CN215808604U

CN215808604U - Pretreatment device of combustion system

Info

Publication number: CN215808604U
Application number: CN202121700090.7U
Authority: CN
Inventors: 曹承阳; 徐茂霖; 刘金鑫; 吴家豪; 刘欢
Original assignee: Huazhong University of Science and Technology
Current assignee: Huazhong University of Science and Technology
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-02-11
Anticipated expiration: 2031-07-26

Abstract

The utility model provides a pretreatment device of a combustion system, and belongs to the field of forest fire prevention equipment. This preprocessing device is including installing front wheel, collection unit, transportation unit and the storage unit on the rack, wherein: the front wheel is arranged in front of the rack; the leaf falling sweeping disc in the collecting unit is connected with the rack through a lifting arm and is driven by a motor to rotate; a bucket in the transfer unit is arranged behind the leaf falling sweeping disc to collect swept forest combustible materials, and meanwhile, the bucket is connected with the rack through a turning rotating shaft to turn under the driving of the turning rotating shaft; the conveying assembly is arranged behind the bucket and used for conveying the collected forest combustible; a storage unit is disposed at a distal end of the conveyor assembly for storing forest combustibles. Compared with a leaf suction device, the power of the utility model is greatly reduced, the utility model can be better adapted to the practical application environment of the forest combustible combustion system, and the forest combustible combustion system is ensured to realize the technical goal of self-energy supply.

Description

Pretreatment device of combustion system

Technical Field

The utility model belongs to the field of forest fire prevention equipment, and particularly relates to a pretreatment device of a combustion system.

Background

Forest fires have the problems of strong burst, large destructive power and difficult disposal and rescue, are easy to cause great economic and forest resource loss, and seriously harm the life and property safety of people. In order to reduce the forest resource loss caused by fire, the forest fire prevention and control, especially the combustible control work, will be the central importance of future work in China.

The existing combustible management methods in China mainly comprise a mechanical cleaning method, a planned burning method and the like. Among them, the mechanical cleaning method causes ecological damage and has high disposal difficulty and cost; the planned burning method has high professional requirements, strict technical specifications and related safety measures are required to ensure the safety in the burning process, and the planned burning method is limited to be popularized nationwide due to the strict specifications of various planned burning methods. There is therefore a need for a safe and efficient method or technique for the disposal of combustible materials in forests that meets the requirements for the disposal of forest combustible materials. The forest combustible combustion system based on the heat management technology can safely, cleanly and efficiently burn and treat the combustible excessively accumulated in the forest on the spot, and provides a reasonable solution for forest fire prevention and control.

The working process of the forest combustible combustion system is full-automatic, and the forest combustible can be combusted only by a series of necessary pretreatment processes including collection, screening, drying, crushing, temporary storage, conveying and the like. However, the power generation of the forest combustible combustion system is very limited, the existing leaf suction device is usually high in working power and cannot be directly used, and the leaf suction device can suck a large amount of dust and impurities, so that the equipment is inconvenient to clean.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a pretreatment device of a combustion system, aiming at solving the problems of overlarge power consumption, single function and difficult cleaning of the conventional pretreatment device.

To achieve the above object, the present invention provides a pretreatment device for a combustion system, the pretreatment device including front wheels mounted on a rack, a collection unit, a transfer unit, and a storage unit, wherein:

the front wheel is arranged in front of the rack so as to drive the pretreatment device to move;

the collecting unit comprises a fallen leaf sweeping disc and a lifting arm, and the fallen leaf sweeping disc is connected with the rack through the lifting arm and rotates under the driving of a motor;

the transfer unit comprises a bucket, a turning rotating shaft and a conveying assembly, the bucket is arranged behind the leaf falling sweeping disc to collect swept forest combustible materials, and meanwhile, the bucket is connected with the rack through the turning rotating shaft to turn under the driving of the turning rotating shaft; the conveying assembly is arranged behind the bucket and used for conveying the collected forest combustible;

the storage unit is arranged at the end of the conveying assembly and is used for storing the forest combustible.

Preferably, the pretreatment device further comprises a drying unit fixed above the conveyor belt, the drying unit comprises a drying chamber and a heat pipe, the top and the front end of the drying chamber are provided with ventilation grids, the tail of the drying chamber is provided with an induced draft fan, and the heat pipe is installed inside the drying chamber and used for introducing smoke of a forest combustible combustion system to dry the forest combustible.

Preferably, in the collecting unit, the leaf sweeping disc is connected with the lifting arm through an auxiliary rotating shaft, and the lifting arm is connected with the rack through a main rotating shaft, so that the relative angle of the leaf sweeping disc and the ground is controlled through the auxiliary rotating shaft and the main rotating shaft.

Preferably, the conveying assembly comprises an inclined conveyor belt, a horizontal conveyor belt and a conveyor belt motor, the inclined conveyor belt is connected with the horizontal conveyor belt to form a conveyor belt, the inclined conveyor belt is arranged behind the bucket, the horizontal conveyor belt is arranged above the storage unit, and the conveyor belt motor is connected with the conveyor belt and used for driving the conveyor belt to run.

As a further preference, the floor of the bucket is provided with a mesh, while the bottom of the bucket is fitted with rollers.

As a further preferred, the storage unit comprises a material receiving port, a fallen leaf temporary storage box and a screw feeder which are sequentially arranged from top to bottom, the material receiving port is connected with an inlet of the fallen leaf temporary storage box, a rotary pulverizer is arranged at the joint, and the screw feeder is connected with an outlet of the fallen leaf temporary storage box.

Generally, compared with the prior art, the above technical solution conceived by the present invention has the following beneficial effects:

1. the utility model collects the forest combustible by the way of matching the fallen leaf sweeping disc, the bucket and the conveying assembly, and compared with the traditional leaf suction device, the power is greatly reduced, the utility model can better adapt to the practical application environment of the forest combustible combustion system, and ensure that the forest combustible combustion system realizes the technical goal of self-energy supply;

2. meanwhile, the drying unit is arranged and the forest combustible is dried by using the smoke in consideration of the fact that the forest combustible combustion system generates more heat during working, so that the energy utilization efficiency of the forest combustible combustion system can be effectively improved, and the combustion stability is ensured;

3. in addition, the specific structure of the bucket is optimized, most of impurities such as sand and stone can be effectively screened, damage to the mechanical structure of a forest combustible combustion system is avoided, and the cleaning cost of equipment is effectively reduced.

Drawings

Fig. 1 is a schematic structural diagram of a pretreatment device of a combustion system according to an embodiment of the present invention.

The same reference numbers will be used throughout the drawings to refer to the same or like elements or structures, wherein:

1-fallen leaf sweeping plate, 2-auxiliary rotating shaft, 3-lifting arm, 4-bucket, 5-roller, 6-overturning rotating shaft, 7-conveyer motor, 8-main rotating shaft, 9-front wheel, 10-inclined conveyer belt, 11-horizontal conveyer belt, 12-drying chamber, 13-heat pipeline, 14-material receiving port, 15-fallen leaf temporary storage box, 16-spiral feeder and 17-rack.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The utility model provides a pretreatment device of a combustion system, which comprises a front wheel 9 arranged on a rack 17, a collection unit, a transfer unit and a storage unit, wherein:

the front wheel 9 is arranged in front of the rack 17 to drive the pretreatment device to move;

the collecting unit comprises a fallen leaf sweeping disc 1 and a lifting arm 3, the fallen leaf sweeping disc 1 is a circular sweeping disc made of a fine soft brush, the two fallen leaf sweeping discs 1 are symmetrically arranged at the foremost end of the device and are positioned at the separated positions, and a gap between the two fallen leaf sweeping discs allows forest combustible to pass through; meanwhile, the two leaf-falling sweeping discs 1 are respectively connected with the rack 17 through the lifting arms 3 at the two sides and rotate under the driving of a motor;

the transfer unit comprises a bucket 4, a turning rotating shaft 6 and a conveying assembly, the bucket 4 is arranged behind the leaf falling sweeping disc 1 to collect swept forest combustible materials, and meanwhile, the bucket 4 is connected with a rack 17 through the turning rotating shaft 6 to turn under the driving of the turning rotating shaft 6; the conveying assembly is arranged behind the bucket 4 and comprises an inclined conveying belt 10, a horizontal conveying belt 11 and a conveying belt motor 7, the inclined conveying belt 10 is connected with the horizontal conveying belt 11 to form a conveying belt, the inclined conveying belt 10 with a large-angle inclined groove is arranged behind the bucket 4 and conveys forest combustible materials upwards to the horizontal conveying belt 11 after receiving the forest combustible materials, the horizontal conveying belt 11 is arranged above the storage unit, the conveying belt motor 7 is connected with the conveying belt and is used for driving the conveying belt to run, the conveying belt motor 7 can realize the control of falling leaf conveying speed through different rotating speeds, and the rotating speed can be reduced during no-load to save energy;

the storage unit is arranged at the tail end of the conveying assembly and comprises a material receiving opening 14, a fallen leaf temporary storage box 15 and a spiral feeder 16 which are sequentially arranged from top to bottom, the material receiving opening 14 is in an inverted cone shape, is positioned below the horizontal conveying belt 11 and is connected with an inlet of the fallen leaf temporary storage box 15, and a rotary crusher is arranged at the connecting position of the material receiving opening and the horizontal conveying belt, so that the forest combustible materials are crushed; a 15-position inverted rectangular terrace of the fallen leaves temporary storage box, wherein the larger upper space of the terrace can store the crushed forest combustible, and the lower space of the terrace is narrow and is provided with a cylindrical screw feeder 16; the screw feeder 16 is connected with a combustion unit of the forest combustible combustion system, a rotating motor at the front end of the fallen leaves temporary storage box 15 rotates to drive the fallen leaves temporary storage box to work, smashed forest combustible is pushed backwards at a certain speed to provide fuel for the combustion unit, and meanwhile the feeding speed of the screw feeder 16 can be controlled by adjusting the rotating speed of the rotating motor to adapt to various working conditions of the forest combustible combustion system.

Further, the pretreatment device also comprises a drying unit which is fixed above the conveyor belt and comprises a drying chamber 12 and a heat pipe 13, wherein the top and the front end of the drying chamber 12 are provided with ventilation grids, the tail part of the drying chamber is provided with an induced draft fan, the rest part of the drying chamber is a heat insulation shell, the heat pipe 13 is arranged in the drying chamber 12, and hot flue gas generated by a forest combustible combustion system flowing in the heat pipe 13; during operation, cold air blown in by the induced draft fan is heated by the heat pipeline 13 into dry hot air, a drying environment is formed in the drying chamber 12, forest combustible materials conveyed by the horizontal conveying belt 11 are dried, and the dry hot air carries water and air to be sent out from the top and the front end of the drying chamber 12.

Furthermore, in the collecting unit, two leaf-falling sweeping disks 1 are respectively connected with a lifting arm 3 through an auxiliary rotating shaft 2, the lifting arm 3 is connected with a rack 17 through a main rotating shaft 8, the main rotating shaft 8 rotates under the driving of a motor during working, and the lifting and falling of the lifting arm 3 are controlled, so that the leaf-falling sweeping disks 1 can keep a proper distance from the ground, the leaf-falling sweeping disks 1 are prevented from being damaged due to collision while the leaves are collected, and the hair brush is prevented from being excessively worn; meanwhile, the auxiliary rotating shaft 2 controls the relative angle between the leaf falling sweeping disc 1 and the ground through a motor, so that forest combustible materials can be swept into the bucket 4 efficiently. The front end of the rack 17 is provided with a road surface detection assembly which can collect the quantity of combustible materials and road condition data and feed back the data to a master control system so as to control the angle adjustment of the main rotating shaft 8 and the auxiliary rotating shaft 2 and the rotating speed of the fallen leaf sweeping disc 1.

Further, scraper bowl 4 is close to ground, and be located before the front wheel 9, behind the leaf sweeping plate 1, scraper bowl 4 bottom is the bottom plate of taking the mesh, and both sides are the baffle to install the sensor on scraper bowl 4, during the work, leaf sweeping plate 1 sweeps into scraper bowl 4 with forest combustible such as leaf and little branch, and the mesh of scraper bowl bottom can filter partly stone and sand and soil, and prevents through the baffle of both sides that forest combustible drops. Sensor on the scraper bowl 4 can detect forest combustible and whether collect to fill to feed back to total control system, rotate with control upset pivot 6, send the forest combustible of collecting to inclined conveyor 10, topple over the 4 whereabouts of back scraper bowl that finish, continue to collect forest combustible. Meanwhile, the bottom of the bucket 4 is provided with a roller 5, so that the bucket is in rolling contact with the ground to prevent the bucket from being abraded, and the bucket can cross certain obstacles.

The working flow of the pretreatment device of the combustion system provided by the utility model is further explained below. The fallen leaf sweeping disc 1 rotates to sweep forest combustible into the bucket 4, and after the bucket 4 collects the full forest combustible, the forest combustible can be dumped onto the inclined conveyor belt 10 under the driving of the turnover rotating shaft 6, and the forest combustible is conveyed to the horizontal conveyor belt 11 through the inclined conveyor belt 10 and then conveyed to the material receiving port 14 through the horizontal conveyor belt 11. Forest combustible materials enter the fallen leaves temporary storage box 15 after being crushed, and fuel is supplied to a forest combustible material combustion system by a screw feeder 16.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the utility model, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A pre-treatment device of a combustion system, characterized in that it comprises front wheels (9) mounted on a gantry (17), a collection unit, a transfer unit and a storage unit, wherein:

the front wheel (9) is arranged in front of the rack (17) to drive the pretreatment device to move;

the collecting unit comprises a fallen leaf sweeping disc (1) and a lifting arm (3), wherein the fallen leaf sweeping disc (1) is connected with a rack (17) through the lifting arm (3) and rotates under the driving of a motor;

the transfer unit comprises a bucket (4), a turning rotating shaft (6) and a conveying assembly, the bucket (4) is arranged behind the leaf falling sweeping disc (1) to collect swept forest combustible materials, and meanwhile, the bucket (4) is connected with a rack (17) through the turning rotating shaft (6) to be turned under the driving of the turning rotating shaft (6); the conveying assembly is arranged behind the bucket (4) and is used for conveying collected forest combustible materials;

2. A pre-treatment device for a combustion system as in claim 1, characterized in that the pre-treatment device further comprises a drying unit fixed above the conveyor belt, which comprises a drying chamber (12) and a heat pipe (13), the top and front end of the drying chamber (12) are provided with a ventilation grid, the tail of which is provided with an induced air fan, and the heat pipe (13) is arranged inside the drying chamber (12) for passing the smoke of the combustion system of the forest combustibles to dry the forest combustibles.

3. The pretreatment device for a combustion system as set forth in claim 1, wherein in the collecting unit, the leaf-fall sweeping disk (1) is connected to the arm (3) for taking off and landing through the auxiliary rotating shaft (2), and the arm (3) for taking off and landing is connected to the stage (17) through the main rotating shaft (8), whereby the relative angle of the leaf-fall sweeping disk (1) to the ground is controlled through the auxiliary rotating shaft (2) and the main rotating shaft (8).

4. The pretreatment device for a combustion system according to claim 1, wherein said conveyor assembly comprises an inclined conveyor belt (10), a horizontal conveyor belt (11) and a conveyor belt motor (7), said inclined conveyor belt (10) being connected to said horizontal conveyor belt (11) to form a conveyor belt, wherein said inclined conveyor belt (10) is disposed behind said bucket (4), said horizontal conveyor belt (11) is disposed above said storage unit, and said conveyor belt motor (7) is connected to said conveyor belt for driving said conveyor belt to operate.

5. Pretreatment device for combustion system according to claim 1, characterized in that the floor of the bucket (4) is provided with a mesh, while the bottom of the bucket (4) is fitted with rollers (5).

6. The pretreatment device for a combustion system according to any one of claims 1 to 5, wherein the storage unit comprises a receiving port (14), a fallen leaf temporary storage tank (15) and a screw feeder (16) which are arranged in sequence from top to bottom, the receiving port (14) is connected with an inlet of the fallen leaf temporary storage tank (15), a rotary crusher is installed at the connection, and the screw feeder (16) is connected with an outlet of the fallen leaf temporary storage tank (15).