A quasi-dynamic component on-line detection apparatus and method

Abstract

The present application relates to the technical field of feeding device, in particular to a kind of quasi-dynamic component on-line detection equipment and method, including detection device ontology, detection device ontology includes first batching device, second batching device, main batching belt conveyor and component detection device;First batching device and second batching device add same material, using the mode of rectangular pulse is operated;First batching device and second batching device are fed to main batching belt conveyor;First, first batching device accelerates operation to ensure that the cross section of material on main batching belt conveyor is constant, after accelerating batching reaches the unloading position of second batching device, second batching device stops running, while component detection device starts detecting material;After detection is completed, second batching device starts to continue running, and first batching device restores initial state, solve the problem that many kinds of existing batching system cannot realize component detection while feeding.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of feeding device, in particular to a quasi-dynamic component online detection method. BACKGROUND

[0002] The batching plant system is an auxiliary equipment in the mechanized storage and transportation system of cement, coal, metallurgical industry and some chemical production enterprises, which mainly functions to continuously and uniformly feed the processed or unprocessed materials from a certain equipment (hopper, storage bin, etc.) to the receiving equipment or transportation machinery, and has realized the batching according to the set component ratio.

[0003] The batching plant system for mine is used to uniformly or quantitatively feed the materials from the material storage bin or other material storage equipment to the receiving equipment, and is an essential equipment for implementing the automation of flow production. In the current industrial production, the component detection of materials is one of the indispensable links.

[0004] There are many types of existing batching systems, but few of them can realize the component detection while feeding, so a method capable of simultaneously completing feeding and detection is needed to reduce manpower and simplify the production process. SUMMARY

[0005] The present application aims to provide a quasi-dynamic component online detection method, which aims to solve the problem that there are many types of existing batching systems, but they cannot realize the component detection while feeding.

[0006] To achieve the above-mentioned purpose, in the first aspect, the present application provides a quasi-dynamic component online detection device, which comprises a detection device body, the detection device body comprises a first batching device, a second batching device, a main batching belt conveyor and a component detection device, the first batching device is arranged on the top of the main batching belt conveyor, the second batching device is arranged on the top of the main batching belt conveyor, and the component detection device is arranged on the second batching device.

[0007] The first batching device comprises a first discharging bin, a first feeding disc and a first batching belt scale, the first feeding disc is arranged on the lower edge of the first discharging bin, and the first batching belt scale is arranged on the bottom of the first feeding disc. The second batching device comprises a second discharging bin, a second feeding disc and a second batching belt scale, the second feeding disc is arranged on the lower edge of the second discharging bin, and the second batching belt scale is arranged on the bottom of the second feeding disc.

[0008] In the second aspect, the present application provides a quasi-dynamic component online detection method, which comprises the following steps:

[0009] The first batching device and the second batching device add the same material and operate in the mode of rectangular pulse.

[0010] The first feeding device and the second feeding device feed the main feeding belt conveyor;

[0011] When a certain time elapses, the second feeding device stops running, the component detection device starts detecting the material, and the first feeding device accelerates running to ensure that the cross section of the material on the main feeding belt conveyor is constant;

[0012] After the detection is completed, the second feeding device starts running again, and the first feeding device returns to the initial state.

[0013] The component detection device adopts an infrared component detector and a microwave moisture meter to detect the moisture and component content of the powder particle material on line.

[0014] The time period during which the second feeding device stops running and the first feeding device accelerates running to ensure that the cross section of the material on the main feeding belt conveyor is constant comprises:

[0015] The second feeding disc and the second feeding belt scale stop running, the component detection device detects the material, and the first feeding disc accelerates running to make the material in the first discharging bin quickly enter the main feeding belt conveyor, thereby ensuring that the cross section of the material on the main feeding belt conveyor is constant.

[0016] The quasi-dynamic component on-line detection device comprises a first feeding device and a second feeding device, which feed the same material and run in a rectangular pulse mode. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments or the prior art description will be briefly introduced.

[0018] Figure 1 Fig. 1 is a structural diagram of a quasi-dynamic component on-line detection device.

[0019] Figure 2 Fig. 2 is a structural diagram of a main feeding belt conveyor. Figure 1 Fig. 3 is a structural diagram of a first discharging bin.

[0020] Figure 3 Fig. 4 is a structural diagram of a second discharging bin. Figure 1 Fig. 5 is a structural diagram of a feeding disc.

[0021] Figure 4 shown is Figure 1 the structure diagram of the first ingredient belt scale.

[0022] Figure 5 shown is Figure 1 the structure diagram of the ingredient detection device.

[0023] Figure 6 shown is Figure 1 the structure diagram of the main ingredient belt.

[0024] Figure 7 shown is the pulse signal diagram for controlling the second feeding disc.

[0025] Figure 8 shown is the pulse signal diagram for controlling the first feeding disc.

[0026] Figure 9 is the flow chart of a quasi-dynamic ingredient online detection method.

[0027] 1-first ingredient bin, 2-second ingredient bin, 3-first feeding disc, 4-second feeding disc, 5-first ingredient belt scale, 6-second ingredient belt scale, 7-ingredient detection device, 8-main ingredient belt machine, 9-first ingredient device, 10-second ingredient device. DETAILED DESCRIPTION

[0028] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0029] First aspect

[0030] Please refer to Figures 1-2 , Figure 1 is a structure diagram of a quasi-dynamic ingredient online detection device of the present application; Figure 2 shown is Figure 1 the structure diagram of the first ingredient bin; Figure 3 shown is Figure 1 the structure diagram of the feeding disc; Figure 4 shown is Figure 1 the structure diagram of the first ingredient belt scale; Figure 5 shown is Figure 1 the structure diagram of the ingredient detection device; Figure 6 shown is Figure 1 the structure diagram of the main ingredient belt; Figure 7The pulse signal diagram for controlling the second feeding disc is shown. Figure 8 The pulse signal diagram for controlling the first feeding disc is shown. Figure 2 (A) is a first discharging bin, (B) is a second discharging bin, Figure 3 (C) is a first feeding disc, (D) is a second feeding disc, Figure 4 (E) is a first batching belt scale 5, (F) is a second batching belt scale,

[0031] The application provides a quasi-dynamic component online detection device, which comprises a first batching device, a second batching device, a main batching belt conveyor 8, a component detection device 7, a first discharging bin 1, a first feeding disc 3 and a first batching belt scale 5, a second discharging bin 2, a second feeding disc 4 and a second batching belt scale 6.

[0032] In the embodiment, the device body comprises the first batching device 9, the second batching device 10, the main batching belt conveyor 8 and the component detection device 7, the first batching device 9 is arranged on the top of the main batching belt conveyor 8, the second batching device 10 is arranged on the top of the main batching belt conveyor 8, the component detection device 7 is arranged on the second batching device 10, the first batching device 9 and the second batching device 10 add the same material and operate in the mode of rectangular pulse; the first batching device 9 and the second batching device 10 feed the main batching belt conveyor 8; when the component needs to be detected, firstly, the first batching device 9 accelerates operation under the condition that the cross section of the material on the main batching belt conveyor 8 is constant; when the accelerated discharging position of the first batching device 9 reaches the discharging position of the second batching device 10, the second batching device 10 stops operation, and at the same time, the component detection device 7 starts to detect the material, after the detection is completed, the second batching device 10 starts to continue operation, and the first batching device 9 returns to the initial state, thereby solving the problem that the existing batching system has many types but cannot realize component detection while feeding.

[0033] The first batching device 9 comprises the first discharging bin 1, the first feeding disc 3 and the first batching belt scale 5, the first feeding disc 3 is arranged on the lower edge of the first discharging bin 1, and the first batching belt scale 5 is arranged on the bottom of the first feeding disc 3; the second batching device 10 comprises the second discharging bin 2, the second feeding disc 4 and the second batching belt scale 6, the second feeding disc 4 is arranged on the lower edge of the second discharging bin 2, and the second batching belt scale 6 is arranged on the bottom of the second feeding disc 4; the first discharging bin 1 and the second discharging bin 2 are used for storing materials, the first feeding disc 3 is used for feeding the first batching belt, and the second feeding disc 4 is used for feeding the second batching belt.

[0034] The application is a quasi-dynamic component on-line detection device, in which the first and second dosing devices 9 and 10 are used to add the same material, and the rectangular pulse mode is used for operation; the first and second dosing devices 9 and 10 are used to feed the main dosing belt conveyor 8; first, the first dosing device 9 is accelerated to ensure that the cross section of the material on the main dosing belt conveyor 8 is constant; after the accelerated dosing reaches the unloading position of the second dosing device 10, the second dosing device 10 stops running, and the component detection device 7 starts to detect the material; after the detection is completed, the second dosing device 10 is started to continue running, and the first dosing device 9 returns to the initial state, thereby solving the problem that the existing dosing system has many types, but cannot realize the component detection while feeding.

[0035] Second aspect

[0036] Please refer to Figure 9 , Figure 9 is a flow chart of a quasi-dynamic component on-line detection method.

[0037] The application provides a quasi-dynamic component on-line detection method, which comprises the following steps:

[0038] S1 the first and second dosing devices are used to add the same material, and the rectangular pulse mode is used for operation;

[0039] Specifically, the material in the first and second dosing devices is a certain value, that is:

[0040] S1V1+S2V2=C

[0041] In the formula, S1 and S2 respectively represent the cross-sectional area of the material flow on the dosing belt scale, V1 and V2 respectively represent the running speed of the dosing belt scale, and C is a certain material flow;

[0042] The running state of the first dosing device is the rectangular pulse mode, which can be represented as:

[0043] V1(t)=V a (t=a)+V b (t=b)

[0044] In the formula, t is time, a and b represent two time periods in the period T, and a+b=T; V b >V a , V b =V1+V2;

[0045] The running state of the second dosing device is the rectangular pulse mode, which can be represented as:

[0046] V2(t)=V a (t=a)+V0(t=b);

[0047] S2 the first dosing device and the second dosing device feed the main dosing belt conveyor;

[0048] Specifically, the first dosing disc 3 is used to feed the first dosing belt scale, and the first dosing belt scale is used to feed the main dosing belt conveyor, and the second dosing disc is used to feed the second dosing belt scale, and the second dosing belt scale is used to feed the main dosing belt conveyor;

[0049] S3 when the composition needs to be detected, the first dosing device accelerates the feeding under the condition that the cross section of the material on the main dosing belt conveyor is constant, and when the feeding position of the first dosing device reaches the feeding position of the second dosing device, the second dosing device stops running, and the composition detection device starts to detect the material;

[0050] Specifically, when the composition detection device detects, the rectangular pulse running state of the second dosing device can be represented as: V2(t) = V0(t = b) = 0, and when the detection is stopped, V2(t) = V0(t = a). a ;

[0051] The composition detection device adopts an infrared composition detector and a microwave moisture meter to detect the moisture and composition content of the powder particle material online.

[0052] The second dosing disc and the second dosing belt scale stop running, the composition detection device detects the material, and the first dosing disc 3 accelerates the running to make the material in the first feeding bin quickly enter the main dosing belt conveyor, so as to ensure the constant cross section of the material on the main dosing belt conveyor.

[0053] The center distance of the two sets of dosing devices is L, and the running speed of the main dosing belt is V l , and the delay time is t = L / V l .

[0054] The cross-sectional area S1 of the material flow on the dosing belt scale can be represented as:

[0055] S1 = C / V1.

[0056] S4 after the detection is completed, the second dosing device starts to continue running, and the first dosing device returns to the initial state.

[0057] The above only discloses a preferred embodiment of the present application, and of course cannot limit the scope of the present application, and those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the present application still belong to the scope of the present application.

Claims

1. A quasi-dynamic online component detection method, employing a quasi-dynamic online component detection device. The device includes a detection device body, the device body comprising a first batching device, a second batching device, a main batching belt conveyor, and a component detection device. The first batching device is disposed on top of the main batching belt conveyor, the second batching device is disposed on top of the main batching belt conveyor, and the component detection device is disposed on the second batching device. The first batching device includes a first feeding hopper, a first feeding disc, and a first batching belt scale. The first feeding disc is disposed below the first feeding hopper, and the first batching belt scale is disposed at the bottom of the first feeding disc. The second batching device includes a second feeding hopper, a second feeding disc, and a second batching belt scale. The second feeding disc is disposed below the second feeding hopper, and the second batching belt scale is disposed at the bottom of the second feeding disc. The method is characterized in that... Includes the following steps: The first and second batching devices add the same material and operate using a rectangular pulse method; The first and second batching devices feed materials to the main batching belt conveyor. After the preset time, the first batching device accelerates while ensuring that the cross-section of the material on the main batching conveyor remains constant. When the accelerated feeding area of ​​the first batching device reaches the feeding position of the second batching device, the second batching device stops running, and at the same time, the component detection device begins to detect the material. After the test is completed, the first batching device returns to its initial state, and the second batching device starts to continue operation.

2. The quasi-dynamic online component detection method as described in claim 1, characterized in that, The component detection device uses an infrared component detector and a microwave moisture meter to detect the moisture and component content of powder and granular materials online.

3. The quasi-dynamic online component detection method as described in claim 2, characterized in that, The period during which the second batching device stops operating while the first batching device accelerates to ensure a constant cross-sectional area of ​​material on the main batching conveyor belt includes: The second feeding disc and the second batching belt scale stop operating, the component detection device detects the material, and the first feeding disc speeds up its operation so that the material in the first discharge bin can quickly enter the main batching belt conveyor, ensuring that the cross-sectional area of ​​the material on the main batching belt conveyor remains constant.

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