CN106442212A - Full-automatic gas dust concentration measuring equipment - Google Patents
Full-automatic gas dust concentration measuring equipment Download PDFInfo
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- CN106442212A CN106442212A CN201611145335.8A CN201611145335A CN106442212A CN 106442212 A CN106442212 A CN 106442212A CN 201611145335 A CN201611145335 A CN 201611145335A CN 106442212 A CN106442212 A CN 106442212A
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- air inlet
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- shaped filter
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- 239000000428 dust Substances 0.000 title abstract description 26
- 238000005259 measurement Methods 0.000 claims abstract description 41
- 238000005070 sampling Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 50
- 239000000523 sample Substances 0.000 claims description 30
- 238000001914 filtration Methods 0.000 claims description 25
- 238000005303 weighing Methods 0.000 claims description 25
- 239000000843 powder Substances 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000005452 bending Methods 0.000 claims description 10
- 230000003028 elevating effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 8
- 229910052571 earthenware Inorganic materials 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000011010 flushing procedure Methods 0.000 abstract 3
- 239000007789 gas Substances 0.000 description 41
- 239000012528 membrane Substances 0.000 description 17
- 239000008187 granular material Substances 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 239000002737 fuel gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to full-automatic gas dust concentration measuring equipment. The full-automatic gas dust concentration measuring equipment comprises a sampling box, a measuring box and a control box which are connected sequentially, wherein the sampling box comprises a sampling tube; the measuring box comprises a first three-way ball valve, a second three-way ball valve, a precision flowmeter, a sealed air inlet, a sealed back flushing port, a U-shaped filter crucible, a station switching platform, an electronic balance, a negative pressure generator and a transmission device, the first three-way ball valve is connected with the sampling tube, the precision flowmeter and the negative pressure generator, and the second three-way ball valve is connected with the sealed back flushing port, the transmission device and the negative pressure generator; the sealed air inlet is connected onto the precision flowmeter; the U-shaped filter crucible is arranged at a through hole in the station switching platform which is rotated by a rotary motor; the control box comprises a PLC (programmable logic controller), a touch display screen connected with the PLC and a high pressure fan connected with the negative pressure generator. According to the full-automatic gas dust concentration measuring equipment, sampling, separation filter and dust back flushing are designed together, so that automatic measurement of dust concentration is realized.
Description
Technical field
The present invention relates to gas analyses fields of measurement, more particularly, to a kind of Full-automatic gas powder concentration measurement equipment.
Background technology
The automatic gas dust concentration instrument major part often using in the market uses laser, infrared ray etc. and is based on light
The indirect measuring technology of credit analysis, although the measurement fuel gas and dust concentration measurement of these technical methods is easy to detect quick, due to
Error is big, the poor repeatability and reason such as be easily disturbed it is impossible to be used for Accurate Analysis field.So the dust concentration standard to gas
Measurement, also rests on the mensure of the gas overall suspended pellet according to GB/T 15432-1995 national standard specified in more detail at present
Manual laboratory's analysis phase of method.But manual analyses are long for experimental period, complex operation, therefore inefficiency, are only suitable for
In supervision measurement using it is impossible to realize online, real-time, continuous and automatic fuel gas and dust measurement of concetration.Therefore city
It is badly in need of on field a meeting national standard, being capable of the powder concentration measurement equipment of on-line automatic accurate measurement.
Content of the invention
For solving existing technical problem, the invention provides a kind of Full-automatic gas powder concentration measurement equipment.
The particular content of the present invention is as follows：A kind of Full-automatic gas powder concentration measurement equipment, including taking of being sequentially connected
Sample case, measure case and control chamber,
Described sampling cabinet includes probe tube,
Described measure case include the first tee ball valve, the second tee ball valve, delicate flow meter, sealing air inlet, sealing back blow port,
U-shaped filter crucible, Switch of working position platform, electronic balance, negative pressure generator and actuating device, described first tee ball valve connects respectively
Connect probe tube, delicate flow meter and negative pressure generator, the second tee ball valve connects sealing back blow port, actuating device and negative pressure respectively
Generator；Sealing air inlet is connected on delicate flow meter；U-shaped filter crucible is arranged on the through hole of Switch of working position platform, U-shaped
The opening of filter crucible is adapted with the size of sealing air inlet and sealing back blow port, and described Switch of working position platform passes through electric rotating
Machine rotates, and so that U-shaped filter crucible is rotated to respectively below sealing air inlet, below sealing back blow port and above electronic balance；
Described control chamber includes PLC, touch display screen and high pressure positive blower, described touch display screen and PLC phase
Even, described high pressure positive blower is connected with negative pressure generator.
Wherein, probe tube is located in tested gas pipeline, is connected with the first tee ball valve by ring flange, and high pressure positive blower produces
Raw compressed air, compressed air produces larger negative pressure-pumping power by negative pressure generator, completes the suction sampling of tested gas.
First tee ball valve controls the conducting of probe tube and delicate flow meter, and tested gas, through delicate flow meter, records flow.Station
Changeable kind of station dust-filtering position of switching platform（I.e. below sealing air inlet）, blowback position（I.e. under sealing back blow port
Side）, weighing positions（I.e. above electronic balance）.Electric rotating machine drives belt pulley rotation, belt pulley and station by driving gear
Switching platform is connected, thus controlling Switch of working position platform to rotate.
Electric rotating machine rotary work station switching platform, makes U-shaped filter crucible rotate to dust-filtering position, actuating device will be U-shaped
Filter crucible is compressed with sealing air inlet upwards, and U-shaped filter crucible carries out separating and filtering to gas, and the gas after filtration separation leads to
Piping enters gas pipeline from newly, it is to avoid surrounding enviroment are impacted.
Collect the U-shaped filter membrane crucible of dust granules in tested gas, the rotation of Switch of working position platform has been driven by electric rotating machine
To weighing positions, complete the weighing of U-shaped filter membrane crucible weight by electronic balance.PLC in control chamber will be according to receipts
Weight M of U-shaped filter membrane crucible before collection dust granules thing, collect weight M of U-shaped filter membrane crucible and delicate flow after dust granules thing
Tri- data of the flow V of the tested gas of measurement amount, by formula dust concentration X=（M-M）/ V calculates tested gas automatically
Dust concentration.
The U-shaped filter membrane crucible crossed through electronic balance weighing rotates to blowback position, transmission dress by Switch of working position platform
Put and U-shaped filter crucible is compressed with sealing back blow port upwards, the dust granules blowback of collection is gone out U-shaped filter membrane crucible, purging is dry
Net U-shaped filter membrane crucible rotates to after electronic balance weighing through Switch of working position platform, re-rotates to dust-filtering position and separated
Filter new tested gas, to enter next measurement circulation.
First tee ball valve can make probe tube switch between sampling state and blowback state, and blowback probe tube can be effectively anti-
Only sampling blockage, allows equipment to run steadily in the long term.
Further, described sealing air inlet and sealing back blow port are flare design.Described U-shaped filter crucible is to increase
Bore designs, enlarged diameter, is adapted with the horn mouth size of sealing air inlet and sealing back blow port.U-shaped filter crucible adopts
Increase bore design, can significantly increase the filter area of filter membrane, reduce filtration resistance, accelerate the rate of filtration.U-shaped filter crucible
Supporting sealing air inlet and sealing back blow port all adopt horn mouth to design, be easy to seal with the connection of U-shaped filter crucible.
Further, described probe tube includes downward opening bending section and is connected to the horizontal part at bending section rear, water
Flat portion is around having heaters.Tested gas by heater cincture heating, can allow tested gas keep higher temperature in probe tube,
Avoid tested gas to condense in low temperature, lead to sampling pipe blocking and impact certainty of measurement.The first threeway can be switched simultaneously
The state of ball valve, makes probe tube switch between sampling state and blowback state, and blowback probe tube can effectively prevent from sampling pipe plug
Plug, allows equipment to run steadily in the long term.The bending section concrete structure of probe tube is a downward opening semi-circular shape, and horizontal part connects
Rear in bending section.
Further, described U-shaped filter crucible has 3, and Switch of working position platform has been evenly arranged 3 through holes, U-shaped filtration
Crucible is arranged in through-holes.3 U-shaped filter crucibles can be made to be circulated measurement successively under the rotation of Switch of working position platform, carry
High measurement efficiency.
Further, described actuating device is located at below Switch of working position platform, including bottom fixed installation platform, Guiding machine
Structure, air inlet push rod, elevating screw, blowback push rod and lifting motor, lifting motor is arranged on below bottom fixed installation platform, leads
It is arranged on above bottom fixed installation platform to mechanism, guiding mechanism is connected with air inlet push rod, elevating screw and blowback push rod, enters
Pneumatic jack bar is connected with the second tee ball valve.Elevating screw is started by lifting motor；Air inlet push rod and blowback push rod top all set
There is the platform for the U-shaped filter crucible of support, the position of platform is below Switch of working position platform.Air inlet push rod is located at dust-filtering
Position, that is, seal the underface of air inlet, and blowback push rod is located at blowback position, that is, seal the underface of back blow port.In Switch of working position
When U-shaped filter crucible is rotated to dust-filtering position and blowback position by platform, air inlet push rod and blowback push rod pass through elevating screw
Move up, U-shaped filter crucible falls on platform, then be pressed into sealing air inlet and sealing back blow port, filter and blowback terminates
Air inlet top bar and blowback push rod move still further below afterwards, so that U-shaped filter crucible is come back in through hole, carry out next step operation.Enter
Pneumatic jack bar is connected with the second tee ball valve, can by filter after compressed air again pass through seal back blow port blowout, complete blowback,
The function of U-shaped filter crucible clear dirt purging.Platform push rod, platform push rod and guiding mechanism phase are set below Switch of working position platform
Even, guiding mechanism ensures that Switch of working position platform moves up and down.
Further, described electronic balance is located at below Switch of working position platform, and electronic balance central authorities are provided with bar of weighing, described
Bar of weighing is located at immediately below through hole.The weigh top of bar is provided with one for accepting the platform of U-shaped filter crucible, U-shaped weighing
During the weight of filter crucible, electric rotating machine controls the rotation of Switch of working position platform, and U-shaped filter crucible rotates to above electronic balance,
Lifting motor passes downwardly through screw rod transmission makes Switch of working position platform move downward, and allows U-shaped filter crucible entirely fall within masthead of weighing
On the platform at end, complete the weighing measurement of U-shaped filter crucible.
Further, described PLC data-interface is connected by data cable with the data-interface of electronic balance；I/
O Interface is connected with lifting motor, electric rotating machine, the first tee ball valve and the second tee ball valve.PLC is accurately read
Take the weighing data of electronic balance and be sent to control data；And complete the elevating control of lifting motor, electric rotating machine
The functions such as Spin Control, the state reading of the first tee ball valve, the state control of the second tee ball valve and various position-sensing switch.
Further, described Switch of working position platform is provided with photoswitch.Can be positioned exactly by photoswitch, make U
Type filter crucible can rotate to the position of corresponding station exactly.
Beneficial effects of the present invention：The present invention has taken into full account the present situation of current fuel gas and dust concentration measurement equipment, will accord with
Close the artificial experimental analysiss automatization of powder concentration measurement of GB, intellectuality, design a can be automatically by gas
Minute dusts particulate matter is separated and collected by Special filtering membrane, then by the weight of electronic balance weighing dust granules thing and
Accurate gas flowmeter calculates the total flow of intake-gas.Designed sampling technique, separating and filtering technology, powder by modular
Equipment together, is automatically performed gas sample, filtration in conjunction with PLC control program by the rational design such as dirt blowback draining technology
The functions such as separation, Switch of working position, weighing measurement, blowback ash discharge are successfully realized fuel gas and dust measurement of concetration automatization, onlineization
And real time implementation.Have the advantages that certainty of measurement is high, not affected by environment.There is provided energy reliable for accurately measuring fuel gas and dust concentration
Technology ensures.
Brief description
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is further elucidated with.
Fig. 1 is the Full-automatic gas powder concentration measurement equipment overall schematic of the present invention；
Fig. 2 is air inlet and the back-blowing mechanism schematic diagram of the present invention；
Fig. 3 is the Switch of working position schematic diagram of the present invention；
Fig. 4 is the electronic balance schematic diagram of the present invention.
Specific embodiment
In conjunction with Fig. 1-Fig. 4, a kind of Full-automatic gas powder concentration measurement equipment of the present invention is as follows：A kind of Full-automatic gas
Powder concentration measurement equipment, including the sampling cabinet 100 being sequentially connected, measure case 200 and control chamber 300,
Sampling cabinet 100 includes probe tube 101,
Measure case 200 include the first tee ball valve 201, the second tee ball valve 210, delicate flow meter 202, sealing air inlet 203,
Sealing back blow port 205, U-shaped filter crucible 206, Switch of working position platform 207, electronic balance 210, negative pressure generator 208 and transmission
Device, the first tee ball valve 201 connects probe tube 101, delicate flow meter 202 and negative pressure generator 208, the second three-way ball respectively
Valve 210 connects sealing back blow port 205, actuating device and negative pressure generator 208 respectively；Sealing air inlet 203 is connected to accurate stream
On gauge 202；U-shaped filter crucible 206 is arranged on the through hole of Switch of working position platform 207, the opening of U-shaped filter crucible 206 with
The size of sealing air inlet 203 and sealing back blow port 205 is adapted, and Switch of working position platform 207 is rotated by electric rotating machine 212,
U-shaped filter crucible 206 is made to rotate to respectively on sealing air inlet 203 lower section, sealing back blow port 205 lower section and electronic balance 210
Side；
Control chamber 300 includes PLC, touch display screen 301 and high pressure positive blower 302, and touch display screen 301 is controlled with PLC
Device is connected, and high pressure positive blower 302 is connected with negative pressure generator 208.
Wherein, probe tube 101 is located in tested gas pipeline, is connected with the first tee ball valve 201 by ring flange, high pressure
Blower fan 302 produces compressed air, and compressed air produces larger negative pressure-pumping power by negative pressure generator 208, completes tested gas
The suction sampling of body.First tee ball valve 201 controls the conducting of probe tube 101 and delicate flow meter 202, and tested gas is through essence
Close effusion meter 202, records flow.The changeable 3 kinds of station dust-filtering positions of Switch of working position platform 207（Seal air inlet
Below 203）, blowback position（I.e. below sealing back blow port 205）, weighing positions（I.e. above electronic balance 210）.Electric rotating machine
212 drive belt pulley 219 to rotate by driving gear 204, and belt pulley 219 is connected with Switch of working position platform 207, thus controlling work
Position switching platform 207 rotates.
Electric rotating machine 212 rotary work station switching platform 207, makes U-shaped filter crucible 206 rotate to dust-filtering position, transmission
U-shaped filter crucible 206 is compressed by device upwards with sealing air inlet 203, and U-shaped filter crucible 206 carries out separating and filtering to gas,
Gas after filtration separation enters gas pipeline by pipeline from newly, it is to avoid surrounding enviroment are impacted.
Collect the U-shaped filter membrane crucible of dust granules in tested gas, Switch of working position platform has been driven by electric rotating machine 212
207 rotate to weighing positions, complete the weighing of U-shaped filter membrane crucible weight by electronic balance 210.PLC control in control chamber 300
Device processed by according to collect dust granules thing before U-shaped filter membrane crucible weight M1, collect dust granules thing after U-shaped filter membrane crucible weight
Tri- data of flow V1 of the tested gas of amount M2 and delicate flow meter 202 measurement, by formula dust concentration X=（M2-M1）/
V1 calculates the dust concentration of tested gas automatically.
Through electronic balance 210 weighed U-shaped filter membrane crucible, blowback position is rotated to by Switch of working position platform 207,
U-shaped filter crucible 206 is compressed by actuating device upwards with sealing back blow port 205, and the dust granules blowback of collection is gone out U-shaped filter membrane
Crucible, purges clean U-shaped filter membrane crucible and rotates to after electronic balance 210 weighing through Switch of working position platform 207, re-rotate to
The new tested gas of dust-filtering position separating and filtering, to enter next measurement circulation.
First tee ball valve 201 can make probe tube 101 switch between sampling state and blowback state, blowback probe tube
101 can effectively prevent probe tube 101 from blocking, and allow equipment to run steadily in the long term.
Further, sealing air inlet 203 and sealing back blow port 205 are flare design.U-shaped filter crucible 206 is to add
Heavy caliber designs, enlarged diameter, is adapted with the horn mouth size of sealing air inlet 203 and sealing back blow port 205.U-shaped filtration
Crucible 206, using increasing bore design, can increase the filter area of filter membrane significantly, reduces filtration resistance, accelerates the rate of filtration.
The supporting sealing air inlet 203 of U-shaped filter crucible 206 and sealing back blow port 205 all adopt horn mouth to design, and are easy to and U-shaped mistake
The connection sealing of filter crucible 206.
Further, probe tube 101 includes downward opening bending section and is connected to the horizontal part at bending section rear, level
Portion is around having heaters 102.Tested gas in probe tube 101 by heater 102 around heating, tested gas can be allowed to keep relatively
High-temperature, it is to avoid tested gas condenses in low temperature, leads to the blocking of probe tube 101 road and impact certainty of measurement.Can cut simultaneously
Change the state of the first tee ball valve 201, so that probe tube 101 is switched between sampling state and blowback state, blowback probe tube 101
Can effectively prevent probe tube 101 from blocking, allow equipment to run steadily in the long term.The bending section concrete structure of probe tube 101 is one and opens
The semi-circular shape of mouth down, horizontal part is connected on the rear of bending section.
Further, U-shaped filter crucible 206 has 3, and Switch of working position platform 207 has been evenly arranged 3 through holes, U-shaped mistake
Filter crucible 206 is arranged in through-holes.3 U-shaped filter crucibles 206 can be made to carry out successively under the rotation of Switch of working position platform 207
Circulation measurement, improves measurement efficiency.
Further, actuating device is located at below Switch of working position platform 207, fixedly mounts platform 216, guiding including bottom
Mechanism 218, air inlet push rod 213, elevating screw 214, blowback push rod 217 and lifting motor 215, lifting motor 215 is arranged on bottom
Below portion's fixed installation platform 216, guiding mechanism 218 is arranged on above bottom fixed installation platform 216, guiding mechanism 218 with
Air inlet push rod 213, elevating screw 214 are connected with blowback push rod 217, and air inlet push rod 213 is connected with the second tee ball valve 210.Rise
Fall screw mandrel 214 is started by lifting motor 215；Air inlet push rod 213 and blowback push rod 217 top are designed with mistake U-shaped for support
The platform of filter crucible 206, the position of platform is below Switch of working position platform 207.Air inlet push rod 213 is located at dust-filtering position, that is,
The underface of sealing air inlet 203, blowback push rod 217 is located at blowback position, that is, seal the underface of back blow port 205.In station
When U-shaped filter crucible 206 is rotated to dust-filtering position and blowback position by switching platform 207, air inlet push rod 213 and blowback push rod
217 are moved up by elevating screw 214, and U-shaped filter crucible 206 falls on platform, then are pressed into sealing air inlet 203 and close
Envelope back blow port 205, filters and blowback terminates rear air inlet top bar 213 and blowback push rod 217 moves still further below, makes U-shaped filter crucible
206 come back in through hole, carry out next step operation.Air inlet push rod 213 is connected with the second tee ball valve 210, can will filter
Compressed air afterwards is passed through sealing back blow port 205 again and is blown out, and completes blowback, the function of U-shaped filter crucible 206 clear dirt purging.Work
Position switching platform 207 lower section setting platform push rod, platform push rod is connected with guiding mechanism 218, and guiding mechanism 218 ensures that station is cut
Change platform 207 to move up and down.
Further, electronic balance 210 is located at below Switch of working position platform 207, and electronic balance 210 central authorities are provided with bar of weighing
209, bar 209 of weighing is located at immediately below through hole.The weigh top of bar 209 is provided with one for accepting the platform of U-shaped filter crucible,
When weighing the weight of U-shaped filter crucible, electric rotating machine 212 controls Switch of working position platform 207 to rotate, U-shaped filter crucible rotation
Go to above electronic balance 210, lifting motor 215 passes downwardly through screw rod transmission makes Switch of working position platform 207 move downward, allow U
Type filter crucible 206 entirely falls within the platform on bar 209 top of weighing, and completes the weighing measurement of U-shaped filter crucible 206.
Further, PLC data-interface is connected by data cable with the data-interface of electronic balance 210；I/O
Interface is connected with lifting motor, electric rotating machine 212, the first tee ball valve 201 and the second tee ball valve 210.Enable PLC
Enough accurately read the weighing data of electronic balance 210 and be sent to control data；And complete the lifting control of lifting motor 215
System, the Spin Control of electric rotating machine 212, the first tee ball valve 201, the state of the second tee ball valve 210 control and various positioning
The functions such as the state reading of switch.
Further, Switch of working position platform 207 is provided with photoswitch.Can be positioned exactly by photoswitch, make U-shaped
Filter crucible 206 can rotate to the position of corresponding station exactly.
Elaborate a lot of details in order to fully understand the present invention in the above description.But above description is only
Presently preferred embodiments of the present invention, the present invention can be much to implement different from alternate manner described here, therefore originally
Invention is not embodied as being limited by disclosed above.Any those skilled in the art are without departing from the technology of the present invention simultaneously
In the case of aspects, all can be utilized the methods and techniques content of the disclosure above that technical solution of the present invention is made many possible
Change and modify, or the Equivalent embodiments being revised as equivalent variations.Every content without departing from technical solution of the present invention, according to this
The technical spirit of invention, to any simple modification made for any of the above embodiments, equivalent variations and modification, all still falls within skill of the present invention
In the range of the protection of art scheme.
Claims (8)
1. a kind of Full-automatic gas powder concentration measurement equipment, including the sampling cabinet being sequentially connected, measure case and control chamber, it is special
Levy and be：Described sampling cabinet includes probe tube, and described measure case includes the first tee ball valve, the second tee ball valve, delicate flow
Meter, sealing air inlet, sealing back blow port, U-shaped filter crucible, Switch of working position platform, electronic balance, negative pressure generator and transmission dress
Put, described first tee ball valve connects probe tube, delicate flow meter and negative pressure generator respectively, the second tee ball valve connects respectively
Sealing back blow port, actuating device and negative pressure generator；Sealing air inlet is connected on delicate flow meter；U-shaped filter crucible setting
On the through hole of Switch of working position platform, the opening of U-shaped filter crucible is adapted with the size of sealing air inlet and sealing back blow port,
Described Switch of working position platform is rotated by electric rotating machine, so that U-shaped filter crucible is rotated to below sealing air inlet respectively, seal instead
Below mouthpiece and above electronic balance；Described control chamber includes PLC, touch display screen and high pressure positive blower, described touch
Display screen is connected with PLC, and described high pressure positive blower is connected with negative pressure generator.
2. Full-automatic gas powder concentration measurement equipment according to claim 1 it is characterised in that：Described sealing air inlet
It is flare design with sealing back blow port.
3. Full-automatic gas powder concentration measurement equipment according to claim 1 it is characterised in that：Described probe tube includes
Downward opening bending section and the horizontal part being connected to bending section rear, horizontal part is around having heaters.
4. Full-automatic gas powder concentration measurement equipment according to claim 1 it is characterised in that：Described U-shaped filtration earthenware
Crucible has 3, and Switch of working position platform has been evenly arranged 3 through holes, and U-shaped filter crucible is arranged in through-holes.
5. Full-automatic gas powder concentration measurement equipment according to claim 4 it is characterised in that：Described actuating device position
Below Switch of working position platform, including bottom fixed installation platform, guiding mechanism, air inlet push rod, elevating screw, blowback push rod and
Lifting motor, lifting motor is arranged on below bottom fixed installation platform, and guiding mechanism is arranged on bottom fixed installation platform
Side, guiding mechanism is connected with air inlet push rod, elevating screw and blowback push rod, and air inlet push rod is connected with the second tee ball valve.
6. Full-automatic gas powder concentration measurement equipment according to claim 4 it is characterised in that：Described electronic balance position
Below Switch of working position platform, electronic balance central authorities are provided with bar of weighing, and described bar of weighing is located at immediately below through hole.
7. Full-automatic gas powder concentration measurement equipment according to claim 1 it is characterised in that：Described PLC
Data-interface is connected by data cable with the data-interface of electronic balance；I/O interface and lifting motor, electric rotating machine, the one or three
Pass ball valve and the second tee ball valve are connected.
8. Full-automatic gas powder concentration measurement equipment according to claim 1 it is characterised in that：Described Switch of working position is put down
Platform is provided with photoswitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611145335.8A CN106442212A (en) | 2016-12-13 | 2016-12-13 | Full-automatic gas dust concentration measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611145335.8A CN106442212A (en) | 2016-12-13 | 2016-12-13 | Full-automatic gas dust concentration measuring equipment |
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| CN106442212A true CN106442212A (en) | 2017-02-22 |
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ID=58217907
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611145335.8A Pending CN106442212A (en) | 2016-12-13 | 2016-12-13 | Full-automatic gas dust concentration measuring equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107192628A (en) * | 2017-06-12 | 2017-09-22 | 河南科技学院 | Crop growth environment dust investigating |
| CN107941556A (en) * | 2017-11-24 | 2018-04-20 | 无锡南理工新能源电动车科技发展有限公司 | A kind of high-efficiency aerobic probe tube protective device |
| CN108426817A (en) * | 2018-05-08 | 2018-08-21 | 宁夏锦汇源化工有限公司 | The system and method for continuous detection gas concentration under high concentrate dust environment |
| CN110006603A (en) * | 2019-04-18 | 2019-07-12 | 北京机械设备研究所 | A kind of sealing propertytest automation equipment and method |
| CN114608903A (en) * | 2022-03-10 | 2022-06-10 | 安徽理工大学 | Intelligent dust collecting and analyzing device with filter membrane structure |
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| CN114608903B (en) * | 2022-03-10 | 2023-01-31 | 安徽理工大学 | Intelligent dust collection and analysis device with filter membrane structure |
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