep-well cannot be effectively discharged in hydrogen and oxygen,
It will be attached in the form of bubble in the filled media in deep-well, with being continuously increased for gas flow, ground resistance accordingly increases,
Feed rod is eventually led to be unable to fully spill into electric current in stratum.
In order to avoid the above problem, a solution in the prior art is several centimeters installations one around feed rod
Root or the more exhaust pipes parallel with feed rod offer air admission hole on the side wall of exhaust pipe, and air inlet position is coated with for keeping away
Exempt from the filter cloth that coke blocks air admission hole, the filter cloth that the hydrogen and oxygen generated in such deep-well may pass through air inlet position enters exhaust
In pipe, and it is discharged by exhaust pipe.But the spacing between exhaust pipe and feed rod will directly affect deep-well residing for earthing pole
Exhaust efficiency, and there is no at present about between the exhaust efficiency of deep-well residing for spacing between exhaust pipe, feed rod and earthing pole
The research of relationship to be difficult to select spacing between suitable exhaust pipe, feed rod, and then cannot make deep-well residing for earthing pole
Exhaust efficiency is optimal.
Utility model content
The utility model provides a kind of experiment porch for measuring deep-well exhaust efficiency, for solving how to make deep-well type
The problem of exhaust efficiency of deep-well residing for vertical grounding electrode is optimal.
It is a kind of for measuring the experiment porch of deep-well exhaust efficiency that in order to achieve the above object, the utility model provides, packet
The gentle speed measuring device of feeder, experimental provision is included,
The feeder is used for output gas；
The experimental provision includes closed experiment bucket, accommodates in the closed experiment bucket and to be made of water and coke granule
Coke mixed liquor is equipped with the first air inlet pipe and first exhaust vertically extended on the roof of the closed experiment bucket
Pipe, the upper end opening of first air inlet pipe are connected to the gas delivery port of the feeder, first air inlet pipe and institute
The lower end for stating downtake pipe is stretched into the coke mixed liquor, the quantity of the downtake pipe be it is multiple, it is multiple described
Spacing between downtake pipe and first air inlet pipe is different, and each downtake pipe exposes the closed reality
It tests on the pipeline section outside bucket and is serially connected with controlled valve, the lower ending opening of first air inlet pipe and the downtake pipe seals
Close, venthole offered in the bottom side of the wall of first air inlet pipe, offered in the bottom side of the wall of the downtake pipe into
Stomata, and first air inlet pipe and the bottom side of the wall of downtake pipe are coated with filter cloth in one week；
The gas velocity measuring device is used to measure the speed of the gas of the downtake pipe discharge.
Specifically, the gas velocity measuring device includes the first hermetically sealed can, the second hermetically sealed can and the first electronic scale,
Water is stored in first hermetically sealed can, and the second air inlet pipe and drain pipe, institute are connected on first hermetically sealed can
The one end for stating the second air inlet pipe is connected to one end that the downtake pipe stretches out outside the closed experiment bucket, the other end with it is described
The superjacent air space connection of water in first hermetically sealed can, one end of the drain pipe is immersed in the water in first hermetically sealed can, another
End is stretched out outside first hermetically sealed can,
Second hermetically sealed can is located on first electronic scale, and is connected with inlet tube on second hermetically sealed can, institute
The one end for stating inlet tube is connected to the one end stretched out on the drain pipe outside first hermetically sealed can, the other end and described second close
The inner space of sealed cans is connected to.
Further, the experiment porch further includes gas-liquid separation device, and the gas-liquid separation device is connected to the reality
Between experiment device and the gas velocity measuring device, for measuring the downtake pipe discharge by the gas velocity measuring device
Gas speed before, isolate the moisture in the gas of downtake pipe discharge.
Specifically, the gas-liquid separation device includes third hermetically sealed can,
The third hermetically sealed can is connected with third air inlet pipe and second exhaust pipe, one end of the third air inlet pipe with it is described
Downtake pipe stretches out the connection of one end outside the closed experiment bucket, and the other end is connected to the third hermetically sealed can, and described second
One end of exhaust pipe is connected to the upper space in the third hermetically sealed can, and the other end and second air inlet pipe stretch out described the
One end of one hermetically sealed can is connected to.
Preferably, water supply pipe is equipped on the side wall or roof of the closed experiment bucket, the water supply pipe exposes described close
It closes on the pipeline section outside experiment bucket and is serially connected with controlled valve.
Preferably, the quantity of the downtake pipe is two, two downtake pipes and first air inlet pipe
Between spacing be respectively 20mm and 50mm.
Preferably, the gas-liquid separation device further includes the second electronic scale, and the third hermetically sealed can is positioned over described second
On electronic scale.
Preferably, the gas velocity measuring device further includes third electronic scale, and first hermetically sealed can is positioned over the third
On electronic scale.
Further, the feeder includes air compressor, air accumulator and regulating device, the air compressor
It being stored to the air accumulator in compressed air, and by compressed air, the air accumulator is connected to first air inlet pipe,
The regulating device is used to adjust the power of the air compressor.
Preferably, it is equipped with air gauge in first air inlet pipe and multiple downtake pipes.
A kind of experiment porch for measuring deep-well exhaust efficiency provided by the utility model, gas are exported by feeder
Afterwards, can be entered in the first air inlet pipe by the upper end opening of the first air inlet pipe, and by the outlet in the bottom side of the wall of the first air inlet pipe
Hole enters across filter cloth in coke mixed liquor, and gas transmits in coke mixed liquor, and by the air admission hole of downtake pipe lower end
It into downtake pipe, is then discharged by downtake pipe, downtake pipe row is measured finally by gas velocity measuring device
The speed of the gas gone out.During the experiment, multiple downtake pipes can be connect with gas velocity measuring device successively, it is more to carry out
Secondary experiment, and simulate the exhaust efficiency between different feed rods, exhaust pipe under spacing, to obtain feed rod, exhaust pipe it
Between deep-well residing for spacing and earthing pole exhaust efficiency between relationship, and then can select suitable feed rod, exhaust pipe it
Between spacing so that the exhaust efficiency of deep-well residing for earthing pole is optimal.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram for the experiment porch that the utility model embodiment is used to measure deep-well exhaust efficiency.
Reference numeral：
1-feeder；11-air compressors；12-air accumulators；13-the first air gauge；2-experimental provisions；21—
Closed experiment bucket；22-filter clothes；23-the first air inlet pipe；24-downtake pipes；25-ventholes；26-air admission holes；27—
Water supply pipe；28-the second air gauge；3-gas velocity measuring devices；31-the first hermetically sealed can；32-the second hermetically sealed can；33-the first
Electronic scale；34-the second air inlet pipe；35-drain pipes；36-inlet tubes；37-filler pipes；38-the first drainpipe；39-the
Three electronic scales；4-gas-liquid separation devices；41-third hermetically sealed cans；42-third air inlet pipe；43-second exhaust pipes；44-the
Two drainpipes；45-the second electronic scale.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that term "center", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indicates or imply and is signified
Device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this practicality
Novel limitation.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
Referring to Fig.1, Fig. 1 is one of the experiment porch that the utility model embodiment is used to measure deep-well exhaust efficiency specific
Embodiment, the present embodiment includes feeder 1, experimental provision 2 and gas velocity for measuring the experiment porch of deep-well exhaust efficiency
Measuring device 3, the feeder 1 are used for output gas；The experimental provision 2 includes closed experiment bucket 21, the closed reality
The coke mixed liquor for accommodating in bucket 21 and being made of water and coke granule is tested, edge is equipped on the roof of the closed experiment bucket 21
The first air inlet pipe 23 and downtake pipe 24 that vertical direction extends, upper end opening and the gas supply of first air inlet pipe 23
The gas delivery port of device 1 is connected to, and the coke is stretched into the lower end of first air inlet pipe 23 and the downtake pipe 24
In mixed liquor, the quantity of the downtake pipe 24 is multiple, multiple downtake pipes 24 and first air inlet pipe 23
Between spacing it is different, each downtake pipe 24 exposes to be serially connected on the pipeline section outside the closed experiment bucket 21
The lower ending opening of controlled valve, first air inlet pipe 23 and the downtake pipe 24 is all closed, first air inlet pipe 23
Bottom side of the wall on offer venthole 25, air admission hole 26 is offered in the bottom side of the wall of the downtake pipe 24, and described
First air inlet pipe 23 and the bottom side of the wall of downtake pipe 24 are coated with filter cloth 22 in one week；The gas velocity measuring device 3 is used for
Measure the speed of the gas of the discharge of the downtake pipe 24.
A kind of experiment porch for measuring deep-well exhaust efficiency provided by the utility model, gas are defeated by feeder 1
After going out, it can be entered in the first air inlet pipe 23 by the upper end opening of the first air inlet pipe 23, and by the bottom side of the wall of the first air inlet pipe 23
On venthole 25 pass through filter cloth 22 enter coke mixed liquor in, gas transmits in coke mixed liquor, and by downtake pipe
The air admission hole 26 of 24 lower ends enters in downtake pipe 24, is then discharged by downtake pipe 24, measures and fills finally by gas velocity
Set the speed for the gas that 3 measure the discharge of downtake pipe 24.During the experiment, can by multiple downtake pipes 24 successively with
Gas velocity measuring device 3 connects, and to carry out test of many times, and simulates the effect of the exhaust between different feed rods, exhaust pipe under spacing
Rate, to obtain the relationship between feed rod, exhaust pipe between the exhaust efficiency of deep-well residing for spacing and earthing pole, and then can be with
The spacing between suitable feed rod, exhaust pipe is selected, so that the exhaust efficiency of deep-well residing for earthing pole is optimal.
In the above-described embodiments, it should be noted that in order to effectively simulate the hydrogen and oxygen in deep-well, feeder 1
The gas of output also should be the gas for being insoluble in water, wherein the gas for being insoluble in water refers to that the meltage in every liter of water is less than
Or this kind of gas equal to 18 milliliters, specifically, the gas that feeder 1 exports can be nitrogen, air, oxygen etc.,
This is not specifically limited.Preferably, the gas that feeder 1 exports is nitrogen or air, and nitrogen and air are in nature
Storage level it is big, it is at low cost, be easy to get.
Wherein, the shape and volume of closed experiment bucket 21 are not specifically limited, exemplary, closed experiment bucket 21 can be
The cylinder barrel of diameter 50cm, high 50cm.
Specifically, gas velocity measuring device 3 can be made as structure shown in Fig. 1, that is, gas velocity measuring device 3 includes first close
Sealed cans 31, the second hermetically sealed can 32 and the first electronic scale 33 store water in first hermetically sealed can 31, are connected on the first hermetically sealed can 31
Second air inlet pipe 34 and drain pipe 35, one end and the downtake pipe 24 of the second air inlet pipe 34 stretch out one outside closed experiment bucket 21
End connection, the other end are connected to the superjacent air space of water in the first hermetically sealed can 31, and the first hermetically sealed can 31 is immersed in one end of drain pipe 35
In interior water, the other end stretches out outside the first hermetically sealed can 31, and the second hermetically sealed can 32 is located on the first electronic scale 33, and the second hermetically sealed can
Inlet tube 36 is connected on 32, one end of inlet tube 36 is connected to the one end stretched out on drain pipe 35 outside first hermetically sealed can 31, separately
One end is connected to the inner space of the second hermetically sealed can 32.In this way, the gas being discharged by downtake pipe 24 can be passed through the first sealing
The superjacent air space of water in tank 31, with gradually increasing for the gas in this space, air pressure also gradually increases, thus by water by drain
Pipe 35 and inlet tube 36 have been pressed into the second hermetically sealed can 32, be can get and are entered in the second hermetically sealed can 32 by the first electronic scale 33
The quality of water, and volume is gone out according to Mass Calculation, so as to obtain the volume for the gas being passed through in the first hermetically sealed can 31, divided by
Time, you can obtain the speed that gas is discharged in downtake pipe 24.This is simple in structure, easy to implement, and passes through the first electronic scale
33 obtain the volume of water in the second hermetically sealed can 32, can avoid artificial error in reading, the measurement to ensure that gas velocity is accurate
Property.
Wherein, in order to water is added into the first hermetically sealed can 31, it is preferred that as shown in Figure 1, the first hermetically sealed can 31 be connected with plus
Water pipe 37, filler pipe 37 exposes is serially connected with controlled valve on the pipeline section outside the first hermetically sealed can 31, can be to first by this filler pipe
Water is added in hermetically sealed can 31.
In addition, in order to remove the water in the second hermetically sealed can 32, in order to be tested next time, it is preferred that such as Fig. 1 institutes
Show, the side wall lower ends of the second hermetically sealed can 32 are equipped with the first drainpipe 38, and the first drainpipe 38 exposes the pipeline section of the second hermetically sealed can 32
On be serially connected with controlled valve.
Further, in order to improve the measurement accuracy of gas velocity, it is preferred that as shown in Figure 1, experiment porch further includes
Gas-liquid separation device 4, gas-liquid separation device 4 are connected between experimental provision 2 and gas velocity measuring device 3, for passing through gas velocity
Before measuring device 3 measures the speed for the gas that downtake pipe 24 is discharged, in the gas for isolating the discharge of downtake pipe 24
Moisture.In this way, the water avoided in gas generates interference to the tachometric survey of gas, to ensure that the measurement of gas velocity
Accuracy.
In the above-described embodiments, the structure of gas-liquid separation device 4 is not specifically limited.It is exemplary, gas-liquid separation device 4
Can be the desiccant cartridge for being serially connected in downtake pipe 24 and accommodating drier, the dehumidifying effect of desiccant cartridge is limited, and the service life
Shorter, must replace drier in use for some time can just be continuing with.Again exemplary, gas-liquid separation device 4 can be made
As shown structure shown in Fig. 1, that is, gas-liquid separation device 4 include third hermetically sealed can 41, third hermetically sealed can 41 be connected with third into
Tracheae 42 and second exhaust pipe 43, one end and the downtake pipe 24 of third air inlet pipe 42 stretch out outside the closed experiment bucket 21
One end is connected to, and the other end is connected to the third hermetically sealed can 41, one end of second exhaust pipe 43 with it is upper in third hermetically sealed can 41
Portion space is connected to, and one end that the other end stretches out the first hermetically sealed can 31 with the second air inlet pipe 34 is connected to.In this way, gas by third into
After tracheae 42 is passed through third hermetically sealed can 41, the moisture in gas will downwards fall under self gravitation effect and store close to third
Bottom space in sealed cans 41, gas are discharged the upper space risen in third hermetically sealed can 41 and by second exhaust pipe 43,
Thereby remove the moisture in gas.This is simple in structure, easy to implement, and lasts a long time.
Wherein, in order to remove the water in third hermetically sealed can 41, in order to carry out next experiment, it is preferred that as shown in Figure 1,
The side wall lower ends of third hermetically sealed can 41 are equipped with the second drainpipe 44, are gone here and there on the pipeline section of the second drainpipe 44 exposing third hermetically sealed can 41
It is connected to controlled valve.
In the prior art, in addition between feed rod, exhaust pipe spacing have an impact to the exhaust efficiency of deep-well residing for earthing pole
Except, the water content in coke mixed liquor also has an impact the exhaust efficiency of deep-well residing for earthing pole, in order to obtain coke mixing
Relationship between the exhaust efficiency of deep-well residing for water content and earthing pole in liquid, it is preferred that as shown in Figure 1, closed experiment bucket
Water supply pipe 27 is equipped on 21 side wall or roof, water supply pipe 27 exposes is serially connected with switch valve on the pipeline section outside closed experiment bucket 21
Door.Thus when once testing the coke mixed liquor for terminating, and needing replacing more high-moisture and being tested, moisturizing can be opened
The controlled valve concatenated on pipe 27, to supplement water into closed experiment bucket 21 by water supply pipe 27, you can increase closed experiment bucket
The water content of coke mixed liquor in 21, this water-refilling operation process is simple, easy to implement.
In the embodiment shown in fig. 1, the quantity of downtake pipe 24 can be two, three, four etc., herein not
Be specifically limited, optionally, as shown in Figure 1, the quantity of downtake pipe 24 be two, two downtake pipes 24 and first into
Spacing between tracheae 23 is respectively 20mm and 50mm.
In order to examine the sealing tightness of closed experiment bucket 21, it is preferred that as shown in Figure 1, gas-liquid separation device 4 further includes
Second electronic scale 45, third hermetically sealed can 41 are positioned on the second electronic scale 45, in this way, can obtain third by the second electronic scale 45
The quality for the water isolated in hermetically sealed can 41, and the volume of water is calculated, when the volume of water in third hermetically sealed can 41 is located at first in advance
If when in range, then it is higher to illustrate that closed experiment bucket 21 seals tightness；When the volume of water in third hermetically sealed can 41 is less than first
When minimum value in preset range, then illustrate that closed experiment bucket 21 is poorly sealed.
Wherein, the specific value range of the first preset range is not limited, can be specifically determined according to actual conditions.
In order to examine the measurement accuracy of gas velocity measuring device 3, it is preferred that as shown in Figure 1, gas velocity measuring device 3 is also wrapped
Third electronic scale 39 is included, the first hermetically sealed can 31 is positioned on third electronic scale 39, in this way, can get the by third electronic scale 39
The quality of the water of one hermetically sealed can 31 discharge, so as to calculate the quality for the water that the first hermetically sealed can 31 is discharged, due to theoretically
The volume of water received in the water of first hermetically sealed can 31 discharge and the second hermetically sealed can 32 is equal, therefore, if passing through third electronic scale
The volume of the water of 39 the first hermetically sealed can 31 discharges obtained is received with the second hermetically sealed can 32 obtained by the first electronic scale 33
The volume of water differ, then show that the measurement result of gas velocity measuring device 3 is inaccurate.
In order to test out the critical pressure value for the gas that can be discharged by downtake pipe 24, it is preferred that feeder 1 wraps
Air compressor 11, air accumulator 12 and regulating device (not shown) are included, air compressor 11 is used for compressed air, and will pressure
Air after contracting is stored to air accumulator 12, and air accumulator 12 is connected to the first air inlet pipe 23, and regulating device is for adjusting air pressure
The power of contracting machine 11.In this way, by 11 compressed air of air compressor, and by compressed-air-storing in air accumulator 12, with reality
The caching of existing gas, in favor of improving the stability into the gas pressure of the first air inlet pipe 23, by adjusting air compressor
11 power, you can the gas pressure in air accumulator 12 is adjusted, so as to adjust the gas pressure for entering the first air inlet pipe 23,
By the ascending gradual gas pressure adjusted in air accumulator 12 of regulating device, while detecting the exhaust effect of downtake pipe 24
Rate, when the exhaust efficiency of downtake pipe 24 is not zero, then the gas pressure that current air accumulator 12 exports is critical pressure.
Wherein, the structural parameters of feeder 1 are not specifically limited, exemplary, the power of air compressor 11 is more than
Or it is equal to 5kW, capacity is greater than or equal to 10L/S, and the volume of air accumulator 12 is more than 30L, can ensure during the experiment steady
Fixed throughput, while it being capable of providing stable gas pressure, pressure limit is 0.1Mpa~0.5Mpa.
In addition, in order to obtain the supply gas pressure of feeder 1, optionally, as shown in Figure 1, being connected on air accumulator 12
One air gauge 13, the first air gauge 13 are used to detect the gas pressure in air accumulator 12, it is generally the case that the gas in air accumulator 12
Body pressure is equal with the supply gas pressure of feeder 1, in this way, being the confession that can detect that feeder 1 by the first air gauge 13
Atmospheric pressure.
In order to detect the sealing tightness of the connecting tube between feeder 1 and closed experiment bucket 21, and in order into one
Step detects the sealing tightness of closed experiment bucket 21, it is preferred that the is respectively equipped in the first air inlet pipe 23 and downtake pipe 24
Two air gauges 28 and third air gauge (not shown).When the detected value of the second air gauge 28 is located in the second preset range
When, then illustrate that the sealing tightness of the connecting tube between feeder 1 and closed experiment bucket 21 is higher；When the second air gauge 28
When detected value is less than the minimum value in the second preset range, then illustrate the connecting tube between feeder 1 and closed experiment bucket 21
It is poorly sealed；When the detected value of the second air gauge 28 is located in the second preset range, and the barometric detected value of third is located at the
When in three preset ranges, then illustrate the sealing of the connecting tube and closed experiment bucket 21 between feeder 1 and closed experiment bucket 21
Tightness is higher；When the detected value of the second air gauge 28 is located in the second preset range, and the barometric detected value of third is small
When minimum value in third preset range, then illustrate that closed experiment bucket 21 is poorly sealed.
In the above-described embodiments, the specific value range of the second preset range and third preset range is not limited, specifically
It can be determined according to actual conditions.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (10)
1. a kind of experiment porch for measuring deep-well exhaust efficiency, which is characterized in that gentle including feeder, experimental provision
Speed measuring device,
The feeder is used for output gas；
The experimental provision includes closed experiment bucket, and the coke being made of water and coke granule is accommodated in the closed experiment bucket
Mixed liquor is equipped with the first air inlet pipe vertically extended and downtake pipe, institute on the roof of the closed experiment bucket
The upper end opening for stating the first air inlet pipe is connected to the gas delivery port of the feeder, first air inlet pipe and described first
The lower end of exhaust pipe is stretched into the coke mixed liquor, and the quantity of the downtake pipe is multiple, multiple first rows
Spacing between tracheae and first air inlet pipe is different, and each downtake pipe exposes outside the closed experiment bucket
Pipeline section on be serially connected with controlled valve, the lower ending opening of first air inlet pipe and the downtake pipe is all closed, described
Venthole is offered in the bottom side of the wall of first air inlet pipe, and air admission hole is offered in the bottom side of the wall of the downtake pipe, and
First air inlet pipe and the bottom side of the wall of downtake pipe are coated with filter cloth in one week；
The gas velocity measuring device is used to measure the speed of the gas of the downtake pipe discharge.
2. experiment porch according to claim 1, which is characterized in that the gas velocity measuring device include the first hermetically sealed can,
Second hermetically sealed can and the first electronic scale,
Water is stored in first hermetically sealed can, is connected with the second air inlet pipe and drain pipe on first hermetically sealed can, described
One end of two air inlet pipe is connected to one end that the downtake pipe stretches out outside the closed experiment bucket, the other end and described first
The superjacent air space connection of water, one end of the drain pipe are immersed in the water in first hermetically sealed can in hermetically sealed can, and the other end is stretched
Go out outside first hermetically sealed can,
Second hermetically sealed can is located on first electronic scale, and inlet tube is connected on second hermetically sealed can, it is described into
One end of liquid pipe is connected to the one end stretched out on the drain pipe outside first hermetically sealed can, the other end and second hermetically sealed can
Inner space connection.
3. experiment porch according to claim 2, which is characterized in that further include gas-liquid separation device, the gas-liquid separation
Device is connected between the experimental provision and the gas velocity measuring device, for measuring institute by the gas velocity measuring device
Before the speed for stating the gas of downtake pipe discharge, the moisture in the gas of the downtake pipe discharge is isolated.
4. experiment porch according to claim 3, which is characterized in that the gas-liquid separation device includes third hermetically sealed can,
The third hermetically sealed can is connected with third air inlet pipe and second exhaust pipe, one end of the third air inlet pipe and described first
Exhaust pipe stretches out the connection of one end outside the closed experiment bucket, and the other end is connected to the third hermetically sealed can, the second exhaust
One end of pipe is connected to the upper space in the third hermetically sealed can, and the other end and second air inlet pipe stretching described first are close
One end of sealed cans is connected to.
5. experiment porch according to claim 1, which is characterized in that worn on the side wall or roof of the closed experiment bucket
There is water supply pipe, the water supply pipe exposes is serially connected with controlled valve on the pipeline section outside the closed experiment bucket.
6. experiment porch according to claim 1, which is characterized in that the quantity of the downtake pipe is two, two
Spacing between the downtake pipe and first air inlet pipe is respectively 20mm and 50mm.
7. experiment porch according to claim 4, which is characterized in that the gas-liquid separation device further includes the second electronics
Claim, the third hermetically sealed can is positioned on second electronic scale.
8. experiment porch according to claim 2, which is characterized in that the gas velocity measuring device further includes third electronics
Claim, first hermetically sealed can is positioned on the third electronic scale.
9. experiment porch according to claim 1, which is characterized in that the feeder includes air compressor, gas storage
Tank and regulating device, the air compressor is used for compressed air, and compressed air is stored to the air accumulator, institute
It states air accumulator to be connected to first air inlet pipe, the regulating device is used to adjust the power of the air compressor.
10. experiment porch according to claim 1, which is characterized in that first air inlet pipe and the downtake pipe
Inside it is equipped with air gauge.
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| CN201820086564.5U CN207964543U (en) | 2018-01-17 | 2018-01-17 | Experiment platform for measuring deep well exhaust efficiency |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600903A (en) * | 2019-09-20 | 2019-12-20 | 南方电网科学研究院有限责任公司 | Coke mixed liquid of deep well type direct current grounding electrode and filling method thereof |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600903A (en) * | 2019-09-20 | 2019-12-20 | 南方电网科学研究院有限责任公司 | Coke mixed liquid of deep well type direct current grounding electrode and filling method thereof |
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Effective date of registration: 20210609 Address after: 510700 3rd, 4th and 5th floors of building J1 and 3rd floor of building J3, No.11 Kexiang Road, Science City, Luogang District, Guangzhou City, Guangdong Province Patentee after: China South Power Grid International Co.,Ltd. Address before: 510663 3 building, 3, 4, 5 and J1 building, 11 building, No. 11, Ke Xiang Road, Luogang District Science City, Guangzhou, Guangdong. Patentee before: China South Power Grid International Co.,Ltd. Patentee before: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID |