CN113310841A - Powder material on-site sampling calibration device and method - Google Patents
Powder material on-site sampling calibration device and method Download PDFInfo
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- CN113310841A CN113310841A CN202010122637.3A CN202010122637A CN113310841A CN 113310841 A CN113310841 A CN 113310841A CN 202010122637 A CN202010122637 A CN 202010122637A CN 113310841 A CN113310841 A CN 113310841A
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- 239000000463 material Substances 0.000 title claims abstract description 134
- 239000000843 powder Substances 0.000 title claims abstract description 25
- 238000005070 sampling Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 238000005303 weighing Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 238000012546 transfer Methods 0.000 claims abstract description 7
- 229910052736 halogen Inorganic materials 0.000 claims description 12
- 150000002367 halogens Chemical class 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 6
- 238000010981 drying operation Methods 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 2
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010561 standard procedure Methods 0.000 abstract description 2
- 238000012795 verification Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- G01N5/045—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 for determining moisture content
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- General Health & Medical Sciences (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to the calibration of moisture measurement of powder materials, namely, a standard method (national metrological verification regulation) is adopted to measure an acquired sample to determine the moisture content of the powder materials, in particular to a device and a method for sampling and calibrating powder materials, which are arranged on a production site and can solve the problems of high labor cost, low working efficiency, untimely calibration and incapability of ensuring the measurement precision; the device comprises a material taking unit, a transfer unit and a weighing and heating unit; the material taking unit comprises a semicircular tube material taking device with a sharp front end and a lever structure, a material conveying belt is faced to a front end feeding port of the semicircular tube material taking device, the transferring unit comprises a disc-shaped rotary positioning device and a conveying belt, ten (a plurality of) sealing tanks are placed on the disc-shaped rotary positioning device, temperature sensors and heating rods are arranged in the sealing tanks, a steel wire mesh is arranged at the middle lower part of each sealing tank, a movable plate is arranged at the bottom of each sealing tank, and the weighing and heating unit comprises two balances and a drying bin.
Description
Technical Field
The invention belongs to the calibration of moisture measurement of powder materials, namely, the moisture content of the powder materials is determined by measuring collected samples by adopting a standard method (national metrological verification regulation), and particularly relates to a device and a method for sampling and calibrating powder materials, which are installed on a production site.
Background
It is well known that the moisture content of the sinter mix is an important factor affecting the efficiency of the sintering process. Therefore, the powder material moisture measuring device applied to the production field needs to be calibrated according to the regulations; at present, sampling, drying, weighing and other works are carried out manually, and then the moisture percentage content of the material is calculated by using a standard calculation formula; therefore, the labor cost is high, the working efficiency is low, the calibration is not timely, and the measurement precision cannot be guaranteed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the on-site sampling and calibrating device and method for the powder materials, which can solve the problems of high labor cost, low working efficiency, untimely calibration and incapability of ensuring the measurement precision.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a powder material on-site sampling calibration device comprises a material taking unit, a transfer unit and a weighing and heating unit; get the material unit and include the sharp semicircle pipe extracting device and the lever structure of front end, semicircle pipe extracting device's front end feed inlet department is facing to material conveyer belt, the transfer unit includes disc rotary positioning device and conveyer belt, places a plurality of seal pots on the disc rotary positioning device, be equipped with temperature sensor and heating rod in the seal pot, and temperature sensor fixes on the seal pot inside wall, and the heating rod output is located the seal pot middle part, and the wire net is equipped with to the lower part in the seal pot, and the wire net is located temperature sensor and heating rod below, and the seal pot bottom is equipped with the fly leaf, weigh the heating unit and include two balances and stoving storehouse, the front and back both sides in stoving storehouse all are equipped with the double door, and the guide rail is equipped with to inside below, and the halogen lamp of shining the guide rail is installed to the top.
Preferably, the balance and the balance are controlled by an electrical connection control system.
Preferably, the number of the seal cans is ten, but is not limited to ten.
A method for on-site sampling and calibrating powder materials comprises the following specific steps:
1) reclaiming operations
The front end feed inlet of the semicircular tube taking device 1 with the sharp front end faces a material conveying belt, after the materials enter the feed inlet, the materials can enter the sealing tanks 4 below the discharge outlet along the circular tube under the action of the lever structure 2, and meanwhile, the disc-shaped devices 3 supporting the sealing tanks 4 are rotationally positioned, so that each sealing tank 4 sequentially passes below the discharge outlet to complete material receiving;
2) operation of pouring
The sealed tank 4 filled with the materials sequentially reaches the position a along with the rotation of the disc device, at the moment, the movable plate 17 at the bottom of the sealed tank 4 is automatically opened, the screened materials fall into the material box 5 positioned right below, the material box 5 enters the rear weighing and heating unit B along the lower conveying belt 6, and meanwhile, the motor drives the gripper at the position a to pour out large-particle materials on the upper part of the steel wire mesh 16;
3) weighing operation
The material boxes 5 filled with the materials move to a balance 7 along a conveyor belt 6 in sequence, and wet materials are weighed at the balance 7;
4) drying operation
A double-layer door 9 at the inlet of the drying bin 8 is opened, the material boxes 5 enter a guide rail 10 in the drying bin 8, the double-layer door 9 is closed after the ten material boxes 5 sequentially enter the drying bin 8, a halogen lamp 11 above the drying bin 8 is opened, and materials to be tested in the material boxes 5 are heated and dried;
5) dried and weighed
After the halogen lamp 11 irradiates the object to be measured in the material box 5 for 3-5 hours, the object is considered to be completely dehydrated, at the moment, a double-layer door 12 at the outlet of the drying bin 8 is opened, ten material boxes 5 sequentially leave the drying bin 8 along the guide rail 10, then sequentially move to a balance 13 behind the drying bin 8 along the conveyor belt 6, and dry materials are weighed at the balance 13.
(III) advantageous effects
Compared with the prior art, the invention provides a powder material on-site sampling calibration device and method, which have the following beneficial effects: the electric control device coordinates the units to automatically complete field sampling, material pouring, transportation, wet material weighing, heating and drying, dry material weighing and material pouring recovery according to time sequence circulation, and completes calculation, display and data transmission of the moisture content of the powder, so that the problems of high labor cost, low working efficiency, untimely calibration and incapability of ensuring measurement precision are solved, errors caused by the influence of the external environment are particularly reduced, and the detection accuracy is improved.
Drawings
FIG. 1 is a schematic structural diagram of a powder material on-site sampling calibration device according to the present invention;
fig. 2 is a schematic structural diagram of a seal tank of the on-site sampling calibration device for powder and particle materials.
In the figure: 1. a semi-circular pipe taking device; 2. a lever structure; 3. a disc-shaped rotational positioning device; 4. sealing the tank; 5. a magazine; 6. a conveyor belt; 7. a balance; 8. a drying bin; 9. a double-layer door; 10. a guide rail; 11. a halogen lamp; 14. a temperature sensor; 15. a heating rod; 16. steel wire mesh; 17. a movable plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a powder material on-site sampling calibration device comprises a material taking unit a, a transfer unit B and a weighing and heating unit C, wherein the material taking unit a comprises a semicircular tube material taking device 1 with a pointed front end and a lever structure 2, a material conveying belt is faced to a front end feed inlet of the semicircular tube material taking device 1, after the material enters the feed inlet, the material can enter a sealed tank 4 along a circular tube under the action of the lever structure 2, the transfer unit B comprises a disc-shaped rotary positioning device 3 and a conveying belt 6, a plurality of sealed tanks 4 are arranged on the disc-shaped rotary positioning device 3 and can rotate along with the disc 3, the sealed tank 4 can prevent the water of the material poured into the sealed tank from evaporating, a temperature sensor 14 and a heating rod 15 are arranged in the sealed tank 4, the temperature sensor 14 is fixed on the inner side wall of the sealed tank 4, the output end of the, the constant temperature in the sealed tank 4 can be kept, frosting caused by the fact that the temperature of materials is lower than a dew point in winter is prevented, a steel wire mesh 16 is arranged at the middle lower portion of the sealed tank 4 and is located below a temperature sensor 14 and a heating rod 15, the steel wire mesh is used for screening powder materials, a movable plate 17 is arranged at the bottom of the sealed tank 4, the materials can be poured out through electrical control, a conveying belt 6 can convey the material box 5 to two balances 7 and a drying bin 8 in sequence, a weighing and heating unit C comprises the two balances 7 and the drying bin 8, double-layer doors 9 are arranged on the front side and the rear side of the drying bin 8, a guide rail 10 is arranged below the inner portion of the sealed tank, and a halogen lamp 11 for irradiating the guide rail is arranged above the sealed tank; the balance 7 and the balance 13 transmit the weighing data to a special computer through an electric connection control system, and the average value, the standard deviation and the like of the moisture content are calculated in the computer; the number of the seal cans 4 is ten, but not limited to ten, and different circular discs 3 and seal cans 4 can be adopted to meet the requirements of different sample numbers.
A method for on-site sampling and calibrating powder materials comprises the following specific steps:
1 reclaiming operation
The front end feed inlet of the semicircular tube taking device 1 with the sharp front end faces a material conveying belt, after the materials enter the feed inlet, the materials can enter the sealing tanks 4 below the discharge outlet along the circular tube under the action of the lever structure 2, and meanwhile, the disc-shaped device of the sealing tanks 4 is supported to rotate and position, so that each sealing tank 4 sequentially passes below the discharge outlet to complete material receiving;
2 pouring operation
The sealed tank 4 filled with the materials sequentially reaches the position a along with the rotation of the disc device, at the moment, the movable plate 17 at the bottom of the sealed tank 4 is automatically opened, the screened materials fall into the material box 5 positioned right below, the material box 5 enters the rear weighing and heating unit CB along the lower conveying belt 6, and meanwhile, the motor drives the hand grip at the position to pour out large-particle materials on the upper part of the steel wire mesh 16;
3 weighing operation
The material boxes 5 filled with the materials move to a balance 7 along a conveyor belt 6 in sequence, and wet materials are weighed at the balance 7;
4 drying operation
A double-layer door 9 at the inlet of the drying bin 8 is opened, the material boxes 5 enter a guide rail 10 in the drying bin 8, the double-layer door 9 is closed after the ten material boxes 5 sequentially enter the drying bin 8, a halogen lamp 11 above the drying bin 8 is opened, and materials to be tested in the material boxes 5 are heated and dried;
5 drying and weighing
After the halogen lamp 11 irradiates the object to be measured in the material box 5 for 3-5 hours, the object is considered to be completely dehydrated, at the moment, the double-layer door 9 at the outlet of the drying bin 8 is opened, the ten material boxes 5 sequentially leave the drying bin 8 along the guide rail 10, then sequentially move to the balance 7 behind the drying bin 8 along the conveyor belt 6, and dry materials are weighed at the balance 7.
When the powder material on-site sampling calibration device is used, a feed inlet of a semicircular tube taking device 1 with a sharp front end samples materials, after the materials enter the feed inlet, the materials can enter a seal tank 4 below a discharge outlet along a circular tube under the action of a lever structure 2, a steel wire mesh 16 is arranged at the middle lower part of the seal tank 4 and is used for filtering and screening the materials, the materials with small particles enter the bottom of the seal tank through the steel wire mesh 16, meanwhile, a disc-shaped device 2 of the seal tank 4 is supported to rotate and position, each seal tank 4 finishes material receiving sequentially below the discharge outlet, the seal tank 4 sequentially reaches a position a along with the continuous rotation of the disc-shaped device 2, at the moment, a movable plate 17 at the bottom of the seal tank 4 is automatically opened, the screened materials fall into a material box 5 positioned right below, and meanwhile, a motor drives a gripper at the position a to pour large-particle materials on the upper part of the steel wire mesh 16, ten sealed tanks 4 finish the material pouring operation in turn, then the material box 5 filled with materials moves to the balance 7 in turn along the conveyor belt, the wet material is weighed at the balance 7, the measured data is transmitted to a special computer, then the double door 9 at the inlet of the drying bin 8 is opened, the material box 5 enters the guide rail 10 in the drying bin 8, after the ten material boxes 5 enter the drying bin 8 in turn, the double door 9 is closed, the halogen lamp 11 above the drying bin 8 is opened, the material to be measured in the material box 5 is heated and dried, after the halogen lamp 11 irradiates the material to be measured in the material box 5 for 3-5 hours, the double door 12 at the outlet of the drying bin 8 is opened, the ten material boxes 5 leave the drying bin 8 in turn along the guide rail 10, then move to the balance 13 behind the drying bin 8 in turn along the conveyor belt 6, the dry material is weighed at the balance 13, and the measured data is transmitted to the special computer, and (3) calculating the moisture content, the average value and the standard deviation of each sample in a computer, moving the material box 5 to a waste recovery part b along with the belt 6 after weighing is finished, and recovering the material and the material box.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A powder material on-site sampling calibration device is characterized in that: the device comprises a material taking unit A, a transfer unit B and a weighing and heating unit C; the material taking unit A comprises a semicircular tube material taking device (1) with a sharp front end and a lever structure (2), a material conveying belt is faced to a front end feeding port of the semicircular tube material taking device (1), the transfer unit B comprises a disc-shaped rotary positioning device (3) and a conveying belt (6), a plurality of seal pots (4) are placed on the disc-shaped rotary positioning device (3), temperature sensors (14) and heating rods (15) are arranged in the seal pots (4), the temperature sensors (14) are fixed on the inner side walls of the seal pots (4), the output ends of the heating rods (15) are located in the middle of the seal pots (4), steel wire meshes (16) are arranged on the middle lower portion of the seal pots (4), the steel wire meshes (16) are located below the temperature sensors (14) and the heating rods (15), a movable plate (17) is arranged at the bottom of the seal pots (4), the weighing and heating unit C comprises two balances (7) and a drying bin (8), the front side and the rear side of the drying bin (8) are both provided with double-layer doors (9), the lower part of the interior is provided with a guide rail (10), and the upper part is provided with a halogen lamp (11) irradiating the guide rail (10).
2. The on-site sampling calibration device for powder materials as claimed in claim 1, wherein: the two balances (7) are electrically connected with a control system.
3. The on-site sampling calibration device for powder materials as claimed in claim 1, wherein: the number of the sealed tanks (4) is ten, but not limited to ten.
4. A powder material on-site sampling calibration method for calibrating by using the powder material on-site sampling calibration device of any one of claims 1 to 3, comprising the following steps:
1) reclaiming operations
A material conveying belt is faced at a front-end feeding port of the semicircular tube taking device (1) with a sharp front end, after the material enters the feeding port, the material can enter a sealing tank (4) below the discharging port along a circular tube under the action of a lever structure (2), and meanwhile, a disc-shaped device supporting the sealing tank (4) is rotationally positioned, so that each sealing tank (4) sequentially passes below the discharging port to complete material receiving;
2) operation of pouring
The sealed tank (4) filled with materials sequentially reaches the position a along with the rotation of the disc device, at the moment, a movable plate (17) at the bottom of the sealed tank (4) is automatically opened, the screened materials fall into a material box (5) located right below, the material box (5) enters a rear weighing and heating unit CB along a lower conveying belt (6), and meanwhile, a motor drives a hand grip at the position to pour out large-particle materials on the upper part of a steel wire mesh (16);
3) weighing operation
The material boxes (5) filled with the materials move to a balance (7) along a conveyor belt (6) in sequence, and wet materials are weighed at the balance (7);
4) drying operation
A double-layer door (9) at the inlet of the drying bin (8) is opened, the material boxes (5) enter a guide rail (10) in the drying bin (8), the double-layer door (9) is closed after the ten material boxes (5) sequentially enter the drying bin (8), a halogen lamp (11) above the drying bin (8) is opened, and materials to be tested in the material boxes (5) are heated and dried;
5) dried and weighed
After the halogen lamp (11) irradiates the object to be measured in the material box (5) for 3-5 hours, the object is considered to be completely dehydrated, at the moment, a double-layer door (9) at the outlet of the drying bin (8) is opened, ten material boxes (5) sequentially leave the drying bin (8) along with a guide rail (10), then the object sequentially moves to a balance (7) behind the drying bin (8) along a conveyor belt (6), and dry materials are weighed at the balance (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010122637.3A CN113310841A (en) | 2020-02-27 | 2020-02-27 | Powder material on-site sampling calibration device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010122637.3A CN113310841A (en) | 2020-02-27 | 2020-02-27 | Powder material on-site sampling calibration device and method |
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| CN113310841A true CN113310841A (en) | 2021-08-27 |
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| CN202010122637.3A Pending CN113310841A (en) | 2020-02-27 | 2020-02-27 | Powder material on-site sampling calibration device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114345777A (en) * | 2021-11-15 | 2022-04-15 | 苏州利华科技股份有限公司 | Rotary hot-pressing equipment with automatic conveying function |
| CN115598316A (en) * | 2022-10-17 | 2023-01-13 | 宁波市甬蓝检测有限公司（Cn） | Waste water detection equipment |
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| CN114345777A (en) * | 2021-11-15 | 2022-04-15 | 苏州利华科技股份有限公司 | Rotary hot-pressing equipment with automatic conveying function |
| CN115598316A (en) * | 2022-10-17 | 2023-01-13 | 宁波市甬蓝检测有限公司（Cn） | Waste water detection equipment |
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Application publication date: 20210827 |