A dual-discharge rice milling system

Abstract

This invention provides a dual-discharge rice milling system. The system uses a milling cylinder to initially crush the material in the primary milling hopper, breaking down the outer shell. The material then enters the lower casing through the discharge port, and after passing through a distribution hopper, guide cylinder, and two distribution plates, it is distributed to two rice milling chambers for independent milling operations. This allows the system to have a high throughput while dispersing frictional heat at multiple locations, thus minimizing its adverse effects on equipment operation and rice grain quality. This invention solves the problem in existing high-efficiency rice milling machines that are easily affected by frictional heat, which negatively impacts equipment operation and rice grain quality.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of rice milling equipment, and particularly relates to a double-discharge-pipe rice milling system. BACKGROUND

[0002] A rice mill is a key device for rice processing. In the prior art, a rice mill generally realizes rice milling through a rice milling roller (a pair of rollers) arranged in a casing, and then separates rice grains and chaff, so as to obtain rice grains and chaff. In actual operation, the feeding speed of raw materials (i.e. paddy) needs to be controlled to prevent too much raw material from exceeding the operating load of the rice milling roller, so that the processing speed cannot be improved. In the prior art, the processing load of the rice milling roller can be increased to improve the processing speed, so that the efficiency can be improved. However, in actual processing, more friction heat is generated in the processing process, which may seriously cause the internal temperature of the device to be too high to stop operation or cause adverse effects on the rice grains. SUMMARY

[0003] In view of the deficiencies in the prior art, the present application provides a double-discharge-pipe rice milling system, which solves the problem that a rice mill with high processing efficiency in the prior art is easily affected by friction heat to adversely affect the operation of the device or the quality of the rice grains.

[0004] According to an embodiment of the present application, a double-discharge-pipe rice milling system comprises:

[0005] A casing, and an initial milling hopper fixedly connected to an upper end of the casing, wherein the initial milling hopper comprises an arc-shaped discharge plate protruding downward into the casing, and a plurality of discharge holes are arranged on the discharge plate to communicate with the casing and the initial milling hopper;

[0006] An arc-shaped milling cylinder arranged in the initial milling hopper, wherein the milling cylinder comprises an arc-shaped milling plate arranged in parallel with the discharge plate, and a plurality of milling strips are arranged on a side of the milling plate close to the discharge plate and away from the discharge plate;

[0007] A distribution hopper arranged in the casing, wherein the distribution hopper comprises a pair of inclined plates fixedly connected to the casing, and a guide cylinder fixedly connected to lower ends of the two inclined plates close to each other; and all the discharge holes are arranged above the two inclined plates;

[0008] A pair of rice milling bins symmetrically arranged on both sides of the guide cylinder, wherein a common wall is arranged between the two rice milling bins, and a rice milling assembly is arranged in each of the two rice milling bins;

[0009] A distribution plate fixedly connected to an upper end of the common wall and extending into each of the two rice milling bins, wherein the two distribution plates are arranged in an inclined manner and fixedly connected to higher ends of the two distribution plates and located directly below the guide cylinder; the casing is further fixedly connected to two chaff discharge pipes and two discharge pipes in communication with the two rice milling bins; and a first driving motor is fixedly installed on an outer wall of the initial milling hopper to drive the milling cylinder to reciprocatingly swing.

[0010] In the above embodiment, the material is first subjected to preliminary rolling in the primary roller by the roller in the primary roller, so that the material shell is broken, and then enters the lower housing through the discharge hole, is divided into two rice milling bins through the distribution hopper, guide cylinder and two distribution plates, and is subjected to independent rice milling operation, so that the system has high processing capacity, and the friction heat is generated at multiple positions, so that the adverse effects on the equipment operation and the rice quality are relatively low, thereby solving the problem that the rice mill with high processing efficiency in the prior art is easily affected by the friction heat, and is not beneficial to the equipment operation or the rice quality.

[0011] Further, the first driving motor is connected with a first mounting shaft, the first mounting shaft extends transversely into the primary roller, and a pair of mounting rings are further fixedly arranged on the first mounting shaft, the connecting rods are fixedly connected to the mounting rings respectively, and the connecting rods extend obliquely downward and are fixedly connected to the top surface of the roller.

[0012] Further, the first mounting shaft is parallel to the roller, or the roller is arranged in a staggered manner with the first mounting shaft.

[0013] Further, the mounting plate, the housing and the common wall jointly enclose a rice milling bin, and a second driving motor for driving the rice milling assembly is further fixedly connected to the mounting plate.

[0014] Further, the rice milling assembly comprises a fixed grinding block fixedly connected to the housing and the common wall, a vertical channel is arranged on the fixed grinding block, the rice milling assembly further comprises a movable grinding disc arranged below the vertical channel and driven to rotate by the second driving motor, a rice milling gap is arranged between the movable grinding disc and the fixed grinding block, the rice milling assembly further comprises a receiving hopper arranged below the movable grinding disc and fixedly connected to the housing, a discharge pipe is fixedly connected to the receiving hopper, and a bran discharge pipe is in communication with the space of the rice milling bin below the fixed grinding block.

[0015] Further, the common wall is further fixedly connected with two air blowers on both sides, the air outlet pipes of the two air blowers are respectively in communication with the receiving hopper, the outlets of the air outlet pipes are arranged obliquely upward and are arranged opposite to the bran discharge pipe and the communication part of the rice milling bin, the air outlet pipe of the air blower comprises a first pipe section connected with the air blower and a second pipe section connected with the receiving hopper, the first pipe section and the second pipe section are in V-shaped structure, and a slag receiving pipe is further fixedly connected to the bottom, and a cover is further arranged on the slag receiving pipe.

[0016] Further, a sieve plate is further fixedly connected in the receiving hopper to divide the receiving hopper into upper and lower parts, a plurality of sieve holes are arranged on the sieve plate, and the second pipe section is in communication with the space below the sieve plate.

[0017] Further, an air extractor is further arranged on the mounting plate, the air inlet pipe of the air extractor is in communication with the rice milling bin below the corresponding mounting plate, and the air outlet pipe is in communication with the outside of the housing.

[0018] Further, the second driving motor is connected with a second mounting shaft, and the second mounting shaft is fixedly connected with the center of the top surface of the dynamic grinding disc after vertically penetrating the vertical channel.

[0019] Compared with the prior art, the application has the following beneficial effects:

[0020] By preliminarily rolling the material in the primary roller, the material shell is broken, and then the material enters the lower housing through the discharge hole, is distributed to two rice milling bins through the distribution hopper, the material guide cylinder and the two distribution plates, and is independently subjected to the rice milling operation, so that the system can have a high processing capacity, the friction heat is generated at multiple positions, the adverse effects on the equipment operation and the rice are correspondingly low, and thus the problem that the rice milling machine with high processing efficiency in the prior art is easily affected by the friction heat and is not beneficial to the equipment operation or the rice quality is solved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application;

[0022] Figure 2 It is a schematic diagram of the overall structure of the embodiment of the application; Figure 1 It is an enlarged schematic diagram of the partial structure at A in FIG. 1;

[0023] Figure 3 It is a relative schematic diagram of the first driving motor and the oscillating rice milling cylinder of the embodiment of the application;

[0024] Figure 4 It is a relative schematic diagram of the first driving motor and the oscillating rice milling cylinder of the embodiment of the application; Figure 1 It is an enlarged schematic diagram of the partial structure at B in FIG. 1;

[0025] In the above drawings:

[0026] The housing 1, the primary roller 2, the discharge plate 3, the discharge hole 4, the roller 5, the roller plate 6, the roller strip 7, the distribution hopper 8, the inclined plate 9, the material guide cylinder 10, the rice milling bin 11, the common wall 12, the distribution plate 13, the bran discharge pipe 14, the discharge pipe 15, the first driving motor 16, the air blower 17, the receiving hopper 18, the first pipe section 19, the second pipe section 20, the slag receiving pipe 21, the cover 22, the mounting plate 23, the second driving motor 24, the air extractor 25, the fixed grinding block 26, the vertical channel 27, the dynamic grinding disc 28, the rice milling gap 29, the second mounting shaft 30, the sieve plate 31, the first mounting shaft 32, the mounting ring 33, and the connecting rod 34. DETAILED DESCRIPTION

[0027] The technical solutions in the application are further described below in combination with the drawings and the embodiments.

[0028] In the description of the present application, it needs to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0029] In an exemplary embodiment, as shown in Figures 1-4 The present embodiment provides a double discharge pipe rice milling system, which comprises:

[0030] A machine shell 1, and a primary milling hopper 2 fixedly connected to the upper end of the machine shell 1, the primary milling hopper 2 comprising an arc-shaped discharge plate 3 protruding downward into the machine shell 1, and a plurality of discharge holes 4 provided on the discharge plate 3 and communicating with the machine shell 1 and the primary milling hopper 2, the primary milling hopper 2 corresponding to the feed hopper in the prior art, except that the bottom of the primary milling hopper 2 is configured to realize material feeding through the discharge holes 4;

[0031] An arc-shaped swing roller 5 arranged in the primary milling hopper 2, the roller 5 comprising an arc-shaped milling plate 6 arranged parallel to the discharge plate 3 (i.e., the opposite bottom of the roller 5 is the arc-shaped milling plate 6), which is arranged as a roller 5 instead of directly arranging a milling plate 6, so that the material can enter between the milling plate 6 and the discharge plate 3 on both sides of the roller 5, preventing the material from staying above the milling plate 6 for a longer time, and the roller 5 can also act as a conduction medium to more smoothly conduct the generated friction heat upward, and in the swinging process, the part protruding above the material is dispersed to the external environment), the milling plate 6 is arranged close to the discharge plate 3 and a plurality of milling strips 7 are arranged on the close side of the milling plate 6, the milling strips 7 are arranged away from the discharge plate 3, the extending direction of the milling strips 7 is perpendicular to the swinging direction of the roller 5, the milling strips 7 can be straight strips or curved strips, in the swinging process, the roller 5 drives the milling strips 7 to reciprocally sweep across the discharge holes 4 on the discharge plate 3, so that the material between the milling plate 6 and the discharge plate 3 is subjected to a rubbing action, and the material is preliminarily rolled and pressed, the shell of the material is broken, and the material continuously passes through the discharge holes 4 in the rubbing process, more specifically, the width of the roller 5 is smaller than the discharge plate 3 (i.e., the milling plate 6 is narrower than the discharge plate 3), therefore, when the roller 5 is at the lowest position, there is a large space between the two sides and the inner wall of the primary milling hopper 2 for material accumulation, with the swinging process, the material is continuously subjected to rubbing and passes through the discharge holes 4 to realize feeding, and at the same time, the material can be continuously introduced into the primary milling hopper 2 to realize continuous operation;

[0032] The material distribution hopper 8 located in the casing 1, the material distribution hopper 8 includes a pair of inclined plates 9 fixedly connected with the casing 1, and the lower ends of the two inclined plates 9 are close to each other and are fixedly connected with a guide cylinder 10, all the discharge holes 4 are located above the two inclined plates 9, specifically, the two inclined plates 9, the casing 1 and the discharge plate 3 jointly enclose the material distribution hopper 8, the material falling through the discharge hole 4 falls into the material distribution hopper 8, and then continues to fall through the guide cylinder 10;

[0033] A pair of rice milling bins 11 symmetrically arranged on both sides of the guide cylinder 10, a common wall 12 is arranged between the two rice milling bins 11, the common wall 12 is also fixedly connected with the casing 1, so as to be fixedly arranged, and the two rice milling bins 11 are respectively provided with rice milling assemblies, so that the rice milling operation is carried out at three positions, that is, the preliminary rice milling is carried out in the preliminary milling bucket 2, and the secondary rice milling is respectively carried out in the two rice milling bins 11;

[0034] The upper end of the common wall 12 is fixedly connected with two material distribution plates 13 extending into the two rice milling bins 11 respectively, the two material distribution plates 13 are arranged obliquely and the higher ends thereof are fixedly connected and located directly below the guide cylinder 10; the casing 1 is also fixedly connected with two bran discharge pipes 14 and two discharge pipes 15 respectively in communication with the two rice milling bins 11; the outer wall of the preliminary milling bucket 2 is also fixedly provided with a first driving motor 16 for driving the rice milling cylinder 5 to reciprocatingly swing, the two material distribution plates 13 divide the material with broken husks after preliminary rice milling into the two rice milling bins 11, and the rice grains are guided out of the corresponding discharge pipe 15 during the rice milling process in the rice milling bin 11, and the bran is guided out of the corresponding bran discharge pipe 14.

[0035] In the above embodiment, the material is first subjected to preliminary milling in the preliminary milling bucket 2 by the rice milling cylinder 5, so that the material husk is broken, and then the material falls into the casing 1 below through the discharge hole 4, and is divided into the two rice milling bins 11 through the material distribution hopper 8, the guide cylinder 10 and the two material distribution plates 13 for independent rice milling operation, so that the system can have a higher processing capacity, and the friction heat is generated in multiple positions, so the adverse effects on the equipment operation and the rice grains are relatively low, thereby solving the problem that the rice mill with high processing efficiency in the prior art is easily affected by the friction heat and is not conducive to the equipment operation or the quality of the rice grains; specifically, the friction heat generated in the preliminary milling bucket 2 can be quickly conducted upward, so as to be dissipated to the outside through the discharge hopper, and in the two rice milling bins 11, the air blower 17 is arranged in the present scheme to blow and assist the bran to be guided out, and the friction heat is also guided out, so that the friction heat of the equipment can be smoothly guided out, and the normal operation of the equipment is not affected.

[0036] In the specific exemplary scheme, as Figure 1As shown, the bottom of the rice mill bin 11 is provided with a receiving hopper 18, and the common wall 12 is also fixedly connected with two air blowers 17 respectively, the air outlet pipes of the two air blowers 17 are communicated with the receiving hopper 18, and the outlets of the air outlet pipes are obliquely upwardly arranged and oppositely arranged with the bran outlet pipe 14 and the bran outlet pipe 14 communicated with the rice mill bin 11; the air outlet pipe of the air blower 17 comprises a first pipe section 19 connected with the air blower 17 and a second pipe section 20 connected with the receiving hopper 18, the first pipe section 19 and the second pipe section 20 are in V-shaped structure, and a slag receiving pipe 21 is further fixedly connected at the bottom, and a cover 22 is further arranged on the slag receiving pipe 21, air is blown into the corresponding rice mill bin 11 through the air blower 17, so that the lighter bran and chaff are blown up and discharged through the bran outlet pipe 14, and the rice grains are heavier and fall into the discharge pipe 15 below, and more specifically, the bran outlet pipe 14 is communicated with the space below the rice mill assembly, so as to guide the bran and chaff after the rice mill to be discharged, and also can carry part of the friction heat; in a further exemplary scheme, the mounting plate 23 below the two inclined plates 9 is further fixedly connected in the machine shell 1, and the mounting plate 23, the machine shell 1 and the common wall 12 enclose a rice mill bin 11, the second driving motor 24 for driving the rice mill assembly is further fixedly installed on the mounting plate 23, and the exhaust fan 25 is further installed on the mounting plate 23, the air inlet pipe of the exhaust fan 25 is communicated with the rice mill bin 11 below the corresponding mounting plate 23, and the air outlet pipe is communicated with the outside of the machine shell 1, the exhaust fan 25 can extract a small amount of bran and chaff above the rice mill assembly, and also extract part of the friction heat, under the joint action of the air blower 17 and the exhaust fan 25, the rice mill bin 11 can maintain a relatively stable low temperature (about 30-40℃), the friction heat generated in the initial mill hopper 2 is small due to the small intensity of the rice mill, and the communication with the outside is good, so as to maintain at 30-35℃, so as to keep the equipment running stably and efficiently for a long time; more specifically, the bran outlet pipe 14 in the present scheme is obliquely upwardly arranged, and the end is downwardly bent, a collecting bag can be sleeved on the bent end to collect bran and chaff, and similarly, a collecting bag can also be arranged at the end of the air outlet pipe of the exhaust fan 25 to collect bran and chaff.

[0037] More specifically, the air outlet pipe of the air blower 17 is arranged in V-shaped structure of the first pipe section 19 and the second pipe section 20, so that the air of the air blower 17 is first downwardly and then upwardly, when the equipment is stopped or the wind force is small, a small amount of rice grains (or bran and chaff) may fall into the second pipe section 20, but will not further enter the air blower 17 through the first pipe section 19, and the slag receiving pipe 21 arranged at the bottom can be used for falling into a small amount of rice grains (or bran and chaff), and then the cover 22 can be opened for cleaning.

[0038] As Figure 1As shown, in a further exemplary embodiment, the rice milling assembly includes a fixed grinding block 26 fixedly connected to the housing 1 and the common wall 12. A vertical channel 27 is provided on the fixed grinding block 26. The rice milling assembly also includes a rotating grinding disc 28 located below the vertical channel 27 and driven to rotate by a second drive motor 24. A rice milling gap 29 is provided between the rotating grinding disc 28 and the fixed grinding block 26. The rice milling assembly also includes a receiving hopper 18 located below the rotating grinding disc 28 and fixed relative to the housing 1. A discharge pipe 15 is fixedly connected to the receiving hopper 18, and a bran discharge pipe 14 is spatially connected to the rice milling chamber 11 below the fixed grinding block 26. Specifically, the fixed grinding block 26 does not need to be a regular circle; it only needs to be adapted to the corresponding rice milling chamber 11 and the common wall 12. The rotating grinding disc 28 is circular. More specifically, the top surface of the fixed grinding block 26 is concave... The material is provided with a groove that connects to the upper end of the vertical channel 27. The material from the distribution plate 13 falls into the groove and then into the vertical channel 27. It then enters the rice milling gap 29. With the operation of the second drive motor 24, the rotating grinding disc 28 causes the material to be crushed in the rice milling gap 29, thereby completely dehulling and breaking the husk into smaller pieces. More specifically, the rice milling gap 29 is an umbrella-shaped structure with its top connected to the lower end of the vertical channel 27. At the same time, the rice milling gap 29 gradually narrows from the top to the outer edge, so that the material is gradually subjected to greater crushing during the crushing process, ultimately achieving dehulling and breaking the husk. Furthermore, the second drive motor 24 is connected to a second mounting shaft 30, and the second mounting shaft 30 vertically passes through the vertical channel 27 and is fixedly connected to the center of the top surface of the rotating grinding disc 28.

[0039] More specifically, a sieve plate 31, which divides the hopper 18 into upper and lower parts, is fixedly connected inside the receiving hopper 18. The sieve plate 31 has several sieve holes, and the second pipe section 20 is connected to the space below the sieve plate 31. The rice grains after being crushed by the rice milling component can pass smoothly through the sieve holes and then fall into the discharge pipe 15 below for discharge. The air blown in by the blower 17 enters below the sieve plate 31, blows the bran husks upward through the sieve holes, and then enters the bran discharge pipe 14 for discharge.

[0040] like Figures 1-4 As shown, in a more detailed exemplary scheme, the first drive motor 16 is connected to a first mounting shaft 32. The first mounting shaft 32 extends laterally into the initial milling hopper 2 and is also fixedly fitted with a pair of mounting rings 33. Connecting rods 34 are fixedly connected to the two mounting rings 33 respectively, and the connecting rods 34 extend obliquely downward and are fixedly connected to the top surface of the milling cylinder 5. Each mounting ring 33 can be connected to a pair of connecting rods 34, so that the milling cylinder 5 and the first mounting shaft 32 are better fixedly connected through the four connecting rods 34. When the first drive motor 16 runs, it can smoothly drive the milling cylinder 5 to rotate. Specifically, the first drive motor 16 can rotate back and forth left and right, which is an oscillating state, or it can rotate continuously in one direction, which can also achieve the purpose of initial milling of rice.

[0041] More specifically, the first mounting shaft 32 is arranged in parallel with the roller 7, or the roller 7 is arranged in a cross manner with the first mounting shaft 32, and the roller 7 can be a curved linear strip when arranged in a cross manner.

[0042] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application but not to limit the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and all of them should be covered in the scope of the claims of the present application.

Claims

1. A double discharge pipe rice milling system characterized by, The utility model provides a rice mill, including: A cabinet, a primary roller is fixedly connected to the upper end of the cabinet, the primary roller includes an arc-shaped discharge plate protruding downward into the cabinet, and a plurality of discharge holes are arranged on the discharge plate to communicate with the inside of the cabinet and the inside of the primary roller; A roller is arranged in the primary roller, the roller includes an arc-shaped roller plate arranged parallel to the discharge plate, and a plurality of roller strips are arranged on the side of the roller plate close to the discharge plate; A distribution hopper is arranged in the cabinet, the distribution hopper includes a pair of inclined plates fixedly connected to the cabinet, and a guide cylinder is fixedly connected to the lower ends of the two inclined plates; A pair of rice milling bins are symmetrically arranged on both sides of the guide cylinder, a common wall is arranged between the two rice milling bins, and a rice milling assembly is arranged in each of the two rice milling bins; The upper end of the common wall is fixedly connected to a distribution plate extending into each of the two rice milling bins, the two distribution plates are inclined and fixedly connected to the upper end of the common wall and located directly below the guide cylinder, two bran outlet pipes and two discharge pipes are fixedly connected to the cabinet and communicate with the two rice milling bins, a first driving motor is fixedly installed on the outer wall of the primary roller to drive the roller to reciprocating swing, mounting plates are fixedly connected to the lower side of the two inclined plates in the cabinet, the mounting plates, the cabinet and the common wall jointly enclose one of the rice milling bins, a second driving motor is fixedly installed on the mounting plate to drive the rice milling assembly, the rice milling assembly includes a fixed grinding block fixedly connected to the cabinet and the common wall, a vertical channel is arranged on the fixed grinding block, a movable grinding disc is arranged below the vertical channel and driven by the second driving motor to rotate, a rice milling gap is arranged between the movable grinding disc and the fixed grinding block, a receiving hopper is arranged below the movable grinding disc and fixedly connected to the cabinet, the discharge pipe is fixedly connected to the receiving hopper, the bran outlet pipe is in space communication with the rice milling bin below the fixed grinding block, and air blowers are fixedly connected to both sides of the common wall, the air outlet pipes of the two air blowers are in communication with the receiving hopper, the outlets of the air outlet pipes are arranged obliquely upward and directly opposite the bran outlet pipe and the rice milling bin, the air outlet pipe of the air blower includes a first pipe section connected to the air blower and a second pipe section connected to the receiving hopper, the first pipe section and the second pipe section are in V-shaped structure, a slag receiving pipe is fixedly connected to the bottom of the V-shaped structure, and a cover is arranged on the slag receiving pipe.

2. The dual discharge duct rice milling system of claim 1, wherein, A first mounting shaft is connected to the first driving motor, the first mounting shaft extends transversely into the primary roller, a pair of mounting rings are fixedly arranged on the first mounting shaft, connecting rods are fixedly connected to the two mounting rings, and the connecting rods are fixedly connected to the top surface of the roller obliquely downward.

3. The dual discharge duct rice milling system of claim 2, wherein, ​ 4. The dual discharge duct rice milling system of any one of claims 1-3, wherein, The roller plate is further provided with a plurality of leakage holes between two adjacent roller strips, and the aperture of the leakage holes is smaller than the discharge hole.

5. The dual discharge duct rice milling system of claim 1, wherein, The sieve plate is further fixedly connected in the receiving hopper and separates the receiving hopper into upper and lower parts, a plurality of sieve holes are formed in the sieve plate, and the second pipe section is in communication with the space below the sieve plate.

6. The dual discharge duct rice milling system of claim 1, wherein, The mounting plate is further provided with an air extractor, the air inlet pipe of the air extractor is in communication with the rice milling bin below the mounting plate, and the air outlet pipe is in communication with the outside of the machine shell.

7. The dual discharge duct rice milling system of claim 1, wherein, The second driving motor is connected with a second mounting shaft, and the second mounting shaft is fixedly connected with the center of the top surface of the dynamic grinding disc after penetrating the vertical channel vertically.

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