CN106114929B - Hydrogen peroxide bulking system and scaling method - Google Patents
Hydrogen peroxide bulking system and scaling method Download PDFInfo
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- CN106114929B CN106114929B CN201610652858.5A CN201610652858A CN106114929B CN 106114929 B CN106114929 B CN 106114929B CN 201610652858 A CN201610652858 A CN 201610652858A CN 106114929 B CN106114929 B CN 106114929B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/26—Methods or devices for controlling the quantity of the material fed or filled
- B65B3/30—Methods or devices for controlling the quantity of the material fed or filled by volumetric measurement
Abstract
The invention discloses a kind of hydrogen peroxide bulking systems, it includes metering units, and the metering units include measuring tank, float and scale；The volume of measuring tank is determined according to the net weight of filling bucket, the float is arranged in measuring tank, and float is connected with scale and adjusts position of the float in measuring tank by scale to change a certain section of volume between measuring tank and float.The invention has the advantages that：(1) safe and reliable property is high, easy to operate, easy to maintain, and not only safeguards system under various rugged environments worked normally but also can reach the higher accuracy of packaging quantitative packaging system of performance for a long time.(2) it is at low cost, speed is fast, easy for installation.(3) can anti-human contact's hydrogen peroxide damage.(4) it is highly practical, a variety of different liquid can be practically applicable to.(5) operation is more stable, is easy to automation control.
Description
Technical field
The present invention relates to filling liquid technical field, more particularly to a kind of hydrogen peroxide bulking system and scaling method.
Background technology
The measure control of fluid product amount involved in chemical process.For the requirement of hydrogen peroxide production process, technique
The hydrogen peroxide produced need to carry out outer confession or dealing trade settlement as a kind of product.For being needed specially in metering outside hydrogen peroxide
With the filling bucket of hydrogen peroxide, realized by a set of automatic gauge and control device.
Quantitative package technology mainly needs solve two problems：Check weighing measures and quantitative control.Measuring is divided into quiet
State measures and dynamic measures, and is all dynamic change in industrial flow-line production material, therefore using measurement in real time.It is so quick
And it accurately measures.
According to weighing, filling input cost is too high, it is therefore desirable to design suitable, reliable, economy, quantitative bag
Fill control system, should safeguards system under various rugged environments for a long time normal work again can reach the higher packaging of performance
Precision quantitative packaging system.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind is at low cost, reliability is high and has higher
Accuracy of packaging hydrogen peroxide bulking system and its scaling method.
The purpose of the present invention is what is be achieved through the following technical solutions：Hydrogen peroxide bulking system, it includes metering units,
The metering units include measuring tank, float and scale；The volume of measuring tank is determined according to the net weight of filling bucket, described is floating
Son is arranged in measuring tank, and float is connected with scale and to adjust position of the float in measuring tank by scale a certain to change
Volume between section measuring tank and float.
It is preferred that present invention additionally comprises inlet valve, outlet valve, flow switch and control system, the chargings
Valve, outlet valve and flow switch are electrically connected with control system, and the inlet valve is mounted on the pipe connected with measuring tank top
On road, the outlet valve is mounted on the pipeline connected with metering pot bottom；Overflow port is provided on the measuring tank, is overflow
Overflow pipe is connected at head piece, flow switch is mounted on overflow pipe.
It is preferred that the scale is made of 700mm × 38mm × 5mm stainless steel plates, scale bottom is with floating
Son is fixed, and the base of float is the same as the following parallel datum mark with definite scale of overflow port.
It is preferred that the scale starts setting up equidistant hole from datum mark, the shape in each hole is consistent.
It is preferred that the hole is circular hole, round aperture is diameter 5mm, and the distance between circle and circle are 10mm.
It is preferred that the float is made of stainless steel tube both sides welding end socket, the stainless steel tube
A diameter of 38mm, length 430mm, the volume that float occupies between scale holes for 0.019 × 0.019 × 3.14 × 0.01 ×
1000=0.011L.
It is preferred that by the quality that the quality conversion of hydrogen peroxide is pure water, demarcated by pure water, and according to
The net weight of filling bucket determines the volume of measuring tank, and deviation of weight exists, and the filling weight of standard≤every barrel of filling bucket net weight≤standard fills
It fills in weight+g range, wherein g is deviation.
It is preferred that determining the volume of measuring tank, deviation of weight exists, the filling weight of standard≤every barrel of net weight of filling bucket
In the filling weight+g range of≤standard, wherein g allows shortage amount, tool as defined in content of prepackaged goods with fixed net Measurement rules
Body step is as follows：
Step 1：Determine to require the range maximum be：Actual metered tank volume-(the filling weight+g of standard)=X, passes through X
÷ Y determine Z, the wherein Y volumes that float occupies between scale holes, and Z is to need the hole count adjusted, and the result that Z is X ÷ Y passes through
It crosses the integer to round up or Z and removes the integer obtained after decimal for the result of X ÷ Y；From scale zero graduation to Z holes
Position is marked as A, and to measuring tank internal-filling liquid, until pure water is overflowed from overflow port, filling liquid is completed；First calibrated with standard test weight
Electronic platform scale, then demarcated with electronic platform scale；Weighing the liquid quality in measuring tank ensures result in the filling weight of standard
In the filling weight+g range of≤every barrel of net weight≤standard；If weighing result in above range, does not redefine Z holes and mark A,
The method of determining is to raise or float downward hole position according to weighing result, until weighing result falls within the above range；
Step 2：Determine to require the range minimum be：Actual metered tank volume-standard filling weight=F, it is true by F ÷ Y
Determine W, the wherein Y volumes that float occupies between scale holes, W is need to adjust hole count, and the result that W is F ÷ Y is by rounding up
Obtained integer or W is that the result of X ÷ Y removes the integer obtained after decimal；Carry out mark in position from scale zero graduation to W holes
B is denoted as, to measuring tank filling liquid, until pure water is overflowed from overflow port, filling liquid is completed；Electronic platform scale first is calibrated with standard test weight, then
It is demarcated with electronic platform scale；Weigh measuring tank in liquid quality ensure result the filling weight of standard≤every barrel of net weight≤
In the filling weight+g range of standard；If weighing result in above range, does not redefine W holes and mark B, the method for determining is root
Hole position is raised or floated downward according to weighing result, until weighing result falls within the above range；
Step 3：Scale is locked at C, C is | A-B | after/2+A obtained by rounding, mark C.
It is preferred that system into pure water, determines the volume of measuring tank according to the net weight of filling bucket, deviation of weight exists,
In the filling weight of standard≤filling weight+g range of every barrel of filling bucket net weight≤standard, wherein g is content of prepackaged goods with fixed net
Allow shortage amount as defined in Measurement rules；It concretely comprises the following steps：
Step 1：Determine to require the range maximum be：Actual metered tank volume-(the filling weight+g of standard)=X, passes through X
÷ Y determine Z, the wherein Y volumes that float occupies between scale holes, and Z is to need the hole count adjusted, and the result that Z is X ÷ Y passes through
It crosses the integer to round up or Z and removes the integer obtained after decimal for the result of X ÷ Y；From scale zero graduation to Z holes
Position is marked as A, opening inlet valve, to measuring tank filling liquid, until pure water, from overflow port spilling, flow switch has detected
Then measuring tank filling liquid is completed after flow, flag bit is arranged to 1 at this time, flag bit is 0 always before；Control system output letter
It is number automatic to close inlet valve；Flow switch detects no flow and flag bit when being 1, and control system output signal opens outlet valve,
Pure water is flowed into weighing container, is first calibrated electronic platform scale with standard test weight, then is demarcated with electronic platform scale, weighing result：
In the filling weight of standard≤filling weight+g range of every barrel of net weight≤standard；If weighing result is not in above range, again really
Determine Z holes and mark A, the method for determining is to raise or float downward hole position according to weighing result, until weighing result falls in above-mentioned model
In enclosing；
Step 2：Determine to require the range minimum be：Actual metered tank volume-standard filling weight=F, it is true by F ÷ Y
Determine W, the wherein Y volumes that float occupies between scale holes, W is need to adjust hole count, and the result that W is F ÷ Y is by rounding up
Obtained integer or W is that the result of X ÷ Y removes the integer obtained after decimal；Carry out mark in position from scale zero graduation to W holes
B is denoted as, opens inlet valve, to measuring tank filling liquid, until pure water is overflowed from overflow port, flow switch is then counted after having detected flow
Measuring tank filling liquid is completed, and flag bit is arranged to 1 at this time, flag bit is 0 always before；Control system output signal is put into automatically
Expect valve；Flow switch detects no flow and flag bit when being 1, and control system output signal opens outlet valve, first with standard weight
Code calibration electronic platform scale, then demarcated with electronic platform scale, weighing result:The filling weight of standard≤every barrel of net weight≤standard fills
It fills in weight+g range；If weighing result in above range, does not redefine W holes and mark B, the method for determining is according to weighing
As a result hole position is raised or floats downward, until weighing result falls within the above range；
Step 3：Scale is locked at C, C is | A-B | after/2+A obtained by rounding, mark C.
It is preferred that after pure water calibration, hydrogen peroxide calibration is also provided with, is concretely comprised the following steps：System into hydrogen peroxide,
Inlet valve is opened, to measuring tank filling liquid, until hydrogen peroxide is overflowed from overflow port, flow switch has detected after flow then measuring tank
Filling liquid is completed, and flag bit is arranged to 1 at this time, flag bit is 0 always before.Control system output signal puts material into automatically
Valve；Flow switch detects no flow and flag bit when being 1, and control system output signal opens outlet valve, first uses standard test weight
Electronic platform scale is calibrated, then is demarcated with electronic platform scale；Weighing result:The filling weight of standard≤every barrel of net weight≤standard is filling
Weight+g, wherein g allow shortage amount as defined in content of prepackaged goods with fixed net Measurement rules；If weighing result is not above-mentioned
Scope redefines Z holes and mark A, and the method for determining is to raise or float downward hole position according to weighing result, until weighing result
Fall within the above range.
The beneficial effects of the invention are as follows：
(1) the safe and reliable property of this positive displacement Canning Technique is high, easy to operate, easy to maintain, and both safeguards system was in various evils
Normal work can reach the higher accuracy of packaging quantitative packaging system of performance again for a long time under bad environment.
(2) it is at low cost, speed is fast, easy for installation.
(3) can anti-human contact's hydrogen peroxide damage.
(4) it is highly practical, a variety of different liquid can be practically applicable to.
(5) operation is more stable, is easy to automation control.
Description of the drawings
Fig. 1 is the example structure schematic diagram of measuring tank of the present invention；
Fig. 2 is the example structure schematic diagram of scale of the present invention and float；
Fig. 3 is the structure diagram of the present invention；
Fig. 4 is the hydrogen peroxide quantitative packaging system structure diagram that the present invention forms.
Specific embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to
It is as described below.
As shown in Figure 1 to 4, hydrogen peroxide bulking system, it includes metering units, and the metering units include metering
Tank, float and scale；The volume of measuring tank is determined according to the net weight of filling bucket, the float is arranged in measuring tank, float
It is connected with scale and position of the float in measuring tank is adjusted by scale to change a certain section between measuring tank and float
Volume.
Preferably, present invention additionally comprises inlet valve, outlet valve, flow switch and control system, the inlet valve, dischargings
Valve and flow switch are electrically connected with control system, and the inlet valve is mounted on the pipeline connected with measuring tank top, institute
The outlet valve stated is mounted on the pipeline connected with metering pot bottom；Overflow port is provided on the measuring tank, at overflow port
Overflow pipe is connected, flow switch is mounted on overflow pipe.
Preferably, the scale is made of 700mm × 38mm × 5mm stainless steel plates, and scale bottom is fixed with float,
The base of float is the same as the following parallel datum mark with definite scale of overflow port.
Preferably, the scale starts setting up equidistant hole from datum mark, and the shape in each hole is consistent.
Preferably, the hole is circular hole, and round aperture is diameter 5mm, and the distance between circle and circle are 10mm.
Preferably, the float using stainless steel tube both sides welding end socket be made, the stainless steel tube it is a diameter of
38mm, length 430mm, the volume that float occupies between scale holes are 0.019 × 0.019 × 3.14 × 0.01 × 1000=
0.011L。
Preferably, by the quality that the quality conversion of hydrogen peroxide is pure water, demarcated by pure water, and according to filling bucket
Net weight determine the volume of measuring tank, deviation of weight exists, the filling weight of the standard≤filling weight of every barrel of filling bucket net weight≤standard+
In g range, wherein g is deviation.
Preferably, the volume of measuring tank is determined, deviation of weight exists, the filling weight of standard≤every barrel of filling bucket net weight≤standard
In filling weight+g range, wherein g allows shortage amount as defined in content of prepackaged goods with fixed net Measurement rules, carries out at present
It is JJF1070-2005 content of prepackaged goods with fixed net Measurement rules, it is defined that shortage amount is allowed to be the filling weight of standard
1%.G can also be a value with the filling weight change of standard, such as the 1% or 0.5% of the filling weight of standard.Calibration
It is as follows：
Step 1：Determine to require the range maximum be：Actual metered tank volume-(the filling weight+g of standard)=X, passes through X
÷ Y determine Z, the wherein Y volumes that float occupies between scale holes, and Z is to need the hole count adjusted, and the result that Z is X ÷ Y passes through
It crosses the integer to round up or Z and removes the integer obtained after decimal for the result of X ÷ Y；From scale zero graduation to Z holes
Position is marked as A, and to measuring tank internal-filling liquid, until pure water is overflowed from overflow port, filling liquid is completed；First calibrated with standard test weight
Electronic platform scale, then demarcated with electronic platform scale；Weighing the liquid quality in measuring tank ensures result in the filling weight of standard
In the filling weight+g range of≤every barrel of net weight≤standard；If weighing result in above range, does not redefine Z holes and mark A,
The method of determining is to raise or float downward hole position according to weighing result, until weighing result falls within the above range；
Step 2：Determine to require the range minimum be：Actual metered tank volume-standard filling weight=F, it is true by F ÷ Y
Determine W, the wherein Y volumes that float occupies between scale holes, W is need to adjust hole count, and the result that W is F ÷ Y is by rounding up
Obtained integer or W is that the result of X ÷ Y removes the integer obtained after decimal；Carry out mark in position from scale zero graduation to W holes
B is denoted as, to measuring tank filling liquid, until pure water is overflowed from overflow port, filling liquid is completed；Electronic platform scale first is calibrated with standard test weight, then
It is demarcated with electronic platform scale；Weigh measuring tank in liquid quality ensure result the filling weight of standard≤every barrel of net weight≤
In the filling weight+g range of standard；If weighing result in above range, does not redefine W holes and mark B, the method for determining is root
Hole position is raised or floated downward according to weighing result, until weighing result falls within the above range；
Step 3：Scale is locked at C, C is | A-B | after/2+A obtained by rounding, mark C.
Preferably, system determines the volume of measuring tank according to the net weight of filling bucket into pure water, and deviation of weight exists, and standard fills
It fills in weight≤filling weight+g range of every barrel of filling bucket net weight≤standard, wherein g is content of prepackaged goods with fixed net metering rule
It is then defined to allow shortage amount；It concretely comprises the following steps：
Step 1：Determine to require the range maximum be：Actual metered tank volume-(the filling weight+g of standard)=X, passes through X
÷ Y determine Z, the wherein Y volumes that float occupies between scale holes, and Z is to need the hole count adjusted, and the result that Z is X ÷ Y passes through
It crosses the integer to round up or Z and removes the integer obtained after decimal for the result of X ÷ Y；From scale zero graduation to Z holes
Position is marked as A, opening inlet valve, to measuring tank filling liquid, until pure water, from overflow port spilling, flow switch has detected
Then measuring tank filling liquid is completed after flow, flag bit is arranged to 1 at this time, flag bit is 0 always before；Control system output letter
It is number automatic to close inlet valve；Flow switch detects no flow and flag bit when being 1, and control system output signal opens outlet valve,
Pure water is flowed into weighing container, is first calibrated electronic platform scale with standard test weight, then is demarcated with electronic platform scale, weighing result：
In the filling weight of standard≤filling weight+g range of every barrel of net weight≤standard；If weighing result is not in above range, again really
Determine Z holes and mark A, the method for determining is to raise or float downward hole position according to weighing result, until weighing result falls in above-mentioned model
In enclosing；
Step 2：Determine to require the range minimum be：Actual metered tank volume-standard filling weight=F, it is true by F ÷ Y
Determine W, the wherein Y volumes that float occupies between scale holes, W is need to adjust hole count, and the result that W is F ÷ Y is by rounding up
Obtained integer or W is that the result of X ÷ Y removes the integer obtained after decimal；Carry out mark in position from scale zero graduation to W holes
B is denoted as, opens inlet valve, to measuring tank filling liquid, until pure water is overflowed from overflow port, flow switch is then counted after having detected flow
Measuring tank filling liquid is completed, and flag bit is arranged to 1 at this time, flag bit is 0 always before；Control system output signal is put into automatically
Expect valve；Flow switch detects no flow and flag bit when being 1, and control system output signal opens outlet valve, first with standard weight
Code calibration electronic platform scale, then demarcated with electronic platform scale, weighing result:The filling weight of standard≤every barrel of net weight≤standard fills
It fills in weight+g range；If weighing result in above range, does not redefine W holes and mark B, the method for determining is according to weighing
As a result hole position is raised or floats downward, until weighing result falls within the above range；
Step 3：Scale is locked at C, C is | A-B | after/2+A obtained by rounding, mark C.
Preferably, after pure water calibration, hydrogen peroxide calibration is also provided with, is concretely comprised the following steps：System into hydrogen peroxide, open into
Expect valve, to measuring tank filling liquid, until hydrogen peroxide is overflowed from overflow port, flow switch has detected that then measuring tank filling liquid is complete after flow
Into flag bit being arranged to 1 at this time, flag bit is 0 always before.Control system output signal closes inlet valve automatically；Flow
Switch detects no flow and flag bit when being 1, and control system output signal opens outlet valve, first calibrates electronics with standard test weight
Platform balance, then demarcated with electronic platform scale；Weighing result:The filling weight of standard≤every barrel of filling weight+g of net weight≤standard,
Wherein g allows shortage amount as defined in content of prepackaged goods with fixed net Measurement rules；If weighing result is not in above range, weight
Newly definite Z holes and mark A, the method for determining is to raise or float downward hole position according to weighing result, until weighing result falls upper
In the range of stating.
Below by taking 25 kilograms of filling buckets as an example：
1st, the making of tank volume is measured：Using Φ 210mm × 800mm (length) stainless steel tube+Φ 210mm × 90mm (height) circles
Conical lower portion (or funnel-shaped bottom portion), determine overflow port and gating location, determine the fixing fabric structure of volume cylinder 23.4 ±
In 0.1L, be additionally provided with square scale mouth on the measuring tank, the high 290mm of the scale mouth, wide 75mm, interior shape with
Scale shape cooperates to scale can carry out up and down adjustment in it, as shown in Figure 1.
2nd, the making of scale and float：
2.1 since scale datum mark (i.e. scale zero graduation), two center of circle spacing be 10mm drilling, aperture be Φ 5mm,
Totally 69 holes；It is fabricated to scale.If Fig. 2 scales are using 695mm (length) × 38mm (width) × 5mm (thickness) stainless steel plate, by overflowing
Head piece determines that the datum mark (base of float is parallel below with overflow port) of scale is as shown in Figure 3.
2.2 floats use Φ 38mm (length 205,140mm) stainless steel tube both sides to weld end socket.
Scale hole site is adjusted by bolt, is impregnated using float and occupies volume size in water to measure, use electronic table
Scale (standard test weight) is demarcated.Control system can be PLC or DCS or program adjusting control device dispatch control system, control
System control import stop valve charging, the on or off of solenoid valve control baiting valve.Realize the safety protection functions such as flow alarm function, chain
Deng.Here is calibration process：
After 1. dioxygen water measuring tank, pipeline, valve inspection are complete.
2. regulation scale (zero graduation, which has determined that, to be marked) cleans up.
3. pure water cleaning equipment and pipeline, until wash water is colourless, until as clear as crystal no suspended substance.
4. product configuration slot fills pure water, start product filling pump and pure water is sent into dioxygen water measuring tank, Feed Shut-Off valve is complete
It opens, observes whether there is overflow phenomenon at the top of each measuring tank, if there is overflow, close inlet valve rapidly；If without overflow, observation is overflow
When head piece visor there are flowing out, inlet valve is closed.
5. outlet visor is waited to there are flowing out, open each metering pot bottom blowing solenoid valve and pure water is put into dioxygen bucket
And weigh, and perform record.
6. system is into pure water, according to every barrel of pure water net weight respectively with 23.149Kg (the corresponding pure water matter of 25 kilograms of hydrogen peroxide
Amount), the difference (positive or negative) of 23.380Kg (the corresponding pure water quality * (1+1%) of 25 kilograms of hydrogen peroxide) (range ability), from meter
Regulating pin scale at the top of measuring tank (downwards or on) position, adjusts pure water weight in the measuring tank, with electronic platform scale (standard weight
Code) carry out calibration until for 23.149Kg≤every barrel of net weight≤23.380Kg, scale present position allows range ability at this time
(scale is one-to-one relationship with the measuring tank, performs range ability mark, calibration finishes.
7. system demarcates measuring tank, regulation scale, method is same as above, and reaches requirement, and calibration finishes into hydrogen peroxide.
You need to add is that system into pure water, is existed by the way that the volume of jar is calculated for 23.45L deviation of weights,
In the range of 23.149Kg≤every barrel of net weight≤23.380Kg, it is desirable that range maximum is 23.45-23.380=0.07,0.07 ÷
0.011=6.3 (is approximately equal to 6 holes).Position from scale zero graduation to 6 holes is marked as A, opens inlet valve FV-101 valves,
To measuring tank filling liquid, until pure water is overflowed from overflow port, flow switch has detected that then measuring tank (1-10) filling liquid is complete after flow
Into.PLC (or DCS) output signals close FV-101 inlet valves automatically；PLC (or DCS) is exported when flow switch detects no flow
Signal opens DSVa101 outlet valves (first marking first the first measuring tank of line, DSVa102-110 is in off state at this time), first with mark
Quasi- calibration of weight electronic platform scale, then demarcated with electronic platform scale.Weighing result is 23.21Kg.
It is required that range minimum be 23.45-23.149=0.301,0.301 ÷ 0.011=27.4 (being approximately equal to 27 holes) from
The position in scale zero graduation to 27 holes is marked as B, opens inlet valve FV-101 valves, to measuring tank filling liquid, until pure water from
Overflow port overflows, and flow switch has detected then measuring tank (1-10) filling liquid completion after flow.PLC (or DCS) outputs signal is certainly
It is dynamic to close FV-101 inlet valves；PLC (or DCS) exports signal and opens DSVa101 outlet valves (first when flow switch detects no flow
DSVa102-110 is in off state first the first measuring tank of line of mark at this time), electronic platform scale first is calibrated with standard test weight, then is used
Electronic platform scale is demarcated.Weighing result is 23.18Kg.
Scale is locked in the 17th hole of intermediate location of C of maximum A and minimum B.
Start, into pure water, to open inlet valve FV-101 valves, to measuring tank filling liquid, until pure water is overflowed from overflow port, flow
Switch has detected then measuring tank (1-10) filling liquid completion after flow.PLC (or DCS) output signals close FV-101 chargings automatically
Valve；PLC (or DCS) exports signal and opens DSVa101 outlet valves (first first line first of mark when flow switch detects no flow
DSVa102-110 is in off state measuring tank at this time), electronic platform scale first is calibrated with standard test weight, then is carried out with electronic platform scale
Calibration.Weighing result is 23.18Kg (meeting the requirements).
Start, into hydrogen peroxide, to open inlet valve FV-101 valves, to measuring tank filling liquid, until hydrogen peroxide is overflowed from overflow port,
Flow switch has detected then measuring tank (1-10) filling liquid completion after flow.PLC (or DCS) output signals close FV-101 automatically
Inlet valve；PLC (or DCS) exports signal and opens DSVa101 outlet valves (first first line of mark when flow switch detects no flow
DSVa102-110 is in off state first measuring tank at this time), first with standard test weight calibrate electronic platform scale, then with electronic platform scale come
It is demarcated.Weighing result is 25.03Kg (meeting the requirements).
Note：If adjustment scale weighs again up and down not in error range, each measuring tank is demarcated in the same way.
When carry out system of the present invention puts into operation, system is divided into four canning lines (hydrogen peroxide quantitative package system as shown in Figure 4
System), 10 measuring tanks of every line, 2 billiard ball valves, 1/tank (two-position three way magnetic valve), 1 flow switch, 1 pneumatic cut-out
Valve；First uppermost left side ball valve is opened, is started respectively on PLC touch-screens (or DCS), filling first line is first closed
DSVa101-110 outlet valves open inlet valve FV-101 valves, to measuring tank filling liquid, until hydrogen peroxide is overflowed from overflow port, flow
Switch has detected then measuring tank (1-10) filling liquid completion after flow.PLC (or DCS) output signals close FV-101 chargings automatically
Valve；Flow switch detects no flow and flag bit when being 1, and PLC (or DCS) output signals automatically open DSVa101-110 and go out
Expect valve, it is filling to complete first line.Second and third, four canning lines similarly.Four canning lines can be set on PLC (or DCS)
It works at the same time or works independently.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is noted that all
All any modification, equivalent and improvement made within the spirit and principles in the present invention etc. should be included in the guarantor of the present invention
Within the scope of shield.
Claims (3)
1. hydrogen peroxide bulking system scaling method, it is characterised in that：It is the quality of pure water by the quality conversion of hydrogen peroxide, by pure
Water is demarcated, and the volume of measuring tank is determined according to the net weight of filling bucket, and deviation of weight exists, the filling weight of standard≤filling
In the bucket filling weight+g range of every barrel of net weight≤standard, wherein g is deviation；
Determine the volume of measuring tank, deviation of weight exists, the filling weight of the standard≤filling weight+g of every barrel of filling bucket net weight≤standard
In the range of, wherein g allows shortage amount as defined in content of prepackaged goods with fixed net Measurement rules, is as follows：
Step 1：Determine to require the range maximum be：Actual metered tank volume-(the filling weight+g of standard)=X, it is true by X ÷ Y
Determine Z, the wherein Y volumes that float occupies between scale holes, Z is to need the hole count adjusted, and the result that Z is X ÷ Y is by four houses
Five integers entered or the result that Z is X ÷ Y remove the integer obtained after decimal；It does position from scale zero graduation to Z holes
Good mark is, to measuring tank internal-filling liquid, until pure water is overflowed from overflow port, filling liquid is completed；First electronic table is calibrated with standard test weight
Scale, then demarcated with electronic platform scale；Weighing the liquid quality in measuring tank ensures result in the filling weight of standard≤every barrel
In the filling weight+g range of net weight≤standard；If weighing result in above range, does not redefine Z holes and mark A, determines side
Method is to raise or float downward hole position according to weighing result, until weighing result falls within the above range；
Step 2：Determine to require the range minimum be：Filling weight=the F of actual metered tank volume-standard determines W by F ÷ Y,
The wherein Y volumes that float occupies between scale holes, W is need to adjust hole count, and the result that W is F ÷ Y is by rounding up to obtain
Integer or W be X ÷ Y result remove the integer obtained after decimal；Position from scale zero graduation to W holes mark for
B, to measuring tank filling liquid, until pure water is overflowed from overflow port, filling liquid is completed；First electronic platform scale, then electricity consumption are calibrated with standard test weight
Sub- platform balance is demarcated；Weighing the liquid quality in measuring tank ensures result in the filling weight of standard≤every barrel of net weight≤standard
In filling weight+g range；If weighing result in above range, does not redefine W holes and mark B, the method for determining is according to title
Hole position is floated downward in the up-regulation of amount result, until weighing result falls within the above range；
Step 3：Scale is locked at C, C is | A-B | after/2+A obtained by rounding, mark C.
2. hydrogen peroxide bulking system scaling method according to claim 1, it is characterised in that：System is into pure water, according to filling
The net weight of barrelling determines the volume of measuring tank, and deviation of weight exists, and the filling weight of standard≤every barrel of filling bucket net weight≤standard is filling
In weight+g range, wherein g allows shortage amount as defined in content of prepackaged goods with fixed net Measurement rules；It concretely comprises the following steps：
Step 1：Determine to require the range maximum be：Actual metered tank volume-(the filling weight+g of standard)=X, it is true by X ÷ Y
Determine Z, the wherein Y volumes that float occupies between scale holes, Z is to need the hole count adjusted, and the result that Z is X ÷ Y is by four houses
Five integers entered or the result that Z is X ÷ Y remove the integer obtained after decimal；It does position from scale zero graduation to Z holes
Good mark is to open inlet valve, to measuring tank filling liquid, until pure water is overflowed from overflow port, after flow switch has detected flow
Then measuring tank filling liquid is completed, and flag bit is arranged to 1 at this time, flag bit is 0 always before；Control system output signal is automatic
Close inlet valve；Flow switch detects no flow and flag bit when being 1, and control system output signal opens outlet valve, stream of pure water
Into in weighing container, electronic platform scale first is calibrated with standard test weight, then is demarcated with electronic platform scale, weighing result：Standard fills
It fills in weight≤filling weight+g range of every barrel of net weight≤standard；If weighing result not in above range, redefine Z holes and
A is marked, the method for determining is to raise or float downward hole position according to weighing result, until weighing result falls within the above range；
Step 2：Determine to require the range minimum be：Filling weight=the F of actual metered tank volume-standard determines W by F ÷ Y,
The wherein Y volumes that float occupies between scale holes, W is need to adjust hole count, and the result that W is F ÷ Y is by rounding up to obtain
Integer or W be X ÷ Y result remove the integer obtained after decimal；Position from scale zero graduation to W holes mark for
B opens inlet valve, and to measuring tank filling liquid, until pure water is overflowed from overflow port, flow switch has detected after flow then measuring tank
Filling liquid is completed, and flag bit is arranged to 1 at this time, flag bit is 0 always before；Control system output signal puts material into automatically
Valve；Flow switch detects no flow and flag bit when being 1, and control system output signal opens outlet valve, first uses standard test weight
Electronic platform scale is calibrated, then is demarcated with electronic platform scale, weighing result:The filling weight of standard≤every barrel of net weight≤standard is filling
In weight+g range；If weighing result in above range, does not redefine W holes and mark B, the method for determining is tied according to weighing
Hole position is raised or floated downward to fruit, until weighing result falls within the above range；
Step 3：Scale is locked at C, C is | A-B | after/2+A obtained by rounding, mark C.
3. hydrogen peroxide bulking system scaling method according to claim 2, it is characterised in that：After pure water calibration, also set
Hydrogen peroxide calibration has been put, has been concretely comprised the following steps：System opens inlet valve into hydrogen peroxide, to measuring tank filling liquid, until hydrogen peroxide is from overflowing
Head piece overflows, and flow switch has detected then measuring tank filling liquid completion after flow, flag bit is arranged to 1 at this time, flag bit exists
It is 0 always before；Control system output signal closes inlet valve automatically；Flow switch detects no flow and flag bit when being 1, control
System output signal processed opens outlet valve, first calibrates electronic platform scale with standard test weight, then is demarcated with electronic platform scale；It weighs
As a result:The filling weight of standard≤every barrel of net weight≤standard filling weight+g, wherein g is content of prepackaged goods with fixed net Measurement rules
It is defined to allow shortage amount；If weighing result in above range, does not redefine Z holes and mark A, the method for determining is according to title
Hole position is floated downward in the up-regulation of amount result, until weighing result falls within the above range.
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| CN202204581U (en) * | 2011-08-30 | 2012-04-25 | 中芯国际集成电路制造(上海)有限公司 | Liquid measuring tool |
| CN103033242A (en) * | 2012-12-19 | 2013-04-10 | 长岭炼化岳阳工程设计有限公司 | Static weighing control method |
| CN203132633U (en) * | 2013-01-09 | 2013-08-14 | 李耀进 | Liquid-adjustable metering tank |
| CN105526984A (en) * | 2016-01-07 | 2016-04-27 | 山东博硕自动化技术有限公司 | Volumetric type automatic liquid metering device and metering method thereof |
| CN205931346U (en) * | 2016-08-11 | 2017-02-08 | 四川金象赛瑞化工股份有限公司 | Hydrogen peroxide solution filling system |
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