CN109550582A - A kind of gas controlling device and a kind of Mill Systems - Google Patents
A kind of gas controlling device and a kind of Mill Systems Download PDFInfo
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- CN109550582A CN109550582A CN201811650193.XA CN201811650193A CN109550582A CN 109550582 A CN109550582 A CN 109550582A CN 201811650193 A CN201811650193 A CN 201811650193A CN 109550582 A CN109550582 A CN 109550582A
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- 230000007246 mechanism Effects 0.000 claims abstract description 103
- 238000005070 sampling Methods 0.000 claims abstract description 87
- 238000010926 purge Methods 0.000 claims abstract description 81
- 239000000523 sample Substances 0.000 claims abstract description 81
- 238000001514 detection method Methods 0.000 claims abstract description 43
- 230000002000 scavenging effect Effects 0.000 claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 11
- 230000003139 buffering effect Effects 0.000 claims description 73
- 238000011109 contamination Methods 0.000 claims description 33
- 239000003245 coal Substances 0.000 claims description 29
- 238000001816 cooling Methods 0.000 claims description 26
- 239000010865 sewage Substances 0.000 claims description 21
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 238000012806 monitoring device Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 13
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 238000005259 measurement Methods 0.000 description 11
- 108010063955 thrombin receptor peptide (42-47) Proteins 0.000 description 7
- 238000007664 blowing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000000429 assembly Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 3
- 239000000872 buffer Substances 0.000 description 3
- 239000003250 coal slurry Substances 0.000 description 3
- 235000013312 flour Nutrition 0.000 description 3
- 238000013021 overheating Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 244000144985 peep Species 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/04—Safety devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0029—Cleaning of the detector
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (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 present invention relates to a kind of gas controlling devices and a kind of Mill Systems, belong to gas monitoring techniques field, gas controlling device includes sampling probe and sampling line, gas detection module and selection valve mechanism are provided on sampling line, selecting valve mechanism includes three ports, first port and second port are arranged on sampling line, gas controlling device further includes scavenging pipeline and purging module, purge one end of the gas output end connection scavenging pipeline of module, the third port of the other end connection selection valve mechanism of scavenging pipeline, it is connected to by the first port of control selections valve mechanism with the selection of second port, realize gas detection module to the gas componant and/or Concentration Testing in sampling probe；It is connected to by the second port of control selections valve mechanism with the selection of third port, reaches the gas for purging module generation in sampling line via scavenging pipeline, acted on by the purging of high pressure gas, avoid the obstruction of sampling probe and sampling line.
Description
Technical field
The invention belongs to gas monitoring techniques fields, and in particular to a kind of gas controlling device and a kind of Mill Systems.
Background technique
Application publication number is that the Chinese invention patent application of CN108421631A discloses a kind of solid fuel process safety
Protection system is provided with carbonomonoxide concentration sensor in the material conveying pipe of flour mill.Under normal circumstances, in flour mill
Somewhere be arranged sampling probe, from sampling probe draw sampling line, pass through gas detection equipment detect sampling line in gas
Bulk concentration.But since there are the larger temperature difference inside and outside flour mill, while the dust concentration for the generation that is milled is higher, therefore, is sampling
Liquid water is easy to produce in sampling probe in the process, and then blocks sampling probe or subsequent sampling line, causes detection not
Smoothly, or even conduit failure is caused.
Summary of the invention
The object of the present invention is to provide a kind of gas controlling devices and a kind of Mill Systems, for solving existing gas inspection
Measurement equipment is easy to produce liquid water in sampling process in sampling probe, and then blocks sampling probe or subsequent probe tube
Road causes to detect ill problem.
In order to solve the above technical problems, the present invention proposes that a kind of gas controlling device, including sampling probe take with this is connected to
The sampling line of sample probe, is provided with gas detection module on sampling line, selector valve door machine is provided on the sampling line
Structure, the selection valve mechanism include three ports, and first port and second port are arranged on sampling line, and described second
Port is laid between the sampling probe and the first port, and the gas controlling device further includes scavenging pipeline and purging
Module, the gas output end of the purging module are connected to one end of the scavenging pipeline, the other end connection of the scavenging pipeline
The third port of the selection valve mechanism, the selection valve mechanism can be realized first port and the selection of second port connects
Logical or second port is connected to the selection of third port.
Gas controlling device of the invention is connected by the selection of the first port and second port of control selections valve mechanism
It is logical, realize gas detection module to the gas concentration and/or composition detection in sampling probe；Pass through control selections valve mechanism
Second port is connected to the selection of third port, reaches the gas for purging module generation in sampling line via scavenging pipeline,
By purging effect of the high pressure gas in sampling line, enters high pressure gas in sampling probe, sampling probe is carried out
High-pressure blowing gets rid of the sundries in sampling probe, avoids the obstruction of sampling probe and the obstruction of sampling line, effective guarantee
Going on smoothly for gas componant and/or Concentration Testing, improves the working efficiency of gas controlling device.
Meanwhile the present invention also proposes a kind of Mill Systems, including coal pulverizer and above-mentioned gas monitoring device, for detecting
Gas componant or concentration in coal pulverizer.Above-mentioned gas monitoring device is applied to Mill Systems by the present invention, due to coal pulverizer
In carbon monoxide be also required to detect, and the gas detection equipment of existing coal pulverizer in sampling process equally can generate sampling visit
It is easy to produce liquid water in head, and then blocks sampling probe or subsequent sampling line, to cause to detect ill ask
Topic, therefore, to solve this problem, Mill Systems of the invention realize in coal pulverizer by using above-mentioned gas monitoring device
Gas componant and/or Concentration Testing, effectively increase the working efficiency of gas detection.
To filter out the dust in sampling line, on the sampling line between the selection valve mechanism and gas detection module
It is provided with a buffering dedusting mechanism or at least two buffering dedusting mechanisms that set gradually, each lower end for buffering dedusting mechanism
It is provided with the pollution discharge structure for the sewage that condensation generates to be discharged.
Preferably, the pollution discharge structure includes blowoff line, and each buffering dedusting mechanism is connected to blowdown by sewage draining exit
Pipeline is provided with sewage draining valve on the blowoff line, by blowoff line by by the dust of each buffering dedusting mechanism dredge to
Fixed location controls the discharge of the dust of each buffering dedusting mechanism by the sewage draining valve on blowoff line.Or the row
Dirty structure is only sewage draining exit, reaches blowdown purpose, without blow-off line and sewage draining valve is arranged.
Preferably, two buffering dedusting mechanisms are set on the sampling line, and the gas controlling device further includes removing contamination
Pipeline, one end of the pipeline of removing contamination by tee tube be connected to the first buffering dedusting mechanism and the second buffering dedusting mechanism it
Between.For the pipeline of removing contamination for the purge gas that circulates, purge gas blows to the first buffering dedusting mechanism by tee tube shunting respectively
With the second buffering dedusting mechanism, the dust of purging is discharged by pollution discharge structure.
For convenience of the flow direction of control purge gas, choosing of removing contamination is provided between the tee tube and the second buffering dedusting mechanism
Valve to be selected, is removed contamination when valve being selected to open, purge gas blows to the first buffering dedusting mechanism and the second buffering dedusting mechanism respectively,
It removes contamination when valve being selected to close, purge gas blows to the first buffering dedusting mechanism.
Further, the other end of the pipeline of removing contamination is connected to the gas output end of the purging module, by purging mould
Block generates the purge gas for blowing to the first buffering dedusting mechanism and the second buffering dedusting mechanism.Alternatively, the pipeline of removing contamination is another
One end is directly connected to high-pressure air source, without being connected to the gas output end of purging module.
For convenience of the sample temperature degree on monitoring sampling line, the gas controlling device further includes control module, Yi Jiyong
In the temperature detecting module of detection first port output sample temperature degree, the control module sampling connects the temperature detection mould
Block.
For the automatic control for realizing selection valve mechanism, further, the controller control connects the selection valve
Mechanism, this selects valve mechanism for three-way magnetic valve, and the automatic control of selection valve mechanism is realized by controller.
When gas controlling device is not provided with above-mentioned buffering dedusting mechanism, the gas controlling device further includes that helical form is cold
Solidifying water trap, the lower end of the helical form condensate drain trap are connected to sampling line, the upper end of the helical form condensate drain trap
It is connected to the test side of the gas detection module, which is used to exclude the moisture in air flue.
When above-mentioned buffering dedusting mechanism is arranged in gas controlling device, the selection valve mechanism and gas concentration detect mould
At least two buffering dedusting mechanisms set gradually are provided on sampling line between block, wherein the selection valve mechanism
First buffering dedusting mechanism is connected, the gas controlling device further includes helical form condensate drain trap, the helical form condensation
The lower end of water trap is connected to the upper end of the last one buffering dedusting mechanism, and the upper end of the helical form condensate drain trap is connected to institute
The test side of gas detection module is stated, which is used to exclude the moisture in air flue.
In addition, offering sample gas outlet on the last one described buffering dedusting mechanism, the sample gas outlet is connected to sample
Gas discharge line is provided with sample gas discharge valve on the sample gas discharge line.After gas detection module detection, pass through
The sample gas discharge valve on sample gas discharge line is controlled, sample gas is completely exhausted out, is ready for next sample gas detection.
Further, the gas controlling device further includes cooling selection three-way valve, cooling to select the first of three-way valve
Port is purge gas air inlet, and the gas input of the purging module is arranged in the second port of cooling selection three-way valve
The third port at place, cooling selection three-way valve is connected to the helical form condensate drain trap by cooling line.When selection is connected to
When the first port and second port of cooling selection three-way valve, enter purge gas from the gas input of purging module,
Realize the purging effect of purging；When the first port and third port of selection connection three-way valve, purge gas is made to enter spiral shell
Shape condensate drain trap is revolved, realizes the purging cooling of test sample gas to be checked.
Detailed description of the invention
Fig. 1 is a kind of gas controlling device schematic diagram of the invention；
Fig. 2 is the gas purge schematic diagram of gas controlling device of the invention；
Fig. 3 is the overheating protection process schematic of gas controlling device of the invention；
Fig. 4 is the process schematic of removing contamination of gas controlling device of the invention；
Label declaration in attached drawing is as follows:
1-sampling probe, the 2-the first buffering dedusting mechanism, the 3-the second buffering dedusting mechanism, 4-gas detection modules,
5-purging modules, 6-helical form condensate drain traps, 7-temperature detecting modules, 8-duff pipes, 9-scavenging pipelines, 10-is clear
Dirty pipeline, 11-blowoff lines, 12-coal pulverizers, SV1-, which removes contamination, selects valve, and SV2-removes contamination valve, SV3-cooling selection
Three-way valve, first port, second port, the third port of 31,32,33-cooling selection three-way valves, SV4-sample gas discharge
Valve, SV5-sewage draining valve, SV6-three-way magnetic valve, first port, the second port, of 61,62,63-three-way magnetic valves
Three ports, SV7-purging valve, 201-sewage draining exits, 301-sewage draining exits.
Specific embodiment
The present invention proposes a kind of gas controlling device, and the gas componant detection being not only suitable in coal pulverizer is also applied for grinding
Gas concentration detection in powder machine.Below for detecting the gas concentration in coal pulverizer, in conjunction with attached drawing to of the invention specific
Embodiment is further described.
Gas controlling device as shown in Figure 1, including the sampling probe 1 for extracting sample gas in coal pulverizer 12, connection is taken
The gas detection module 4 being arranged on the sampling line and sampling line of sample probe 1.It is sintered that sampling probe 1 is built-in with two-stage
Filter prevents from entering dust in sampling probe 1.Three-way magnetic valve SV6 is provided on sampling line, three-way magnetic valve SV6 includes
Three ports, wherein the first port 61 and second port 62 of three-way magnetic valve SV6 is arranged on sampling line, and second end
Mouth 62 is arranged close to sampling probe 1.Gas controlling device further includes scavenging pipeline 9 and purging module 5, purges the gas of module 5
Output end is connected to one end of scavenging pipeline 9, the third port 63 of the other end connection three-way magnetic valve SV6 of scavenging pipeline 9.
The choosing that gas controlling device of the invention passes through the first port 61 and second port 62 of control three-way magnetic valve SV6
Connection is selected, realizes that gas detection module 4 detects the gas concentration of sample gas, by the second port for controlling three-way magnetic valve SV6
62 are connected to the selection of third port 63, and the high pressure gas for purging the generation of module 5 is made to reach sampling line via scavenging pipeline 9
In, it is acted on by purging of the high pressure gas in sampling line, avoids the obstruction of sampling probe 1 and the obstruction of sampling line,
The detection of effective guarantee gas concentration is gone on smoothly, and improves the working efficiency of gas controlling device.
In Fig. 1, to filter out the dust in sampling line, taking between the three-way magnetic valve SV6 and gas detection module
It is arranged on sample pipeline there are two the buffering dedusting mechanism set gradually, the respectively first buffering dedusting mechanism 2 and the second buffering are removed
Dirt mechanism 3, the lower end for respectively buffering dedusting mechanism (2,3) are provided with the pollution discharge structure of the sewage for condensation generation to be discharged, the row
Dirty structure includes blowoff line 11, respectively buffers dedusting mechanism (2,3) by sewage draining exit (201,301) and is connected to blowoff line
11, sewage draining valve SV5 is provided on blowoff line 11, and the sewage draining valve SV5 passed through on blowoff line 11 controls each buffering dedusting
The discharge of dust and condensed water (or coal slurry of dust and condensed water formation) in mechanism (2,3), will be each slow by blowoff line 11
The dust and condensed water (or coal slurry of dust and condensed water formation) for rushing dedusting mechanism (2,3) are expelled to fixed location, such as arrange
Out into the duff pipe 8 of coal pulverizer 12.
As other embodiments, the pollution discharge structure for respectively buffering the lower end setting of dedusting mechanism (2,3) is only sewage draining exit
(201,301) reach blowdown purpose, without blow-off line 11 and sewage draining valve SV5 is arranged.
Gas controlling device further includes pipeline 10 of removing contamination, and the one end for pipeline 10 of removing contamination is connected to by tee tube in the first buffering
Between dedusting mechanism 2 and the second buffering 3 mechanism of dedusting, for the pipeline of removing contamination for the purge gas that circulates, purge gas passes through threeway
Pipe shunting blows to the first buffering dedusting mechanism 2 and the second buffering dedusting mechanism 3 respectively, by the dust of purging and condensed water (or coal
The coal slurry that powder and condensed water are formed) it is discharged by pollution discharge structure.
For convenience of the flow direction of control purge gas, it is provided with and removes contamination between above-mentioned tee tube and the second buffering dedusting mechanism 3
Valve SV1 is selected, is removed contamination when valve SV1 being selected to open, purge gas blows to the first buffering dedusting mechanism 2 and the second buffering respectively
Dedusting mechanism 3, remove contamination select valve SV1 close when, purge gas blows to the first buffering dedusting mechanism 2.
The other end of pipeline 10 of removing contamination be connected to the gas output end of purging module 5, is generated by purging module and is blowed to the
The purge gas of one buffering dedusting mechanism 2 and the second buffering dedusting mechanism 3.As other embodiments, the another of pipeline 10 of removing contamination
One end is directly connected to high-pressure air source, without being connected to the gas output end of purging module 5.
For convenience of the control of scavenging pipeline 9 and pipeline 10 of removing contamination, purging valve SV7 is provided on scavenging pipeline 9 (for pulse
Valve), it is provided with the valve SV2 that removes contamination on pipeline 10 of removing contamination (for pulse valve).
For convenience of the sample temperature degree on monitoring sampling line, gas controlling device further includes control module, and control module is adopted
Sample is connected with temperature detecting module 7, and temperature detecting module 7 is used to detect the sample that the first port 61 of three-way magnetic valve SV6 exports
Temperature degree.
Controller control connection three-way magnetic valve SV6 in the present embodiment, to realize the automatic control of three-way magnetic valve SV6
System, as other embodiments, three-way magnetic valve SV6 can be replaced using other selection valve mechanisms, such as non-automatic control
Three-way valve, only by manually controlling three ports of three-way valve, equally can be realized three energizations without being controlled with controller
The function of magnet valve SV6.
To exclude the moisture in gas, gas controlling device further includes helical form condensate drain trap 6, helical form condensed water outlet
The lower end of device 6 is connected to the upper end of the second buffering dedusting mechanism 3, and the upper end of helical form condensate drain trap 6 is connected to gas detection mould
The test side of block 4.
Sample gas outlet is offered on second buffering dedusting mechanism 3, sample gas outlet is connected to sample gas discharge line, sample gas row
Outlet pipe road is provided with sample gas discharge valve SV4, after gas detection module 4 detects, by controlling sample gas discharge line
On sample gas discharge valve SV4, sample gas is completely exhausted out, is ready for next sample gas detection.
In Fig. 1, gas controlling device further includes cooling selection three-way valve SV3, cooling to select the first of three-way valve SV3
Port 31 is purge gas air inlet, and the gas that purging module 5 is arranged in the second port 32 of cooling selection three-way valve SV3 is defeated
Enter at end, the third port 33 of cooling selection three-way valve SV3 is connected to helical form condensate drain trap 6 by cooling line.It is elected
When selecting the first port 31 and second port 32 of the cooling selection three-way valve SV3 of connection, make purge gas from the gas of purging module 5
Body input terminal enters, and realizes the purging effect of purging；When the first port 31 and third port 33 of selection connection three-way valve SV3
When, so that purge gas is entered helical form condensate drain trap 6, realizes the purging cooling of test sample gas to be checked.
Gas controlling device of the invention not only has the function of gas concentration measurement, also has gas purging, overheating protection
And decontamination function.
As shown in Figure 1, the gas concentration measurement process of gas controlling device is as follows:
Since coal pulverizer internal pressure is greater than atmospheric pressure, the sample gas containing coal dust inside coal pulverizer inside coal pulverizer it is micro- just
Enter sampling probe 1 under the action of pressure, enters sampling line after the two-stage sintered filter filtering inside sampled probe 1, by
In coal pulverizer internal high temperature, sample gas can be condensed into water after entering sampling line, therefore increase buffering in the minimum position of pipeline and remove
Dirt mechanism, buffering dedusting mechanism 3 including the first buffering dedusting mechanism 2 and second, (quantity of buffering dedusting mechanism can also basis
Concrete condition setting), each dedusting mechanism bottom that buffers is provided with sewage draining exit (201,301), needs to inspect periodically buffering dust removal machine
Structure simultaneously discharges water.Sample gas by helical form condensate drain trap 6 enter gas detection module 4 sample tap measure, sample gas according to
Arrow direction circulation in Fig. 1, after measurement, sample gas is dirty along pipeline with the condensed water in helical form condensate drain trap 6
To the second buffering dedusting mechanism 3, atmosphere is discharged into using sample gas discharge line and sample gas discharge valve SV4.
The measured value of detection is passed through quad and RS485 signal is used to be transferred to host computer by gas detection module 4, on
The measured value and given threshold that position machine is detected according to gas detection module 4 are compared, and judge whether the measured value exceeds setting
Threshold value issues alarm signal if exceeding.
It is carried out between gas concentration measurement in gas controlling device, needs to carry out gas to sampling line and sampling probe to blow
It sweeps, as shown in Fig. 2, the gas purge of gas controlling device are as follows:
Purge time default first, when default purge time starts, the valve SV2 that removes contamination is closed, cooling selection triple valve
Door 31 mouthfuls of first port of SV3 is connected to 32 mouthfuls of second port, the second port 62 of three-way magnetic valve SV6 and 63 mouthfuls of third port
Connection, purging valve SV7 are opened, and purge gas carries out pulsed purging according to the arrow direction in Fig. 2, presets purge time knot
Gas controlling device then carries out gas concentration measurement after beam.
When the temperature that controller is detected by temperature detecting module 7 is lower than setting lower limit temperature, sampling pipe is determined
Blocking carries out gas purging to sampling line and sampling probe again according to above-mentioned gas purge.Default purge time knot
Shu Hou issues alarm signal extremely if controller still is below setting lower limit temperature by the temperature that temperature detecting module 7 detects
DCS (Distributed Control System, dcs) informs that operations staff needs to carry out sampling probe
Depth cleaning.
As shown in figure 3, the overheating protection process of gas controlling device is as follows:
When summer, environment temperature was high, need to cool down in entrance gas controlling device, cooling selection three-way valve
The first port 31 of SV3 is connected to third port 33, and purge gas is persistently blown according to the arrow direction in Fig. 3 by cooling line
Enter helical form condensate drain trap 6, realizes that the temperature in gas controlling device is constant.When controller is examined by temperature detecting module 7
When the temperature measured is higher than setting ceiling temperature, closing, which is removed contamination, selects valve SV1, and the gas concentration for stopping gas controlling device being surveyed
Amount, solenoid valve SV1 are in off state stopping measurement, increase the air-blowing quantity of purge gas in cooling line, dense until meeting gas
The beginning condition of measurement is spent, gas controlling device can just carry out gas concentration measurement.The beginning condition of gas concentration measurement can
To be arranged according to specific needs, a kind of beginning condition of gas concentration measurement are as follows: the temperature in detection helical form condensate drain trap
It is less than or waits set temperatures.
As shown in figure 4, the process of removing contamination of gas controlling device is as follows:
Gas controlling device is after running for a period of time inside two buffering dedusting mechanisms there are dust accumulation and water (i.e. coal slime),
It opens sewage draining valve SV5 and the valve SV2 that removes contamination, closes sample gas discharge valve SV4 and purging valve SV7, close three-way magnetic valve
The first port 31 of the second port 62 and third port 63 of SV6, cooling selection three-way valve SV3 is connected to second port 32,
Purge gas buffers the coal slime in dedusting mechanism 2 and the second buffering dedusting mechanism 3 according to the arrow direction purging first in Fig. 4,
Coal slime is expelled in duff pipe 8 by blowoff line 11, also, poor due to existing between the outlet of coal pulverizer 12 and duff pipe 8
Pressure, more conducively discharge coal slime.Meanwhile it being equipped with peep hole on two buffering filters, when observing that first is slow by peep hole
When rushing that the purging of dedusting mechanism 2 is not clean, the second buffering dedusting mechanism 3 purges clean, valve SV1 is selected to realize by closing to remove contamination
The independent purging function of first buffering dedusting mechanism 2.
Gas controlling device in compared with the prior art, gas controlling device of the invention have the advantages that
A. since there are the larger temperature difference inside and outside coal pulverizer, while the dust concentration that coal-grinding generates is higher, in the prior art
Gas controlling device is easy to produce liquid water in sampling process, blocks sampling line, and sampling pump is easy to damage.And it of the invention borrows
It helps the positive pressure inside coal pulverizer as sampling power, no longer setting sampling pump, reduces product cost.
B. gas controlling device in the prior art filters out coal dust using multi-stage filter formula filter assemblies, due to coal powder density
Higher, filter core service life is shorter, needs largely to replace the filter core of filer element type filter assemblies, and maintenance is inconvenient, and operating cost is high.
And gas controlling device of the invention is without filer element type filter assemblies, by way of two filters and two buffering dedusting mechanisms
Reach preferable dust removing effects.
C. the present invention exports the temperature of sample gas by the first port that installation temperature detecting module detects three-way magnetic valve, sentences
Whether disconnected sampling line blocks, and the gas that gas controlling device is opened when sampling pipe blocking purges function.
D. it is connected by the pipeline of the duff pipe of the sewage draining exit and coal pulverizer of buffering dedusting mechanism, utilizes high-pressure air source pulse
Purging makes the coal slime retained inside gas controlling device return to the coal chute of coal pulverizer, reduces maintenance workload.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.For example, the temperature detecting module of the present embodiment selects larger temperature detection
The model of the temperature sensor of range, temperature sensor can be selected in the market.The gas detection module of the present embodiment
It can be selected according to specific gas detection demand, such as only need detection gas ingredient, select a detection gas ingredient
Sensor such as needs to detect the concentration of certain gas as gas detection module, selects the concentration sensor for being directed to certain gas.
For another example, this implementation removes the dust in sample gas by setting buffering dedusting mechanism, as other embodiments, this reality
The gas controlling device for applying example can be not provided with buffering dedusting mechanism, when being not provided with buffering dedusting mechanism, to exclude in gas
Moisture, the lower end of helical form condensate drain trap is connected to sampling line, the upper end connection gas inspection of helical form condensate drain trap
Survey the test side of module.
For another example, the purging module of the present embodiment can be purger, such as hair dryer or gas pump, for generating height
It calms the anger body.If what is inputted from the first port 31 of cooling selection three-way valve SV3 is originally high pressure gas, the purging of the present embodiment
Module can also be a high pressure gas input port or an impulse blowing device (for example, a kind of arteries and veins of model TNP01
Rush blow device), external high pressure gas is laggard by the pulse control of the high pressure gas input port or impulse blowing device
Enter scavenging pipeline.
For another example, the present embodiment can use the buffering dedusting mechanism of model GLHC1000, can also use other models,
The quantity of dedusting mechanism is buffered either one, is also possible to two or more, buffering dust removal machine is arranged according to specific demand
The quantity of structure.
For another example, the valve SV2 and purging valve SV7 that removes contamination of the present embodiment is pulse valve, can according to need and is selected
Pulse valve model, such as TMF-Z-20.
It is only relative concept or with product each other it should be noted that the positional terms such as upper end, lower end in the present invention
Normal operating condition be reference, and should not be regarded as restrictive.
Claims (10)
1. a kind of gas controlling device is arranged on sampling line including sampling probe and the sampling line for being connected to the sampling probe
There is gas detection module, which is characterized in that selection valve mechanism, the selection valve mechanism packet are provided on the sampling line
Three ports are included, first port and second port are arranged on sampling line, and the second port is laid in the sampling and visits
Between head and the first port, the gas controlling device further includes scavenging pipeline and purges module, the purging module
Gas output end is connected to one end of the scavenging pipeline, and the other end of the scavenging pipeline connects the of the selection valve mechanism
Three ports, the selection valve mechanism can be realized first port and be connected to the selection of second port or second port and third
The selection of port is connected to.
2. gas controlling device according to claim 1, which is characterized in that the selection valve mechanism and gas detection mould
A buffering dedusting mechanism or at least two buffering dedusting mechanisms that set gradually are provided on sampling line between block, respectively
The lower end of buffering dedusting mechanism is provided with the pollution discharge structure for the sewage that condensation generates to be discharged, and the pollution discharge structure is blowdown
Mouthful.
3. gas controlling device according to claim 1, which is characterized in that the gas controlling device further includes control mould
Block and the temperature detecting module that sample temperature degree is exported for detecting first port, the control module are separately connected temperature detection
Module and the selection valve mechanism, it is described to select valve mechanism for three-way magnetic valve.
4. gas controlling device according to claim 1, which is characterized in that the gas controlling device further includes helical form
The lower end of condensate drain trap, the helical form condensate drain trap is connected to sampling line, the helical form condensate drain trap it is upper
End is connected to the test side of the gas detection module.
5. gas controlling device according to claim 2, which is characterized in that the selection valve mechanism and gas concentration are examined
At least two buffering dedusting mechanisms set gradually are provided on the sampling line surveyed between module, wherein the selection valve
Mechanism connects first buffering dedusting mechanism, and the gas controlling device further includes helical form condensate drain trap, the helical form
The lower end of condensate drain trap is connected to the upper end of the last one buffering dedusting mechanism, and the upper end of the helical form condensate drain trap connects
Lead to the test side of the gas detection module.
6. gas controlling device according to claim 4 or 5, which is characterized in that the gas controlling device further includes cold
But three-way valve is selected, cooling selects the first port of three-way valve for purge gas air inlet, cooling selection three-way valve
Second port is arranged at the gas input of the purging module, and the third port of cooling selection three-way valve passes through cooling tube
Road is connected to the helical form condensate drain trap.
7. gas controlling device according to claim 5, which is characterized in that opened on the last one described buffering dedusting mechanism
Equipped with sample gas outlet, the sample gas outlet is connected to sample gas discharge line, and sample gas row is provided on the sample gas discharge line
Valve out.
8. gas controlling device according to claim 2, which is characterized in that two bufferings are arranged on the sampling line and remove
Dirt mechanism, the gas controlling device further include removing contamination pipeline and to remove contamination and select valve, and one end of the pipeline of removing contamination passes through three
Siphunculus connection is between the first buffering dedusting mechanism and the second buffering dedusting mechanism, the other end for pipeline of removing contamination and the purging mould
The gas output end of block is connected to, and described remove contamination selects valve connection between the tee tube and the second buffering dedusting mechanism.
9. gas controlling device according to claim 2, which is characterized in that the pollution discharge structure includes blowoff line, respectively
Buffering dedusting mechanism is connected to blowoff line by sewage draining exit, is provided with sewage draining valve on the blowoff line.
10. a kind of Mill Systems, including coal pulverizer, which is characterized in that further include such as the described in any item gas of claim 1-9
Body monitoring device, the gas controlling device are used to detect the gas componant or concentration in the coal pulverizer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811650193.XA CN109550582B (en) | 2018-12-31 | 2018-12-31 | Gas monitoring device and coal mill system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650193.XA CN109550582B (en) | 2018-12-31 | 2018-12-31 | Gas monitoring device and coal mill system |
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| CN109550582A true CN109550582A (en) | 2019-04-02 |
| CN109550582B CN109550582B (en) | 2023-10-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967173A (en) * | 2019-05-15 | 2019-07-05 | 常州励岸宝机械设备科技有限公司 | A kind of high-efficiency sand grinder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102998233A (en) * | 2012-11-22 | 2013-03-27 | 中国石油大学(北京) | Device and method suitable for online testing of particulate matters in high-pressure gas pipeline |
| CN203385599U (en) * | 2013-08-12 | 2014-01-08 | 西克麦哈克（北京）仪器有限公司 | Gas analysis system for high-dust and high-water-content sample gas environment |
| CN203785943U (en) * | 2014-02-18 | 2014-08-20 | 南京市锅炉压力容器检验研究院 | Dedusting device of gas analyzer |
| CN204287172U (en) * | 2014-08-26 | 2015-04-22 | 中国石油化工股份有限公司 | The explosion-proof monitoring device of pulverized coal preparation system inflammable gas |
| CN206440492U (en) * | 2016-12-30 | 2017-08-25 | 拜城县众泰煤焦化有限公司 | A kind of sampling tube device for being used to measure tank level |
| CN209549690U (en) * | 2018-12-31 | 2019-10-29 | 光力科技股份有限公司 | Gas controlling device and Mill Systems |
-
2018
- 2018-12-31 CN CN201811650193.XA patent/CN109550582B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102998233A (en) * | 2012-11-22 | 2013-03-27 | 中国石油大学(北京) | Device and method suitable for online testing of particulate matters in high-pressure gas pipeline |
| CN203385599U (en) * | 2013-08-12 | 2014-01-08 | 西克麦哈克（北京）仪器有限公司 | Gas analysis system for high-dust and high-water-content sample gas environment |
| CN203785943U (en) * | 2014-02-18 | 2014-08-20 | 南京市锅炉压力容器检验研究院 | Dedusting device of gas analyzer |
| CN204287172U (en) * | 2014-08-26 | 2015-04-22 | 中国石油化工股份有限公司 | The explosion-proof monitoring device of pulverized coal preparation system inflammable gas |
| CN206440492U (en) * | 2016-12-30 | 2017-08-25 | 拜城县众泰煤焦化有限公司 | A kind of sampling tube device for being used to measure tank level |
| CN209549690U (en) * | 2018-12-31 | 2019-10-29 | 光力科技股份有限公司 | Gas controlling device and Mill Systems |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967173A (en) * | 2019-05-15 | 2019-07-05 | 常州励岸宝机械设备科技有限公司 | A kind of high-efficiency sand grinder |
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| Publication number | Publication date |
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| CN109550582B (en) | 2023-10-10 |
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