阅读说明：本技术 一种生物质颗粒筛选机 (Biomass particle screening machine ) 是由 李秀兰 于 2020-08-07 设计创作，主要内容包括：本发明公开了一种生物质颗粒筛选机,其结构包括入料口、警报器、筛分筒、控制箱、电机、出料口、底座,筛分筒上设有入料口与警报器,在筛分筒的下端相对入料口的一侧设有出料口,筛分筒用控制箱控制,控制箱设在底座上,控制箱与电机采用电性连接,筛分筒内部设有细筛网、细分口、护壳、粗筛网、粗分口、转轴、清洁装置,本发明清洁装置设置的螺纹升降盘与转轴螺旋配合升降,在升降中由螺纹升降盘连接的支杆与升降轮同步升降,利用升降轮的升降打开铰接刮片与直立刮片,在配合转轴旋转中,铰接刮片与筛分筒底面接触,而直立刮片则与筛网接触,从而实现筛分筒的全面清洁,防止筛分筒内有堆积物。(The invention discloses a biomass particle screening machine which structurally comprises a feeding port, an alarm, a screening cylinder, a control box, a motor, a discharging port and a base, wherein the screening cylinder is provided with the feeding port and the alarm, the discharging port is arranged on one side of the lower end of the screening cylinder opposite to the feeding port, the screening cylinder is controlled by the control box, the control box is arranged on the base and is electrically connected with the motor, a fine screen, a fine opening, a protective shell, a coarse screen, a coarse opening, a rotating shaft and a cleaning device are arranged in the screening cylinder, a threaded lifting disc and the rotating shaft are arranged in the cleaning device to be matched in a spiral way for lifting, a support rod connected with the threaded lifting disc is synchronously lifted with a lifting wheel during lifting, a hinged scraping blade and an upright scraping blade are opened by utilizing the lifting of the lifting wheel, the hinged scraping blade is contacted with the bottom surface of the screening cylinder during rotation matched with the rotating shaft, and the upright scraping blade is contacted with the screen, so that the screening, prevent the sieving cylinder from being internally provided with deposits.)

1. The utility model provides a living beings granule sieve separator which characterized in that: the screening machine structurally comprises a feeding port (1), an alarm (2), a screening cylinder (3), a control box (4), a motor (5), a discharging port (6) and a base (7), wherein the feeding port (1) and the alarm (2) are arranged on the screening cylinder (3), the discharging port (6) is arranged on one side of the lower end of the screening cylinder (3) relative to the feeding port (1), the screening cylinder (3) is controlled by the control box (4), the control box (4) is arranged on the base (7), the control box (4) is electrically connected with the motor (5), a fine screen (31), a fine opening (32), a protective shell (33), a coarse screen (34), a coarse opening (35), a rotating shaft (36) and a cleaning device (37) are arranged inside the screening cylinder (3), the fine screen (31) and the coarse screen (34) are of a semicircular structure and are matched with each other to form a circular structure, fine screen cloth (31) and coarse screen cloth (34) are established in the inside of protecting shell (33), fine screen cloth (31) cooperation has fine minute mouth (32), coarse screen cloth (34) cooperation has coarse minute mouth (35), is equipped with cleaning device (37) in the circular screen cloth inside that fine screen cloth (31) and coarse screen cloth (34) formed, cleaning device (37) are rotatory with pivot (36) drive.

2. The biomass particle screening machine of claim 1, wherein: cleaning device (37) include screw thread lifting disk (371), branch (372), lift wheel (373), articulated doctor-bar (374), upright doctor-bar (375), footing cotton pad (376), wheel support piece (377), screw thread lifting disk (371) screw-thread fit is in pivot (36), branch (372) are all installed to the both sides of screw thread lifting disk (371), branch (372) are connected with lift wheel (373) respectively, lift wheel (373) clearance fit is between articulated doctor-bar (374) and upright doctor-bar (375), the bottom of articulated doctor-bar (374) is equipped with footing cotton pad (376), wheel support piece (377) and lift wheel (373) cooperation.

3. The biomass particle screening machine of claim 2, wherein: the lifting wheel (373) is composed of an air filling layer (73a), a colloid wheel body (73b), a connecting shaft (73c) and a connecting port (73d), the air filling layer (73a) is arranged in the colloid wheel body (73b) and located on the outer surface of the connecting shaft (73c), and the colloid wheel body (73b) is provided with the connecting port (73 d).

4. The biomass particle screening machine of claim 3, wherein: the gas-filled layer (73a) is connected and communicated with the coil pipe (77a) through a connecting port (73 d).

5. The biomass particle screening machine of claim 2, wherein: the wheel support member (377) is provided with a coil pipe (77a) and a compression air bag (77b), the compression air bag (77b) is positioned at the bottom of the colloid wheel body (73b), and an exhaust port at the bottom of the compression air bag (77b) is connected with the coil pipe (77 a).

6. The biomass particle screening machine of claim 3, wherein: the connecting shaft (73c) is connected with the supporting rod (372).

Technical Field

The invention relates to the field of biomass processing, in particular to a biomass particle screening machine.

Background

The biomass particles are formed by cold-state compact forming of crushed biomass straws, forestry wastes and other raw materials by using a compression roller and a ring die at normal temperature, the density of the raw materials is generally 0.1-0.13 t/m3, the density of the formed particles is 1.1-1.3 t/m3, the storage and the transportation are convenient, and the combustion performance of the biomass is greatly improved.

In order to improve the combustion performance of biomass and to screen after the biomass particles are formed, and achieve the effect of one row, the existing screening machine mainly adopts a screening cylinder to sort, the surface of the particles after the screening of the screening cylinder often has some impurities, the impurities are screened and left in the screening cylinder to form deposits in the screening cylinder, the residues are not discharged completely, and after the next operation of the screening cylinder, the impurities are solidified into hard blocks due to higher temperature, so that the screening cylinder cannot normally discharge materials.

Disclosure of Invention

The invention aims to provide a biomass particle screening machine which is used for solving the technical problem that the screening cylinder cannot normally discharge materials because the impurities are not discharged completely and are solidified into hard blocks due to high temperature after the next operation of the screening cylinder.

In order to achieve the purpose, the invention is realized by the following technical scheme: a biomass particle screening machine structurally comprises a feeding port, an alarm, a screening barrel, a control box, a motor, a discharging port and a base, wherein the screening barrel is provided with the feeding port and the alarm, a discharge port is arranged on one side of the lower end of the screening cylinder relative to the feed port, the screening cylinder is controlled by a control box, the control box is arranged on the base and is electrically connected with the motor, the screening cylinder is internally provided with a fine screen, a fine opening, a protective shell, a coarse screen, a coarse opening, a rotating shaft and a cleaning device, the fine screen and the coarse screen are both in a semicircular structure, the fine screen mesh and the coarse screen mesh are matched with each other to form a circular structure, the fine screen mesh and the coarse screen mesh are arranged in the protective shell, the fine screen mesh is matched with the fine opening, the coarse screen mesh is matched with the coarse opening, and a cleaning device is arranged in the circular screen formed by the fine screen and the coarse screen and is driven to rotate by a rotating shaft.

Preferably, the cleaning device comprises a threaded lifting disc, supporting rods, a lifting wheel, a hinged scraping blade, an upright scraping blade, a bottom cotton pad and a wheel supporting piece, wherein the threaded lifting disc is in threaded fit with the rotating shaft, the supporting rods are arranged on two sides of the threaded lifting disc and are respectively connected with the lifting wheel, the lifting wheel is movably matched between the hinged scraping blade and the upright scraping blade, the bottom of the hinged scraping blade is provided with the bottom cotton pad, and the wheel supporting piece is matched with the lifting wheel.

Preferably, the lifting wheel comprises a filling air layer, a colloid wheel body, a connecting shaft and a connecting port, wherein the filling air layer is arranged in the colloid wheel body and positioned on the outer surface of the connecting shaft, and the colloid wheel body is provided with the connecting port.

Preferably, the gas filling layer is connected and communicated with the coil pipe through a seam.

Preferably, the wheel support member is provided with a coil pipe and a compression air bag, the compression air bag is located at the bottom of the colloid wheel body, and an exhaust port at the bottom of the compression air bag is connected with the coil pipe.

Preferably, the connecting shaft is connected with the support rod.

Compared with the prior art, the invention has the following beneficial effects:

1. the thread lifting disc and the rotating shaft are arranged in the cleaning device to be matched with each other in a spiral way for lifting, the supporting rod connected with the thread lifting disc and the lifting wheel are synchronously lifted during lifting, the hinged scraping blade and the vertical scraping blade are opened by utilizing the lifting of the lifting wheel, the hinged scraping blade is contacted with the bottom surface of the screening cylinder during the rotation of the rotating shaft in a matching way, and the vertical scraping blade is contacted with the screen, so that the screening cylinder is cleaned comprehensively, and deposits are prevented from being in the screening cylinder.

2. According to the invention, the lifting wheel is matched with the wheel supporting piece, the filling air layer arranged on the wheel supporting piece is matched with the coil pipe and the compressed air bag, the compressed air bag positioned at the bottom can be extruded in the descending process of the colloid wheel body, and the air in the compressed air bag is conveyed into the filling air layer through the coil pipe, so that the whole colloid wheel body is expanded, the close contact between the hinged scraping piece and the bottom layer in the screening cylinder is realized, and the cleaning efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of a biomass particle screening machine of the invention.

Fig. 2 is a schematic top view of the sieving cylinder of the present invention.

Fig. 3 is a schematic view of the front internal structure of the sieving cartridge of the present invention.

Fig. 4 is a schematic view of an open structure of the cleaning device of the present invention.

FIG. 5 is a schematic view of the structure of the wheel support and the lifting wheel.

In the figure: the device comprises a feeding port 1, an alarm 2, a screening drum 3, a control box 4, a motor 5, a discharging port 6, a base 7, a fine screen 31, a subdivision port 32, a protective shell 33, a coarse screen 34, a coarse separation port 35, a rotating shaft 36, a cleaning device 37, a threaded lifting plate 371, a support rod 372, a lifting wheel 373, a hinged scraper 374, an upright scraper 375, a bottom cotton pad 376, a wheel support 377, a filling air layer 73a, a colloid wheel body 73b, a connecting shaft 73c, an engagement port 73d, a coil pipe 77a and a compression air bag 77 b.

Detailed Description

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on or indirectly connected to the other element, and when an element is referred to as being "connected to" the other element, it can be directly connected to or indirectly connected to the other element.

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.