TW542818B - Pneumatic transportation system and method for powder and grain - Google Patents

Abstract

The subject of this invention is to provide a pneumatic transportation system and method for powder and grain, capable of accurately transporting powder and grain by a specified amount, using simple constitution. The solution of this invention is that this system is provided with a transport pipe 18 generating a pneumatic flow 17, a hopper 14 installed in an upstream of the transport pipe 18, and a weighing tank 16 equipped in a downstream of the transport pipe 18. A control means 28 is connected to the equipment hereinbefore, and a weight of a rice 12 and a weight increase rate with respect to a lapse of time are calculated to judge thereby a stop point of a rotary feeder 20.

Description

542818

TECHNICAL FIELD The present invention relates to a powder air conveying system and an air conveying method, and particularly to a powder air conveying system and an air conveying method suitable for accurately conveying powder from a hopper to a measuring storage tank. Know-how

The conventional blended (Blend) rice is a mixture of rice from different varieties or production places. The mixed rice in the powder state is mixed by using a mixed rice mixing device 6 as shown in FIG. 5. In the same figure, various types of white rice A, b, c, D, etc. that have undergone the process of polished rice or bran removal are stored in a plurality of white rice storage tanks 63A, 63B, 63C, and 63D, respectively. And each mixed measuring machine 65A, 65B, 65C, 65D ... is connected to the plurality of white rice storage tanks 63A, 63B, 63C, 63D. For example, the white rice A, b, and c that were smashed into mixed rice on the 4th is moved by the mixed meter i 6 6 A, 6 5 B, 6 5 C while falling on the first conveyor 6 7 Open. The white rice A, B, and C are loaded on the first vertical conveyor 69 and transported upward, and are then stored in the mixed storage tank 7 丨. Then white rice A,

B and C were transferred from the mixed storage tank 7 1 to the selection device 3, and after being selected to a predetermined size of white rice, they passed the second conveyor 75, the second vertical conveyor 7 7 and the brother. 3 conveyors 7 8 ′ and are stored in a plurality of mixed rice measuring tanks 79A, 79B, 79C, etc. in each of the mixed rice measuring tanks 79A, 0A, 0 , 79C ... are connected to the designated weight discharge device (end-measurement machine) 8 丨 A, 8 丨 b, 81 C, 8 1 D .... For example, mixed rice A, β, and C are designated for discharge by weight.

542818 V. Description of the invention (2) Set (end-measurement machine) 8 1 A to measure the weight and fall on the fourth conveyor 8 3 while being transported away. The transported mixed rice A, B, and C are transported above the third vertical conveyor 85, and the foreign matter is removed by the pick-up device 87, and the metal detector 89 is used to check the mixed metal and Its removed. The mixed rice A, B, and C after removing the foreign matter are transported upward by the fourth vertical conveyor 91, and then stored in the measuring storage tank 95 via the fifth conveyor 93. The mixed rice A, B, and C stored in the measuring storage tank 95 are transferred to the packaging equipment 97 while being measured in the measuring storage tank 95, and are packaged to a predetermined weight and then shipped. The problem to be solved by the invention is that the tank product is used for increasing the mixing of rice, so the storage of the designated rice delivery device and the measuring device also cause problems. For example, most of the meter storage equipment is a synthetic mixed-loaded rice output device. For the mixed rice-mixed device shown in FIG. 5, the used storage requires white rice storage tanks, Multiple types of product storage tanks, such as mixed storage tanks, mixing tanks, and measuring tanks, also require a wide installation space. It is also known that it is composed of a plurality of types of product storage tanks and conveyors, etc. It takes a lot of time to carry out time-consuming transportation before rice loading, and it also requires a predetermined number of mixed rice storage tanks and weights (end-level measuring machines). ). In addition, in this mixing device, it is necessary to move a conveyor, and the necessary materials such as metal or plastic for foreign matter such as measuring conveyors used for measuring rice in various projects. At the same time, various types of machinery are required to complicate the equipment. 2. Most maintenance and cleaning work causes high costs. The purpose of the present invention is to focus on the conventional problems mentioned above.

542818

It can be correct with a simple structure. 5. Description of the invention (3) Air conveying system and air conveying method Convey powder with just the specified weight. Means to solve the problem In order to achieve the inclusion of f in the system, the funnel installed in the inside, obtains the powder weight signal of the powder in the powder to the above, and the flow hopper is placed above the air supply pipe of the air supply device, and is installed on the powder. It is the same as the structure in the funnel which can calculate the value of the body weight of the powder to an arbitrary funnel. The above-mentioned purpose is provided with the weight of the metering storage body of the conveying pipe installed on the aforementioned body, the value of which reaches the control in the setting funnel. The present invention relates to the When the front weight reaches the set value, each of the devices obtained in the funnel described in the present invention can be used to convey the tank under the pipe on the upstream side of the pipe, and the device can be lost when the weight is increased by a fixed value. The powder air transports the air powder to the aforementioned powder through the above-mentioned funnel and the weight provided by the above-mentioned funnel adds the weight to the front control device to output the powder. The powder uses the relevant powder to generate and supply the powder to the flow. The side transmission front is calculated to be located on the front and into the aforementioned powder conveying system. The conveying pipe in the conveying pipe is stirred by the conveying to the input of the metering powder. The stop of the supply in the metering storage tank during the conveyance of the above-mentioned conveying pipe by the air-flow rotation includes: having a plurality of leaking pipes provided in this round to obtain a front measurement storage tank, and a storage tank in the middle of the pipe feeding The powder stop supply signal will be mixed by multiple slots

_ 丨 You + Like -N, 卯 J Day g Supply powder to the conveying pipe The conveying method includes: passing through the funnel when it is located on the downstream side of the conveying pipe

542818 V. Description of the invention quot " '— When the above-mentioned powder is obtained from the metering storage tank, the weight increase trend of the powder in the metering storage tank is calculated. In order to make use of this trend, the aforementioned powder: $ The weight of the body can be consistent with the set value. Calculate in advance how long it takes to stop the funnel, and supply the powder to the funnel according to the time difference. τ The previous function uses the above-mentioned structure. After starting the air supply device to send air in the pipe, from the funnel t provided on the upstream side of the pipe, the powder = moves from the air stream to the downstream side of the pipe. The powder to the bottom & side is contained in the measuring tank. This strictness = the volume storage tank is made to be able to measure the contained powder, so the weight of the powder is increased by 2 times. Therefore, it is used to make the weight of the powder in the storage tank to be measured. The current time is before the weight of the powder in the storage tank is measured before the weight of the powder is measured. Time, located in the measurement; just a few seconds before the set value is reached (provide rice in the measured value of the uncle ’s weight and weight in the evening. In this way, calculate the weight of the measured weight), you need to stop the funnel to set A few seconds before the value, the value of the powder weight measurement in the 2 chute should be measured, and the funnel should stop supplying rice. The control device is based on 彳 and τ stop. However, even if the funnel is stopped, the device is still in operation and after the supply of the roll f is stopped, the delivery air is generated in the delivery officer. Therefore, it is located in 7081-4553-PF; AHDDUB.ptd $ 8. Page 5 V. INTRODUCTION-^ 7 flow $, the powder on the way moves through the downstream side where the transport gas stays and is charged after the funnel stops. Storage tank. At this time, because it is the same as before, the staff member stopped the funnel in advance to measure the weight of the powder in the middle of the conveying pipe, and = just the correct amount of powder was stored in the measuring storage tank. Ji Dan also has the ability to mix the powder into the tank while mixing the transfer tube with a plurality of funnels, so that a mixed powder with the correct mixing ratio can be produced. That is to say, after putting different kinds of powders into the plurality of funnels mentioned above, a specific powder is sent to the measuring storage tank from f to t. The control as described above calculates the stop time of any funnel based on the weight of the powder stored in the measuring tank and its reversion, plus the trend ', so the correct amount of powder can be delivered from the bucket to the measuring tank. Inside the slot. Then, after the powder of Ren = i is transferred into the measuring storage tank, the powder of type F is supplied from other hoppers, and the powder with a preset weight, that is, Z °, is transferred from the plural In one funnel, the powders are sequentially conveyed to the metering storage six n. The powders can be collected in a healthy storage tank according to a preset mixing ratio (weight ratio). After the powder with the mixing ratio set in advance is stored in the meter, the metering tank is rotated to perform the mixing operation. Will be: ί: 3 If you use a metering tank for mixing? It can be mixed with the powder with a ratio. Embodiments of the Invention The following is a detailed description of the preferred body-phase, gas-body gas transportation system, and air system suitable for the present gas transportation method. The structure of the powder air rotary system

542818 V. Description of the invention (6) The explanatory diagram 'is the whole diagram of the system, and the same diagram (2) is an enlarged view of the part A in the same diagram (1). As shown in these drawings, in the powder air conveying system 10 related to this embodiment, a funnel 丨 4 for inputting rice 12 as powder is provided on the conveyance inlet side, and in the system 丨 〇 A metering storage tank 16 for obtaining the aforementioned meter 12 is provided on the output port side. Then, in order to connect these funnels 14 to the metering storage tank 16, a delivery pipe 18 for feeding gas is provided. Although a group of powdered milk feeding system 10 is shown in the same figure, it is not limited to this type, and a plurality of powdered powdered air delivery systems can also be arranged vertically and connected, and It constitutes a method in which the delivery target rice 12 is put into each processing project. The lower part of the funnel 14 is arranged on the side of the entrance of the conveyance for the input of rice 12. The lower part of the funnel 14 is shaped like a cone, and the front end is connected to the side of the conveying pipe 18). On the way, a rotary feeding device 20 is provided: The rotary feeding device 20 is opposite to the rotary configuration blade 22, and the figure is used to remove the sweat ^ ^ ^ At the A,, p ”port T does not show the electric The motor rotates it, so that ^ back to 鳇 ... the rice 12 in the bucket 14 can be put into the conveying pipe 18. Because of the setting of the bucket 14, it is transported sideways: ΐ ^ J 2: The pressure in the soil conveying pipe 18 is transmitted to the funnel. The rice 12 in 14 cannot be dropped, and the pressure in == 18 causes a bad condition in the leak 18, and the rice 12 cannot be supplied to the starting end of the conveying pipe 18. Then the blower 24 is started and the The blower 24 that can supply air flows toward the metering tank 16. The wheel is generated inside the Π. There are 3 flexures on the 4 side 18 of the funnel 1, which is called ^^ 17. It is also conveyed in the same figure. In order to prevent the transmission of rice 12 and

7081-4553-PF; AHDDUB.ptd Page 10 V. Description of the invention (7) The inside of the above-mentioned conveying pipe ^ is made with large rounded corners to conflict and smash, so as far as possible, the buckled part is in the conveying pipe 18: ft Energy in conflict is better. At the end of the system, there is a delivery end 16 through the winter end, that is, the delivery outlet side 16 of the system. The metering tank for meter 12 is obtained by describing the conveying pipe 18; the metering weight of the meter 12 of I * 1 6 and the double Z f are obtained by measuring t through the aforementioned pipe 18-to the load sensor 26 U: = With the control installed on the side of the metering tank 16 ϋΠ: The gas conveying system 10 is electrically connected as shown in the figure through the signal lines 3 °, 32 and the funnel " The load sensor 26 on the return slot 16, and then 28 is receiving the weight sent from the load sensor, ΐυΐ = 12 weight of the meter located in the middle of the transport pipe 18, and ΐ ΐ consider that this is halfway in the transport pipe ^ The weight of rice 12 in the storage tank is equal to the weight of the weight, and the weight of the rice powder is equal to 3 weights. It is the meter 12 of the specified weight to the metering storage and transportation system 10 ′. The transportation is just set. First, it is set to be transported to Γί: 1, two journeys and explained. ^ ^ ^ The rules for rice 12 in Er 16 1 12 After entering this value into the control device 28, it will be described in the door a 〇j weight, the meat of Qiu Qiu depends on γ and 6] 7 Start the blower 24, and within the carousel 18, the U and U flows. In this way #convey fi8 of ^ 8

: 达 ", let the rotary feeding device 2. Make • Turn the J device 2. The blades 22 on the same speed return #. In this way, using the blade ^ rotation method, let the rice 12 put in the funnel U =: 7081-4553- PF; AHDDUB.ptd $ 11 pages 542818 V. Description of the invention (8) to the conveying pipe 18. Figure 2 is the line graph of the weight increase of the rice which is shown in the same place and the factory clothes are put into the measuring storage tank. The following passes = two. In the figure, the horizontal axis indicates the time when the rotary feeding device 20 starts to operate.), 2 'means that the origin is the 12 weight of the rotary feeding device 20. The vertical axis indicates the use of a load sensor 26. The measured meter is put into the dl from the funnel 14 and the meter 12 is set to a time difference (t η $) through the rotary feeding device 20, the meter 12 moves in the conveying pipe 18 and passes through 2. It can be entered into a certain amount.内。 Because of the meter 12 from the rotary feeding device, arrive; == =; The inside of the feeding tube 18 corresponds to this! 丄 2. Therefore, as shown in the figure, the output of meter 12 with respect to time can reach 1 It is represented by a nearly straight line. 卞 卞 Since the amount of conveyance of the meter 12 passed in time 3 can be sent on the way using the control device 28 Calculate the time (t3) at which this straight line 34 intersects with the preset value 36 of the weight of the Chinese Han, and then subtract this time from the movement of the meter 12 in the conveying pipe 18). The weight of the buckle on the way to convey fl8, the sum of the weight of the rice 12 in the storage tank 16 is equal to the weight set value. "Da Jue uses the control device 28 in this way to calculate the weight of the meter 12 in the conveying pipe, plus the arrival measurement. After the time (t2) required for the weight setting value in the storage tank 16, the second control sum is equal to the _feeding stop signal of meter 12 to the rotary feed; 〇: from: to the aforementioned meter 12 starting to pass t2 After that point, Jiang 1, +, and T described the rotary feeding device 2 07081-4553-PF in Azizu; AHDDUB.ptd Page 12 542818 5. Explanation of the invention (9) Stop operation. Although $ 12 was stopped because the $ was transported to the second rotary feeding device 20 and stopped, it has been acknowledged that it is within 8; because the blower 24 is still in the operating state, the rice wheel 12 in the feeding tube 18 is still generated. It will be delivered to the metering storage tank 16 through the above-mentioned blowers 24 to 8 on the way from rice to 17. These meters 12 which have been added to the metering tube 6 and have reached the metering storage tank 16 have all reached the metering storage sample] Vf. Therefore, the meter 12 16 on the way of the aforementioned pipe 18 is within. On the day, the correct amount of rice 12 will be delivered to the metering storage tank. Although at the above t is a powder air conveying system 10 with σ ° ^, the funnel 14 and the metering tube 8 are discharged from the end of the pipe 1 The storage tank 16 ′ will be in the form of the funnel 14 described above, and ^ will be loaded into the metering storage tank 16, but it is not limited to this ~ I, and is applicable to various forms. Fig. 3 is a structural explanatory diagram of an application example of a powdered air conveying system. As shown in the figure, from ^ m ... as a powder air conveying system 1 〇 Application of a powder air volume storage tank? As far as the system 10 is concerned, it differs only in the number of hoppers and the use of a stand. Therefore, the same parts of the system 38 as the previous system 10 are given the same numbers to explain, and will be The description of the same parts is omitted. In the air conveying system 38, the conveying pipe 18 is connected to the first funnel 40, the second funnel 42, and the third funnel 44. The structure of the plurality of funnels is the same as the funnel 1 described above. 4 is the same, the powder can be fed into the conveying pipe 18 by starting the rotary feeding device 20 provided on the lower side of the funnel, so that the rice A46 is put into the first funnel 40, and rice B48 and rice C50 are respectively charged. Devoted to

542818 V. Description of the invention (10) The 2 funnel 42 and the third funnel 44 are internally reinforced. On the other hand, the bucket disposed on the end of the feeding tube 18 is inserted into the main juice storage tank 52 supplied from a plurality of funnels. It can be turned around the rotation axis 54 ", so that :: The body can be made to stir. In addition, the rotation of the measuring storage tank 52 is a horse ^, the Mijia rotating shaft 5 in the tank is 4 = up: use the action of this motor and so on to make it turn back to the aforementioned mixed rice: making process: 2: 2: powder The body air carousel system 38 is used to set the weight-to-weight ratio of rice A46, rice B48, and rice C50. The weight is mixed, and the blower 24 is started so that the conveyance f = medium. . The slewing feed on ^ 4 ° means that you should: turn = let you recognize the weight of rice A46, which was measured by the monk Zengshan located in the measuring storage tank 52, and measured by the load cell 26 using a flat sensor 28. Beans-when breaking out, it is necessary to put in the rice of the predetermined weight A46 when the weight = judge the transfer of the dream department 9 iW gu li 丨 a day ΤΓ point to return to the time point when the soil I, / first is better. Then according to the result of this judgment, the rotary feeding device 20 is stopped at this, ", and the concession. Storage 2: The type is just a rice with a preset weight" 6 to the measurement 2 tied 1 set 28 and then gives way to the first 2 funnel 42 H π = \ set, and supply _ to the delivery pipe 18Γ. However, after returning ^ $ ,,,,, and ° to the wheel tube 丨 8, the rice B48 will be fed through the f 18 volume storage tank 5 "bis, when Λ system / set 28 is subtracted from the input Calculate the weight of rice Α46 and calculate the weight of rice Β48 and its weight by calculating the weight of wooden A46. Page 14 7081-4553-PF; AHDDUB.ptd ^ 2818 V. Description of the invention (11) And judge that when it is necessary to input exactly 8 of the predetermined weight, It is better to judge # #, ',,…, and move. Then, according to this item, let the other-mentioned rotary feeding device 2 stop when it becomes out of date. When the input is just set in advance, After the weight of rice β48 reaches the measuring storage tank, the control device 28 starts to be located at the third leakage device 20, and recognizes the rice C50 to the mouth of the round tube 18 and conveys it to the day 々 々 t $ t and loses 8. According to the same procedures as the above Mi Ba 46 and Wei B 48, the rice C50 is put into the measuring storage tank ^.

^ 4 The section is not the state of the various meters conveyed to the metering tank. Back: In Figure 显示, the state before mixing of the metering tank is shown, as in Figure T. T: t = state after mixing in the tank. As shown in the same figure ⑴, because 、,,, and 殳 have changed the funnel for rice, the rice A46, rice B48, and rice ⑽, which were put in from the i-th funnel 4 0, the second funnel 4 2 and the third, respectively, It is in a state of being layered in the leaves: storage tank 5 2. When the metering storage tank 52 is rotated around the rotation axis 54 as the center in this state, the state disintegrates, and as shown in FIG. 2, various rices are uniformly stirred. Therefore, the rice supplied in each funnel is correctly loaded into the metering storage tank 52 ^ If the storage tank 5 2 is mixed as described above, the mixed rice with a correct mixing ratio and no deviation can be stably produced. Also, in the above description, although the metering tank can be rotated

Although stirring is not limited to this structure, for example, a stirrer may be installed at the back of the tank, and the stirrer may be used to stir the powder in the measuring tank. Once again, in this embodiment, although the weight of the meter and the increase rate of the weight are used to determine the stopping time of the rotary feeding device, as

542818 V. Description of the invention (12) The correct recognition from the funnel is semi-recognition: the method of delivery to the measuring tank. Ren is not limited to this method, and other methods can also be used. (Single-second is: upper [in the system, since a plurality of funnels and early funnels can be obtained in advance), the wheel up to the measuring tank is the total amount of air passing through this conveying pipe, and the feed through The true specific gravity of the powder, and the mixing ratio (the amount of powder supplied in a single section / set is high / lower than a day, and the ratio is higher than the powder delivered in the early time / in the early position When the air quality in the daytime room is different, you can calculate the location of the pipeline. Here you can also use the same method to build this two-recognition system. Delivery system. Hair-related powder The effect of the invention of the air wheel is as described above. In the present invention, the present invention includes: a conveying pipe that generates a conveying air stream, which is arranged to feed the wheel. F: b A funnel that supplies powder in the pipe to the aforementioned conveying pipe. The supply side can obtain the aforementioned powder through the above-mentioned conveying tube ': Second: the flow energy can calculate the weight of the above-mentioned powder located in the middle of the above-mentioned conveying tube; When the value reaches the value & No. to the control device in the above funnel] 訧 or includes: equipped with an air supply device to generate a delivery tube in the tube, which is arranged on the upstream side of the delivery tube to supply powder to the front; a plurality of funnels in the wheel tube , A metering storage tank provided on the downstream side of the carousel through the conveying pipe to obtain the powder while mixing the obtained powder, and can calculate the supply from any of the funnels to the conveying pipe The weight of the aforementioned powder, when this weight is added to ^ before ^

7081-4553-PF; AHDDUB.ptd 542818 V. Description of the invention (13) When the value of the weight of the powder in the measuring tank reaches the set value, it will send a signal to stop the supply of the powder to any control device in the aforementioned funnel. In addition, various powders obtained from the plurality of hoppers can be stirred in the metering storage tank. Then, the powder is supplied to the upstream side of the conveying pipe through the funnel. When the powder is loaded into the measuring storage tank located on the downstream side of the conveying pipe, the weight increase trend of the powder in the measuring storage tank is calculated. Use this trend to make the weight of the powder in the measuring tank consistent with the set value. Calculate in advance the time difference in which the funnel needs to be stopped before many times, and stop supplying the powder from the funnel according to this time difference. It is possible to build a system with good maintainability and no concerns about foreign matter being mixed in, and it is possible to accurately control the amount of powder conveyed. Also, when different kinds of powders are supplied through a plurality of hoppers, powders with correct mixing ratio can be provided.

7081-4553-PF; AHDDUB.ptd Page 17 542818 Brief Description of Drawings Figure 1 The powder diagram related to this embodiment. Fig. 2 shows the meter after being installed in the metering tank. Fig. 3 shows the powder air conveying system. Figure 5 Conventions used to make mixed rice symbols 10 ~ powder air conveying system; 14 ~ funnel; 17 ~ conveying airflow; 20 ~ rotary feeding device; 2 ~ 4 blower; 28 ~ control device; 3 2 ~ signal line; 36 ~ weight set value; 40 ~ 1 funnel; 42 44 ~ 3 funnel; 48 ~ meter B; 52 ~ meter storage tank; 56 ~ mixed rice. Explanation of the structure of the conveying system The structure of the use case is illustrated. Profiles of various meter states. ~ Meter; ~ meter storage tank; ~ conveying pipe; ~ fan blade; ~ load sensing meter; ~ signal line; ~ straight line; ~ powder air conveying system; funnel; ~ meter A; ~ meter C; ~ rotary shaft;

7081-4553-PF; AHDDUB.ptd page 18

Claims (1)

542818 Case No. 90132417 VI. Scope of patent application 1. A powder air conveying system, comprising: a conveying pipe provided with an air supply device to generate a conveying air flow in the pipe; a plurality of funnels arranged on the upstream side of the conveying pipe to supply powder into the conveying pipe; The storage tank is provided on the downstream side of the conveying pipe, can obtain the powder through the conveying pipe, and agitate the powder that is loaded at the same time; and a control device that can calculate the supply to the conveying from any of the funnels Regarding the weight of the powder in transit, when the value of the weight plus the weight of the powder reaching the metering storage tank reaches a set value, in the state of starting the air supply device, send a signal to stop the supply of the powder to any In the aforementioned / funnel, various powders obtained from a plurality of the aforementioned funnels can also be stirred in the aforementioned measuring storage tank. f 2. An air conveying method, characterized in that: the powder is supplied to the flow side of the conveying pipe through an arbitrary funnel of a plurality of funnels, and when the powder is charged into a measuring storage located on the downstream side of the conveying pipe When it is in 5 tanks, the weight increase trend of the powder in the measurement storage tank is calculated. In order to use this trend to make the weight of the powder supplied in the measurement storage tank consistent with the set value, calculate in advance How long before the time when the funnel is stopped is required to stop supplying the powder from the funnel that supplies the powder according to the time difference. 7081-4553-PFl (N) .ptc Page 19