WO2009024084A1

WO2009024084A1 - A cooler

Info

Publication number: WO2009024084A1
Application number: PCT/CN2008/072048
Authority: WO
Inventors: Yuzong Gao
Original assignee: Yuzong Gao
Priority date: 2007-08-20
Filing date: 2008-08-19
Publication date: 2009-02-26
Also published as: CN101109603B; CN101109603A

Abstract

A cooler (1) for cooling material (2) comprises an inlet end (7), an outlet end (8), side walls (6), a grate bed (4) consisting of grate plates (20, 21) and used for receiving and supporting the material (2) to be cooled, a driver (5) and an air chamber (16), which is characterized in that at least one of the grate plates (20, 21) is a grate plate (21) with ribs (201), the grate plate (21) with ribs (201) consists of a conventional grate plate (20) and at least one rib (201) fixed on the upper surface of it in the transverse direction with respect to the direction of the material (2) to be cooled going forward for pushing the material (2); the grate plate (21) with ribs (201) is disposed on a moving trolley (10) which is connected to the driver (5), the driver (5) drives the grate plate (21) with ribs (201) to move repeatedly in the direction of the material (2) to be cooled going forward, so that the material (2) to be cooled is pushed forward. Therefore, there is no need for providing driving plates and additional means thereof.

Description

A cooling machine Technical field:

The present invention relates to a cooling device for cooling a material. The material to be cooled may be a high temperature material discharged from an industrial kiln, which may be in the form of granules or powder, or a mixture of the two. Background technique:

The invention patent of Chinese Patent No. 98804436. 6 discloses a cooler for a particulate material, the cooler comprising an inlet and an outlet of the particulate material, an end wall, a side wall, a bottom and a top, at least one fixed support surface Means for receiving and supporting material to be cooled, spraying a cooling gas upward from a bottom of the support surface, and a reciprocating squeegee system comprising a plurality of squeegee elements arranged in a row, The squeegee member is disposed transversely to the direction of movement of the cooled particulate material, and the direction of reciprocation of the squeegee member is in a direction of movement of the material to be cooled to transport the material to be cooled forward on the support surface, The patent is characterized in that the transverse squeegee elements of the rows are firmly fixed to at least one drive plate, the drive plate being oriented in the direction of movement of the material to be cooled, wherein the drive plate spans at least the entire surface of the support surface Extending the length, and the drive plate is guided through the support surface, or the top, or one of the side walls of the cooler, Drive means connected to the drive plate, so as to move back and forth. The patent adopts a driving plate for firmly fixing the scraper element, and the reciprocating movement of the scraper element is driven by the reciprocating movement of the driving plate, so that the scraping element can reciprocate in the same direction as the movement of the material to be cooled, which is quite high. The operational reliability, and basically only the scraper components are worn, the individual scraper components are worn without affecting the transport of the entire cooled material, and the cooler can still operate continuously.

However, since the drive plate must pass through one of the support surface of the cooler, the top, one of the side walls and/or at least one of the end walls, such as for the case of passing through the support surface, the drive plate must extend down to enter one along the entire support a groove provided in the longitudinal direction of the surface and passing through the groove to the lower chamber provided with the driving device, so that not only the arrangement of the driving plate increases the material cost, but also since at least two driving plates are required for the usual supporting surface, each driving The plate must have two faces to be sealed with the intermediate side of the support surface and the scraper element, thus increasing the possibility of material leakage; plus a complete set of guiding devices (grooves, etc.) located at the lower part of the support surface And the driving device, and the bottom of the supporting surface is provided with a device for injecting cooling gas, so the lower structure of the supporting surface is very complicated, which causes great inconvenience to installation and maintenance. Summary of the invention

The invention solves the problems of high cost, complicated structure and troublesome installation and maintenance of the above-mentioned cooler, and provides a cooling machine with simple structure, low cost and convenient installation and maintenance.

The technical content of the present invention is as follows: a cooling machine comprising a feeding end, a discharge end, a side wall, a trampoline composed of a plurality of jaws, a driving device, a wind chamber, and at least one of the jaws is a convex rib a rib formed by a conventional raft and a rib disposed on an upper surface thereof and disposed transversely to a direction of advancement of the material to be cooled, the ribs being placed On the moving cart, the moving cart is connected to a driving device that causes the ribbed sill to reciprocate along the moving direction of the material to be cooled.

The convex gusset plate in contact with the side wall is a convex edge gusset, and the conventional sill plate in contact with the side wall is a conventional gusset plate, the convex edge gusset plate and the conventional edge gusset plate A cross-bridge blind plate is disposed at the contact with the side wall, and the cross-bridge blind plate includes a sub-plate perpendicular to the horizontal plane and disposed longitudinally along the moving direction of the material to be cooled, and an angular shape longitudinally coupled to the sub-plate The auxiliary plate is integrally connected with the side wall, and the auxiliary plate and the angled piece are fixed by a connecting member, and a downward groove is formed, and the convex edge edge plate and the conventional edge plate are on the side close to each other. The edges of the wall are each provided with a ridge extending longitudinally along the direction of the flow, which coincides with the downward groove.

The rib cross-sectional shape of the ribbed ridge plate may be a triangle, a quadrangle, a pentagon or a polygon. When the rib cross-sectional shape is a triangle, the inner angle of the surface facing the material advancing direction with respect to the horizontal plane is preferably larger than the inner friction angle (or stacking angle) of the material to be pushed and 90 degrees, the surface facing away from the material advancing direction. The internal angle with respect to the horizontal plane is less than the internal friction angle (or stacking angle) of the material being pushed.

Preferably, the trampoline is composed entirely of ribbed slabs, or consists of ribbed slabs and conventional slabs alternately arranged along the direction of advancement of the material to be cooled, or the ribbed slabs are perpendicular to the conventional slabs. The components are alternately arranged in parallel with the direction of advancement of the material to be cooled.

Preferably, the jaws are non-leakage jaws with a labyrinth slot for preventing leakage, and the labyrinth slots may be disposed along the direction of the stream or laterally with the direction of the stream.

The upper surface of the conventional raft is further provided with a fixing rod, the fixing rod is arranged transversely with respect to the moving direction of the material, and both ends thereof are fixedly supported on the side wall, and the fixing rod has a cross-sectional shape suitable for The effect of conveying the material or preventing the material from going backwards, the fixing rod is spaced from the conventional jaw. The fixing rod is supported on a stationary fixed vertical plate, the fixed vertical plate is arranged along the moving direction of the material to be cooled, and the upper portion thereof passes through the trampoline, and the lower portion is fixedly supported.

The fixed rod cross-sectional shape may be a triangle, a quadrangle, a pentagon or a polygon.

When the trampoline is arranged obliquely, the feeding end is not lower than the discharging end, and at this time, the angle between the bottom edge of the convex edge of the ribbed plate and the horizontal angle is 0° to 20°, and the lower oblique side and the horizontal direction of the pushing direction are The angle is greater than 0°; the angle between the upper oblique side and the horizontal direction of the pushing direction is greater than the internal friction angle of the pushed material, but not more than 90°; the angle between the lower oblique side and the horizontal direction in the opposite direction is not more than 90°, in the opposite direction The angle between the upper bevel and the horizontal is smaller than the internal friction angle of the material being pushed, but greater than 0°.

The rib protrudes laterally from one side or two opposite sides of the ribbed ridge in a direction in which the material advances; or the rib is located within a width of the ridged ridge in a lateral direction of the material advancement direction. Technical effect:

The cooling machine of the present invention has a movable boring machine composed of a convex ribbed plate which can be reciprocated back and forth by a support surface which is fixed and supported in the prior art, and is passed through a convex ridge. The front and rear reciprocating motion of the plate driving rib pushes the forward movement of the material to be cooled, so that it is not necessary to separately provide a driving plate passing through one of the supporting surface, or the top, or one side wall of the cooler, and other auxiliary equipment of the driving plate Not only greatly simplifies the entire chiller, but is also easy to install and maintain.

A cross-bridge blind plate is disposed at the contact between the convex edge edge plate and the conventional edge plate and the side wall, thereby preventing leakage caused by the movement of the convex edge edge plate and the conventional edge plate relative to the side wall. phenomenon.

The ribbed cross-sectional shape of the ribbed gusset is shaped to meet different needs.

Setting the rods reduces the tendency of the material to move backwards with the trampoline. BRIEF DESCRIPTION OF THE DRAWINGS:

Figure 1 is a schematic longitudinal cross-sectional view showing an embodiment of the present invention;

2 is a plan view of a trampoline in which a ribbed raft and a conventional raft are alternately arranged; FIG. 3 is a longitudinal cross-sectional view of another embodiment of the present invention provided with a fixed slab;

Figure 4 is a plan view of the trampoline of the embodiment shown in Figure 3;

Figure 5 is a cross-sectional view taken along line A-A of Figure 3;

Figure 6 is a schematic view of a ribbed slab; Figure 7 is a schematic view of a conventional seesaw (not leaking);

Figure 8 is a schematic view showing the working state of the rib or the fixed rod having a cross-sectional shape of a pentagon;

Figure 9 is a cross-sectional view of the fixing rod and the cap member provided thereon connected to the fixed vertical plate; Figure 10 is the fixing of the joint at which the fixing bar and the cap member are directly connected to the fixed vertical plate. a cross-sectional view of the rod;

Figure 11 is a cross-sectional, cross-sectional view of the non-leaking jaw;

Figure 12 is a schematic view showing the connection of the side sill plate (including the rib edge sill and the conventional gusset plate) and the side wall; Fig. 13 is a schematic view of the conventional side sill plate without leakage;

Figure 14 is a schematic view of a ribbed edge plate without leakage;

Figure 15 is a longitudinal cross-sectional view of the present invention of a trampoline composed entirely of ribbed slabs; Figure 16 is a plan view of the boring machine of Figure 15;

Figure 17 is a top view of a boring machine constructed by combining a ribbed raft and a conventional raft to form a boring machine;

Figure 18 is a schematic view showing a form of a rib provided in the ribbed ridge of Figure 17;

Fig. 19 is a schematic view showing another form of the rib of the ribbed plate of Fig. 17.

detailed description:

The invention will be further described below in conjunction with the accompanying drawings.

Referring to Figure 1, the chiller 1 of Figure 1 consists of a feed end 7, a discharge end 8, a boring machine 4, a conventional raft 20 (see Figure 2), a drive unit 5, and a side wall 6 (see Figures 2, 4 B 16), comprising a plenum 16 (see FIG. 5) for providing cold air 17 by the wind source 9, the boring machine 4 has a cooled material 2, and the material 2 may be a high temperature material discharged from the industrial kiln 19, the material 2 may It is granulated or powdery, and it can also be a mixture of the two. The gusset plate 21 and the conventional sill plate 20 constituting the trampoline 4 in Fig. 1 are alternately arranged, as shown in Fig. 2, wherein the ribbed sill plate 21 is in contact with the side wall 6 as a ribbed gusset plate 23 The traditional seesaw 20 is in contact with the side wall 6 as a conventional side sill 22 which is disposed laterally from the conventional sill 20 and fixedly disposed on the upper surface thereof in the advancing direction of the material 2 to be cooled. The rib 201 (see FIG. 6) for pushing the material is formed, the ribbed plate 21 is placed on the moving carriage 10 (see FIGS. 1, 3 and 15), the moving carriage 10 is connected to the driving device 5, and the driving device 5 is embossed. The seesaw 21 drives the rib 201 to reciprocate along the direction of movement of the material 2 to be cooled.

Thus, the present invention directly forms part or all of the rafts constituting the trampoline 4 with ribs 201 having a push The advancing ribbed plate 21 of the animal material 2 can directly push the movement of the boring machine composed of the raft to push the material forward, and the special drive plate and its accessory parts are not required, which greatly simplifies the structure of the chiller 1. .

One or more ribs 201 may be laterally disposed on a ribbed plate 21 in a direction in which the material advances. The rib 201 provided on the ribbed plate 21 may be integrally formed with the conventional raft 20 or may be separately fabricated. Then, it is fixedly mounted on the conventional fascia 20 to form a ridged gusset 21. The trampoline 4 can be completely formed by the ribbed sills 21, one or more ribbed sills 21 are arranged along the advancing direction of the material 2, and the ribs 201 of the ribbed sills 21 are all disposed along the transverse direction of the trampoline 4. Referring to Fig. 15, 16, the trampoline 4 can still be provided with a conventional rafter 20, and the ribbed sills 21 and the conventional sills 20 are alternately arranged along the advancing direction of the material 2 to form a boring machine (see Figs. 1, 2), or a ribbed slab. 21 and the conventional seesaw 20 are alternately arranged to form a trampoline 4 in a direction perpendicular to and parallel to the material 2 (see Fig. 17).

Since the rib edge sill 23 and the conventional gusset 22 are movable relative to the side wall 6, it is necessary to take measures to prevent material leakage in contact with the side wall 6, and the utility model patent can be used. The structure of the machine anti-leakage raft ("patent number ZL01203921. 7", the rib edge slab 23 in Fig. 2, Fig. 4 is in contact with the side wall 6 with a bridge blind plate 28 (see Fig. 12). The cross-bridge blind plate 28 includes a sub-plate 25 disposed perpendicular to the horizontal plane and longitudinally disposed along the moving direction of the material to be cooled, and an angle member 24 longitudinally coupled to the sub-plate 25, and the sub-plate 25 is integrally connected with the side wall 6. The auxiliary plate 25 and the angled member 24 are fixed by the connecting member 26, and a downward groove is formed, and the edge portion of the convex edge edge plate 23 and the conventional edge plate 22 near the side wall 6 are provided with a downward direction. The ribs 202 (see Figures 12, 14 and 13) that match the grooves are used to achieve no leakage.

In FIG. 1, FIG. 2 and FIG. 3, FIG. 4, a fixing rod 3 is further disposed above the conventional raft 20, and the fixing rod 3 and the side wall 6 are fixedly connected, but the fixing rod 3 is not in direct contact with the conventional sill 20 . The fixing rod 3 can reduce the tendency of the material to move backward with the trampoline. In order to facilitate the forward conveying of the material 2, the convex gusset 21 and the conventional raft 20 provided with the fixing rod 3 above it can move along the material 2 Two or more rows are alternately arranged, and the convex gussets 21 and the conventional sills 20 are respectively formed in the lateral direction by four ribbed sills 21 or the conventional sills 20, respectively.

The ribbed sill 21 and the conventional sill 20 are preferably made of a non-leaked raft. Referring to Fig. 11, the non-leaking jaw is composed of a plurality of labyrinth-like grooves 27 which can pass through the cold air 17 but not leaking the material 2. The convex ridge plate 21 of Fig. 6, the conventional raft 20 of Fig. 7, Fig. 13 The traditional side sills 22, the ribbed sills 23 of Figure 14 are all Leaky rafts are made. The groove 27 in Fig. 11 may be arranged along the flow direction X or perpendicular to the flow direction, see Fig. 7, in Fig. 11, the length direction of the groove 27 is consistent with the flow, when the flow direction is In the Y direction, the length direction of the groove 27 is perpendicular to the flow direction.

The cross-sectional shape of the rib 201 may be a triangle, a quadrangle, a pentagon or a polygon, and is a shape suitable for pushing the material 2 to move from the feed end 7 to the discharge end 8, preferably when the shape of the cross section of the rib 201 is a triangle When the angle of the surface facing the material advancing direction with respect to the horizontal plane is preferably greater than the internal friction angle (or stacking angle) of the material to be pushed and 90°, the inner angle of the surface facing the material advancing direction with respect to the horizontal plane is smaller than Pushing the internal friction angle (or stacking angle) of the material, for example, the shape of the cross section of the rib 201 is a pentagon. As shown in Fig. 8, when the trampoline 4 is arranged obliquely in Fig. 1, the feeding end 7 is higher than the exiting end. The material end 8, at this time, the bottom edge of the rib 201 and the horizontal angle γ is 0° to 20°, and the angle between the lower oblique side and the horizontal angle α 1 of the pushing direction is greater than 0° and less than 90°; the upper oblique side of the pushing direction The angle α 2 with the horizontal is larger than the internal friction angle (or stacking angle) of the material to be pushed, but not more than 90°; the angle between the lower oblique side and the horizontal angle β ΐ in the opposite direction is not more than 90°, and the upper oblique side in the opposite direction is The horizontal angle β 2 is smaller than the pushed object The internal friction angle (or angle of repose), but greater than 0 °. When α 1 = α 2 or β 1 = β 2, the shape of the cross section becomes a triangle.

3, 4 and 5 show another embodiment with a fixed vertical plate 11 in the middle. When the trampoline 4 reaches a certain width, a fixed vertical plate 11 is arranged in the middle of the trampoline 4 to support the fixing rod 3, and fixed. The slabs adjacent to the two sides of the vertical plate 11 are formed by a ribbed edge plate 23 or a conventional gusset 22, and the gusset plate (22 or 23) and the fixed plate 11 are formed by the sealing plate 15 and the bridge blunt plate. A similar downward groove structure of 28 achieves no leakage.

The fixed vertical plate 11 and the fixed rod 3 are fixedly connected by a cap 12 and placed above the trampoline 4. The cap member 12 and the fixing rod 3 may also be integrally formed, and the cross-sectional shape of the fixing rod 3 may be a different shape, or may be other shapes or a broken line shape, as shown in Fig. 10.

When the cap 12 is separately fabricated, the shape of the contact surface of the contact portion with the fixing rod 3 is the same as that of the rod cross-section interface. As shown in FIG. 9, the joint between the top of the fixing rod 3 and the cap 12 is formed into a notch to facilitate the fixing of the fixing rod. .

The cap 12 is connected to the fixed riser 11 by bolts, studs or the like.

Since the fixed uprights 11 are immovable, the gussets in contact with the fixed uprights 11 also require the use of the ridged gussets 23 and the conventional gussets 22.

The plenum 16 is disposed in the lower portion of the trampoline 4, and the cold air 17 provided by the wind source 9 passes through the ribs through the plenum 16 The plate 21, the ribbed edge panel 23, the conventional edge gusset 22 and the conventional gusset 20 enter the layer to exchange heat with the material 2. The air chamber 16 can be divided into a plurality of small air chambers by partitions 18 along the length of the trampoline and supplied with air, as shown in Figs. 1, 3, 5, and 15.

Figures 17, 18, and 19 show the form of another ribbed sill 21 and the combination of the gusseted sill 21 and the conventional sill 20 to form the trampoline 4. Figure 18 is another form of super convex edge gusset 29 of the ribbed gusset 23 in the ribbed sill 21, which is fixed along the transverse direction of the trampoline 4 on a conventional gusset plate. The free end of the rib 201 is provided to be longer than the width of its fixed jaw. Figure 19 is also a special ribbed sill 21, referred to as a double super ribbed slab 30. The double super ribbed slab 30 refers to the ends of the rib 201 that are fixedly disposed on the conventional raft in the transverse direction of the trampoline 4. Both exceed the width of their fixed jaws. Fig. 17 is a combination of two kinds of ribbed slabs of Fig. 18 and Fig. 19 and a conventional slab. Specifically, six rafters are closely arranged on the trampoline 4 in the lateral direction, three of which are the above-mentioned special ribbed slabs, three are conventional slabs, and three special ribbed slabs The longitudinal direction of the ribs 201 is the transverse direction of the trampoline 4 and lies on the same straight line, and the ribs 201 of the special ribbed ridges are just adjacent to each other, and the portion below the rib 201 is provided with a neutral portion. Seesaw. Thus, a side of the super convex edge gusset 29 which has no rib 201 projecting is adjacent to the side wall 6 of the trampoline 4. For the cooperation of the rib 201, a traditional sill is required to be close to the other side. , (may also be a special ribbed slab whose upper rib has a length smaller than the width of the raft, the same applies hereinafter), one side of the conventional sill is abutting against one side of the double super ribbed slab 30, the traditional 篦The width of the plate is not less than the sum of the length of the protruding portion of the double super convex ridge plate 30 - the side rib 201 and the length of the protruding edge 201 of the super convex edge gusset 29, and the double super convex ridge plate 30 One side is also abutted against another conventional seesaw, with the portion of the upper rib 201 extending over the surface of the conventional slab, the other side of the other conventional sill and the other double super convex One side of the gusset plate 30 is abutting, and the protruding portion of the rib 201 on the other double super ribbed sill 30 is located on the other conventional sill, and the width of the other conventional sill Not less than the sum of the lengths of the protrusions of the two double super-convex gussets 30 on the ridges 201 of the conventional sill, the other double super-convex The other side of the plate 30 against the grate is connected to a conventional grate side plate, the width of the grate side plate of the conventional length of the other side of the other pair of super-grate plate rib extending ribs 30 is greater than 201. Thus, the six jaws form a row in the lateral direction along the direction of advancement of the material. The arrangement of two or more rows in the direction of advancement of the material constitutes the trampoline 4, which has the advantage of being able to partition the ribbed ridges at different positions, thereby reducing the driving force to zero. Better drive. Preferably, a row of rafts of the super convex edge raft 29 on the same side of the side wall 6 are spaced apart along the direction of advancement of the material, such that The moving carriages in which the different columns are spaced apart can be driven at different intervals by different driving devices, so that the ribs 201 on the undriven rocker row can act as a fixed action corresponding to the fixed rods 3 for better driving. The advancement of the material. Of course, it is also possible to arrange four slabs in a row in a row, and sequentially set a plurality of rows along the advance direction of the material.

Claims

Claim

A cooling machine comprising a feed end, a discharge end, a side wall, a boring machine for receiving and supporting the material to be cooled, and a wind chamber, wherein the at least one slab is convex a ribbed plate, the ridged gusset is formed by a conventional gusset and at least one rib which is disposed on the upper surface thereof and disposed transversely to the advancing direction of the material to be cooled, and the rib is formed. It is placed on the moving trolley, and the moving trolley is connected to the driving device, and the driving device reciprocates the convex ridge plate along the moving direction of the material to be cooled.

2. A chiller according to claim 1, wherein said slab is in contact with the side wall with a cross-bridge blind plate, said straddle bridge blind plate comprising a piece of material that is perpendicular to the horizontal plane and along the cooled material The moving direction is a longitudinally disposed sub-plate and an angular piece coupled longitudinally with the sub-plate, the sub-plate is integrally connected with the side wall, and the sub-plate and the angle piece are fixed by a connecting member, and form a direction The lower groove is provided with a rib corresponding to the downward groove.

3. A cooling machine according to claim 1 or 2, characterized in that the convex cross-section of the ribbed ridge has a triangular, quadrangular, pentagonal or other polygonal shape.

4. A cooling machine according to claim 3, wherein when the rib cross-sectional shape is triangular, the inner angle of the surface facing the material advancing direction with respect to the horizontal plane is preferably greater than the inner friction angle of the material to be pushed ( Between the stacking angle and 90°, the internal angle of the surface facing away from the material in the direction of the material is smaller than the internal friction angle (or stacking angle) of the material being pushed.

5. A cooling machine according to claim 1 or 2, wherein the slabs are all ribbed slabs, or the ribbed slabs are alternately arranged with the conventional slabs in the direction of advancement of the material to be cooled, or The ribbed ridges and the conventional rafts are alternately arranged in a direction perpendicular to and parallel to the direction in which the material to be cooled is advanced.

6. A chiller according to claim 1 or 2, wherein the raft is a leak-free raft.

7. A cooling machine according to claim 1 or 2, characterized in that the upper surface of the conventional seesaw is further provided with a fixing bar, the fixing bar being arranged transversely with respect to the direction of movement of the material, The two ends are fixedly supported on the side wall, and the fixing rod has a cross-sectional shape suitable for conveying the material or preventing the material from falling backward.

8. A cooling machine according to claim 301, wherein said fixed rod support is stationary The fixed vertical plate is disposed along the moving direction of the material to be cooled, and the upper portion thereof passes through the trampoline, and the lower portion is fixedly supported.

9. A chiller according to claim 7 or claim 8 wherein the fixed rod cross-sectional shape may be triangular, quadrangular, pentagonal or other polygonal.

10. A ribbed slab for use on a cooling machine, the chiller comprising a feed end, a discharge end, a side wall, a boring machine for receiving and supporting the cooled material, and a plenum The ribbed sill includes a conventional sill and a rib disposed on the upper surface thereof and having at least one urging material transverse to the advancing direction of the material to be cooled, the ribbed edge being The direction of motion of the cooling material is reciprocated.

11. The ribbed gusset according to claim 10, wherein the ribbed rib has a triangular cross-sectional shape of a triangle, a quadrangle, a pentagon or other polygonal shape.

12. The ribbed gusset according to claim 11, wherein when the rib cross-sectional shape is a triangle, the inner angle of the surface facing the material advancing direction with respect to the horizontal plane is preferably greater than the inner friction angle of the material to be pushed (or Between the stacking angle and 90°, the internal angle of the surface facing away from the material with respect to the horizontal plane is smaller than the internal friction angle (or stacking angle) of the material being pushed.

13. The ribbed sill according to claim 11, wherein when the boring machine is arranged obliquely, the feeding end is not lower than the discharging end, and at this time, the angle between the bottom edge of the rib of the ribbed plate and the horizontal angle is 0° ~20°, the angle between the lower oblique side and the horizontal direction of the pushing direction is greater than 0°; the angle between the upper oblique side and the horizontal direction of the pushing direction is larger than the internal friction angle of the pushed material, but not more than 90°; The angle between the lower oblique side and the horizontal is not more than 90°, and the angle between the upper oblique side and the horizontal direction in the opposite direction is smaller than the internal friction angle of the pushed material, but greater than 0°.

The ribbed gusset according to any one of claims 10-13, wherein the rib protrudes laterally of one side or two opposite sides of the ribbed ridge in a direction in which the material advances; or The ribs are located transversely of the width of the material in the direction in which the material advances.