CN213975770U - Conveyer is handled to biological material - Google Patents

Abstract

The utility model discloses a biological material processing and conveying device, wherein biological raw materials are crushed and then conveyed to a high-level feed inlet of a material sieving machine through a belt conveyor in a low-level stock ground, the belt conveyor comprises a low-position roller and a high-position roller, the low-position roller is arranged in a low-position stock ground, the high-position roller is arranged at a high-position feed port of the screening machine, the low-position roller or the high-position roller is driven by a speed reducer to drive a conveyor belt surrounding the low-position roller and the high-position roller to rotate, a tension adjusting device is arranged between the high-position roller and the low-position roller of the conveyor belt, the tension adjusting device comprises a front guide roller and a rear guide roller, a tension roller is arranged between the front guide roller and the rear guide roller, the conveyor belt passes through the front guide roller, the rear guide roller and the tension roller from the high-position roller to the low-position roller, the two side shaft ends of the tension roller are hung with a tension adjusting gravity box body through slings, and the tension of the tension roller on the conveying belt is adjusted through adding and subtracting gravity objects in the gravity box body.

Description

Conveyer is handled to biological material

Technical Field

The utility model relates to a conveyer is handled to biological material.

Background

Under the vigorous advocation of new energy, the biomass fuel scale is continuously enlarged, and as a high-quality power generation form, the biomass power generation can relieve the situation of tension of traditional energy and reduce the environmental problems caused by waste biomass. The biomass power generation mainly utilizes the forms of biomass such as direct combustion, mixed combustion power generation, biomass gasification power generation, methane power generation and the like.

Biomass raw materials mainly refers to the straw, the straw package, the rice husk, the bark etc, need to carry biomass raw materials broken handle as biomass power generation, send into the boiler burning after the screening, biomass raw materials after the broken handle need be sent to the sieve separator through the conveyer belt, because the sieve separator is in the high position, transfer distance is long, therefore traditional mode is through the conveying of multistage conveyer belt, biomass fuel produces a large amount of bits of powder in crushing process, when the fall appears in the multistage conveyer belt in the transmission process, biomass fuel can produce a large amount of dusts, this dust concentration that will lead to feeding system and boiler feed system is very high, even get into explosion limit range, bring very big potential safety hazard for the power plant operation.

Disclosure of Invention

An object of the utility model is to provide a conveyer is handled to biological material changes traditional multistage conveyer belt conveying into a conveyer belt conveying, for solving the easy ash that rises of slackening of overlength conveyer belt, influence conveying efficiency, has increased overspeed device tensioner on the conveyer belt for the conveyer belt is in the state of tightening all the time, owing to adopt a conveyer belt conveying, conveniently installs the dust cover additional in conveyer belt both sides.

In order to achieve the above purpose, the utility model discloses a scheme is: a biological material processing and conveying device comprises a biological material crushing stock ground and a material sieving machine, wherein biological raw materials are conveyed to a high-level feed inlet of the material sieving machine through a belt conveyor in a low-level stock ground after being crushed, the biological crushed materials conveyed by the material sieving machine fall into a boiler conveyor after passing through a vibration sieve grate and are conveyed into a boiler for combustion, the belt conveyor comprises a low-level roller and a high-level roller, the low-level roller is arranged in the low-level stock ground, the high-level roller is arranged at a high-level feed inlet of the material sieving machine, a conveying belt is wound around the low-level roller and the high-level roller, a speed reducer drives the low-level roller or the high-level roller to drive the conveying belt to rotate, a tension adjusting device is arranged between the conveying belt and the high-level roller, the tension adjusting device comprises a front guide roller and a rear guide roller, a tension roller is arranged between the front guide roller and the rear guide roller, and the conveying belt passes through the front guide roller from the high-level roller, The rear guide roller and the tension roller are arranged at the rear of the lower roller, a tension adjusting gravity box body is hung at the shaft ends of the two sides of the tension roller through slings, and the tension of the tension roller on the conveying belt is adjusted through adding and subtracting gravity objects in the tension box body.

The scheme is further as follows: a dust cover is arranged between the two sides of the conveyor belt from the low-position roller to the high-position roller, a dust suction pipeline is arranged on the dust cover, and the dust suction pipeline is connected to a dust processing device.

The scheme is further as follows: the reciprocating type biological crushing material screening machine is characterized in that a vibrating screen grate of the screening machine is arranged at a feed inlet in the upper end of the screening machine at an inclination angle of 20-30 degrees, a high-position roller is arranged on the upper side of the front end of the vibrating screen grate, a magnetic roller is arranged on the lower side of the upper end of the feed inlet on the upper side of the high-position roller and used for collecting residual metal articles in a passing biological crushing material, the rear end of the vibrating screen grate is connected with a biological crushing material discharging barrel, the outlet of the biological crushing material discharging barrel is connected with a conveyor belt of the boiler, the lower end face of the vibrating screen grate is connected with an undersize material discharging barrel, and the lower end of the undersize material discharging barrel is an undersize material collecting box.

The scheme is further as follows: the side wall of the inlet end of the biological crushing material discharging barrel is provided with a pressure sensor, and when the inlet end of the crushing material discharging barrel is blocked, a pressure signal induced by the pressure sensor is used as a blocking signal to send an alarm through an alarm device.

The utility model has the advantages that: change traditional multistage conveyer belt conveying into a conveyer belt conveying, for solving the easy off tracking of overlength conveyer belt, lax influence conveying efficiency, increased overspeed device tensioner on the conveyer belt for the conveyer belt is in the state of tightening all the time, owing to adopt a conveyer belt conveying, conveniently installs the dust cover additional in conveyer belt both sides, not only saves a large amount of material resources manpower and still avoids the environmental pollution problem, improves through reasonable system moreover, has realized the effectual boiler of carrying of raw materials safety.

The present invention will be described in detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

A biological material processing and conveying device comprises a biological material crushing stock ground and a material sieving machine, wherein biological raw materials are crushed and then conveyed to a high-level feeding hole of the material sieving machine through a belt conveyor in a low-level stock ground, the device is an improved device of the prior equipment, figure 1 shows an improved belt conveyor 1 and a material sieving machine 2, the crushed biological materials conveyed by the material sieving machine drop into a boiler conveyor 3 through a vibration sieve grate and are conveyed into a boiler for combustion, wherein the belt conveyor comprises a low-level roller 101 and a high-level roller 102, the low-level roller 101 is arranged in the low-level stock ground, the high-level roller 102 is arranged at the high-level feeding hole 201 of the material sieving machine, a speed reducer (not shown in the figure) is connected with the low-level roller 101 or the high-level roller 102, a conveying belt 103 surrounds the low-level roller 101 and the high-level roller 102, the low-level roller 101 or the high-level roller 102 is driven by the speed reducer to drive the conveying belt 103 surrounding the low-level roller and the high-level roller, the speed reducer is respectively installed one set at the belt cylinder left and right sides, and one is used one and is equipped with, can in time drop into another when a trouble appears in one, avoids influencing unit safety and stability operation. Because the original three-stage belt transmission is changed into one belt transmission, the transmission distance is more than 20 meters, and the belt is easy to deviate and is difficult to strain due to overlong belt transmission; therefore, a tension adjusting device is arranged between the belt rotating from the high-position roller 102 to the low-position roller 101, the tension adjusting device comprises a front guide roller 104 and a rear guide roller 105, a tension roller 106 is arranged between the front guide roller 104 and the rear guide roller 105, and the belt 103 passes through the front guide roller, the rear guide roller and the tension roller from the high-position roller to the low-position roller 101, namely: the conveyor belt 103 passes through the high-position roller 102, bypasses the front guide roller 104, then passes through the tension roller, passes through the rear guide roller 105, and then passes through the low-position roller 101; a tension adjusting gravity box 107 is hung at the two side shaft ends of the tension roller 106 through slings, and the tension adjusting gravity box 107 prevents heavy objects, such as iron blocks, from adjusting the tension of the tension roller on the conveying belt through adding and subtracting gravity objects in the tension box.

In order to prevent dust from rising during transport, dust covers 108 are provided between the conveyor belt from the low-level roller to the high-level roller on both sides, on which dust ducts 109 are provided, which are connected to a dust handling device 4.

Fig. 1 shows a section of the structure of a sieving machine, wherein a vibrating sieve grate 202 of the sieving machine is arranged in a feeding hole 201 at the upper end of the sieving machine at an inclined angle of 20-30 degrees inclined downwards from the feeding hole end, a high-level roller 102 is arranged at the upper side of the front end of the vibrating sieve grate 202, and in order to remove metal doped in biological crushed material, a magnetic roller 203 is arranged at the lower side of the upper end of the feeding hole at the upper side of the high-level roller 102, and the surface of the magnetic roller is magnetized to have magnetic force. The magnetic drum is driven by the speed reducer to rotate and is used for collecting residual metal articles in the passed biological crushing material, the metal article storage bin hopper 204 is closely followed by the magnetic drum, the front end of the storage bin bottom plate 205 is scraped as the metal on the magnetic drum which rotates by the scraper, the connection of the rear end of the vibrating screen grate is a biological crushing material discharge barrel 206, the biological crushing material discharge barrel outlet is connected with the boiler conveyor belt 301, the undersize material discharge barrel 207 is connected with the lower end surface of the vibrating screen grate, and the lower end of the undersize material discharge barrel is an undersize material collecting box 5.

Wherein: a pressure sensor 6 is arranged on the side wall of the inlet end of the biological crushing material discharging barrel, and when the inlet end of the crushing material discharging barrel is blocked, a pressure signal induced by the pressure sensor is used as a blocking signal to send an alarm through an alarm device.

Claims (4)

1. A biological material processing and conveying device comprises a biological material crushing yard and a material sieving machine, wherein biological raw materials are conveyed to a high-level feed inlet of the material sieving machine through a belt conveyor in a low-level yard after being crushed, the biological crushed materials conveyed by the material sieving machine fall into a boiler conveyor after passing through a vibration sieve grate and are conveyed into a boiler for combustion, the biological material processing and conveying device is characterized in that the belt conveyor comprises a low-level roller and a high-level roller, the low-level roller is arranged in the low-level yard, the high-level roller is arranged at the high-level feed inlet of the material sieving machine, a conveying belt is wound around the low-level roller and the high-level roller, a speed reducer drives the low-level roller or the high-level roller to drive the conveying belt to rotate, a tension adjusting device is arranged between the conveying belt and the high-level roller, the tension adjusting device comprises a front guide roller and a rear guide roller, a tension roller is arranged between the front guide roller and the rear guide roller, and the conveying belt passes through the front guide roller and the high-level roller, The rear guide roller and the tension roller are arranged at the rear of the lower roller, a tension adjusting gravity box body is hung at the shaft ends of the two sides of the tension roller through slings, and the tension of the tension roller on the conveying belt is adjusted through adding and subtracting gravity objects in the tension box body.

2. The biomass processing and conveying apparatus according to claim 1, wherein dust covers are provided between the conveyor belt from the lower roller to both sides of the upper roller, and dust suction ducts are provided in the dust covers, and the dust suction ducts are connected to a dust processing apparatus.

3. The biological material treatment conveying device according to claim 1, wherein the vibrating screen of the material sieving machine is arranged at the feeding port at the upper end of the material sieving machine with an inclination angle of 20 to 30 degrees, the high-level roller is arranged at the upper side of the front end of the vibrating screen, the magnetic roller is arranged at the lower side of the upper end of the feeding port at the upper side of the high-level roller and is used for collecting metal articles remained in the passing biological crushing material, the rear end of the vibrating screen is connected with a biological crushing material discharging barrel, the outlet of the biological crushing material discharging barrel is connected with the conveying belt of the boiler conveyer, the lower end surface of the vibrating screen is connected with an undersize discharging barrel, and the lower end of the undersize discharging barrel is an undersize collecting box.

4. The biological material processing and conveying device as claimed in claim 3, wherein a pressure sensor is provided on the side wall of the inlet end of the biological crushing material discharging barrel, and when a pressure signal sensed by the pressure sensor is blocked at the inlet end of the crushing material discharging barrel, an alarm is given as a blocking signal by an alarm device.

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