CN108918328A - A kind of automatic device and method based on constant volume method measurement roughing sand clay content - Google Patents
A kind of automatic device and method based on constant volume method measurement roughing sand clay content Download PDFInfo
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- CN108918328A CN108918328A CN201810313381.7A CN201810313381A CN108918328A CN 108918328 A CN108918328 A CN 108918328A CN 201810313381 A CN201810313381 A CN 201810313381A CN 108918328 A CN108918328 A CN 108918328A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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Abstract
A kind of automatic device and method based on constant volume method measurement roughing sand clay content, belongs to foundry sands clay content fields of measurement.The present apparatus mainly includes water tank, the motor with stirring-head, water level probe, pressure sensor, lifting platform, display and operation plate, solenoid valve, water pipe, fixed bracket, power supply box.All parts are accurately assembled and connected, the automatic device of constant volume method measurement roughing sand clay content is obtained.The device can realize automatic washed-out sand, automatically add water, automatic siphon step.The present invention solves the problems, such as to use differential technique measurement roughing sand clay content step complicated, excessive with duration, the artificial investment amount of labour in the past.Formula washed-out sand method is washed using whirlpool and carries out washed-out sand, applications keys switch realizes the process for controlling completion plus water and siphon to three solenoid valves.By washed-out sand process sequencing, using the method for constant volume, i.e., the quality that the different component under identical water level is accurately measured out under the control of water level probe is denoted as respectivelyQ 1 、Q 2 、Q 3 , whereinQ 1 =water+beaker（Quality）,Q 2 =water+beaker+sand+mud point（Quality）,Q 3 =water+beaker+sand（Quality）, the expression formula for acquiring roughing sand clay content through derivation formula isx=(Q 2 ‑Q 3 )/(Q 2 ‑Q 1 ) × 100% is precisely measuringQ 1 、Q 2 、Q 3 Under conditions of can obtain roughing sand clay content.The present invention is suitable for measurement roughing sand clay content.
Description
Technical field
The present invention relates to foundry sands clay content fields of measurement, and in particular to one kind is contained based on constant volume method measurement roughing sand
The automatic device and method of mud amount.
Background technique
Clay content is the important component parameter of wet type clay sand, and the parameter one of most sensitive to performance, clay content
Quality directly decide the quality of wet type clay sand quality, and then the quality of influence casting.Therefore for clay content detection,
Control is essential.The detection method of clay content mainly uses difference approach as defined in GB/T2684-2009 at present, the inspection
Survey method detection device is simple, relies primarily on based on manual operation, and step is more and many and diverse, and with duration, excessive artificial participation is
Production and life add many troubles, for this purpose, complicated, excessive with duration, the artificial investment amount of labour to solve measuring process
The problem of propose it is a kind of based on constant volume method measurement roughing sand clay content automatic device and method.
Summary of the invention
The present invention provides a kind of base to solve the problems, such as that existing roughing sand clay content detection method step is complicated, time-consuming
In the automatic device method of constant volume method measurement roughing sand clay content
A kind of automatic device based on constant volume method measurement roughing sand clay content, it includes water tank, the motor with stirring-head, water level spy
Needle, pressure sensor, lifting platform, display and operation plate, solenoid valve, water pipe, fixed bracket, power supply box.
Motor is fixed on above fixed frame, and stirring-head is located at below fixed frame at 160mm.Water tank is fixed on above fixed frame
It is inlayed with motor, the water pipe and water tank mouth of a river is connected, and solenoid valve is connected in fixed position with water pipe, and three water level probes are fixed on water
On the concentric circles that prosposition is set, and height is different.Fixed frame bottom is connected with power supply box, and power supply upper box part places pressure sensor,
Lifting platform is placed on sensor top, and power supply box ramp or so places display instrument and operation panel respectively.
A method of the automatic device based on constant volume method measurement roughing sand clay content realizes that constant volume method measures roughing sand clay content,
Using the water level in water level probe control wash cup away from wash cup bottom 125mm, meet water level it is identical on the basis of, utilize pressure
It contains in quality, wash cup when force snesor measures splendid attire clear water in wash cup respectively without the sand and water for washing away mud part
The quality when mixture of the sand and water by washing away mud part is contained in quality, wash cup when mixture.Utilize the derivation of equation
The relationship between above three quality and clay content is obtained, the expression formula of clay content is finally obtained, that is, measures clay content.The perseverance
Appearance method measurement roughing sand clay content specific method be：
Step 1: applying pressure sensor weighs the quality of sandG 0 , enableG 0 =G 1 +G 2 , whereinG 1 WithG 2 Respectively indicating quality isG 0
Roughing sand in non-mud part and mud part quality, and enableG 0 、G 1 、G 2 Specific gravity ber；
Step 2: wash cup is placed on pressure sensor, start detection device, adjusts plus taps are embodied as wash cup and add
Water process makes water crown to back wash cup bottom 125mm under the control of water level probe, if contained substance in wash cup at this time
Volume beV, the quality of wash cup isM, the specific gravity of waterρ=1.0×103 kg/m3, remember that the registration of pressure sensor at this time isQ 1 ,
Then:
Q 1 =M+Vρ（1）
Step 3: raising lifting platform makes water pipe distance from bottom wash cup bottom 10mm, siphon switch is adjusted, siphon pipe bottom is fallen in siphon
The water of part on end reduces lifting platform, is placed on wash cup on pressure sensor, and the sand sample weighed up is addedG 0 , adjust and add
Taps are embodied as wash cup and automatically add water process, and water level face is made to reach position identical with step 2 under the control of water level probe
Place is set, if contained mass volume is in wash cup at this timeV, remember that the registration of pressure sensor at this time isQ 2 , then：
Q 2 =M+G 1 +G 2 +(V-(G 1 +G 2 )/r)ρ（2）
Step 4: raising lifting platform, making water pipe distance from bottom wash cup bottom 10mm, mixing time is set, starting stirring switchs,
Static 10min after the completion of stirring adjusts siphon switch, and the muddy water of part on siphon pipe bottom end is fallen in siphon, adjusts plus taps make
Water level reaches before siphon at identical height, and starting stirring switch stirring 30s, static 10min, realizes siphon again after the completion of stirring
Step repeats to add water, stirring, static, siphon step later, until stirred rear static 10min wash cup siphon pipe top is not
Until muddiness, last time siphon is completed；
Step 5: reducing lifting platform, it is placed on wash cup on pressure sensor, adjusts plus taps are embodied as wash cup and add water
Process reaches water level face at position identical with step 2, if being contained in wash cup at this time
Mass volume isV, remember that the registration of pressure sensor at this time isQ 3 , then：
Q 3 =G 1 +M+(V-G 1 /r)ρ（3）
Step 6: set roughing sand clay content asx, then：
x=G 2 /(G 1 +G 2 )×100% （4）
Simultaneous is above-mentioned（1）（2）（3）It can obtain roughing sand clay contentxFor：
x=G 2 /(G 1 +G 2 )×100%=(Q 2 -Q 3 )/(Q 2 -Q 1 )×100%
Step 7: starting output switch, obtains roughing sand clay content using the program finishedx, flushing pipeline, cleaning washed-out sand
Cup closes detection device.
Beneficial effect：The rational design of water level probe guarantees to mass metering substance constant volume；Solenoid valve, water pipe, water tank
Link position and mode realize Intelligent watering and siphonic process；Artificial investment is reduced, measurement accuracy is increased, reduces measurement week
Phase；Reasonable form construction design realizes measurement, washed-out sand integration；To sum up, method provided by the invention is increasing measurement essence
Under the premise of degree, realizes automatic washed-out sand, automatically adds water, automatic siphon process, substantially reduce measurement period, and simpler
It is easy.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the design of automatic device based on constant volume method measurement roughing sand clay content.
Specific embodiment
The preferred embodiment of the present invention is elaborated with reference to the accompanying drawing.
Specific embodiment one：Referring to attached drawing 1, a kind of automatic dress based on constant volume method measurement roughing sand clay content
It sets, it includes water tank 1, the motor 2 with stirring-head, water level probe 3, pressure sensor 4, lifting platform 5, display and operation plate 6, electromagnetism
Valve 7, water pipe 8, fixed bracket 9, power supply box 10.Motor 2 with stirring-head is fixed on fixed 9 top of bracket, and stirring-head is located at solid
At 9 lower section 160mm of fixed rack；Water tank 1 is fixed on fixed 9 top of bracket and inlays with the motor 2 with stirring-head, water pipe 8 and water tank 1
The mouth of a river is connected, and solenoid valve 7 is connected 8 with water pipe in fixed position, and three water level probes 3 are fixed on the concentric circles of horizontal position,
And height is different；Fixed 9 bottom of bracket is connected with power supply box 10, and pressure sensor 4, pressure sensor are placed in 10 top of power supply box
Lifting platform 5 is placed on 4 tops, and 10 front bevel of power supply box places display operation plate.It is realized according to the following steps：
Specific embodiment two：Referring to attached drawing 1, a kind of automatic device based on constant volume method measurement roughing sand clay content is realized
The method that constant volume method measures roughing sand clay content, the method that constant volume method measures roughing sand clay content are：
Step 1: applying pressure sensor weighs the quality of sandG 0 , enableG 0 =G 1 +G 2 , whereinG 1 WithG 2 Respectively indicating quality isG 0
Roughing sand in non-mud part and mud part quality, and enableG 0 、G 1 、G 2 Specific gravity ber；
Step 2: wash cup is placed on pressure sensor, start detection device, adjusts plus taps are embodied as wash cup and add
Water process makes water crown to back wash cup bottom 125mm under the control of water level probe, if contained substance in wash cup at this time
Volume beV, the quality of wash cup isM, the specific gravity of waterρ=1.0×103 kg/m3, remember that the registration of pressure sensor at this time isQ 1 ,
Then:
Q 1 =M+Vρ（1）
Step 3: raising lifting platform makes water pipe distance from bottom wash cup bottom 10mm, siphon switch is adjusted, siphon pipe bottom is fallen in siphon
The water of part on end reduces lifting platform, is placed on wash cup on pressure sensor, and the sand sample weighed up is addedG 0 , adjust and add
Taps are embodied as wash cup and automatically add water process, and water level face is made to reach position identical with step 2 under the control of water level probe
Place is set, if contained mass volume is in wash cup at this timeV, remember that the registration of pressure sensor at this time isQ 2 , then：
Q 2 =M+G 1 +G 2 +(V-(G 1 +G 2 )/r)ρ（2）
Step 4: raising lifting platform, making water pipe distance from bottom wash cup bottom 10mm, mixing time is set, starting stirring switchs,
Static 10min after the completion of stirring adjusts siphon switch, and the muddy water of part on siphon pipe bottom end is fallen in siphon, adjusts plus taps make
Water level reaches before siphon at identical height, and starting stirring switch stirring 30s, static 10min, realizes siphon again after the completion of stirring
Step repeats to add water, stirring, static, siphon step later, until stirred rear static 10min wash cup siphon pipe top is not
Until muddiness, last time siphon is completed；
Step 5: reducing lifting platform, it is placed on wash cup on pressure sensor, adjusts plus taps are embodied as wash cup and add water
Process reaches water level face at position identical with step 2, if being contained in wash cup at this time
Mass volume isV, remember that the registration of pressure sensor at this time isQ 3 , then：
Q 3 =G 1 +M+(V-G 1 /r)ρ（3）
Step 6: set roughing sand clay content asx, then：
x=G 2 /(G 1 +G 2 )×100% （4）
Simultaneous is above-mentioned（1）（2）（3）It can obtain roughing sand clay contentxFor：
x=G 2 /(G 1 +G 2 )×100%=(Q 2 -Q 3 )/(Q 2 -Q 1 )×100%
Step 7: starting output switch, obtains roughing sand clay content using the program finishedx, flushing pipeline, cleaning washed-out sand
Cup closes detection device.
Claims (4)
1. it is a kind of based on constant volume method measurement roughing sand clay content automatic device it is characterized in that：It includes water tank（1）, band stirring-head
Motor（2）, water level probe（3）, pressure sensor（4）, lifting platform（5）, display and operation plate（6）, solenoid valve（7）, water pipe
（8）, fixed bracket（9）, power supply box（10）；
Motor with stirring-head（2）It is fixed on fixed bracket（9）Top, stirring-head is at 160mm below motor；
Water tank（1）It is fixed on fixed bracket（9）Top and the motor with stirring-head（2）It inlays, water pipe（8）With water tank（1）The mouth of a river
It is connected, solenoid valve（7）It is connected in fixed position with water pipe（8）, three water level probes（3）It is fixed on the concentric circles of horizontal position
On, and height is different；
Fixed bracket（9）Bottom and power supply box（10）It is connected, power supply box（10）Place pressure sensor in top（4）, pressure sensing
Device（4）Place lifting platform in top（5）, power supply box（10）Front bevel places display operation plate.
2. a kind of automatic device based on constant volume method measurement roughing sand clay content according to claim 1, it is characterised in that：Water
Position probe（3）Diameter beФ6mm, tip conicity are 30o, material is fine copper.
3. a kind of automatic device based on constant volume method measurement roughing sand clay content according to claim 1, it is characterised in that：Water
Pipe（8）Internal diameter isФ6mm, material are stainless steel.
4. a kind of application automatic device realization constant volume method measurement based on constant volume method measurement roughing sand clay content described in claim 1
The specific implementation method of roughing sand clay content is：
Step 1: applying pressure sensor weighs the quality of sandG 0 , enableG 0 =G 1 +G 2 , whereinG 1 WithG 2 Respectively indicating quality isG 0
Roughing sand in non-mud part and mud part quality, and enableG 0 、G 1 、G 2 Specific gravity ber；
Step 2: wash cup is placed on pressure sensor, start detection device, adjusts plus taps are embodied as wash cup and add
Water process makes water crown to back wash cup bottom 125mm under the control of water level probe, if contained substance in wash cup at this time
Volume beV, the quality of wash cup isM, the specific gravity of waterρ=1.0×103 kg/m3, remember that the registration of pressure sensor at this time isQ 1 ,
Then:
Q 1 =M+Vρ（1）
Step 3: raising lifting platform makes water pipe distance from bottom wash cup bottom 10mm, siphon switch is adjusted, siphon pipe bottom is fallen in siphon
The water of part on end reduces lifting platform, is placed on wash cup on pressure sensor, and the sand sample weighed up is addedG 0 , adjust and add
Taps are embodied as wash cup and automatically add water process, and water level face is made to reach position identical with step 2 under the control of water level probe
Place is set, if contained mass volume is in wash cup at this timeV, remember that the registration of pressure sensor at this time isQ 2 , then：
Q 2 =M+G 1 +G 2 +(V-(G 1 +G 2 )/r)ρ（2）
Step 4: raising lifting platform, making water pipe distance from bottom wash cup bottom 10mm, mixing time is set, starting stirring switchs,
Static 10min after the completion of stirring adjusts siphon switch, and the muddy water of part on siphon pipe bottom end is fallen in siphon, adjusts plus taps make
Water level reaches before siphon at identical height, and starting stirring switch stirring 30s, static 10min, realizes siphon again after the completion of stirring
Step repeats to add water, stirring, static, siphon step later, until stirred rear static 10min wash cup siphon pipe top is not
Until muddiness, last time siphon is completed；
Step 5: reducing lifting platform, it is placed on wash cup on pressure sensor, adjusts plus taps are embodied as wash cup and add water
Process reaches water level face at position identical with step 2, if being contained in wash cup at this time
Mass volume isV, remember that the registration of pressure sensor at this time isQ 3 , then：
Q 3 =G 1 +M+(V-G 1 /r)ρ（3）
Step 6: set roughing sand clay content asx, then：
x=G 2 /(G 1 +G 2 )×100% （4）
Simultaneous is above-mentioned（1）（2）（3）It can obtain roughing sand clay contentxFor：
x=G 2 /(G 1 +G 2 )×100%=(Q 2 -Q 3 )/(Q 2 -Q 1 )×100%
Step 7: starting output switch, obtains roughing sand clay content using the program finishedx, flushing pipeline, cleaning washed-out sand
Cup closes detection device,
Roughing sand clay content can be acquired by above-mentioned steps obtained experimental data.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110782455A (en) * | 2019-11-19 | 2020-02-11 | 哈尔滨理工大学 | Novel method for determining mud content of raw sand based on image processing method |
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Application publication date: 20181130 |