CN209311263U - A kind of boiler slag phosphorus content on-line monitoring system - Google Patents
A kind of boiler slag phosphorus content on-line monitoring system Download PDFInfo
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- CN209311263U CN209311263U CN201821885352.XU CN201821885352U CN209311263U CN 209311263 U CN209311263 U CN 209311263U CN 201821885352 U CN201821885352 U CN 201821885352U CN 209311263 U CN209311263 U CN 209311263U
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Abstract
A kind of boiler slag phosphorus content on-line monitoring system is related to measuring the device of boiler fly ash carbon content.Clinker can be taken out automatically by increasing clinker probe tube, bulky grain clinker can be converted to short grained clinker using the eccentric stiffener of clinker milling device, the contact area of mill wheel and shell is increased using eccentric structure, so that milling efficiency is more preferable, slag amount needed for meeting analysis test apparatus can be directly exported using dosing device, improve the efficiency of feed.After each device is used cooperatively in the system, automatic real-time detection is realized, hysteresis quality is small, has saved a large amount of human cost, substantially increases the detection efficiency and accuracy of phosphorus content.
Description
Technical field
The utility model relates to measure the device of boiler fly ash carbon content, in particular to a kind of boiler slag phosphorus content is online
Monitoring system.
Background technique
Coal-powder boiler is not appropriate for north of china in winter heating use since its evaporation capacity is big, temperature is higher.The north heating mainly with
Based on chain furnace, to determine whether mode chain furnace combustion is complete, needs to detect boiler slag carbon content, for example, using publication number
It is entitled " a kind of boiler fly ash ignition carbon measuring device " for CN101694447.Although the device can realize the survey to carbon content
Amount, but since the slag granules in chain furnace are larger, to be measured by above equipment, it is necessary to first rely on and be accomplished manually just
Phase sampling and the processing to sample.In addition to this, the chemical burns weight-loss method of off-line type, online microwave carbon determination can also be used
Method etc. detects boiler slag phosphorus content.Boiler slag carbon content is detected using the chemical burns weight-loss method of off-line type, can guarantee to measure
As a result accurate, measurement method is simple and easy, and equipment is easy maintenance, but manually participation amount is big, time-consuming for detection, nothing for this method
Method realizes the quick and on-line checking of boiler slag carbon content, and the hysteresis quality of measurement result is big, so that adjustment pot in time can not be played
Furnace operating parameter achievees the purpose that improve boiler combustion efficiency.Online microwave carbon determination method passes through detection microwave power loss
It is horizontal to obtain corresponding boiler slag carbon content, although this method detection fast speed, measurement accuracy are higher, microwave energy loss
The uniformity of problem and clinker density affects the accuracy of boiler slag carbon content testing result.
Summary of the invention
In view of the deficienciess of the prior art, the purpose of the utility model is to provide a kind of boiler slag phosphorus content to supervise online
Examining system.
The technical scheme adopted by the utility model is a kind of boiler slag phosphorus content on-line monitoring system, including analysis
Test device, which is characterized in that further include clinker probe tube, clinker milling device and dosing device, clinker probe tube one
End is plugged in clinker down-comer, and the other end is connect with the clinker entrance of clinker milling device, the ground-slag mouth of clinker milling device
It is connect with the powder inlet of dosing device, the quantitative mouth of dosing device and the input port of analysis test apparatus connect.
In above scheme, the clinker probe tube, shell and setting including having recrement outlet and slag outlet exist
The second shaft shell intracorporal first rotating shaft connecting with flap and connect with lower turnover panel, recrement outlet are located at the side of shell
Wall, slag outlet are located at shell end and are located at recrement outlet downstream, and flap rotation under first rotating shaft drive goes out recrement
Mouth opening and closing of fault, lower turnover panel rotates under the drive of the second shaft makes slag outlet close or open.
In above scheme, the air-cooled or water cooling wrap for cooling down high temperature furnace slag is equipped with outside clinker probe tube.
In above scheme, the shell of the clinker milling device is interior to be equipped with protrusion, and wheel of milling is located at shell and protrusion
Between in the cavity that is formed and be socketed in protrusion, and convex to form eccentric structure, enter in the bottom for wheel of milling equipped with compressed air
Mouthful, it is equipped with the ground-slag mouth connecting with dosing device in the upper housing.
In above scheme, sieve is additionally provided at the ground-slag mouth of the clinker milling device.
In above scheme, powder outlet, the quantitative chamber company of meal outlet and quantitative body are equipped at the top of the dosing device
Logical, quantitative body is equipped with the notch cooperated with upper flashboard and lower flashboard, and L-shaped upper flashboard and lower flashboard are plugged in notch can
Pull L shape short side mobile, upper flashboard and lower flashboard are divided into the opposite two sides of quantitative body and quantitative chamber are separated into three spaces,
The end of upper flashboard and lower flashboard is respectively equipped with gap, gap be connected to quantitative chamber to be formed the first quantitative mouth passed through for clinker and
Second quantitative mouth, the second quantitative mouth are located at below the first quantitative mouth and are divided on the opposite face of quantitative cavity wall.
The beneficial effects of the utility model are: the boiler slag phosphorus content on-line monitoring system, by increasing clinker sampling
Pipe can automatically take out clinker, and bulky grain clinker can be converted to short grained furnace using the eccentric stiffener of clinker milling device
Slag increases the contact area of mill wheel and shell using eccentric structure, so that milling efficiency is more preferable, using dosing device
Slag amount needed for meeting analysis test apparatus can be directly exported, the efficiency of feed is improved.Each device cooperation makes in the system
With rear, automatic real-time detection is realized, hysteresis quality is small, has saved a large amount of human cost, substantially increases the detection of phosphorus content
Efficiency and accuracy.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is boiler slag phosphorus content on-line monitoring system general structure schematic diagram in the utility model embodiment；
Fig. 2 is cinder sampling apparatus structural schematic diagram in the utility model embodiment；
Fig. 3 is clinker downcomer structure schematic diagram in the utility model embodiment；(a) furnace is not entered for cinder sampling apparatus
The structural schematic diagram of slag down-comer；(b) enter the structural schematic diagram after clinker down-comer for cinder sampling apparatus；
Fig. 4 is dosing device structural schematic diagram in the utility model embodiment；
Number explanation is as follows in figure: 1 clinker probe tube, 11 clinker entrances, 12 shafts, 13 flaps, 14 slag outlets, 15
Lower turnover panel, 16 shafts, the outlet of 17 recrements, 18 shells, 2 clinker milling devices, 21 clinker entrances, 22 are milled wheel, 23 compressed airs
Entrance, 24 protrusions, 25 shells, 26 ground-slag mouths, 3 dosing devices, 31 powder outlets, 32 powder inlets, 33 quantitative bodies, 34 quantify
Chamber, 35 gap, 36 lower flashboards, 37 gap, 38 upper flashboards, 4 analysis test apparatus, 5 clinker down-comers, 51 shafts, 52 turnover panels, 6
Vibrator.
Specific embodiment
Keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing 1~Fig. 4
The utility model is described in further detail with specific embodiment.
Boiler slag phosphorus content on-line monitoring system provided in this embodiment, comprising:
Clinker probe tube 1, for being sampled to clinker, completion to be sampled and after cooling down, the clinker in probe tube is relied on
Self gravitation effect enters milling device；
Clinker milling device 2, for milling to clinker, through milling, it is fixed that satisfactory slag specimen is entered by sieve
Measure charging gear；
Dosing device 3 is used for dosing, ensures that inlet amount meets test request by way of constant volume；
Analysis test apparatus 4, for analyzing boiler slag carbon content, using high temperature sintering principle, by before and after calcination
Mass loss calculate boiler slag carbon content.
The clinker entrance 11 of clinker probe tube 1 in the present embodiment is plugged on the clinker sample tap (clinker of clinker down-comer 5
Aperture is as clinker sample tap on down-comer 5), the turnover panel 52 with shaft 51, shaft are equipped in the entry position of clinker down-comer 5
51 are fixedly connected on 5 inner wall of clinker down-comer, and turnover panel 52 can be such that the entrance of clinker down-comer 5 closes.Clinker probe tube 1 is entering
Contacting when clinker down-comer 5 with turnover panel 52 is flipped up turnover panel 52, the clinker entrance 11 and clinker down-comer of clinker probe tube 1
5 entrance connection, clinker can enter clinker probe tube 1 by clinker down-comer 5 at this time.When boiler operatiopn and after start deslagging,
Clinker probe tube 1 starts to sample.Sampling period is adjustable, most short up to 1 hour.When sampling, at pneumatic actuator (such as cylinder)
Lower clinker probe tube 1 is driven to enter clinker down-comer 5 and intercept clinker, intercepted clinker enters by self gravitation effect
Clinker probe tube 1.Residence time of the clinker probe tube 1 in clinker down-comer 5 is by software control.Reach the setting residence time
Afterwards, clinker probe tube 1 exits clinker down-comer 5 under pneumatic actuator drive.Turnover panel 52 after clinker probe tube 1 exits,
It is sealed by self gravity.
Clinker probe tube 1 in the present embodiment including the shell 18 with recrement outlet 17 and slag outlet 14 and is arranged
The shaft 12 connecting with flap 13 in shell 18 and the shaft 16 connecting with lower turnover panel 15, shaft 12 and rotary cylinder connect
It connects, shaft 16 is connect with another swing clamp cylinder.Recrement outlet 14 is located at the side wall of shell 18 and is square, and slag outlet 14
In 18 end of shell and it is located at 17 downstreams of recrement outlet.When starting clinker sampling, lower turnover panel 15 is closed under the drive of shaft 16
Clinker probe tube 1 starts slag collection.After reaching target sampling amount, flap 13 is closed, and clinker probe tube 1 is managed interior extra
Clinker from recrement outlet 17 discharge.After sampling, lower turnover panel 15 is opened, and the clinker of acquisition relies in clinker probe tube 1
Self gravitation effect falls into clinker milling device 2.
The temperature of clinker in the downcomer is relatively high, and temperature when falling into clinker probe tube 1 is also relatively high, improper direct
It mills, thus the present embodiment does one layer of air-cooled or water cooling wrap outside clinker probe tube 1, for cooling down high temperature furnace
Slag.
The slag outlet of clinker probe tube 1 is connect with the clinker entrance 21 of clinker milling device.The shell of clinker milling device 2
Cylindrical protrusions 24 are equipped in body 25, wheel 22 of milling is socketed in the cavity in protrusion 24 and being located between protrusion 24 and shell 25
It is interior.Shell 25 is connected to motor, and vibrates under motor drive, and wheel 22 of milling is in eccentric pendulum with protrusion 24 under motor drive
It is dynamic.The clinker fallen into is milled into fine particle.It is equipped with compressed air inlet 23 in the bottom for wheel 22 of milling, cyclone separator
Delivery outlet is connected to compressed air inlet 23, gas needed for providing pneumatic conveying for clinker milling device 2.When milling, constantly
Compressed air is blasted from clinker milling device 2, the slag specimen after milling is equipped with sieve using pneumatic conveying to ground-slag mouth 26, ground-slag mouth 26
Net, the slag specimen less than 0.2mm can be dropped back into clinker milling device 2 and be milled again by sieve, underproof clinker.Through pneumatic transporting
The clinker brought enters dosing device 3 by ground-slag mouth 26.
Ground-slag mouth 26 is connect with the powder inlet 32 of dosing device 3.Powder outlet 31 is equipped at the top of dosing device 3,
Meal outlet positioned at bottom is connected to the quantitative chamber 34 of quantitative body 33, and quantitative body 33 is equipped with matches with upper flashboard 38 and lower flashboard 36
The notch of conjunction, L-shaped upper flashboard 38 and lower flashboard 36, which are plugged in notch, can pull L shape short side mobile, upper flashboard 38 and lower lock
Plate 36 is divided into the opposite two sides of quantitative body and quantitative chamber is separated into three spaces, and the end of upper flashboard 38 is equipped with gap 35,
The end of lower flashboard 36 is equipped with gap 37, and gap 35 is connected to the first quantitative mouth for being formed and being passed through for clinker, gap with quantitative chamber 34
37 are connected to the second quantitative mouth for being formed and being passed through for clinker with quantitative chamber 34, and the second quantitative mouth is located at below the first quantitative mouth and sets up separately
In on the opposite face of quantitative cavity wall.Qualified slag specimen enters the powder inlet 32 of dosing device 3 by thickening Teflon hose,
Slag specimen is collected using cyclone separator, and enters the quantitative body 33 of bottom.It is more when dosing device 3 does not work
Recrement sample is discharged from top powder outlet 31, is collected using filter.When work, lower flashboard 36 is first closed, and upper flashboard 38 is beaten
It opens, slag specimen enters the cavity of upper flashboard 38, lower flashboard 36, and upper flashboard 38 is closed after the completion of receiving powder, and the slag specimen of pie fills up entirely
Cavity.After quantitative, lower flashboard 36 is opened, and by the vibration of vibrator 6, (vibrator 6 and 3 bottom of dosing device are common
It is fixed on the connecting plate on analysis test apparatus top, the vibration of vibrator 6 drives connecting plate vibration, and connecting plate vibration drives
Dosing device 3 shakes), slag specimen is fallen into the crucible in analytical test element 4.
The quantitative mouth of the second of dosing device 3 is connected to the input port of analysis test apparatus 4.
The boiler fly ash ignition carbon measuring device that Publication No. CN101694447 can be used in the present embodiment is filled as dosing
It sets and the carbon content of clinker is analyzed.
Empty crucible or crucible containing sample are transferred to by the elevating mechanism of analysis test apparatus 4 and rotating mechanism
Different stations realizes different technical process.Crucible is first rotated to sample collection station, and elevating mechanism pushes crucible to enter
Specified height realizes the collection of sample；Then crucible is rotated to weighing station, and elevating mechanism drives crucible to be placed on electronics
On balance, the weighing of sample and crucible gross mass is realized；Then crucible is rotated to calcination station, and elevating mechanism drives crucible liter
Enter and carries out calcination technical process inside electric furnace；Then crucible is rotated to weighing station, and elevating mechanism drives crucible to be placed on electricity
On sub- balance, the weighing of remaining sample and crucible gross mass is realized；Last crucible is rotated to ash discharge station, is analyzed in crucible
Complete residue is discharged.
The workflow of analysis test apparatus 4 is consistent with analysis process of the laboratory to clinker combustible in the present embodiment,
High temperature sintering principle is mainly utilized, boiler slag carbon content is calculated by the mass loss before and after calcination.Detailed test process and calculating
Formula is as follows:
1) start instrument, weighing is carried out to empty crucible and is denoted as m1.
2) after weighing, pie slag specimen enters crucible, carries out drying and processing in furnace bottom, weighing is remembered again after drying
Make m2.
3) furnace temperature control is at 815 DEG C, will be sent into electric furnace calcination 15-30min equipped with the crucible of sample, after natural cooling
Weighing is denoted as m3 again, calculates boiler slag carbon content using mass loss.
Calculation formula:
In formula, ClzBy the mass percent (%) of phosphorus content in survey g of slag sample；M1 is the quality (g) of empty crucible；M2 is
Slag specimen adds the quality (g) of crucible before calcination；M3 adds the quality (g) of crucible for ash sample after calcination；
4) residue that calcination in crucible finishes is discharged and carries out self-test by analysis instrument.
The process that the present embodiment uses boiler slag phosphorus content on-line monitoring system to be detected are as follows:
The step of clinker samples.Cylinder drives probe tube to protrude into Y type clinker down-comer, and clinker enters probe tube, after cooling
Milling unit is fallen into using self gravitation effect.The probe tube residence time is manually set, to guarantee slag collection amount on the left side 100g
It is right.After the completion of sampling, cylinder drives probe tube to exit and takes cinder notch, and slag tapping is taken to be automatically closed.
The step of sample is milled.After clinker enters milling unit, milling unit is started to work.It is used from milling unit bottom
Strength is blown, and sieve and cyclone separator are cooperated.So that the clinker powder particle being collected into is not more than 0.2mm, it is ground
Sample size be about 20g.Extra g of slag sample is by opening bypass valve discharge.Extra pulverized slag is arranged from powder outlet
Out.
The step of dosing.Cyclone separator bottom is equipped with dosing unit, every time can be by the clinker of 1.5g or so
Sample making is entered inside analysis instrument at pie by powder sinking tube.
The step of samples weighing.Start instrument, weighing is carried out to empty crucible and is denoted as m1.After weighing, pie pulverized slag
End enters crucible, carries out drying and processing to sample in electric furnace lower part, weighing is denoted as m2 again after drying.
The step of phosphorus content is analyzed.Crucible equipped with sample is sent into electric furnace by analysis instrument, in 815 DEG C of calcination 15-30
Min, after cooling, weighing is denoted as m3 again, and instrument analyzes phosphorus content.
The step of ash discharge and self-test.The residue that calcination in crucible finishes is discharged and carries out self-test by analysis instrument.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (6)
1. a kind of boiler slag phosphorus content on-line monitoring system, including analysis test apparatus, which is characterized in that further include that clinker takes
Sample pipe, clinker milling device and dosing device, clinker probe tube one end are plugged in clinker down-comer, the other end and clinker
The clinker entrance of milling device connects, and the ground-slag mouth of clinker milling device and the powder inlet of dosing device connect, and quantitatively gives
The input port of the quantitative mouth and analysis test apparatus of expecting device connects.
2. boiler slag phosphorus content on-line monitoring system as described in claim 1, which is characterized in that the clinker sampling
Pipe, including with recrement outlet and slag outlet shell and be arranged in the intracorporal first rotating shaft being connect with flap of shell and with
Second shaft of lower turnover panel connection, recrement outlet are located at the side wall of shell, and slag outlet is located at shell end and goes out positioned at recrement
Mouth downstream, flap rotation under first rotating shaft drive make recrement port opening or closing, drive of the lower turnover panel in the second shaft
Lower rotation makes slag outlet close or open.
3. boiler slag phosphorus content on-line monitoring system as claimed in claim 2, which is characterized in that outside clinker probe tube
Equipped with the air-cooled or water cooling wrap for cooling down high temperature furnace slag.
4. boiler slag phosphorus content on-line monitoring system as described in claim 1, which is characterized in that the clinker is milled dress
It is equipped with protrusion in the shell set, mill in the cavity that wheel is formed between shell and protrusion and is socketed in protrusion, with protrusion
Eccentric structure is formed, compressed air inlet is equipped in the bottom for wheel of milling, is equipped with is connect with dosing device in the upper housing
Ground-slag mouth.
5. boiler slag phosphorus content on-line monitoring system as claimed in claim 4, which is characterized in that the clinker is milled dress
Sieve is additionally provided at the ground-slag mouth set.
6. boiler slag phosphorus content on-line monitoring system as described in claim 1, which is characterized in that the dosing dress
Top set portion is equipped with powder outlet, and meal outlet is connected to the quantitative chamber of quantitative body, and quantitative body is equipped with to be cooperated with upper flashboard and lower flashboard
Notch, L-shaped upper flashboard and lower flashboard, which are plugged in notch, can pull L shape short side mobile, and upper flashboard and lower flashboard are divided into
Quantitative chamber is simultaneously separated into three spaces by the opposite two sides of quantitative body, and the end of upper flashboard and lower flashboard is respectively equipped with gap, slits
Mouth is connected to the first quantitative mouth and the second quantitative mouth to be formed and be passed through for clinker with quantitative chamber, and the second quantitative mouth is positioned at the first quantitative mouth
It lower section and is divided on the opposite face of quantitative cavity wall.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821885352.XU CN209311263U (en) | 2018-11-16 | 2018-11-16 | A kind of boiler slag phosphorus content on-line monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821885352.XU CN209311263U (en) | 2018-11-16 | 2018-11-16 | A kind of boiler slag phosphorus content on-line monitoring system |
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| CN209311263U true CN209311263U (en) | 2019-08-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443978A (en) * | 2018-11-16 | 2019-03-08 | 沈阳环境科学研究院 | A kind of boiler slag phosphorus content on-line monitoring system |
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- 2018-11-16 CN CN201821885352.XU patent/CN209311263U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443978A (en) * | 2018-11-16 | 2019-03-08 | 沈阳环境科学研究院 | A kind of boiler slag phosphorus content on-line monitoring system |
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