CN219625294U - Fineness measuring device in superfine grinding processing of fodder - Google Patents
Fineness measuring device in superfine grinding processing of fodder Download PDFInfo
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- CN219625294U CN219625294U CN202222895385.5U CN202222895385U CN219625294U CN 219625294 U CN219625294 U CN 219625294U CN 202222895385 U CN202222895385 U CN 202222895385U CN 219625294 U CN219625294 U CN 219625294U
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Abstract
The utility model discloses a fineness measuring device in feed superfine grinding processing, which is mainly a detection host integrated with a central control system, wherein the detection host is sequentially provided with a sampling auger, a feeding chute, a measuring chamber, a laser diffractometer, a high-speed camera and a discharging chute according to sampling and measuring processes, a feed inlet of the sampling auger is connected with the wall of the flow chute after the superfine grinding machine, a discharge outlet of the sampling auger is connected with a feed end of the feeding chute, the discharge end of the feeding chute and the feed end of the discharging chute are respectively arranged at two ends of the measuring chamber, and the two sides of the measuring chamber are respectively provided with the laser diffractometer and the high-speed camera for detection. According to the utility model, after the feed is processed and crushed, full-intelligent unmanned on-line fineness monitoring can be realized, full-process closed automatic sampling, detection and recovery can be realized in a processed powder line, the fineness of the powder and a real-time monitoring result can be monitored in real time through a central control system, and an alarm can be automatically prompted once the fineness is monitored to exceed the standard.
Description
Technical Field
The utility model relates to a fineness measuring technology in feed processing, in particular to a fineness measuring device in feed superfine grinding processing.
Background
In the feed processing process, most of the existing modes of powder fineness measurement still comprise manual sampling, manual testing and manual recording, basically, 10-15 minutes are consumed every time in a manual measurement mode, the detection frequency is uncontrollable, the on-time sampling, testing and recording cannot be guaranteed, and certain errors exist in measurement of different people.
Currently, automatic measuring devices are also used for a small part. For example, chinese patent document publication No. CN109046735a, publication No. 2018, 12, 21, discloses a device and method for automatically adjusting product particle size during crushing processing in the field of feed and food processing. The device includes crushing mechanism, with crushing mechanism matched with detection mechanism and regulation and control crushing mechanism and detection mechanism's PLC controller, crushing mechanism includes superfine grinder and pipeline, superfine grinder includes the working chamber, set up in the reducing mechanism of working chamber bottom, set up in the classifying wheel at working chamber top and control classifying motor of classifying wheel rotational speed, pipeline's port sets up in classifying wheel top, detection mechanism includes from last automatic timing sampling device that sets gradually down, first weighing device, vibrator and weighing device once more. However, it can be seen that such measuring devices still mimic the manual sampling process, and after sampling, require sieving, weighing and recalculation.
At present, the measuring device cannot meet the existing automatic production, so that a fully-automatic measuring device needs to be designed.
Disclosure of Invention
The utility model aims to solve the problems, and aims to provide a fineness measuring device in feed ultrafine grinding processing, which realizes on-line fineness monitoring, monitors the fineness of powder in real time through an intelligent central control system interface and displays the monitoring result in real time, and can automatically prompt and give an alarm once the fineness is monitored to be out of standard.
The technical scheme of the utility model is as follows:
the utility model provides a fineness measuring device in superfine grinding processing of fodder, mainly is with the detection host computer of well accuse system integration, the detection host computer has set gradually sample auger, pay-off elephant trunk, measuring chamber, laser diffractometer, high-speed camera and row's material elephant trunk according to the flow of taking a sample, and the feed inlet of sample auger is connected with the flow elephant trunk pipe wall behind the superfine grinder, and the pan feeding end of pay-off elephant trunk is connected to the discharge gate of sample auger, and measuring chamber both ends are arranged respectively in to the discharge end of pay-off elephant trunk and the pan feeding end of row's material elephant trunk, and laser diffractometer, the high-speed camera that is used for detecting are installed respectively to the measuring chamber both sides.
The diameter of the feeding chute is 1 cm-2 cm, and the feeding time is more than 10 seconds in each measurement; the diameter of the discharge chute is required to be 1 cm-2 cm, and the diameter of the discharge chute is larger than or equal to the diameter of the feeding chute.
The pressure index of the compressed air in the feeding chute is as follows: the pressure was >0.5bar.
The compressed air pressure index of the discharge chute is as follows: the pressure was >0.4bar.
The discharging end of the feeding chute and the feeding end of the discharging chute are respectively connected with a compressed air hose, and the feeding chute and the discharging chute perform spraying action by means of compressed air, so that discharging spraying and feeding spraying are performed synchronously.
The main structure of the measuring chamber is made of aluminum alloy, and a glass observation port is formed in the upper portion and the lower portion of the measuring chamber respectively.
The laser diffractometer and the high-speed camera are fixedly arranged on two sides of the measuring chamber through the bracket and the bolts.
The output result of the laser diffractometer needs to have granularity distribution data, the resolution of the high-speed camera needs to be larger than 1628 multiplied by 1236, and the maximum frame rate needs to be more than or equal to 90fps.
The distance between the laser diffractometer and the powder in the measuring chamber is about 3cm, and the distance between the high-speed camera and the powder in the measuring chamber is about 2cm.
The discharge end of the discharge chute is connected with the return flow chute, so that the measured materials can return to the processing flow without loss.
The measuring device is also provided with a field controller for controlling the work of the detection host.
The inspection process realized by the utility model is as follows:
the detection host is arranged at a post-flow chute of the superfine pulverizer; when sampling is carried out, the sampling auger is controlled to be opened at regular time by the central control system, when the sampling auger is opened, materials enter the feeding chute through the sampling auger, the materials in the feeding chute are accelerated to enter the measuring chamber through compressed air, the measuring chamber is used for detecting 10-165 mu m of material particles (large particle laser reflection signals are strong to form strong light spot signals, small particle laser reflection signals are weak to form weak aperture signals) through laser diffraction, the high-speed camera is used for detecting 107-5000 mu m of material particles (projection areas of large particles are comprehensively measured, particle sizes are calculated, equal circular areas of the large particles are calculated), the equivalent circular areas of the particles are automatically counted by the system, and the crushing fineness is automatically calculated; and after the measurement is completed, the flow path slide pipe returns to the flow path slide pipe through the discharge slide pipe.
The beneficial effects achieved by the utility model are as follows:
according to the utility model, the fineness is monitored on line, manual sampling, manual testing and manual recording are completely replaced, unmanned fineness detection is realized, full-automatic real-time monitoring and rapid sampling detection can be realized through control of a central control system, the detection frequency can be adjusted as required, fool-proof and error-proof effects are realized, and the product quality is controllable; the detection process is pollution-free, and the measured materials can automatically flow back to the processing process flow line; the projection area and the particle size of the large particles can be comprehensively measured, the equal circular area of the large particles is calculated, the equivalent circular area of the particles is automatically counted, the crushing fineness is automatically calculated, and automatic unmanned detection is realized.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Wherein, the reference numerals are as follows: 1-sampling auger, 2-feeding chute, 3-measuring chamber, 4-laser diffractometer, 5-high-speed camera, 6-discharging chute, 7-flow chute after superfine pulverizer and 8-compressed air hose.
Detailed Description
Example 1
As shown in fig. 1, the utility model provides a fineness measuring device in feed ultrafine grinding processing, which mainly comprises a detection host integrated with a central control system, wherein the detection host is arranged on a flow chute 7 behind an ultrafine grinding machine for feed processing. According to the sampling and measuring processes, the detection host is provided with a sampling auger 1, a feeding chute 2, a measuring chamber 3, a laser diffractometer 4, a high-speed camera 5 and a discharging chute 6. Wherein: the sampling auger 1 is arranged on the side of the pipe wall of the flow chute 7 behind the superfine pulverizer, a feed inlet of the sampling auger 1 is connected with a material in the flow chute 7, and a discharge outlet of the sampling auger 1 is connected with a feed end of the feeding chute 2; the discharge end of the feeding chute 2 and the feed end of the discharging chute 6 are respectively arranged at two ends of the measuring chamber 3, and the two sides of the measuring chamber 3 are respectively provided with a laser diffractometer 4 and a high-speed camera 5 for detection.
The diameter of the feeding chute 2 is 1 cm-2 cm, and the feeding time is more than 10 seconds in each measurement; the diameter of the discharging chute 6 is required to be 1 cm-2 cm, and the diameter of the discharging chute 6 is larger than or equal to the diameter of the feeding chute 2.
The main structure of the measuring chamber 3 is made of aluminum alloy, and a glass observation port is arranged at the upper part and the lower part of the main structure.
In this embodiment, the laser diffractometer 4 and the high-speed camera 5 are fixedly installed on two sides of the measuring chamber 3 through a bracket and bolts. The laser diffractometer 4 and the high-speed camera 5 are fixedly arranged on two sides of the measuring chamber 3 through a bracket and bolts. The output result of the laser diffractometer 4 needs to have granularity distribution data, the resolution of the high-speed camera 5 needs to be larger than 1628 multiplied by 1236, and the maximum frame rate needs to be more than or equal to 90fps. Meanwhile, the distance between the laser diffractometer 4 and the powder of the measuring chamber 3 is about 3cm, the distance between the high-speed camera 5 and the powder of the measuring chamber 3 is about 2cm, and the discharge end of the discharge chute 6 is connected back to the process chute 7, so that the measured materials can return to the processing flow without loss.
Correspondingly, the measuring device can be further configured with a site controller for controlling the detection host to work, and the site electrical control cabinet is installed at a fixed place nearby.
In this embodiment, the discharge end of the discharge chute 6 is connected back to the process chute 7.
The measuring device of above-mentioned structure, when specifically being used for detecting 80 mesh (180 mu m) material, the testing process of realization is as follows:
(1) When sampling is performed, the sampling auger 1 is controlled to be opened at fixed time through the central control system;
(2) When the sampling auger 1 is opened, materials are conveyed to the feeding end of the feeding chute 2 through the sampling auger 1, the materials in the feeding chute 2 enter the measuring chamber 3 through compressed air in an accelerating mode, the measuring chamber 3 is used for detecting 10-165 mu m of material particles (large particle laser reflection signals are strong to form strong light spot signals, small particle laser reflection signals are weak to form weak aperture signals) through laser diffraction, the high-speed camera 5 is used for detecting 107-5000 mu m of material particles (projection areas of large particles are comprehensively measured, particle sizes are calculated, equal circular areas of the large particles are calculated), the equivalent circular areas of the particles are automatically counted, and the crushing fineness is automatically calculated;
(3) After the measurement is completed, the materials return to the process chute 7 through the discharge chute 6, so that the materials are not polluted in the measurement process, and the materials can be returned to the processing technology without waste.
Example 2
On the basis of the embodiment 1, the pressure index of the compressed air in the feeding chute 2 is as follows: the pressure is more than 0.5bar, and the compressed air pressure index of the discharge chute 6 is as follows: the pressure was >0.4bar. The feeding chute 2 and the discharging chute 6 perform the spraying action by compressed air, and the discharging spraying and the feeding spraying are performed synchronously.
In this embodiment, the feeding chute 2 is a cast diamond-closed pipe with a diameter of 1.5cm, and the pressure index of compressed air in the feeding chute 2 is: the material in the feed chute 2 can be accelerated into the measuring chamber 3 by compressed air of a corresponding pressure >0.5bar.
The discharge chute 6 is a cast diamond-closed pipe with the diameter of 1.7cm, and the pressure index of compressed air in the discharge chute 6 is as follows: the pressure was >0.4bar. The material in the discharge chute 6 can be rapidly discharged out of the measuring chamber 3 by means of compressed air of a corresponding pressure.
A discharge end of the feeding chute 2 and a feed end of the discharging chute 6 are respectively connected with a compressed air hose 8; the pressure and the speed of compressed air in the feeding chute 2 and the discharging chute 6 can be adjusted through the central control system.
Example 3
Based on the embodiment 1 or 2, the measuring chamber 3 has a cuboid structure, the main body of the measuring chamber 3 is made of aluminum alloy, and the upper part and the lower part of the measuring chamber are respectively provided with a glass observation port.
The upper end of the side wall of the cuboid measuring container is provided with an opening I for connecting the feeding chute 2, so that powder can uniformly fall to the bottom of the container; the lower end of the side wall is provided with a second opening, and the second opening is close to the bottom of the container and is used for being connected with a discharging chute 6.
Furthermore, the measuring chamber 3 can be automatically cleaned, and even if the feeding auger does not work, the measuring chamber 3 can be cleaned by only opening feeding and discharging compressed air, and also can be cleaned manually.
Through the practical application of the utility model, the detection result can be displayed in real time through the operation interface of the central control system; setting a target value and an upper limit value of granularity through a central control system, automatically alarming once the detected value exceeds the upper limit range and the lower limit range of the target value, and automatically reducing the frequency of a motor of the classifying wheel by the system when the detected value is higher than the upper limit of the target value to reduce the rotating speed of the classifying wheel; when the detection value is smaller than the upper limit of the target value, the fineness is too low, the system automatically increases the frequency of the motor of the classifying wheel, the rotating speed of the classifying wheel is increased, and when the detection value is between the upper limit and the lower limit of the target value, the system is not changed.
Claims (7)
1. The utility model provides a fineness measuring device in superfine grinding processing of fodder which characterized in that: the detection host integrated with the central control system is adopted, the detection host is sequentially provided with a sampling auger (1), a feeding chute (2), a measuring chamber (3), a laser diffractometer (4), a high-speed camera (5) and a discharging chute (6) according to the sampling and measuring processes, a feed inlet of the sampling auger (1) is connected with the pipe wall of the flow chute (7) behind the superfine pulverizer, a discharge outlet of the sampling auger (1) is connected with a feed end of the feeding chute (2), a discharge end of the feeding chute (2) and a feed end of the discharging chute (6) are respectively arranged at two ends of the measuring chamber (3), and the laser diffractometer (4) and the high-speed camera (5) for detection are respectively arranged at two sides of the measuring chamber (3); the diameter of the feeding chute (2) is 1 cm-2 cm, the feeding time is more than 10 seconds in each measurement, the diameter of the discharging chute (6) is 1 cm-2 cm, the diameter of the discharging chute (6) is larger than or equal to the diameter of the feeding chute (2), and a discharge end of the feeding chute (2) and a feed end of the discharging chute (6) are respectively connected with a compressed air hose (8); the pressure index of compressed air in the feeding chute (2) is as follows: the pressure is >0.5bar; the compressed air pressure index of the discharge chute (6) is as follows: the pressure was >0.4bar.
2. The fineness measuring device in feed superfine grinding processing according to claim 1, characterized in that: the main structure of the measuring chamber (3) is made of aluminum alloy, and a glass observation port is arranged at the upper part and the lower part of the main structure.
3. The fineness measuring device in feed superfine grinding processing according to claim 1, characterized in that: the resolution of the high-speed camera (5) needs to be larger than 1628 multiplied by 1236, and the maximum frame rate needs to be more than or equal to 90fps.
4. The fineness measuring device in feed superfine grinding processing according to claim 1, characterized in that: the distance between the laser diffractometer (4) and the powder in the measuring chamber (3) is 3cm.
5. The fineness measuring device in feed superfine grinding processing according to claim 1 or 4, characterized in that: the distance between the high-speed camera (5) and the powder of the measuring chamber (3) is 2cm.
6. The fineness measuring device in feed superfine grinding processing according to claim 1, characterized in that: the discharge end of the discharge chute (6) is connected with the return flow chute (7).
7. The fineness measuring device in feed superfine grinding processing according to claim 1, characterized in that: the measuring device is also provided with a field controller for controlling the work of the detection host.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222895385.5U CN219625294U (en) | 2022-11-01 | 2022-11-01 | Fineness measuring device in superfine grinding processing of fodder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222895385.5U CN219625294U (en) | 2022-11-01 | 2022-11-01 | Fineness measuring device in superfine grinding processing of fodder |
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| Publication Number | Publication Date |
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| CN219625294U true CN219625294U (en) | 2023-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222895385.5U Active CN219625294U (en) | 2022-11-01 | 2022-11-01 | Fineness measuring device in superfine grinding processing of fodder |
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| Country | Link |
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| CN (1) | CN219625294U (en) |
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- 2022-11-01 CN CN202222895385.5U patent/CN219625294U/en active Active
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