Batching system for granular materials

Abstract

The utility model provides a batching system for granular materials. The batching system comprises a frame body, and a raw material bin, a quick feeding mechanism, a micro feeding mechanism, a checkweight feeding mechanism, a finished product container and a control system which are arranged on the frame body. The rapid feeding mechanism and the micro feeding mechanism are arranged on the raw material bin and the weight checking feeding mechanism, the finished product container is arranged below the weight checking feeding mechanism, and the rapid feeding mechanism, the micro feeding mechanism and the weight checking feeding mechanism are all in communication connection with the control system. In the batching process, the control system controls the rapid feeding mechanism to conduct rapid feeding in the early stage and controls the micro feeding mechanism to conduct slow feeding in the final feeding stage till the needed weight is reached, and then the weight checking feeding mechanism discharges materials into a finished product material container. The batching system for the granular materials has the advantages of fast feeding in the early stage so as to guarantee efficiency and slow feeding in the last stage so as to guarantee precision.

Description

TECHNICAL FIELD

[0001] The utility model relates to the automatic production and detection technical field especially relates to a kind of batching system of granular material. BACKGROUND

[0002] In numerous industrial production processes, such as chemical industry, food, pharmaceutical, smelting and other industries, accurate batching operation of granular material is often required. To improve the batching efficiency, the traditional granular material batching system often uses a rapid discharging method, but it often leads to a decrease in batching accuracy. SUMMARY

[0003] The utility model aims at at least one of the technical problems existing in the prior art. To this end, the utility model provides a batching system for granular material, which aims to solve the problem of decreased batching accuracy caused by the use of a rapid discharging method to improve the batching efficiency in related technology.

[0004] The utility model provides a kind of batching system for granular material, including frame body and be set on the raw material bin, quick feeding mechanism, micro-feeding mechanism, check weight feeding mechanism, finished product container and control system in the frame body, wherein:

[0005] The quick feeding mechanism and the micro-feeding mechanism are both arranged between the discharge port of the raw material bin and the feed port of the check weight feeding mechanism, and the finished product container is arranged below the discharge port of the check weight feeding mechanism. The quick feeding mechanism, the micro-feeding mechanism and the check weight feeding mechanism are all in communication connection with the control system.

[0006] According to the batching system for granular material provided by the utility model, a first weighing module is further arranged between the raw material bin and the frame body, and the first weighing module is in communication connection with the control system.

[0007] According to the batching system for granular material provided by the utility model, the quick feeding mechanism includes a discharge pipe and a vibrating distributor, the feed port of the discharge pipe is in communication with the discharge port of the raw material bin, the vibrating distributor is arranged below the discharge port of the discharge pipe, the discharge end of the vibrating distributor is located above the feed port of the check weight feeding mechanism, the vibrating distributor is in communication connection with the control system, and the control system is used to control the vibration frequency of the vibrating distributor.

[0008] According to the granular material batching system, the micro-feeding mechanism comprises a material supplementing assembly and a micro-feeding disc array machine, a feeding inlet of the material supplementing assembly is connected with the raw material bin, a discharging outlet of the material supplementing assembly is located above a feeding inlet of the micro-feeding disc array machine, a discharging outlet of the micro-feeding disc array machine is located above a feeding inlet of the weight-checking feeder, the material supplementing assembly and the micro-feeding disc array machine are in communication connection with the control system, the control system is used for controlling the opening and closing of the material supplementing assembly, and the control system is used for controlling the feeding speed of the micro-feeding disc array machine.

[0009] According to the granular material batching system, a second weighing module is further arranged between the micro-feeding disc array machine and the frame body, and the second weighing module is in communication connection with the control system.

[0010] According to the granular material batching system, the weight-checking feeding mechanism comprises a first weight-checking feeder and a second weight-checking feeder, a feeding inlet of the first weight-checking feeder is connected with the rapid feeding mechanism and the discharging outlet of the micro-feeding mechanism, a feeding inlet of the second weight-checking feeder is connected with the discharging outlet of the first weight-checking feeder, and a discharging outlet of the second weight-checking feeder is located above a feeding inlet of the finished product container.

[0011] According to the granular material batching system, the first weight-checking feeder comprises a third weighing module and a first turnover discharging mechanism, the third weighing module is arranged between the first turnover discharging mechanism and the frame body, and the third weighing module and the first turnover discharging mechanism are in communication connection with the control system.

[0012] The second weight-checking feeder comprises a fourth weighing module and a second turnover discharging mechanism, the fourth weighing module is arranged between the second turnover discharging mechanism and the frame body, and the fourth weighing module and the second turnover discharging mechanism are in communication connection with the control system.

[0013] The feeding end of the first turnover discharging mechanism is located below the discharging end of the rapid feeding mechanism, the feeding end of the second turnover discharging mechanism is located below the discharging end of the first turnover discharging mechanism, and the finished product container is located below the discharging end of the second turnover discharging mechanism.

[0014] According to the granular material batching system, a hoisting mechanism is further arranged on the frame body, and the hoisting mechanism can at least move to above the raw material bin.

[0015] According to the granular material batching system, the control system comprises a PLC controller.

[0016] The utility model provides a granular material's batching system, still be provided with work platform on the frame body, work platform setting at the one side of raw material bin.

[0017] The utility model has the following advantages:

[0018] The utility model provides a granular material's batching system, including frame body and setting raw material bin, quick feeding mechanism, micro -feeding mechanism, check -weighing feeding mechanism, finished material container and control system on the frame body. Quick feeding mechanism and micro -feeding mechanism all set up between the discharge gate of raw material bin and the feed inlet of check -weighing feeding mechanism, and finished material container sets up below the discharge gate of check -weighing feeding mechanism, and quick feeding mechanism, micro -feeding mechanism and check -weighing feeding mechanism all are connected with control system communication. In the batching process, granular material is placed in raw material bin, and control system controls quick feeding mechanism and puts to the check -weighing feeding mechanism, and when control system detects that the weight of material in check -weighing feeding mechanism reaches the preset percentage of required material weight, controls quick feeding mechanism and closes, and opens micro -feeding mechanism, and micro -feeding mechanism slowly feeds to check -weighing feeding mechanism, and when control system detects that the weight of material in check -weighing feeding mechanism reaches the required material weight, control system controls micro -feeding mechanism and closes, then controls check -weighing feeding mechanism and feeds material to finished material container. The utility model provides a granular material's batching system, can pass through quick feeding mechanism and quickly feeds until the preset percentage to guarantee batching efficiency, then slowly feeds to the hundred percent through micro -feeding mechanism to guarantee the precision of batching, solves the problem that only through quick feeding in the related art guarantees the batching efficiency and sacrifices the batching precision. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and for ordinary skilled in the art, other drawings can also be obtained without creative labor according to these drawings.

[0020] Fig. 1 It is the structure schematic view of granular material's batching system provided by an embodiment of the utility model;

[0021] Fig. 2 It is the structure schematic view of first check -weighing feeding machine and second check -weighing feeding machine provided by an embodiment of the utility model;

[0022] Fig. 3 It is the structure schematic view of vibrating distributor provided by an embodiment of the utility model.

[0023] Reference signs:

[0024] 100: frame body; 210: raw material bin; 220: first weighing module; 310: discharging pipe; 320: vibrating distributor; 410: make-up chute; 420: micro-feeding disc array machine; 430: second weighing module; 510: first check-weighing feeder; 520: second check-weighing feeder; 600: finished product container; 700: hoisting mechanism. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme of the present application will be described clearly and completely below in combination with the drawings in the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0027] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.

[0028] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood broadly, for example, can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] In the present application, unless otherwise expressly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0030] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present application and the features of different embodiments or examples without contradiction.

[0031] The granular material batching system provided by the present application comprises a frame body, a raw material bin, a rapid feeding mechanism, a micro feeding mechanism, a weight checking and feeding mechanism, a finished material container and a control system arranged on the frame body. The rapid feeding mechanism and the micro feeding mechanism are arranged between the discharge port of the raw material bin and the inlet of the weight checking and feeding mechanism, and the finished material container is arranged below the discharge port of the weight checking and feeding mechanism. The rapid feeding mechanism, the micro feeding mechanism and the weight checking and feeding mechanism are in communication connection with the control system. During the batching process, the granular material is placed in the raw material bin, the control system controls the rapid feeding mechanism to rapidly discharge to the weight checking and feeding mechanism, when the control system detects that the weight of the material in the weight checking and feeding mechanism reaches the preset percentage of the required material weight, the rapid feeding mechanism is controlled to be closed, and the micro feeding mechanism is opened, the micro feeding mechanism slowly discharges into the weight checking and feeding mechanism, when the control system detects that the weight of the material in the weight checking and feeding mechanism reaches the required material weight, the control system controls the micro feeding mechanism to be closed, and then controls the weight checking and feeding mechanism to discharge the material into the finished material container. The granular material batching system provided by the present application can rapidly discharge through the rapid feeding mechanism until the preset percentage to ensure the batching efficiency, and then slowly discharge through the micro feeding mechanism to 100% to ensure the accuracy of batching, solving the problem of sacrificing the batching accuracy in the related art by only using the rapid discharge method to ensure the batching efficiency.

[0032] The following will be combined Figs. 1 to 3The utility model discloses a granular material's batching system.

[0033] The utility model discloses an embodiment provides a granular material's batching system, including frame body 100 and setting raw material bin 210, quick feeding mechanism, micro feeding mechanism, check weighing feeding mechanism, finished product material container 600 and control system on frame body 100.

[0034] Raw material bin 210 can be pyramid funnel structure, and raw material bin 210 is detachably connected on frame body 100, and the top opening of raw material bin 210 is feed inlet, and the bottom opening is discharge port.

[0035] Quick feeding mechanism is set below raw material bin 210, and the feed inlet of quick feeding mechanism is connected with the discharge port of raw material bin 210, and the discharge port of quick feeding mechanism is connected with the feed inlet of check weighing feeding mechanism, so that when quick feeding mechanism is opened, the material in raw material bin 210 can be quickly fed into check weighing feeding mechanism through quick feeding mechanism.

[0036] Micro feeding mechanism is set between raw material bin 210 and check weighing feeding mechanism, and a discharge port is also set on the side of raw material bin 210 close to the bottom, and the feed inlet of micro feeding mechanism is connected with the discharge port, and the discharge port of micro feeding mechanism is connected with the feed inlet of check weighing feeding mechanism, so that micro feeding mechanism can slowly feed into check weighing feeding mechanism.

[0037] Finished product material container 600 can be finished product material cylinder, and the top opening of finished product material cylinder forms feed inlet, and finished product material cylinder is located below the discharge port of check weighing feeding mechanism and is used for containing material.

[0038] Among them, quick feeding mechanism, micro feeding mechanism and check weighing feeding mechanism are all connected with control system.

[0039] During batching, control system first receives the weight information of required material, then controls quick feeding mechanism to quickly guide the material in raw material bin 210 into check weighing feeding mechanism, and control system receives the weight information returned by check weighing feeding mechanism in real time, when the weight measured by check weighing feeding mechanism reaches the preset percentage of the weight of required material, control system controls quick feeding mechanism to be closed and terminates quick feeding.

[0040] Then, control system controls micro feeding mechanism to be opened, and the material is slowly fed into check weighing feeding mechanism through micro feeding mechanism, when the weight measured by check weighing feeding mechanism reaches the weight of required material, control system controls micro feeding mechanism to be closed and terminates feeding.

[0041] Finally, check weighing feeding mechanism feeds the material into finished product material container 600 and completes batching.

[0042] The batching system of the granular material provided by the embodiment of the utility model can discharge 80% or 90% of the required weight through the rapid feeding mechanism to ensure the efficiency of batching, and then slowly discharge the remaining required material through the micro-feeding mechanism to ensure the accuracy of batching, thereby solving the problem of ensuring the efficiency by only using the rapid feeding mechanism in the related art, and sacrificing the accuracy of batching.

[0043] In some embodiments, a first weighing module 220 is further arranged between the raw material bin 210 and the frame body 100, and the first weighing module 220 is in communication connection with the control system. The first weighing module 220 is used to detect the weight of the raw material bin 210 containing the material, and the control system can convert the weight change into the material level information in the raw material bin 210 to monitor the material level in the raw material bin 210.

[0044] In some embodiments, the rapid feeding mechanism includes a discharging pipe 310 and a vibrating distributor 320. The top end of the discharging pipe 310 is a feeding port, and the bottom end is a discharging port. The feeding port of the discharging pipe 310 is connected with the discharging port of the raw material bin 210. The vibrating distributor 320 is arranged below the discharging pipe 310, and the feeding end of the vibrating distributor 320 is connected with the discharging port of the discharging pipe 310 to receive the material from the discharging pipe 310. The discharging end of the vibrating distributor 320 is located above the feeding port of the weighing and feeding mechanism, so that the material on the vibrating distributor 320 can fall into the weighing and feeding mechanism.

[0045] The vibrating distributor 320 is in communication connection with the control system, and the control system is used to control the vibration frequency of the vibrating distributor 320 to control the discharging speed of the vibrating distributor 320.

[0046] In some embodiments, the micro-feeding mechanism includes a feeding assembly and a micro-feeding disc array machine 420.

[0047] The feeding assembly includes a feeding chute 410 and a control valve arranged in the feeding chute 410. The top end of the feeding chute 410 is a feeding port, and the bottom end is a discharging port. A discharging port is further arranged on the side of the raw material bin 210 near the bottom, which is used to connect with the feeding port of the feeding chute 410. The micro-feeding disc array machine 420 is arranged below the feeding chute 410, and the feeding end of the micro-feeding disc array machine 420 is connected with the discharging port of the feeding chute 410, so that the feeding chute 410 can guide the material into the micro-feeding disc array machine 420.

[0048] The control valve in the feeding chute 410 is in communication with the control system. When the control system opens the control valve, the feeding chute 410 is open, and the material can be guided into the micro-feeding disc array machine 420. When the control system closes the control valve, the feeding chute 410 is closed, and the material cannot enter the micro-feeding disc array machine 420 through the feeding chute 410.

[0049] The micro-feeding disc array machine 420 is in communication with the control system, and the control system can control the discharging speed of the micro-feeding disc array machine 420.

[0050] In some embodiments, a second weighing module 430 is further arranged between the micro-feeding disc array machine 420 and the frame body 100, and the second weighing module 430 is in communication with the control system.

[0051] In use, the second weighing module 430 sends the detected weight information to the control system in real time. When the weight information received by the control system is 20% of the full load weight of the micro-feeding disc array machine 420, the control system opens the control valve, and the material is fed into the micro-feeding disc array machine 420 through the feeding chute 410. When the weight information received by the control system is 80% of the full load weight of the micro-feeding disc array machine 420, the control system closes the control valve.

[0052] It should be noted that the above-mentioned 20% and 80% are only exemplary and do not limit the protection scope of the present application. For example, when the weight information received by the control system is 10% of the full load weight of the micro-feeding disc array machine 420, the control system opens the control valve, or when the weight information received by the control system is 90% of the full load weight of the micro-feeding disc array machine 420, the control system closes the control valve.

[0053] In some embodiments, the weighing and feeding mechanism includes a first weighing and feeding machine 510 and a second weighing and feeding machine 520. The feeding port of the first weighing and feeding machine 510 is connected to the discharging port of the rapid feeding mechanism and the micro-feeding mechanism, and is used for weighing the material for the first time. The feeding port of the second weighing and feeding machine 520 is connected to the discharging port of the first weighing and feeding machine 510, and is used for weighing the material for the second time. The discharging port of the second weighing and feeding machine 520 is located above the feeding port of the finished product container 600.

[0054] When the material is being prepared, the first weighing and feeding machine 510 is used for weighing the material for the first time, and the second weighing and feeding machine 520 is used for weighing the material for the second time. When the data of the two times of weighing are consistent, the second weighing and feeding machine 520 transfers the material into the finished product container 600, so as to further ensure the accuracy of the preparation.

[0055] In some embodiments, the first weight-checking feeder 510 comprises a third weighing module and a first turnover feeding mechanism, the third weighing module is arranged between the first turnover feeding mechanism and the frame 100, and the third weighing module and the first turnover feeding mechanism are both in communication connection with the control system.

[0056] The second weight-checking feeder 520 comprises a fourth weighing module and a second turnover feeding mechanism, the fourth weighing module is arranged between the second turnover feeding mechanism and the frame 100, and the fourth weighing module and the second turnover feeding mechanism are both in communication connection with the control system.

[0057] The third weighing module is used for detecting the weight of the material in the corresponding first turnover feeding mechanism, the fourth weighing module is used for detecting the weight of the material in the corresponding second turnover feeding mechanism, and the third weighing module and the fourth weighing module are both in communication connection with the control system, for sending the detected weight information to the control system.

[0058] The feeding end of the first turnover feeding mechanism is located below the discharging end of the rapid feeder, the feeding end of the second turnover feeding mechanism is located below the discharging end of the first turnover feeding mechanism, and the finished product container is located below the discharging end of the second turnover feeding mechanism.

[0059] The first turnover feeding mechanism is in communication connection with the control system, and the control system is used for controlling the first turnover feeding mechanism to turn over to pour the material into the second turnover feeding mechanism when the received weight is equal to the required material weight.

[0060] The second turnover feeding mechanism is in communication connection with the control system, and the control system is used for controlling the second turnover feeding mechanism to turn over to pour the material into the finished product container 600 when the received weight is equal to the required material weight.

[0061] In some embodiments, a hoisting mechanism 700 is further arranged on the top of the frame 100, the hoisting mechanism 700 can at least move to above the raw material bin 210, and the hoisting mechanism 700 is used for supplementing the raw material bin 210.

[0062] In some embodiments, the control system can comprise a PLC controller.

[0063] In some embodiments, a working platform is further arranged on the frame 100, the working platform is arranged on one side of the raw material bin 210, and the working platform can be used for an operator to stand on.

[0064] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than limit them. Although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the technical solutions recorded in the foregoing embodiments can be modified, or some or all of the technical features can be replaced equivalently. Such modifications or replacements do not change the essence of the corresponding technical solutions, which should be covered in the scope of the claims and the specification of the present application. In particular, the technical features mentioned in each embodiment can be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A batching system for particulate material, characterized by The device comprises a frame (100), a raw material bin (210), a rapid feeding mechanism, a micro-feeding mechanism, a weight-checking feeding mechanism, a finished product container (600) and a control system. The rapid feeding mechanism and the micro-feeding mechanism are arranged between the discharge port of the raw material bin (210) and the feeding port of the weight-checking feeding mechanism, and the finished product container (600) is arranged below the discharge port of the weight-checking feeding mechanism.

2. A bulk material dosing system according to claim 1, characterised in that, The first weighing module (220) is arranged between the raw material bin (210) and the frame (100), and is in communication connection with the control system.

3. A bulk material dosing system according to claim 1, wherein, The rapid feeding mechanism comprises a discharge pipe (310) and a vibrating distributor (320), the feeding port of the discharge pipe (310) is in communication with the discharge port of the raw material bin (210), the vibrating distributor (320) is arranged below the discharge port of the discharge pipe (310), the discharge end of the vibrating distributor (320) is located above the feeding port of the weight-checking feeding mechanism, the vibrating distributor (320) is in communication connection with the control system, and the control system is used for controlling the vibration frequency of the vibrating distributor (320).

4. A bulk material dosing system according to claim 1, wherein, The micro-feeding mechanism comprises a feeding assembly and a micro-feeding disc array machine (420), the feeding port of the feeding assembly is connected with the raw material bin (210), the discharge port of the feeding assembly is located above the feeding port of the micro-feeding disc array machine (420), the discharge port of the micro-feeding disc array machine (420) is located above the feeding port of the weight-checking feeding machine, the feeding assembly and the micro-feeding disc array machine (420) are in communication connection with the control system, the control system is used for controlling the opening and closing of the feeding assembly, and the control system is used for controlling the feeding speed of the micro-feeding disc array machine (420).

5. A bulk material dosing system according to claim 4, wherein, The second weighing module (430) is arranged between the micro-feeding disc array machine (420) and the frame (100), and is in communication connection with the control system.

6. A bulk material dosing system according to claim 1, wherein, The weight-checking feeding mechanism comprises a first weight-checking feeding machine (510) and a second weight-checking feeding machine (520), the feeding port of the first weight-checking feeding machine (510) is connected with the discharge ports of the rapid feeding mechanism and the micro-feeding mechanism, the feeding port of the second weight-checking feeding machine (520) is connected with the discharge port of the first weight-checking feeding machine (510), and the discharge port of the second weight-checking feeding machine (520) is located above the feeding port of the finished product container (600).

7. A bulk material dosing system according to claim 6, wherein, The first weight-checking feeding machine (510) comprises a third weighing module and a first turnover discharging mechanism, the third weighing module is arranged between the first turnover discharging mechanism and the frame (100), and the third weighing module and the first turnover discharging mechanism are in communication connection with the control system. The second weighing feeder (520) comprises a fourth weighing module and a second turnover discharging mechanism, the fourth weighing module is arranged between the second turnover discharging mechanism and the frame body (100), and the fourth weighing module and the second turnover discharging mechanism are in communication connection with the control system; The feeding end of the first turnover discharging mechanism is located below the discharging end of the rapid feeding mechanism, the feeding end of the second turnover discharging mechanism is located below the discharging end of the first turnover discharging mechanism, and the finished product container (600) is located below the discharging end of the second turnover discharging mechanism.

8. A bulk material dosing system according to claim 1, wherein, The frame body (100) is further provided with a hoisting mechanism (700), and the hoisting mechanism (700) can at least move to above the raw material bin (210).

9. A bulk material dosing system according to claim 1, wherein, The control system comprises a PLC controller.

10. A bulk material dosing system according to claim 1, wherein, The frame body (100) is further provided with a working platform, and the working platform is arranged on one side of the raw material bin (210).

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