CN213746700U - Sugarcane bagasse storage and conveying system for cane sugar factory - Google Patents

Abstract

The utility model provides a bagasse storage and conveying system of a cane sugar factory, which comprises a feeding conveyer belt, a returning conveyer belt, a residual material conveyer belt, a long-term discharging conveyer belt, a short-term storage room and a long-term storage room, wherein the feeding conveyer belt is arranged between the feeding conveyer belt and a pressing workshop of the sugar factory; a first discharging device is arranged on the feeding conveyer belt; the material returning conveying belt is arranged between the feeding conveying belt and the excess material conveying belt; the excess material conveying belt passes through the short-term storage room, the tail end of the excess material conveying belt is arranged in the long-term storage room, and a second discharging device is arranged on the excess material conveying belt; the long-term discharging conveying belt is arranged between the feeding conveying belt and the long-term storage room; the short-term discharging conveyer belt is arranged between the long-term discharging conveyer belt and the short-term storage room. The utility model discloses can adjust supply and demand balance between cane sugar factory bagasse output and the boiler consumption, guarantee that fuel bagasse goes into stove volume stability under each operating mode of cane sugar factory.

Description

Sugarcane bagasse storage and conveying system for cane sugar factory

Technical Field

The utility model belongs to the technical field of boiler fuel warehousing and transportation, especially, relate to a conveying system is stored to cane sugar factory bagasse.

Background

The boiler of the cane sugar factory takes bagasse which is a byproduct in the sugar manufacturing process as fuel, the materials are locally obtained and digested, the fuel purchasing and transportation cost can be saved, and meanwhile, due to the own composition characteristics of the bagasse, the boiler taking the bagasse as the fuel does not need to be additionally provided with environment-friendly equipment such as flue gas desulfurization and the like, and the construction and operation cost of a thermal power plant can be saved; in addition, bagasse is used as a biomass fuel, and the biomass fuel is used for converting the biomass fuel in situ to directly combust to generate electricity and supply heat, so that the requirements of national energy strategy and industrial policy are met.

Due to the fluctuation of the production process of the sugar industry, the supply and demand imbalance between the bagasse output of a pressing workshop of a sugar mill and the bagasse boiler demand exists frequently, and the bagasse output is often larger than the boiler consumption. Meanwhile, working conditions such as the amount of bagasse entering a boiler and the like need to be adjusted in time due to the change of the load of the boiler during operation, and in addition, for a part of cane sugar factories with external heat supply and power supply tasks, when the output of bagasse of the sugar factories is inconsistent with the steam output of the boiler, the bagasse conveying system needs to efficiently realize timely response and timely coordination between bagasse storage time and the boiler, and quickly adapt to the current operation working condition mode to meet the continuous stability of the amount of bagasse entering the boiler.

Therefore, aiming at the actual current situation of the current engineering, the invention provides the fuel bagasse storage and transportation system which can adjust the supply and demand balance between the output of bagasse in a sugar refinery and the boiler consumption and ensure the stability of the charging amount of the fuel bagasse in each working condition mode of the sugar refinery, and has particularly important practical significance for maintaining the economic and stable operation of the bagasse boiler.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a conveying system is stored to cane sugar factory bagasse can adjust and supply and demand balance between cane sugar factory bagasse output and the boiler consumption, ensures that fuel bagasse gets into stove volume stability under each operating mode of cane sugar factory.

The utility model discloses a realize through following technical scheme:

a bagasse storage and conveying system for a cane sugar factory comprises a feeding conveying belt, a returning conveying belt, a residual conveying belt, a long-term discharging conveying belt, a short-term storage room and a long-term storage room, wherein the feeding conveying belt is arranged between the feeding conveying belt and a sugar factory squeezing workshop and is used for conveying bagasse in the sugar factory squeezing workshop to the feeding conveying belt;

the feeding conveyer belt is provided with a first discharging device for discharging bagasse into the boiler to be combusted;

the return conveyer belt is arranged between the feeding conveyer belt and the excess conveyer belt and is used for transferring bagasse which is not discharged to the boiler to participate in combustion in the feeding conveyer belt to the excess conveyer belt;

the residual material conveying belt passes through the short-term storage room, the tail end of the residual material conveying belt is arranged in the long-term storage room, and a second discharging device used for discharging bagasse into the short-term storage room is arranged on the residual material conveying belt;

the long-term discharging conveyer belt is arranged between the feeding conveyer belt and the long-term storage room and is used for transferring the bagasse stored in the long-term storage room to the starting end of the feeding conveyer belt;

the short-term discharging conveyer belt is arranged between the long-term discharging conveyer belt and the short-term storage room and is used for transferring the bagasse stored in the short-term storage room to the long-term discharging conveyer belt.

Further, including the four sides wall between short-term storage, ground and bridge type driving, the both ends of bridge type driving slide respectively and set up the upper portion at two relative walls, the clout conveyer belt is located the below of bridge type driving one end and sets up the upper portion at corresponding wall, the length direction of clout conveyer belt is perpendicular with the length direction of bridge type driving, short-term ejection of compact conveyer belt is located the below of bridge type driving other end and sets up subaerial, the one end that the bridge type driving is located short-term ejection of compact conveyer belt top is equipped with the traveller, the slip bottom slides and sets up subaerial, the bridge type driving is connected with the rake teeth machine through a plurality of elevating gear, the one end of rake teeth machine inserts in the traveller, and can follow and slide from top to bottom, second discharge apparatus is connected with the bridge type driving, can follow the bridge type driving and remove.

Furthermore, a loading vehicle for supplying materials to the long-term discharging conveying belt is arranged in the long-term storage room, and a plurality of material receiving hoppers are arranged above the starting end of the long-term discharging conveying belt.

Furthermore, the lower parts of the wall of one side of the four walls far away from the excess material conveying belt and the wall close to the tail end of the short-term discharging conveying belt are provided with openings.

And further, a third discharging device for discharging the bagasse to the long-term discharging conveyor belt is arranged on the residual material conveyor belt.

Furthermore, a material separating and conveying belt for receiving bagasse at the tail end of the excess material conveying belt is arranged in the long-term storage room, and a plurality of fourth discharging devices for discharging the bagasse into the long-term storage room are arranged on the material separating and conveying belt at intervals.

Furthermore, the feeding conveyer belt, the returning conveyer belt, the excess material conveyer belt, the long-term discharging conveyer belt, the short-term discharging conveyer belt and the distributing conveyer belt are collectively called as conveyer belts, a steel wire mesh is arranged at the bottom of the conveyer belts, and a detachable rain cover is installed at the top of the conveyer belts.

Furthermore, the tail ends of the feeding conveyer belt, the long-term discharging conveyer belt and the returning conveyer belt are provided with metering devices, and/or the tail end of the long-term discharging conveyer belt is provided with an electromagnetic iron remover.

Further, the feeding conveying belt is a rubber belt conveyor, and the first discharging device is a discharger; or the feeding conveyer belt is a scraper conveyer, the first discharging device is a through hole of a bottom plate of the scraper conveyer, and the through hole is communicated with the boiler feeding port through a chute.

Compared with the prior art, the beneficial effects of the utility model are that: through the collocation and combination of a plurality of conveying belts, a multistage circulation loop is formed, the response speed is high, the independent conveying path is provided with a cane sugar factory squeezing workshop, the independent conveying path is used for synchronously conveying bagasse to a boiler between a short-term storage room and a long-term storage room, the requirement change of working conditions such as the load change of the boiler and the like on bagasse fuel can be quickly met, the continuous stability of the amount of the bagasse fed in the boiler fuel under each operation mode of the sugar factory can be still ensured, meanwhile, the conveying path for returning the bagasse with the surplus boiler requirement to the short-term storage room or the long-term storage room is smooth and complete, the supply and demand balance between the bagasse output amount of the cane sugar factory and the boiler fuel amount can be quickly adjusted, and the system adaptability is strong.

Drawings

FIG. 1 is a process flow diagram of a bagasse storage and conveying system of a cane sugar factory;

fig. 2 is a schematic layout of the bagasse storage and conveying system of the cane sugar factory;

FIG. 3 is a schematic plan view of a short-term storage room of the bagasse storage and conveying system of the sugar cane sugar factory of the present invention;

fig. 4 is a schematic elevation view of a short-term storage room in the bagasse storage and conveying system of the cane sugar factory of the present invention;

fig. 5 is a schematic view of the vertical arrangement of the medium and short term discharging conveyer belt of the bagasse storage and conveying system of the cane sugar factory;

FIG. 6 is a schematic view of the embodiment of FIG. 3 taken along direction A;

FIG. 7 is a schematic view of the present invention taken along the line B in FIG. 4;

fig. 8 is a schematic cross-sectional view of a conveyor belt in a bagasse storage and conveying system of a cane sugar factory.

In the figure, 1-pressing workshop of sugar refinery, 2-feeding conveyer belt, 21-first unloading device, 3-boiler, 4-feeding conveyer belt, 5-returning conveyer belt, 6-excess material conveyer belt, 61-second unloading device, 62-third unloading device, 7-long-term discharging conveyer belt, 71-receiving hopper, 72-electromagnetic iron remover, 8-short-term discharging conveyer belt, 9-short-term storage room, 91-wall, 911-opening, 92-bridge crane, 93-sliding column, 94-lifting device, 95-rake tooth machine, 96-vehicle type tension device, 97-ground, 10-long-term storage room, 101-loading vehicle, 102-distributing conveyer belt, 103-fourth unloading device, 11-steel wire mesh, 12-a rain cover, and 13-a metering device.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 and fig. 2, fig. 1 is a process flow diagram of the bagasse storage and conveying system of the sugar cane factory, and fig. 2 is a schematic layout diagram of the bagasse storage and conveying system of the sugar cane factory. A bagasse storage and conveying system of a cane sugar factory, which comprises a feeding conveyer belt 2, a boiler 3, a feeding conveyer belt 4, a returning conveyer belt 5, a residual material conveyer belt 6, a long-term discharging conveyer belt 7, a short-term discharging conveyer belt 8, a short-term storage room 9 and a long-term storage room 10, the bagasse in the pressing workshop 1, the short-term storage workshop 9 and the long-term storage workshop 10 of the sugar mill is conveyed to the boiler 3 to be combusted through the matching and combination of a plurality of conveyor belts, and can convey the bagasse required by the surplus boiler 3 to the short-term storage room 9 and the long-term storage room 10 for temporary storage, form a multi-stage circulation loop, have high response speed, have independent conveying paths for synchronously conveying the bagasse to the boiler 3 in the sugar mill pressing workshop 1, the short-term storage room 9 and the long-term storage room 10, can quickly meet the requirement change of working conditions such as load change of a boiler 3 and the like on bagasse fuel, and can quickly adjust the supply and demand balance between the bagasse output of a cane sugar factory 1 and the fuel consumption of the boiler 3.

Specifically, the feeding conveyer belt 4 is arranged between the feeding conveyer belt 2 and the sugar mill pressing workshop 1 and is used for transferring bagasse in the sugar mill pressing workshop 1 to the feeding conveyer belt 2; the starting end of the feeding conveyer belt 4 is arranged in the sugar mill pressing workshop 1, and the starting end is a material receiving port for receiving bagasse in the sugar mill pressing workshop 1. The feeding conveyer belt 2 is provided with a first discharging device 21 for discharging bagasse into the boiler 3 for combustion; the feeding conveyer belt 2 is mainly used for conveying bagasse into the boiler 3 for combustion, can be arranged in a feeding layer between the boilers 3, and the type of the feeding conveyer belt 2 can be selected as a belt conveyer or a scraper conveyer according to actual conditions. In one embodiment, the feeding conveyor 2 is a belt conveyor, the first discharging device 21 is an adjustable discharger, and the discharging capacity ranges from 0% to 100% of the rated conveyor capacity. The bagasse on the belt conveyor is discharged into the boiler 3 through a discharger and combusted. In one embodiment, the feeding conveyor belt 2 is a scraper conveyor, and the first discharging device 21 is a through hole of a bottom plate of the scraper conveyor, and the through hole is communicated with a feeding port of the boiler 3. Specifically, the through hole and the feeding port of the boiler 3 can be connected and transited by a chute.

The return conveyer belt 5 is arranged between the feeding conveyer belt 2 and the excess conveyer belt 6 and is used for transferring bagasse which is not discharged to the boiler to participate in combustion in the feeding conveyer belt 2 to the excess conveyer belt 6; the material returning conveying belts 5 are mainly used for carrying functions, and the arrangement number of the material returning conveying belts 5 can be determined according to the actual arrangement condition. In this embodiment, two returning conveyer belts 5 can be arranged in steps to receive and transfer the non-discharged bagasse in the feeding conveyer belt 2 to the residue conveyer belt 6.

The arrangement of the excess material conveyer belt 6 passes through the short-term storage room 9, the tail end of the excess material conveyer belt is arranged in the long-term storage room 10, the excess material conveyer belt 6 is provided with a second discharging device 61 for discharging bagasse into the short-term storage room 9, the second discharging device is a switch type discharger, the discharging amount cannot be adjusted, the second discharging device only has full-on and full-off functions, and the discharging capacity is 100% of the rated conveyer belt capacity. The end of the excess material conveyer belt 6 is disposed in the long-term storage room 10, and the bagasse which is not discharged to the short-term storage room 9 is transferred to the long-term storage room 10. In one embodiment, a separating conveyor 102 for receiving the bagasse at the end of the residual conveyor 6 is disposed in the long-term storage room, and a plurality of fourth discharging devices 103 for discharging the bagasse into the long-term storage room 10 are disposed at intervals on the separating conveyor 102. The number of the fourth discharging devices 103 is determined according to the field size of the long-term storage room 10, and the fourth discharging devices 103 discharge the bagasse on the separating conveyor belt 102 to all parts of the long-term storage room 10 more uniformly, so as to improve the field utilization efficiency of the long-term storage room. The fourth discharging device is a switch type discharger, can not adjust the discharging amount, only has full-on and full-off functions, and the discharging capacity is 100 percent of the rated capacity of the conveying belt. In one embodiment, the residual conveyor belt 6 is provided with a third discharge device 62 for discharging bagasse onto the long-term discharge conveyor belt 7. The third discharging device is an adjustable discharger, the discharging capacity range is 0-100% of the rated conveyor belt capacity, and the actual discharging amount is adjusted by operators in real time according to the operation condition of the boiler.

The long-term discharging conveyer belt 7 is arranged between the feeding conveyer belt 2 and the long-term storage room 10 and is used for conveying the bagasse stored in the long-term storage room 10 to the starting end of the feeding conveyer belt 2; a short-term discharge conveyor belt 8 is arranged between the long-term discharge conveyor belt 7 and the short-term storage 9 for conveying the bagasse stored in the short-term storage 9 to the long-term discharge conveyor belt 7. The long-term discharging conveying belt 7 conveys the stored bagasse in the short-term storage room 9 and the long-term storage room 10 to the feeding conveying belt 2, so that the conveying capacity of the bagasse on the feeding conveying belt 2 can be increased rapidly, and further, the requirement change of working conditions such as load change of the boiler 3 and the like on bagasse fuel can be met rapidly. In one embodiment, a loading vehicle 101 for supplying the long-term discharge conveyor 7 is disposed in the long-term storage room 10, and a plurality of receiving hoppers 71 are disposed above the starting end of the long-term discharge conveyor 7. The long-term storage room 10 is an open storage yard, and bagasse stored in the long-term storage room 10 is shoveled and conveyed into the receiving hopper 71 through the loading vehicle 101, so that the long-term discharging conveyor belt 7 is fed.

Please refer to fig. 3 to fig. 5, fig. 3 is a schematic plan view of the sugar cane bagasse storage and conveying system of the present invention during short-term storage, fig. 4 is a schematic elevation view of the sugar cane bagasse storage and conveying system of the present invention during short-term storage, and fig. 5 is a schematic elevation view of the discharge conveyor belt of the sugar cane bagasse storage and conveying system of the present invention during short-term storage. In one embodiment, the short-term storage space 9 comprises four walls 91, a ground 97 and a bridge crane 92, the four walls 91 are sequentially connected to form a rectangle, two ends of the bridge crane 92 are respectively arranged on the upper parts of the two opposite walls 91 in a sliding manner, the excess material conveyer belt 6 is arranged below one end of the bridge crane 92 and on the upper part of the corresponding wall 91, the length direction of the excess material conveyer belt 6 is perpendicular to the length direction of the bridge crane 92, the short-term discharging conveyer belt 8 is arranged below the other end of the bridge crane 92 and under the ground 97, one end of the bridge crane 92 above the short-term discharging conveyer belt 8 is provided with a slide column 93, the bottom end of the slide column 93 is arranged on the ground 97 in a sliding manner, the bridge crane 92 is connected with a rake tooth machine 95 through a plurality of lifting devices 94, one end of the rake tooth machine 95 is inserted into the slide column 93 and can slide up and down along the slide column 93, the second discharging device 61 is connected with the bridge crane 92, can follow the bridge crane 92. The horizontal movement of the bridge crane 92 can drive the rake tooth machine 95 and the second discharging device 61 to move, in the feeding stage of the short-term storage space 9, the second discharging device 61 slides on the excess material conveying belt 6, so that the fed bagasse can be uniformly stacked and distributed in the short-term storage space 9, and the space utilization rate of a factory building is high; in the discharging stage of the short-term storage space 9, the rake teeth machine 95 moves to realize uniform discharging of the bagasse stored in the short-term storage space 9. In one embodiment, the ground 97 of the short-term storage room 9 is provided with a slide rail, and the bottom end of the sliding column 93 is embedded on the slide rail. In one embodiment, a pit is formed in the ground 97 of the short-term storage room 9, the short-term discharge conveyor belt 8 is disposed in the pit, and guide plates are disposed between the two sides of the short-term discharge conveyor belt 8 in the width direction and the side walls of the pit for guiding the bagasse to flow to the conveyor belt, so as to ensure that the bagasse does not scatter on other areas of the pit except the short-term discharge conveyor belt 8. In one embodiment, the short term storage space 9 further includes a cart-type tensioning device 96, and the cart-type tensioning device 96 is connected to the beginning of the short term outfeed conveyor belt 8. So as to ensure the tensioning degree of the short-term discharging conveying belt 8 in the operation process.

Referring to fig. 6 and 7 in combination, fig. 6 is a schematic view of direction a of fig. 3 according to the present invention, and fig. 7 is a schematic view of direction B of fig. 4 according to the present invention. In one embodiment, the four walls 91 of the short term storage space 9 are provided with openings 911 on the side away from the discard conveyor 6 and the lower part of the wall near the end of the short term discharge conveyor 8. The bagasse stored in the short-term storage room 9 can be directly shoveled and operated to the long-term storage room 10 through the loading vehicle 101, or the bagasse stored in the long-term storage room 10 can be directly shoveled and operated to the short-term storage room 9 through the loading vehicle 101, the bagasse stored in the long-term storage room 10 and the bagasse stored in the short-term storage room 9 can be mutually dumped and transported through the loading vehicle 101, and the bagasse discharging modes in the long-term storage room 10 and the short-term storage room 9 are various and the operation is stable and reliable. The height of the opening 911 at the lower part of the wall 91 is 1.5 to 2 times higher than that of the loading vehicle 101.

In one embodiment, the end of the feed conveyor belt 4, the long-term discharge conveyor belt 7 and the return conveyor belt 5 are provided with a metering device 13, and the metering device 13 is arranged so that the weight of the bagasse entering the boiler 3 can be obtained by a subtraction method. Preferably, the metering device 13 is an electronic belt scale, and in one embodiment, the end of the long-term discharging conveyor belt 7 is provided with an electromagnetic iron remover 72. The electromagnetic iron remover 72 is used for removing metal impurities such as iron sheets carried in bagasse, so that the metal impurities are prevented from entering the boiler 3, and the long-term safe operation of the equipment is guaranteed.

Please refer to fig. 8, fig. 8 is a schematic cross-sectional view of a conveyor belt in a bagasse storage and conveying system of a cane sugar factory according to the present invention. In an embodiment, the feeding conveyer belt 2, the feeding conveyer belt 4, the returning conveyer belt 5, the excess material conveyer belt 6, the long-term discharging conveyer belt 7, the short-term discharging conveyer belt 8 and the distributing conveyer belt 102 are collectively referred to as conveyer belts, a steel wire mesh 11 is arranged at the bottom of the conveyer belts, and a detachable rain cover 12 is installed at the top of the conveyer belts. The steel wire mesh 11 is used for bearing parts falling off during operation or maintenance of the conveying belt.

The utility model discloses during the operation, the bagasse that sugar mill squeezed workshop 1 produced carries to feed conveyer belt 2 through pay-off conveyer belt 4, bagasse in feed conveyer belt 2 unloads through first discharge apparatus 21 and puts to boiler 3 and participate in the burning as fuel, still surplus bagasse carries to clout conveyer belt 6 through return charge conveyer belt 5 after unloading, bagasse in clout conveyer belt 6 can unload through third discharge apparatus 62 and put to long-term ejection of compact conveyer belt 7, also can unload by arranging second discharge apparatus 61 in short-term storage 9 and put to short-term storage 9, the bagasse that does not unload in clout conveyer belt 6 carries at last to distributing conveyer belt 102 and supplies to unload to long-term storage 10 storages.

When the sugar mill press shop 1 is in a non-press season or the bagasse from the sugar mill press shop 1 is interrupted and the operation of the boiler 3 is still required to be maintained, the bagasse stored in the short-term storage 9 is first conveyed to the short-term discharge conveyor belt 8 by the rake-tooth machine 95, or the bagasse stored in the short-term storage 9 is directly conveyed to the short-term discharge conveyor belt 8 by the loading vehicle 101, conveyed to the long-term discharge conveyor belt 7 by the short-term discharge conveyor belt 8, and conveyed to the feed conveyor belt 2 by the long-term discharge conveyor belt 7. When the bagasse in the short-term storage room 9 is completely consumed, the bagasse in the long-term storage room 10 is conveyed to the long-term discharge conveyor belt 7 through the loading vehicle 101, and is conveyed to the boiler 3 through the feeding conveyor belt 2, so that the fuel demand of the boiler 3 in normal operation is maintained, and the bagasse discharge mode is various and the operation is stable and reliable.

When the output of bagasse in a sugar mill pressing workshop 1 is not changed and the amount of bagasse entering a boiler 3 needs to be increased, under the condition that the amount of bagasse conveyed by a conveying conveyer belt 4 is kept unchanged, the bagasse in a long-term storage room 10 or a short-term storage room 9 is synchronously conveyed to a feeding conveyer belt 2 by starting a long-term discharging conveyer belt 7 and a short-term discharging conveyer belt 8, the conveying amount of the bagasse on the feeding conveyer belt 2 is rapidly increased, and further the requirement change of the amount of fuel of the boiler 3 is met. When it is desired to reduce the amount of bagasse that enters the boiler 3, the feed section can now meet the demand change in the fuel supply to the boiler 3 by only operating the feed conveyor belt 4, by reducing the discharge amount of the first discharge device 21. Bagasse which is not discharged from the feeding conveyer belt 2 and participates in combustion is conveyed to the short-term storage room 9 and the long-term storage room 10 through the return conveyer belt 5 and the excess conveyer belt 6 for storage and standby. Through the matching and combination of the conveying belts, when the output of the bagasse in the pressing workshop 1 of the sugar mill is greater than the consumption of the boiler 3, the residual bagasse can be timely conveyed to the short-term storage room 9 and the long-term storage room 10 for storage, and when the output of the bagasse in the pressing workshop 1 of the sugar mill is less than the consumption of the boiler 3, the bagasse stored in the short-term storage room 9 and the long-term storage room 10 can also be independently and quickly returned to the boiler 3.

Compared with the prior art, the beneficial effects of the utility model are that: through the collocation and combination of a plurality of conveying belts, a multistage circulation loop is formed, the response speed is high, the independent conveying path for synchronously conveying bagasse to the boiler 3 is provided with a cane sugar factory squeezing workshop 1, a short-term storage room 9 and a long-term storage room 10, the requirement change of working conditions such as the load change of the boiler 3 and the like on bagasse fuel can be quickly met, the continuous stability of the amount of the bagasse fed in the boiler fuel can still be ensured under each operation mode of the sugar factory, meanwhile, the conveying path for returning the bagasse with the surplus boiler requirement to the short-term storage room or the long-term storage room is smooth and complete, the supply and demand balance between the output amount of the bagasse of the cane sugar factory and the boiler fuel amount can be quickly adjusted, and the system adaptability is strong.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any form, so that any simple modification, equivalent change and modification made by the technical entity of the present invention to the above embodiments without departing from the technical solution of the present invention all fall within the scope of the technical solution of the present invention.

Claims (9)

1. A bagasse storage and conveying system for a cane sugar factory is characterized by comprising a feeding conveying belt, a returning conveying belt, a residual conveying belt, a long-term discharging conveying belt, a short-term storage room and a long-term storage room, wherein the feeding conveying belt is arranged between the feeding conveying belt and a sugar factory squeezing workshop and is used for conveying bagasse in the sugar factory squeezing workshop to the feeding conveying belt;

the feeding conveyer belt is provided with a first discharging device for discharging bagasse into the boiler to be combusted;

the return conveyer belt is arranged between the feeding conveyer belt and the excess conveyer belt and is used for transferring bagasse which is not discharged to the boiler to participate in combustion in the feeding conveyer belt to the excess conveyer belt;

the excess material conveying belt penetrates through the short-term storage room, the tail end of the excess material conveying belt is arranged in the long-term storage room, and a second discharging device used for discharging bagasse into the short-term storage room is arranged on the excess material conveying belt;

the long-term discharging conveyer belt is arranged between the feeding conveyer belt and the long-term storage room and is used for transferring the bagasse stored in the long-term storage room to the starting end of the feeding conveyer belt;

the short-term discharging conveyer belt is arranged between the long-term discharging conveyer belt and the short-term storage room and is used for transferring the bagasse stored in the short-term storage room to the long-term discharging conveyer belt.

2. A sugar cane sugar refinery bagasse storage and conveying system according to claim 1, wherein the short-term storage room comprises four walls, a floor and a bridge crane, the two ends of the bridge crane are slidably disposed on the upper portions of the two opposite walls, respectively, the excess material conveyer belt is disposed below one end of the bridge crane and on the upper portion of the corresponding wall, the length direction of the excess material conveyer belt is perpendicular to the length direction of the bridge crane, the short-term discharging conveyer belt is disposed below the other end of the bridge crane and under the floor, the end of the bridge crane above the short-term discharging conveyer belt is provided with a slide post, the sliding bottom end is slidably disposed on the floor, the bridge crane is connected to a rake tooth machine through a plurality of lifting devices, one end of the rake tooth machine is inserted into the slide post and can slide up and down along the slide, and the second discharging device is connected to the bridge crane, can move along with the bridge crane.

3. A sugar cane bagasse storage and conveying system for a cane sugar mill according to claim 2, wherein a loading cart for feeding a long-term discharge conveyor belt is provided in the long-term storage room, and a plurality of receiving hoppers are provided above the starting end of the long-term discharge conveyor belt.

4. A sugar cane bagasse storage conveyor system according to claim 3, wherein the walls of the four walls distal from the residue conveyor belt and the lower portion of the wall proximal to the end of the short run discharge conveyor belt are provided with openings.

5. A sugarcane bagasse storage and conveying system in a cane sugar mill according to claim 1, characterized in that the residue conveyor belt is provided with a third discharge device for discharging bagasse onto the long-term discharge conveyor belt.

6. A sugar cane factory bagasse storage and conveying system according to claim 1, wherein a separating conveyor belt for receiving bagasse conveyed by a residue conveyor belt is arranged in the long-term storage room, and a plurality of fourth discharging devices for discharging the bagasse into the long-term storage room are arranged on the separating conveyor belt at intervals.

7. A sugarcane bagasse storage and conveying system in a cane sugar factory according to claim 6, wherein the feeding conveyer belt, the returning conveyer belt, the excess material conveyer belt, the long-term discharging conveyer belt, the short-term discharging conveyer belt and the distributing conveyer belt are collectively called conveyer belts, the bottom of the conveyer belts is provided with a steel wire mesh, and the top of the conveyer belts is provided with a detachable rain cover.

8. A sugar cane bagasse storage and conveying system in a sugar cane mill according to claim 1, characterized in that the end ends of the feeding conveyor belt, the long-term discharging conveyor belt and the returning conveyor belt are provided with a metering device, and/or the end of the long-term discharging conveyor belt is provided with an electromagnetic iron remover.

9. A sugar cane mill bagasse storage conveyor system according to claim 1, wherein the feed conveyor belt is a belt conveyor and the first discharge device is a discharger; or the feeding conveyer belt is a scraper conveyer, the first discharging device is a through hole in the bottom plate of the scraper conveyer, and the through hole is communicated with the boiler feeding port through a chute.

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