CN107003214B - The automatic sampling apparatus of flying dust and the automatic method of sampling of flying dust - Google Patents
The automatic sampling apparatus of flying dust and the automatic method of sampling of flying dust Download PDFInfo
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- CN107003214B CN107003214B CN201580067359.3A CN201580067359A CN107003214B CN 107003214 B CN107003214 B CN 107003214B CN 201580067359 A CN201580067359 A CN 201580067359A CN 107003214 B CN107003214 B CN 107003214B
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Abstract
A kind of automatic sampling apparatus that specified amount, simple flying dust can will be supplied from the flying dust that flying dust chute samples to additive amount determination device is provided.Have：Extraction unit (10) samples flying dust (H) from flying dust chute Y；Hopper portion (20) stores the flying dust sampled by extraction unit；Weight feed portion (30), can be such that the flying dust in hopper portion is flowed out with firm discharge；And control unit (50), when each equipment of additive amount determination device (2) becomes the pattern for receiving flying dust, the control unit supplies the investigation of specified amount with flying dust (H1) from weight feed portion to additive amount determination device, and, when each equipment of additive amount determination device, which becomes make flying dust pass through first, passes through pattern by pattern and second, the control unit makes the flying dust used with flying dust not as investigation in hopper portion be discharged to outside via additive amount determination device, when each equipment of additive amount determination device become first by pattern and second by standby mode between pattern when, the control unit makes extraction unit that the new flying dust from flying dust chute to be stored into hopper portion.
Description
Technical field
The present invention relates to the automatic method of samplings of a kind of automatic sampling apparatus of flying dust and flying dust, in order to the weight in flying dust
Metal carries out what harmless treatment, the automatic sampling apparatus of the flying dust and the automatic method of sampling of flying dust were added to decision to flying dust
Flying dust of the additive amount determination device supply of the amount of being properly added of heavy metal fixative for the specified amount of investigation.
Background technology
Contain a large amount of heavy metal in the flying dust generated in burning waste, therefore in order to carry out discarded place to flying dust
It sets, needs the harmless treatment for carrying out heavy metal.It is innoxious in order to be carried out to heavy metal, weight generally is added to the flying dust being collected into
Metal fixative simultaneously carries out humidification mixing using kneading machine to the flying dust for being added to heavy metal fixative.In this case, according to
The type etc. of incinerated matter, character (heavy metal amount etc.) significantly change of flying dust, therefore the heavy metal added to flying dust is fixed
The amount of agent is also required to cooperatively change with the character of flying dust.Therefore, the flying dust obtained to the supply sampling of additive amount determination device,
Thus the state for measuring flying dust using the additive amount determination device determines the additive amount appropriate of heavy metal fixative.
The determining method of additive amount about heavy metal fixative, such as have in patent document 1 recorded.In this method
In, first, water is added in the flying dust (hereinafter referred to as investigation flying dust) of the specified amount obtained to sampling, to modulate the slurry as sample
Material.Then, heavy metal fixative is gradually added to the slurry, and the ascending amount of the oxidation-reduction potential (ORP) of measurement at this time is (just
Variable quantity).Then, the additive amount appropriate of the heavy metal fixative added into flying dust is determined based on the measured value.
In this case, need to additive amount determination device supply specified amount, i.e. accurately for be defined weight investigation flying dust.
In addition, the sampling operation about flying dust, is directly slipped from the flying dust of downward conveying flying dust generally by by operator
Flying dust is taken by slot or the flying dust feed bin for storing flying dust to be completed in container.In addition, about investigation flying dust, generally
And the flying dust of required weight is measured and extracted from sampling flying dust.
Patent document 1：Japanese Unexamined Patent Publication 2002-126685 bulletins
Invention content
Problems to be solved by the invention
However, the sampling operation of flying dust is to further include repeatedly carrying out various periods including the late into the night, very miscellaneous
Operation.In addition, in sampling operation, it is also necessary to operator be avoided to touch the chance of harmful flying dust as possible.Therefore, it is intended that
Not by artificial but automatically carry out the sampling operation of flying dust using machine.
On the other hand, in the case where automatically carrying out the sampling operation of flying dust, initiation arch formation is easy with from flying dust
Flying dust feed bin carry out flying dust sampling operation compare, preferably from the flying dust chute for conveying flying dust downwards at a flow way
Carry out the sampling operation of flying dust.Thus, for example it is also contemplated that as shown in Figure 13 in the Y installations of flying dust chute as quantitative
The screw(-type) feeder 100 of feedway automatically carries out the sampling operation of flying dust.In this case, in flying dust chute Y
The extraction mouth 101c of flying dust is formed at the top for surrounding the canister portion 101b of the helical axis 101a of delivery section 101.
However, the amount for entering the flying dust of the extraction mouth 101c of screw(-type) feeder 100 from flying dust chute Y is not fixed, nothing
Method supplies the flying dust of specified amount from this screw(-type) feeder 100 to additive amount determination device.Accordingly it is also possible to consider to measure from spiral shell
The weight for the flying dust that rotation batcher 100 flows out simultaneously only is supplied to additive amount decision using the flying dust of predetermined weight as investigation with flying dust
Device, if but automatically carrying out the operation, will produce the high cost for incurring device and complicating this problem.
The present invention is in view of the above, and it is an object of the present invention to provide a kind of can be by the flying dust of the specified amount sampled from flying dust chute
It is supplied to the automatic sampling apparatus of the simple flying dust of additive amount determination device and the automatic method of sampling of flying dust.
The solution to the problem
The first invention of the present invention is a kind of automatic sampling apparatus of flying dust, harmless in order to be carried out to the heavy metal in flying dust
Change is handled, and the flying dust to the supply of additive amount determination device for the specified amount of investigation, the additive amount determination device is used for
Determine that the amount of being properly added of the heavy metal fixative added to the flying dust, the automatic sampling apparatus of the flying dust are characterized in that,
Have：Extraction unit samples the flying dust from the flying dust chute for conveying the flying dust downwards；Hopper portion, temporarily
Store the flying dust sampled by the extraction unit；Weight feed portion can make the flying dust in the hopper portion
It is flowed into the additive amount determination device, and the flying dust in the hopper portion can be made to be flowed out with firm discharge；And
Control unit, when each equipment of the additive amount determination device becomes the sample modulating mode for receiving the flying dust, the control
Portion make the weight feed portion by the flying dust in the hopper portion with firm discharge outflow specified amount be used as investigation with fly
Ash, and the investigation is supplied to the additive amount determination device with flying dust, when each equipment of the additive amount determination device becomes
Make to be taken into the flying dust of the inside of the additive amount determination device by come to outside discharge first by pattern and the
Two when passing through pattern, and when described first passes through pattern, the control unit makes the weight feed portion will be residual in the hopper portion
The flying dust stayed all flows out, also, when described second passes through pattern, the control unit reaches in the weight feed portion
The weight feed portion is set to flow out the flying dust stored in the hopper portion in advance during before firm discharge, to make
Being discharged via the additive amount determination device with the flying dust that flying dust uses not as investigation in hopper portion is stated, is added when described
Each equipment of dosage determination device become described first by pattern and described second by standby mode between pattern when, institute
Stating control unit makes the extraction unit sample the flying dust in the flying dust chute to be stored into the hopper portion.
In the present invention, each equipment of additive amount determination device be set to by sample modulating mode, first by pattern,
Standby mode, second repeat these patterns by the sequence of pattern.When each equipment of additive amount determination device is modulated as sample
When pattern, weight feed portion makes the flying dust in hopper portion be used as investigation flying dust with firm discharge outflow specified amount, and should
Investigation is supplied to additive amount determination device with flying dust.Then, when each equipment of additive amount determination device passes through pattern as first
When, weight feed portion makes remaining whole flying dust outflow in hopper portion, to make being used with flying dust not as investigation in hopper portion
Flying dust via additive amount determination device be discharged.As a result, becoming empty state in hopper portion.Then, when additive amount determines to fill
When each equipment set becomes standby mode, extraction unit samples new flying dust to be stored into hopper portion out of flying dust chute.Then, when
When each equipment of additive amount determination device passes through pattern as second, make during weight feed portion is before reaching firm discharge
New flying dust in hopper portion flows out in advance, to make the flying dust used with flying dust not as investigation in hopper portion via additive amount
Determination device is discharged.Then, after this, weight feed portion can be such that flying dust is flowed out with firm discharge.
The second invention of the present invention is characterized in that, in the case of the first invention, the weight feed portion be spiral to
Material machine (screw feeder) or disk feeder (table feeder).
The third invention of the present invention is characterized in that in the case of the second invention, the control unit is based on measured in advance
The heap density of the flying dust gone out come set the screw(-type) feeder rotated with fixed speed helical axis or the disk to
The rotation number or rotational time of the disk of material machine, the flying dust of predetermined weight can be supplied.
The 4th invention of the present invention is a kind of automatic method of sampling of flying dust, harmless in order to be carried out to the heavy metal in flying dust
Change is handled, and the flying dust to the supply of additive amount determination device for the specified amount of investigation, the additive amount determination device is used for
Determine that the amount of being properly added of the heavy metal fixative added to the flying dust, the automatic method of sampling of the flying dust are characterized in that,
Include the following steps：Flying dust supplying step, when each equipment of the additive amount determination device becomes the sample of the receiving flying dust
When modulating mode, it can make the weight feed portion that the flying dust in the hopper portion is flowed out with firm discharge will be with firm discharge
The flying dust flowed out in the hopper portion of specified amount is supplied to the additive amount determination device as investigation with flying dust；It is residual
It stays flying dust that step is discharged, after the flying dust supplying step, makes to be taken into when each equipment of the additive amount determination device becomes
To the inside of the additive amount determination device the flying dust by come to outside discharge first pass through pattern when, it is described quantitative
Supply unit makes in hopper portion flow out out of described hopper portion, described the remaining whole flying dust be flowed into the additive amount to determine
Device is determined to be discharged；Flying dust storing step, it is each when the additive amount determination device after step is discharged in the residual flying dust
When equipment becomes standby mode, the flying dust that will be sampled from the flying dust chute for conveying the flying dust downwards by extraction unit
Temporarily it is stored into the hopper portion；And step is discharged in initial stage flying dust, after the flying dust storing step, when the additive amount
Each equipment of determination device become make to be taken into the additive amount determination device inside the flying dust by come to outside arrange
When second gone out passes through pattern, the weight feed portion is flowed in advance during making before so that the flying dust is flowed out with firm discharge
The flying dust stored in the hopper go out, described portion is flowed into the additive amount determination device to be discharged.
The effect of invention
In these inventions, the flying dust out of flying dust chute samples hopper portion is only made by using weight feed portion
Outflow, it will be able to supply investigation flying dust to additive amount determination device, therefore the simplification of device and cost effective can be reached.
In addition, in these inventions, when being sampled every time to flying dust, using weight feed portion come make in hopper portion not as tune
It looks into and is discharged to the outside via additive amount determination device with whole flying dusts that flying dust uses.Therefore, in these inventions, even if repeatedly
The sampling for carrying out flying dust, new flying dust will not occur in hopper portion and mixed with pervious flying dust.In this case, additionally it is possible to
The processing of the flying dust used with flying dust not as investigation is simply and reliably completed using additive amount determination device.Also,
In these inventions, before weight feed portion can be such that the flying dust in hopper portion is flowed out with firm discharge, make the weight feed portion
It is operable to be prepared the supply of investigation flying dust in advance, therefore institute can be accurately-supplied to additive amount determination device
The investigation flying dust of requirement.
Description of the drawings
Fig. 1 is to indicate flying dust from the figure generated to discarded flow.
Fig. 2 is the detailed figure for indicating automatic sampling apparatus and additive amount determination device.
Fig. 3 is the commissioning steps for indicating the not additive amount determination device with automatic sampling apparatus in the case of associated
Figure.
Fig. 4 is to indicate that there are the commissioning steps of the additive amount determination device in the case of associated with automatic sampling apparatus
Figure.
Fig. 5 is the figure for the action for illustrating automatic sampling apparatus.
Fig. 6 is the sectional side view other than control unit of automatic sampling apparatus.
Fig. 7 is the sectional view of the A-A arrows along Fig. 6.
Fig. 8 is the sectional view of the B-B arrows along Fig. 6.
Fig. 9 is the figure for the other flying dust extraction units for indicating automatic sampling apparatus.
Figure 10 is the figure for the other flying dust extraction units for indicating automatic sampling apparatus.
Figure 11 is the flat sectional drawing in other weight feed portions of automatic sampling apparatus.
Figure 12 is the sectional side view in other the weight feed portions and hopper portion of automatic sampling apparatus.
Figure 13 is the figure for the automatic sampling apparatus for indicating previous flying dust.
Specific implementation mode
In the following, being explained with reference to embodiments of the present invention.
Fig. 1 is to indicate flying dust from the figure generated to discarded flow.
As shown in Figure 1, the burning gases G generated when with incinerator burning waste includes flying dust H.Therefore, burning gases G
After cooled, such as it is discharged from chimney E after bag hose (bag filter) B is removed flying dust H.In addition, bag hose B tools
There is a large amount of tubular filter cloth, therefore is shaken off and be accumulated in successively the bottom of bag hose B by the flying dust H that these tubular filter clothes capture
Portion.Flying dust H in bag hose B is substantially continuously transported to flying dust feed bin S by conveyer belt C and is stored in this.In flying dust feed bin S
Flying dust H as the screw(-type) feeder weight feed machine F by via while being measured flow and send out flying dust H downwards
Flying dust chute Y kneading machine K is supplied to fixed flow.Regulation is added via flying dust Hs of the feedway T into kneading machine K
The water of flow, and heavy metal fixative is added with defined flow.Then, flying dust H, water and heavy metal fixative are kneaded
Machine K carries out humidification mixing, to be come with the state (by innoxious state) for being inhibited by the dissolution of the heavy metal in flying dust H
It is discharged successively from kneading machine K, later by carry out waste disposal.
In addition, the level of the flying dust H in control device X monitoring flying dust feed bins S, stops weight feed when it is low-level
The operating of machine F.However, usually, the supply amount of the flying dust H supplied from conveyer belt C and the flying dust transported from weight feed machine F
The case where H's transports amount phase equilibrium, therefore there is no the operatings for stopping weight feed machine F by control device X.
On the other hand, the character (type, amount) of the heavy metal in flying dust H according to the type of the waste burned and
Variation, therefore the amount of the heavy metal fixative added into flying dust H is also required to change.Therefore, the automatic sampling apparatus 1 of flying dust from
Can be extracted in such a way that will not arch formation occur for flying dust H the flying dust chute Y of flying dust H to flying dust H carry out sampling and by its to
Additive amount determination device 2 supplies specified amount and is used as investigation use.Additive amount determination device 2 is based on investigation flying dust H1, to determine
The additive amount appropriate of the fixed heavy metal fixative to flying dust H additions.Then, consolidated with the heavy metal that flying dust H1 is obtained based on investigation
The additive amount appropriate for determining agent is communicated to control device X, is controlled feedway T by control device X.In addition, adjusting
The investigation in additive amount determination device 2 after looking into is transported to kneading machine K processing with wastes such as flying dust H1.
It is (hereinafter referred to as automatic that Fig. 2 shows the automatic sampling apparatus 1 of the flying dust involved by an embodiment of the invention
Sampling apparatus 1) detailed content and the investigation flying dust H1 of specified amount (predetermined weight) is supplied to from the automatic sampling apparatus 1
Additive amount determination device 2 detailed content.
First, illustrate additive amount determination device 2.
The investigation flying dust H1 for the predetermined weight that additive amount determination device 2 is obtained for sampling measures oxidation-reduction potential
(ORP) ascending amount (positive variable quantity), and the suitable of the heavy metal fixative added into flying dust H is determined based on the measured value
When additive amount.In the additive amount determination device 2, all operations all carry out automatically.As shown in Fig. 2, the additive amount is determined
Determine device 2 with measuring tank 60, medicament supply unit 61, water supply unit 62, blender 63, sensor portion 64, discharge solenoid valve 65,
Discharge line 66 and control unit 67.
Measuring tank 60 is the container that top is open, lower part becomes path with funnel-form.Though not illustrated, to the meter
Measuring tank 60 is provided with level meter, to learn the amount for being added to internal water etc. according to its indicated value.
The investigation of sample (aftermentioned) of the medicament supply unit 61 into measuring tank 60 and the predetermined weight for being added to measuring tank 60
The heavy metal fixative (hereinafter referred to as medicament) of the amount of decision is correspondingly added with flying dust H1.
Water supply unit 62 is in aftermentioned priming steps M5, the investigation flying dust with the predetermined weight for being added to measuring tank 60
H1 correspondingly, by the water of the amount of decision is supplied to measuring tank 60.In addition, water supply unit 62 in aftermentioned cleaning step M4 to
Measuring tank 60 supplies the water of the amount needed for cleaning in a manner of injection.
Investigation in measuring tank 60 is stirred the set time by blender 63 with flying dust H1 and water, to modulate the slurry as sample
Material.In addition, the slurry and the medicament being added in the slurry are stirred to promote in investigation flying dust H1 by blender 63
Heavy metal is reacted with medicament.
Sensor portion 64 measures the concentration of the medicament in slurry as oxidation-reduction potential (ORP).
Discharge solenoid valve 65 is set to the lower end of measuring tank 60, make in the measuring tank 60 after measurement include slurry and
The waste of medicament is moved to 66 side of discharge line.Discharge line 66 will be discharged solenoid valve 65 and kneading machine K and link, to make measuring tank
Waste in 60 is discharged in kneading machine K.The discharge line 66 is arranged to vertical or tilts down so that internal waste by
It is flowed into kneading machine K in the effect of gravity.
Control unit 67 has to medicament supply unit 61, water supply unit 62, blender 63 and the work that solenoid valve 65 is discharged
The function of being controlled.In addition, there is control unit 67 operation communication portion 67a, operation communication portion 67a, which to receive, comes from sensor portion
64 output adds the time point (drug concentration high time point) of medicament with due to anti-with heavy metal to calculate to slurry
Answer and the difference of the oxidation-reduction potential (ORP) at time point that the concentration of medicament is lower.67a is according to redox for the operation communication portion
The difference of current potential (ORP) come find out by investigation flying dust H1 heavy metal consumption medicament amount, thus determine to flying dust H add
Medicament additive amount appropriate.Moreover, the value of above-mentioned decision is passed to the control of the sides kneading machine K by the operation communication portion 67a
Device X.
Then, illustrate the action of additive amount determination device 2.
If additive amount determination device 2 is not associated with automatic sampling apparatus 1, as shown in Figure 3 to repeat
Sample modulation step M1, determination step M2, discharge step M3, cleaning step M4 and priming steps M5 mode operated.
Here, each equipment of additive amount determination device 2 is set as executing the sample modulation of sample modulation step M1 by control unit 67 successively
Pattern, the mode determination for executing determination step M2, the discharge mode for executing discharge step M3, the cleaning mould for executing cleaning step M4
Formula and the water-injection mode for executing priming steps M5.
In sample modulation step M1, the water for having specified amount is accumulated from automatic sampling apparatus 1 to by water supply unit 62
Measuring tank 60 in supply predetermined weight investigation flying dust H1.In addition, in step M1, investigation is used by blender 63
Flying dust H1 stirs the stipulated time with water, to modulate the slurry as sample.In next determination step M2, to the slurry
It is added after the medicament of specified amount, the slurry is stirred with medicament by blender 63, to promote in investigation flying dust H1
Heavy metal and medicament react.In this case, sensor portion 64 measures the front and back oxidation-reduction potential (ORP) of reaction and will
The value is passed to control unit 67.In control unit 67, operation communication portion 67a is exchanged based on the output decision from sensor portion 64
The additive amount appropriate of the heavy metal fixative of flying dust H1 additions is looked into, and is passed to the control device X of the sides kneading machine K.
In the discharge step M3 after determination step M2, discharge solenoid valve 65 is opened, to the survey in measuring tank 60
The waste including slurry and medicament after fixed is discharged to via discharge line 66 in kneading machine K.In next cleaning
In step M4, the cleaning in measuring tank 60 is carried out by the water supplied in the way of ejection from water supply unit 62, these drainings
It is discharged in kneading machine K via discharge line 66.Further, in the priming steps M5 after cleaning step M4, discharge electricity
Magnet valve 65 is closed, and accumulates the water of specified amount into measuring tank 60 by water supply unit 62.
Then, illustrate automatic sampling apparatus 1.
Automatic sampling apparatus 1 is for supplying the flying dust H sampled in flying dust chute Y to additive amount determination device 2
Predetermined weight is used as investigation flying dust H1.As shown in Fig. 2, the automatic sampling apparatus 1 has flying dust extraction unit 10, hopper portion
20, weight feed portion 30 and control unit 50.
Flying dust extraction unit 10 samples the flying dust H of fixed amount out of downwards the flying dust chute Y of conveying flying dust H and makes its storage
In hopper portion 20.Amount by the flying dust H that the flying dust extraction unit 10 is extracted is can fully to be supplied to additive amount determination device 2
Once, i.e., the investigation of the predetermined weight amount of flying dust H1.
Hopper portion 20 is temporarily stored samples obtained flying dust H by flying dust extraction unit 10.The lower part in hopper portion 20 is formed as
Funnel-form or similar inclined plane shape so that internal flying dust H declines naturally due to gravity.In addition it is also possible to expecting
Vibration source is installed to be reliably prevented the arch formation of flying dust H by the infundibular segment of the lower part of pan 20 or inclined plane shape portion.
Weight feed portion 30 is set to the lower section in hopper portion 20, and the flying dust H in hopper portion 20 is made to be flowed into additive amount decision
In the measuring tank 60 of device 2.In addition, weight feed portion 30 can be such that the flying dust H in hopper portion 20 is flowed out with firm discharge.That is,
Weight feed portion 30 makes the flying dust H in hopper portion 20 flow out predetermined weight with firm discharge, and using the flying dust H of the outflow as tune
It looks into and is supplied to additive amount determination device 2 with flying dust H1.In the weight feed portion 30 for example can use can be by powder
Or screw(-type) feeder, the disk feeder that shot-like particle is conveyed with firm discharge.
Control unit 50 carries out exchanging for signal with the control unit 67 of additive amount determination device 2, and makes 10 He of flying dust extraction unit
Weight feed portion 30 carries out various operations.That is, control unit 50 makes flying dust extraction unit 10 work in defined timing, to material
Storage flying dust H in pan 20.In addition, control unit 50 makes weight feed portion 30 carry out opening/closing motion in various timings, to
Additive amount determination device 2 supplies the investigation flying dust H1 of predetermined weight.Here, due to the heap density of flying dust H be it is known,
As long as making with the weight feed portion 30 that firm discharge flows out to work flying dust H the stipulated times, it will be able to additive amount determination device 2
Supply the investigation flying dust H1 of predetermined weight.
In addition, if not by the flying dust H discharges used with flying dust not as investigation in hopper portion 20, flying dust extraction unit
10 accumulate the flying dust H for newly sampling and obtaining without normal direction hopper portion 20.Therefore, it is carried out by control unit 50 with automatic sampling apparatus 1
Action in association, as shown in figure 4, in additive amount determination device 2, between step M3 and cleaning step M4 is discharged, if
It is equipped with first and step N3 is passed through by step N1, standby step N2 and second.Step is passed through by step N1 and second first
In rapid N3, the flying dust H used with flying dust not as investigation flowed out from weight feed portion 30 is made to pass through additive amount determination device 2
Measuring tank 60 and discharge line 66 and be discharged to kneading machine K.In addition, passing through step N1 and first using standby step N2
Two by being arranged fixed stand-by time between step N3.
That is, control unit 50 with first by step N1 correspondingly, after investigation flying dust H1 outflow, utilize quantitative confession
Remaining flying dust H in hopper portion 20 is set all to be discharged to 2 side of additive amount determination device to portion 30.In addition, control unit 50 and
Two by step N3 correspondingly, so that weight feed portion 30 is carried out work at once after new flying dust H is stored into hopper portion 20
Make, the flying dust H in hopper portion 20 is made to be discharged to additive amount determination device 2 during come before flying dust H is flowed out with firm discharge
Side.Also, control unit 50 and standby step N2 are correspondingly, make flying dust extraction unit 10 by the new flying dust H storages in flying dust chute Y
It is stored in hopper portion 20.
Each equipment of additive amount determination device 2 is set as execution first by control unit 67 and leads to by the first of step N1 successively
Pattern is crossed, the standby mode of standby step N2 is executed and executes second and passes through pattern by the second of step N3.First passes through
Pattern and second by the state of each equipment under pattern with cleaning model the case where it is identical, from water supply unit 62 to measuring tank 60
It is interior that water is supplied in a manner of ejection, and open discharge solenoid valve 65.First by pattern and second by pattern under, be taken into
The sides kneading machine K are discharged to by measuring tank 60 and drainage pipeline 66 to wastes such as flying dust H in measuring tank 60.In addition, standby
The case where state of each equipment under pattern both can pass through pattern with first by pattern or second is identical, can also the row of maintenance
Go out the state of the opening of solenoid valve 65 and water supply unit 62 is made to be stopped.
In the automatic sampling apparatus 1, as shown in figure 5, four operatings are flying dust supplying operation P2, residual flying dust discharge fortune
Turn P4, flying dust storage operating P6 and initial stage flying dust discharge operating P8 is sequentially repeated with this.Therefore, it is carried out with reference to Fig. 5
The explanation of these operatings, thus illustrates the action of the automatic sampling apparatus 1.
Sample modulation step is executed when each equipment for sending out additive amount determination device 2 from additive amount determination device 2 has been switched to
When the notice P1 of the sample modulating mode of rapid M1, flying dust supplying operation P2 starts.That is, weight feed portion 30 works the stipulated time,
Investigation flying dust H1 is used as with firm discharge outflow predetermined weight to make the flying dust H in hopper portion 20, by the investigation flying dust
H1 is supplied to additive amount determination device 2.Then, at the end of flying dust supplying operation P2, the meaning is conveyed to additive amount determination device 2
Think.Then, additive amount determination device 2 passes through step N1 via determination step M1 and discharge step M2 into first.Then, when
Each equipment for sending out additive amount determination device 2 has been switched to and executes first by step N1 first by the notice P3 of pattern
When, residual flying dust discharge operating P4 starts.That is, weight feed portion 30 works the stipulated time, it is remaining complete in hopper portion 20 to make
Portion flying dust H is discharged to the sides kneading machine K via additive amount determination device 2.As a result, becoming empty state in hopper portion 20.So
Afterwards, at the end of residual flying dust discharge operating P4, the meaning is conveyed to additive amount determination device 2.
Then, additive amount determination device 2 enters standby step N2.Then, when each equipment for sending out additive amount determination device 2
When being switched to the notice P5 for the standby mode for executing standby step N2, flying dust storage operating P6 starts.That is, flying dust extraction unit 10
It works, the new flying dust H in flying dust chute Y is stored into hopper portion 20.Then, terminate when flying dust stores operating P6
When, convey the meaning to additive amount determination device 2.
Then, additive amount determination device 2 passes through step N3 into second.Then, when sending out each of additive amount determination device 2
Equipment be switched to execute second by step N3 second by the notice P7 of pattern when, initial stage flying dust discharge operating P8 is opened
Begin.That is, weight feed portion 30 works, come before being flowed out with firm discharge in the flying dust H being newly stored in hopper portion 20
Period makes the flying dust H flowed out from weight feed portion 30 be discharged to the sides kneading machine K via additive amount determination device 2.In the situation
Under, when weight feed portion 30 reaches firm discharge, worked the stipulated time when, weight feed portion 30 is stopped, initial stage
Flying dust discharge operating P8 terminates.Then, the meaning is conveyed to additive amount determination device 2.Then, additive amount determination device 2 via
Cleaning step M4 and priming steps M5 and enter sample modulation step M1.Then, each equipment of additive amount determination device 2 is sent out
It is switched to the notice P1 for the sample modulating mode for executing sample modulation step M1.
As described above, in the automatic sampling apparatus 1, only make to adopt from flying dust chute Y by using weight feed portion 30
Flying dust H outflows in the hopper portion 20 that sample obtains, it will be able to supply investigation flying dust H1, therefore energy to additive amount determination device 2
Enough reach the simplification of device and cost effective.
In addition, in the automatic sampling apparatus 1, when carrying out the sampling of flying dust H every time, will be expected by weight feed portion 30
The flying dust H used with flying dust not as investigation in pan 20 is all discharged to 2 side of additive amount determination device.Therefore, this from
In dynamic sampling apparatus 1, though can be prevented if repeating the sampling of flying dust H new flying dust in hopper portion 20 with it is pervious
Flying dust mixes.In addition, in this case, additionally it is possible to simply and reliably be completed not as tune using additive amount determination device 2
Look into the processing of the flying dust H used with flying dust.
Also, in the automatic sampling apparatus 1, the flying dust H in hopper portion 20 can be made with fixation in weight feed portion 30
Before flow outflow, the weight feed portion 30 is set to work in advance, to be prepared with the supply of flying dust H1 to investigation, therefore
The desired amount of investigation flying dust H1 can be accurately-supplied to additive amount determination device 2.
Then, illustrate the automatic method of sampling of flying dust.
As shown in figure 5, the automatic method of sampling of the flying dust includes：To sample modulating mode switch switching notice P1 with fly
Flying dust supplying step Q1 made of grey supplying operation P2 merges；Pass through the switching notice P3 of pattern switching and residual flying dust to first
Residual flying dust discharge step Q2 made of discharge operating P4 merges；The switching notice P5 switched to standby mode is transported with flying dust storage
Turn flying dust storing step Q3 made of P6 merges；And it is discharged to second with initial stage flying dust by the switching notice P7 of pattern switching
Operate initial stage flying dust discharge step Q4 made of P8 merges.Moreover, in the automatic method of sampling of the flying dust, flying dust supplying step
Q1, residual flying dust discharge step Q2, flying dust storing step Q3 and initial stage flying dust discharge step Q4 are sequentially repeated with this.
In flying dust supplying step Q1, when each equipment of additive amount determination device 2 modulates mould as the sample for receiving flying dust H
When formula, it can make the weight feed portion 30 that the flying dust H in hopper portion 20 is flowed out with firm discharge that will flow out rule with firm discharge
Flying dust H in quantitative hopper portion 20 is supplied to additive amount determination device 2 and is used as investigation flying dust H1.In residual flying dust discharge
In step Q2, after flying dust supplying step Q1, make to be taken into internal flying dust when each equipment of additive amount determination device 2 becomes
H by come when passing through pattern to the first of outside discharge, weight feed portion 30 make it is flowing out out of hopper portion 20, in hopper portion 20
Remaining whole flying dust H is flowed into additive amount determination device 2 to be discharged.
In flying dust storing step Q3, after residual flying dust discharge step Q2, when each equipment of additive amount determination device 2
When as standby mode, the flying dust H that flying dust extraction unit 10 makes the flying dust chute Y sample from conveying flying dust H downwards obtain is temporary
It is stored into hopper portion 20.In the early stage in flying dust discharge step Q4, after flying dust storing step Q3, when additive amount determination device 2
Each equipment become and make to be taken into internal flying dust H by come when passing through pattern to the second of outside discharge, weight feed portion 30
Flying dust H being flowed out in advance during making before reaching firm discharge, being stored in hopper portion 20 is flowed into additive amount and determines dress
2 are set to be discharged.Moreover, can also obtain effect same as automatic sampling apparatus 1 in the automatic method of sampling of the flying dust.
In addition, in the additive amount determination device 2, the medicament in slurry is held using oxidation-reduction potential (ORP)
Concentration, but the concentration of the medicament in slurry can also be held by using the colorimetric method of colorimetric reagent.In addition, in slurry
The concentration dependant of medicament can also hold the concentration of the medicament in slurry in pH using pH.
Alternatively, it is also possible to keep control unit 50 integrated with control unit 67, by common control unit to automatic sampling cartridge
Set 1 and additive amount determination device 2 controlled.
Then, with reference to Fig. 6~Fig. 8, to illustrate the specific of flying dust extraction unit 10, hopper portion 20 and weight feed portion 30
Example.Here, flying dust extraction unit 10 is the batch mode (batch that the ramp-like slot 13 for keeping top open is retreated relative to flying dust chute Y
Type mechanism), weight feed portion 30 are the mechanism in a manner of the screw(-type) feeder that firm discharge continuously conveys by flying dust H.
As shown in fig. 6, flying dust extraction unit 10 has：The backoff portion 11 of box-like, with the side that is connected in flying dust chute Y
Formula is installed on the side of flying dust chute Y；Funnelform guide portion 12, by be connected in backoff portion 11 in a manner of be installed on
Flying dust H is directed to hopper portion 20 by the lower part of the backoff portion 11；Ramp-like slot 13 receives the flying dust H in flying dust chute Y, and makes
Flying dust H downhill race is to guide portion 12；And cylinder 14, make ramp-like slot 13 in flying dust chute Y and the interior advance and retreat of backoff portion 11.
Cylinder 14 is to penetrate through the end panel 11a that the state of the end panel 11a of backoff portion 11 is installed on the backoff portion 11.Separately
Outside, the end of the piston portion 14a of cylinder 14 is installed on ramp-like slot 13.Ramp-like slot 13 is usually kept out of the way in backoff portion 11, but logical
It crosses the work of cylinder 14 and is passed in and out in flying dust chute Y, kept out of the way after the set time in backoff portion 11.
As shown in Figure 7 and Figure 8, weight feed portion 30 has：Helical axis 31 is made of axle portion winding screw leaf；
Canister portion 32 covers helical axis 31；A pair of bearings portion 33, which props up helical axis 31 in a way freely spinning way
It holds；Motor 34, driving helical axis 31 are rotated；And towards changing unit 35, by from the end of canister portion 32 with fixation
The direction of the flying dust H of flow outflow is changed into downwards.As shown in fig. 6, the top of 34 side of motor of canister portion 32 is provided with notch,
This forms the take-in portion 32a of flying dust H.Moreover, the sides take-in portion 32a in canister portion 32 are equipped with hopper portion 20.
As shown in fig. 6, hopper portion 20 with the left and right sides of the helical axis 31 along weight feed portion 30 in hopper portion 20 from
Take-in portion 32a plays the mode extended upward and is formed as ramp-like.Therefore, hopper portion 20 can be in the take-in portion in weight feed portion 30
The top of 32a stores the flying dust H of enough amounts.The lid that the top in hopper portion 20 is connected to by the guide portion 12 with flying dust extraction unit 10
Portion 20a closes a part.
When each equipment of additive amount determination device 2 is switched to sample modulating mode, weight feed portion 30 makes helical axis 31
The stipulated time is rotated with fixed speed, the flying dust H flowed out with firm discharge is supplied into predetermined weight to additive amount determination device 2
It is used as investigation flying dust H1.Then, quantitative to supply when each equipment of additive amount determination device 2, which is switched to first, passes through pattern
Helical axis 31 is set to rotate the stipulated time to portion 30, to make remaining whole flying dust H in hopper portion 20 be discharged to additive amount decision dress
Set 2 sides.Then, when each equipment of additive amount determination device 2 is switched to standby mode, flying dust extraction unit 10 makes 14 work of cylinder
Make, to make ramp-like slot 13 be moved in flying dust chute Y, the flying dust H flowed along ramp-like slot 13 out of flying dust chute Y is made to be moved to
In hopper portion 20.Then, when storing the flying dust H of substantially requirement in hopper portion 20, i.e. ramp-like slot 13 is moved to flying dust
When have passed through the stipulated time after chute Y, flying dust extraction unit 10 makes cylinder 14 work, to make ramp-like slot 13 be moved to backoff portion 11
It is interior.
Then, when each equipment of additive amount determination device 2, which is switched to second, passes through pattern, weight feed portion 30 makes spiral
Axis 31 is rotated with fixed speed, come make the flying dust H in hopper portion 20 before flying dust H is flowed out with fixed flow rate during be discharged to
2 side of additive amount determination device.Then, fixed when helical axis 31 is had rotated the stipulated time, flowed out with firm discharge to flying dust H
Measure the rotation that supply unit 30 stops helical axis 31.
In addition, flying dust extraction unit 10 can also be the mechanism of baffle (damper) mode as shown in Figure 9.The flying dust extracts
Portion 10 has：Baffle 15 is set in flying dust chute Y, and upper end side can be with attached positioned at the inner face of the side wall Y1 of flying dust chute Y
It is shaken centered on close lower end 15a；Conduit 16 is set to the lower end sides 15a of baffle 15, by what is be collected into along baffle 15
Flying dust H is transported outside flying dust chute Y；And driving source (not shown), so that baffle 15 is shaken.Utilizing the flying dust extraction unit 10
In the case of being sampled to flying dust H, if make baffle 15 shake be it is sideling crosscutting in flying dust chute Y, will be in flying dust
The flying dust H declined in chute Y is collected into the opening portion sides 16a of conduit 16 along baffle 15.In addition, not to flying dust H into
In the case of row sampling, as long as shaking baffle 15 as shown in two chain-dotted lines along the side wall Y1 of flying dust chute Y, to come sharp
With the opening portion 16a of 15 obstruction conduit 16 of baffle.
In addition, flying dust extraction unit 10 can also be following mechanism as shown in Figure 10：Make the flying dust container 17 of upper opening
It retreats in flying dust chute Y and in backoff portion 18, and the flying dust container 17 is made to be rotated down in backoff portion 18, to make flying dust
Flying dust H in container 17 is fallen downwards.
Also, flying dust extraction unit 10 can also be screw(-type) feeder 100 as shown in fig. 13 that.In the screw(-type) feeder 100
In, the lower part of the canister portion 101b of delivery section 101 is provided with the outlet 101d for the flying dust H in delivery section 101 to be discharged.
In the case of being sampled to new flying dust H using screw(-type) feeder 100, as long as making helical axis 101a counter-rotatings, to make
Old flying dust H in delivery section 101 is discharged to from outlet 101d in flying dust chute Y.
In addition, weight feed portion 30 can also be disk feeder as is illustrated by figs. 11 and 12.In the weight feed portion
In 30, disk, the i.e. plectane 37 that can be rotated with fixed speed centered on by vertical axis L, by motor 36 by
Top, be provided with cylindrical shape flying dust supply unit 38 coaxial with plectane 37 and with plectane 37 with being spaced apart clearance D.In addition,
In the weight feed portion 30, it is provided with scraper plate 39 in a manner of sliding opposite with the upper surface of plectane 37, one end of the scraper plate 39
It is fixed on flying dust supply unit 38, the another side of the scraper plate 39 is fixed on plectane in such a way that the scraper plate 39 is crosscutting on plectane 37
The flying dust outflow portion 40 in 37 outsides.Moreover, being equipped with hopper portion 20 on the flying dust supply unit 38 in the weight feed portion 30.Hopper
Flying dust H in portion 20 is flowed out to from the clearance D of 38 lower section of flying dust supply unit on plectane 37, and flying dust H passes through the rotation of plectane 37
Turn to be slided on plectane 37 without after the mobile guiding of scraper plate 39, being collected into flying dust outflow portion 40.In this case, by
It is rotated with fixed speed in plectane 37, therefore the flying dust H on plectane 37 is transported to firm discharge in flying dust outflow portion 40.
Here, in fig. 12, label 41 be equipped with motor 36, plectane 37 supported in a way freely spinning way
Substrate, label 42 are mounted to the cylindric cover of the circumference of substrate 41.In addition, label 43 is the upper of the top of cover 42
Plate, label 44 are to build bridge to prevent bar.
In addition, in the case where the flying dust H of specified amount is supplied to additive amount determination device 2 from weight feed portion 30,
The rotational time of helical axis 31 or plectane 37 that control is rotated with fixed speed is can not be, but controls their rotation number.
Embodiment
Then, illustrate to utilize and used Fig. 6~flying dust shown in Fig. 8 extraction unit 10, hopper portion 20 and weight feed portion
30 sampling apparatus practically samples flying dust H and is extracted the result of the investigation flying dust H1 of predetermined weight.
[specification and experiment flying dust of equipment]
A. the working time of cylinder 14 is adjusted, enabling flying for about 200g is extracted by flying dust extraction unit 10 each time
Grey H.
B. the capacity in hopper portion 20 is 2L.
C. weight feed portion 30 can adjust flow in the range of 0.04L/Hr~18L/Hr.
D. experiment is the flying ash of municipal refuse with flying dust.
[test method]
A. carried out for several times the flying dust H of about 200g being put into using flying dust extraction unit 10 operation in hopper portion 20.
B. before extraction investigation is with flying dust H1, weight feed portion 30 is made to work the stipulated time, and confirmed weight feed
Portion 30 makes the flying dust H in hopper portion 20 be flowed out with almost firm discharge.
C. the helical axis 31 in weight feed portion 30 is made to work 60 seconds with the rotary speed of 40rpm, enabling extraction every time
The investigation of 20g flying dust H1.Investigation is received with flying dust H1 in container, electronics Libra is used in combination to measure investigation flying dust H1's
Weight.
D. the extraction operation of investigation flying dust H1 is repeated 20 times, has been calculated as shown in table 1 below flat
Equal weight, standard deviation, the coefficient of variation (CV=standard deviations/average weight).
[test result]
It is shown in table 1 below.
[table 1]
As described above, the coefficient of variation (CV) is 0.61%, to which confirmed can be using the sampling apparatus come accurately
The investigation flying dust H1 of weight as defined in extraction.
Reference sign
1：Automatic sampling apparatus；2：Additive amount determination device；10：Flying dust extraction unit (extraction unit)；20：Hopper portion；30：It is fixed
Measure supply unit；50：Control unit；H：Flying dust；H1：Investigation flying dust；Q1：Flying dust supplying step；Q2：It remains flying dust and step is discharged；
Q3：Flying dust storing step；Q4：Step is discharged in initial stage flying dust；Y：Flying dust chute.
Claims (4)
1. a kind of automatic sampling apparatus of flying dust determines to carry out harmless treatment to the heavy metal in flying dust to additive amount
The flying dust of the unit feeding for the specified amount of investigation, what the additive amount determination device was used to determine to add to the flying dust
The automatic sampling apparatus of the amount of being properly added of heavy metal fixative, the flying dust is characterized in that having：
Extraction unit samples the flying dust from the flying dust chute for conveying the flying dust downwards；
Hopper portion temporarily stores the flying dust sampled by the extraction unit；
Weight feed portion can make the flying dust in the hopper portion be flowed into the additive amount determination device, and energy
The flying dust in the hopper portion is enough set to be flowed out with firm discharge；And
Control unit, it is described when each equipment of the additive amount determination device becomes the sample modulating mode for receiving the flying dust
Control unit makes the weight feed portion that the flying dust in the hopper portion is used as investigation with firm discharge outflow specified amount
With flying dust, and the investigation is supplied to the additive amount determination device with flying dust, when each equipment of the additive amount determination device
As the flying dust for the inside for making to be taken into the additive amount determination device by outside discharge first passing through pattern
When passing through pattern with second, when described first passes through pattern, the control unit makes the weight feed portion by the hopper portion
The interior remaining flying dust all flows out, also, when described second passes through pattern, the control unit is in the weight feed portion
So that the weight feed portion is flowed out the flying dust stored in the hopper portion in advance during before reaching firm discharge, comes
Make being discharged via the additive amount determination device with the flying dust that flying dust uses not as investigation in the hopper portion, works as institute
Stating each equipment of additive amount determination device becomes described first by pattern and described second by the standby mode between pattern
When, the control unit makes the extraction unit be sampled to the flying dust in the flying dust chute to be stored into the hopper
Portion.
2. the automatic sampling apparatus of flying dust according to claim 1, which is characterized in that
The weight feed portion is screw(-type) feeder or disk feeder.
3. the automatic sampling apparatus of flying dust according to claim 2, which is characterized in that
The heap density for the flying dust that the control unit is gone out based on measured in advance sets the spiral rotated with fixed speed
The rotation number or rotational time of the disk of the helical axis of batcher or the disk feeder, predetermined weight can be supplied
The flying dust.
4. a kind of automatic method of sampling of flying dust determines to carry out harmless treatment to the heavy metal in flying dust to additive amount
The flying dust of the unit feeding for the specified amount of investigation, what the additive amount determination device was used to determine to add to the flying dust
The automatic method of sampling of the amount of being properly added of heavy metal fixative, the flying dust is characterised by comprising following steps：
Flying dust supplying step, when each equipment of the additive amount determination device becomes the sample modulating mode of the receiving flying dust
When, it can make the weight feed portion that the flying dust in hopper portion is flowed out with firm discharge that will flow out specified amount with firm discharge
The hopper portion in the flying dust be supplied to the additive amount determination device with flying dust as investigation；
It remains flying dust and step is discharged, after the flying dust supplying step, when each equipment of the additive amount determination device becomes
Make to be taken into the flying dust of the inside of the additive amount determination device by come when passing through pattern to the first of outside discharge, institute
Stating weight feed portion makes the remaining whole flying dust in hopper portion flowed out out of described hopper portion, described be flowed into described add
Dosage determination device is discharged；
Flying dust storing step, after step is discharged in the residual flying dust, when each equipment of the additive amount determination device becomes
When standby mode, the flying dust sampled from the flying dust chute for conveying the flying dust downwards by extraction unit is temporarily stored
To the hopper portion；And
Step is discharged in initial stage flying dust, after the flying dust storing step, when each equipment of the additive amount determination device becomes
Make to be taken into the flying dust of the inside of the additive amount determination device by come when passing through pattern to the second of outside discharge, institute
It is stored in hopper portion state weight feed portion and flowed out in advance during making before making the flying dust be flowed out with firm discharge, described
The flying dust be flowed into the additive amount determination device to be discharged.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014249748 | 2014-12-10 | ||
| JP2014-249748 | 2014-12-10 | ||
| JP2015220197A JP5983849B2 (en) | 2014-12-10 | 2015-11-10 | Automatic sampling apparatus and automatic sampling method for fly ash |
| JP2015-220197 | 2015-11-10 | ||
| PCT/JP2015/082161 WO2016093019A1 (en) | 2014-12-10 | 2015-11-16 | Automatic fly ash sampling device and automatic fly ash sampling method |
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| CN107003214A CN107003214A (en) | 2017-08-01 |
| CN107003214B true CN107003214B (en) | 2018-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201580067359.3A Active CN107003214B (en) | 2014-12-10 | 2015-11-16 | The automatic sampling apparatus of flying dust and the automatic method of sampling of flying dust |
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| Country | Link |
|---|---|
| JP (1) | JP5983849B2 (en) |
| CN (1) | CN107003214B (en) |
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| CN108672470B (en) * | 2018-05-14 | 2019-11-22 | 镇江新区固废处置股份有限公司 | Solid waste treatment method with hazardous waste pretreatment process |
| JP7159692B2 (en) * | 2018-08-27 | 2022-10-25 | 栗田工業株式会社 | Inventory management system and inventory management method for treatment agent used to treat fly ash |
| CN109556925A (en) * | 2018-12-31 | 2019-04-02 | 光力科技股份有限公司 | Dry collector fly ash sampling device and sampling system |
| JP7192733B2 (en) * | 2019-09-27 | 2022-12-20 | Ｊｆｅエンジニアリング株式会社 | Heavy metal concentration measuring device and method, fly ash processing device having heavy metal concentration measuring device |
| CN112857874B (en) * | 2021-01-19 | 2023-09-01 | 南京望天科技有限公司 | Colliery geological prospecting sampling save set of even sampling |
| CN113984459B (en) * | 2021-09-17 | 2023-02-07 | 西安科技大学 | Method and device for measuring ammonia release in preparation process of magnesium slag and fly ash-based filling paste |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4977837A (en) * | 1990-02-27 | 1990-12-18 | National Recovery Technologies, Inc. | Process and apparatus for reducing heavy metal toxicity in fly ash from solid waste incineration |
| CN1160608A (en) * | 1996-03-25 | 1997-10-01 | 株式会社大圈企业 | Stabilization and reuse of ash |
| JP3293530B2 (en) * | 1997-09-01 | 2002-06-17 | 栗田工業株式会社 | Automatic dispensing device for ash treatment |
| JP3862190B2 (en) * | 1998-01-19 | 2006-12-27 | 株式会社タクマ | Incinerator dust treatment equipment |
| JP3968986B2 (en) * | 2000-10-26 | 2007-08-29 | 栗田工業株式会社 | Method for determining required amount of chelating heavy metal immobilizing agent and method and apparatus for determining effect of immobilizing heavy metal on treated ash |
| JP2002177924A (en) * | 2000-12-18 | 2002-06-25 | Kazuko Iwasaki | Detoxification treatment process of incineration ash by diffusing and decomposing incineration ash atoms and equipment for the same process |
| JP3965965B2 (en) * | 2001-10-31 | 2007-08-29 | 日東紡績株式会社 | Ash processing method and apparatus |
| JP5720455B2 (en) * | 2011-07-14 | 2015-05-20 | 栗田工業株式会社 | Acid gas treatment method |
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| CN107003214A (en) | 2017-08-01 |
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| JP5983849B2 (en) | 2016-09-06 |
| JP2016114594A (en) | 2016-06-23 |
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