CN207096272U - A kind of anti-blocking resistant wear wind speed and wind system for measuring quantity - Google Patents
A kind of anti-blocking resistant wear wind speed and wind system for measuring quantity Download PDFInfo
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- CN207096272U CN207096272U CN201720862752.8U CN201720862752U CN207096272U CN 207096272 U CN207096272 U CN 207096272U CN 201720862752 U CN201720862752 U CN 201720862752U CN 207096272 U CN207096272 U CN 207096272U
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- wind speed
- pipe
- measuring quantity
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Abstract
The utility model discloses a kind of anti-blocking resistant wear wind speed and wind system for measuring quantity, including the sampler being arranged on airduct, the output end of the sampler is connected with intelligent blow device, the output end of the intelligent blow device is connected with differential pressure transmitter, and the output end of the differential pressure transmitter is connected with DCS monitoring main frames.The utility model measurement apparatus small volume, anti-wear performance are strong, long lifespan, and easy for installation, wide adaptability, operating cost is low, can realize automatic blowing, save manpower.
Description
Technical field
It the utility model is related to a kind of anti-blocking resistant wear wind speed and wind system for measuring quantity.
Background technology
The differential pressure (wind speed or air quantity) containing dusty gas is measured, key issue is exactly that sampler is blocked by dust, and is made
Instrument can not normal operation, this to safety in production and measurement accuracy it is very unfavorable.Secondly the measurement containing dusty gas is easily right
Sampler causes to wear so that the routine sampling device life-span maintains 3~5 months or so.
Domestic many station boilers at present, one Secondary Air air quantity and dust air measuring typically use traditional wing
Type wind measuring device, venturi wind measuring device or bar class wind measuring device.However, due to space limitation, system residing for pulverized coal preparation system arrangement
The hot cold air duct of powder system (or load wind, bypass wind pipeline) is without enough the location of straight lengths, wind measuring device, its gas
Flow unstable, flow field cold-hot condition difference is big, and the flow field difference of difference operating mode is also big when hot, and then have influence on hot cold wind (or
Load wind, bypass wind) measurement accuracy；In addition for measurement First air and powder wind processed, because First air and powder wind processed are all
Dust-containing air stream, its dust only import but no export of the wind measuring device of the above-mentioned type, easily causes blocking, measuring cell blockage problem is all the time
It is unresolved so that thermal technology's maintenance workload is big, and the wind measuring device pressure loss is also larger, considerably increase operation into
This.
For the above situation, some power stations often use blow device, and manually controlled valve is controlled Purge methods entirely
Purge time, purging interval, person works' amount is big, and needs to safeguard often.
Utility model content
The purpose of the utility model is that a kind of anti-blocking resistant wear wind speed and wind measurement system is provided the defects of presence for prior art
System.
The utility model to achieve the above object, adopts the following technical scheme that：A kind of anti-blocking resistant wear wind speed and wind measurement system
System, including the sampler being arranged on airduct, the output end of the sampler are connected with intelligent blow device, the intelligence
The output end of blow device is connected with differential pressure transmitter, and the output end of the differential pressure transmitter is connected with DCS monitoring main frames.
Further, the sampler is anti-blockage wear-resistant backing tube, and the anti-blockage wear-resistant backing tube includes malleation
Pressure pipe and negative pressure pressure pipe, the input of the malleation pressure pipe and negative pressure pressure pipe are inserted in the airduct and passed through respectively
Flange is fixedly connected with the airduct.
Further, the intelligent blow device includes the first scavenging conduit and the second scavenging conduit；First scavenging conduit
Input is connected with the output end of the malleation pressure pipe, and its output end is connected with the input of the differential pressure transmitter；It is described
The input of second scavenging conduit is connected with the output end of the negative pressure pressure pipe, its output end and the input of the differential pressure transmitter
End connection；The both ends of first scavenging conduit and the second scavenging conduit are respectively arranged with magnetic valve, the output end of the magnetic valve with
The programmable logic controller (PLC) connection, the programmable logic controller (PLC) output end are connected with operating display.
Further, it is provided with deashing rod in the malleation pressure pipe and negative pressure pressure pipe.
Further, the rear end side of the malleation pressure pipe and negative pressure pressure pipe be respectively arranged with the first two filter chambers and
The second two filter chambers, the first two filter chambers include the first protruded tube of the setting tilted down, the second two filter chambers
Including the second protruded tube of the setting tilted down；The upper side of first protruded tube is provided with the first impulse joint, described
The upper side of second protruded tube is provided with the second impulse joint, the input of the first impulse joint and first scavenging conduit
Connection, the second impulse joint are connected with the input of second scavenging conduit.
Further, the end of first protruded tube and the second protruded tube is provided with ash discharging hole and dismountable cover plate.
Further, the malleation pressure pipe and negative pressure pressure pipe are made of high-strength alloy, its outer surface suit
There are 1850 DEG C of sintered wear-resistant sleeve pipes.
Further, it is provided with refractory seals packing ring between the flange and airduct.
Further, manual switching button is provided with the programmable logic controller (PLC).
The beneficial effects of the utility model：The utility model measurement apparatus small volume, anti-wear performance are strong, long lifespan, installation
Convenient, wide adaptability, operating cost is low, can realize automatic blowing, saves manpower.
Brief description of the drawings
Fig. 1 is the utility model purpose structural representation.
Embodiment
Shown in Fig. 1, it is related to a kind of anti-blocking resistant wear wind speed and wind system for measuring quantity, including the sampler being arranged on airduct 1,
The output end of the sampler is connected with intelligent blow device, output end and the differential pressure transmitter 2 of the intelligent blow device
Connection, the output end of the differential pressure transmitter 2 are connected with DCS monitoring main frames 3.
Further scheme is, the sampler is anti-blockage wear-resistant backing tube, the anti-blockage wear-resistant backing tube bag
Malleation pressure pipe 8 and negative pressure pressure pipe 9 are included, the input of the malleation pressure pipe 8 and negative pressure pressure pipe 9 inserts the wind respectively
It is fixedly connected in pipe 1 and by flange 10 with the airduct 1.
Further scheme is that the intelligent blow device includes the first scavenging conduit 42 and the second scavenging conduit 41；Described
The input of one scavenging conduit 42 is connected with the output end of the malleation pressure pipe 8, and its output end is defeated with the differential pressure transmitter 2
Enter end connection；The input of second scavenging conduit 41 is connected with the output end of the negative pressure pressure pipe 9, its output end with it is described
The input connection of differential pressure transmitter 2；The both ends of the scavenging conduit 41 of first scavenging conduit 42 and second are respectively arranged with magnetic valve
5, the output end of the magnetic valve 5 is connected with the programmable logic controller (PLC) 6, the output end of programmable logic controller (PLC) 6
It is connected with operating display 7.
Further scheme is to be provided with deashing rod 11 in the malleation pressure pipe 8 and negative pressure pressure pipe 9.In pipeline
Bonding phenomenon is easily caused when wind powder mixture washes away, causes the blocking of sampler, deashing rod 11 is carried out under the impact of air-flow
Random swing, by rapping such situation can be avoided to occur.
Further scheme is that the rear end side of the malleation pressure pipe 8 and negative pressure pressure pipe 9 is respectively arranged with the one or two
Secondary filter chamber and the second two filter chambers, the first two filter chambers include the first protruded tube 122 of the setting tilted down, and described the
Two or two filter chambers include the second protruded tube 121 of the setting tilted down；The upper side of first protruded tube 122 is provided with
One impulse joint 132, the upper side of second protruded tube 121 are provided with the second impulse joint 131, the first impulse joint
132 are connected with the input of first scavenging conduit 42, the input of the second impulse joint 131 and second scavenging conduit 41
End connection.
Further scheme is, the end of the protruded tube 121 of the first protruded tube 122 and second be provided with ash discharging hole and
Dismountable cover plate.Powder in pipeline can be deposited on the end of protruded tube, and powder can be discharged by periodically opening cover plate.
Further scheme is that the malleation pressure pipe 8 and negative pressure pressure pipe 9 are made of high-strength alloy, outside it
Surface is set with 1850 DEG C of sintered wear-resistant sleeve pipes.Using pressure pipe energy significant surface made of high-strength alloy in coal pulverizer pipeline
The media such as wind coal dust wash away, and greatly prolong its service life.
Further scheme is to be provided with refractory seals packing ring (not shown) between the flange 10 and airduct 1.
Further scheme is to be provided with manual switching button 15 on the programmable logic controller (PLC) 6.Personnel safeguard pipe
When road checks, manual switching button 15 can be pressed manually operate and purged in real time.
In use, setting can be adjusted to programmable logic controller according to power plant's actual dust concentration, pass through operation
Display screen sets purge time and purging interval, and scavenging conduit can be voluntarily to required blowing pipeline, without personnel according to setting program
Online controlled valve is operated.
Under usual state, magnetic valve is opened, and wind speed air quantity is monitored.During purging, monitoring main frame side is closed
Magnetic valve, purging work is carried out to collecting.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (9)
1. a kind of anti-blocking resistant wear wind speed and wind system for measuring quantity, it is characterised in that described including the sampler being arranged on airduct
The output end of sampler is connected with intelligent blow device, and the output end of the intelligent blow device is connected with differential pressure transmitter,
The output end of the differential pressure transmitter is connected with DCS monitoring main frames.
2. a kind of anti-blocking resistant wear wind speed and wind system for measuring quantity as claimed in claim 1, it is characterised in that the sampler is
Anti-blockage wear-resistant backing tube, the anti-blockage wear-resistant backing tube include malleation pressure pipe and negative pressure pressure pipe, the malleation pressure
The input of pipe and negative pressure pressure pipe is inserted in the airduct and is fixedly connected by flange with the airduct respectively.
A kind of 3. anti-blocking resistant wear wind speed and wind system for measuring quantity as claimed in claim 2, it is characterised in that the intelligence purging dress
Put including the first scavenging conduit and the second scavenging conduit；The output end of the input of first scavenging conduit and the malleation pressure pipe connects
Connect, its output end is connected with the input of the differential pressure transmitter；The input of second scavenging conduit and the negative pressure pressure
The output end connection of pipe, its output end are connected with the input of the differential pressure transmitter；First scavenging conduit and the second purging
The both ends of pipe are respectively arranged with magnetic valve, and the output end of the magnetic valve is connected with programmable logic controller (PLC), described programmable
Logic controller output end is connected with operating display.
A kind of 4. anti-blocking resistant wear wind speed and wind system for measuring quantity as claimed in claim 3, it is characterised in that the malleation pressure pipe
With deashing rod is provided with negative pressure pressure pipe.
A kind of 5. anti-blocking resistant wear wind speed and wind system for measuring quantity as claimed in claim 4, it is characterised in that the malleation pressure pipe
The first two filter chambers and the second two filter chambers are respectively arranged with the rear end side of negative pressure pressure pipe, the first two filter chamber bags
Include the first protruded tube of the setting tilted down, the second two filter chambers include the second protruded tube of the setting tilted down；
The upper side of first protruded tube is provided with the first impulse joint, and the upper side of second protruded tube is provided with the second impulse
Joint, the first impulse joint are connected with the input of first scavenging conduit, the second impulse joint and described second
The input connection of scavenging conduit.
A kind of 6. anti-blocking resistant wear wind speed and wind system for measuring quantity as claimed in claim 5, it is characterised in that first protruded tube
Ash discharging hole and dismountable cover plate are provided with the end of the second protruded tube.
A kind of 7. anti-blocking resistant wear wind speed and wind system for measuring quantity according to claim 2, it is characterised in that：The malleation pressure
Pipe and negative pressure pressure pipe are made of high-strength alloy, and its outer surface is set with 1850 DEG C of sintered wear-resistant sleeve pipes.
A kind of 8. anti-blocking resistant wear wind speed and wind system for measuring quantity according to claim 2, it is characterised in that：The flange and wind
Refractory seals packing ring is provided between pipe.
A kind of 9. anti-blocking resistant wear wind speed and wind system for measuring quantity according to claim 3, it is characterised in that：Described may be programmed is patrolled
Collect and be provided with manual switching button on controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720862752.8U CN207096272U (en) | 2017-06-27 | 2017-06-27 | A kind of anti-blocking resistant wear wind speed and wind system for measuring quantity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720862752.8U CN207096272U (en) | 2017-06-27 | 2017-06-27 | A kind of anti-blocking resistant wear wind speed and wind system for measuring quantity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207096272U true CN207096272U (en) | 2018-03-13 |
Family
ID=61544945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720862752.8U Expired - Fee Related CN207096272U (en) | 2017-06-27 | 2017-06-27 | A kind of anti-blocking resistant wear wind speed and wind system for measuring quantity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207096272U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702942A (en) * | 2019-10-10 | 2020-01-17 | 南京益彩环境科技股份有限公司 | Positive-pressure continuous self-compensation blowing type anti-blocking wind speed and wind volume measuring method |
| CN111076861A (en) * | 2020-01-07 | 2020-04-28 | 江苏凯弘节能环保科技有限公司 | Anti-blocking five-group valve and control method thereof |
| CZ309111B6 (en) * | 2020-12-15 | 2022-02-02 | Akademie múzických umění v Praze | A device for measuring the speed of air flow from the gap of the lip organ pipe |
-
2017
- 2017-06-27 CN CN201720862752.8U patent/CN207096272U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702942A (en) * | 2019-10-10 | 2020-01-17 | 南京益彩环境科技股份有限公司 | Positive-pressure continuous self-compensation blowing type anti-blocking wind speed and wind volume measuring method |
| CN110702942B (en) * | 2019-10-10 | 2021-09-07 | 南京益彩环境科技股份有限公司 | Positive-pressure continuous self-compensation blowing type anti-blocking wind speed and wind volume measuring method |
| CN111076861A (en) * | 2020-01-07 | 2020-04-28 | 江苏凯弘节能环保科技有限公司 | Anti-blocking five-group valve and control method thereof |
| CN111076861B (en) * | 2020-01-07 | 2021-10-08 | 江苏凯弘节能环保科技有限公司 | Anti-blocking five-group valve and control method thereof |
| CZ309111B6 (en) * | 2020-12-15 | 2022-02-02 | Akademie múzických umění v Praze | A device for measuring the speed of air flow from the gap of the lip organ pipe |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 Termination date: 20190627 |
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| CF01 | Termination of patent right due to non-payment of annual fee |