CN107416529A - A kind of Contiuum type air conveyor - Google Patents

Abstract

A conjoined pneumatic conveyor, including a feed port, a buffer bin is arranged below the feed port, a conjoined conveying bin is arranged at the bottom of the buffer bin, and the buffer bin and the conjoined conveying bin are vertically arranged and communicated , an acceleration jet device is installed at the inlet of the channel of the conjoined conveying chamber, an expansion and boosting section is arranged at the outlet of the conjoined conveying chamber, and a loosening device is installed inside the connection between the buffer chamber and the conjoined conveying chamber. The crushed biomass and solid waste enter the buffer bin through the feed port, and then enter the buffer bin under the action of the lever at the lower part of the buffer bin, and then disperse into the one-piece delivery bin; under the action of the high-speed airflow at the outlet of the accelerated nozzle, the material It is carried into the expansion and boosting section, and then sent to the existing large-scale boiler for mixed combustion through the conveying pipeline. It has the advantages of convenient inspection and maintenance, and excellent operating environment.

Description

One-piece pneumatic conveyor

technical field

The invention relates to the technical field of pneumatic conveying, in particular to a one-piece pneumatic conveying device.

Background technique

Biomass mainly refers to lignocellulose (lignin for short) such as straw and trees other than grain and fruit in the process of agricultural and forestry production, leftovers of agricultural product processing, agricultural and forestry waste, and poultry manure and waste in the process of animal husbandry. matter etc. Biomass energy is an important part of renewable energy. The efficient development and utilization of biomass energy will play a very positive role in solving energy and ecological environment problems.

Solid waste refers to the solid and semi-solid waste materials that pollute the environment and are discarded because of human production, construction, daily life and other activities, which cannot be used at a certain time and place. Municipal solid waste is generally divided into the following categories: 1. Municipal solid waste 2. General industrial solid waste 3. Domestic sludge. Solid waste will undergo chemical, physical or biological transformation under certain conditions, which will have a certain impact on the surrounding environment. If improper treatment methods are adopted, harmful substances will pollute the environment and harm the environment through water, air, soil, food chains, etc. human health.

Incineration technology refers to the process of burning combustibles in waste with oxygen in an incinerator. Its technical characteristics are large processing capacity, good capacity reduction, high degree of harmlessness, and heat recovery, so this is a promising processing technology. The advantage of the incineration method is that it can handle various wastes of different natures. After incineration, the waste volume can be reduced by 90% (depending on the difference of its ash content), which is convenient for landfill treatment.

At present, belt conveyors or screw conveyors are generally used as biomass and solid waste incineration feeding devices. However, belt conveyors have many moving parts and vulnerable parts, and the usual maintenance workload is relatively large; screw conveyors have few moving parts. However, there are disadvantages of inconvenient maintenance, and both belt conveyors and rotary conveyors have disadvantages such as large layout space requirements and poor on-site sanitation.

Contents of the invention

In order to overcome the above problems, the object of the present invention is to provide a one-piece pneumatic conveyor, which has the advantages of simple structure, wide adaptability of conveying materials, not easy to bridge, large conveying capacity, convenient arrangement, continuous operation, disassembly, convenient maintenance and maintenance. , Excellent operating environment and other advantages.

In order to achieve the above object, the technical scheme adopted in the present invention is:

A conjoined pneumatic conveyor, comprising a feed port 5, a buffer bin 4 is arranged below the feed port 5, and a conjoined conveying bin body 2 is arranged at the bottom of the buffer bin 4, and the buffer bin 4 and the conjoined body Type delivery bin 2 is vertically arranged and communicated with each other, an acceleration jet device is arranged at the inlet of the passage of the one-piece delivery bin 2, and an expansion and boosting section 1 is arranged at the air outlet of the one-piece delivery bin 2, and the buffer A loosening device is arranged inside the connection between the bin 4 and the conjoined delivery bin body 2 .

The loosening device includes a shifting rod 6 arranged obliquely at a certain angle, and the shifting rod 6 rotates along a rotating shaft 8 installed on the buffer bin 4 through a loosening drive 7 .

The acceleration jet device includes an acceleration nozzle 9 , and the acceleration nozzle 9 is connected to the air inlet 11 through a flexible connection 10 .

A sealing cover 12 is provided between the acceleration nozzle 9 and the one-piece delivery bin body 2 .

Inspection holes 3 are arranged on the surface of the buffer bin 4 .

The acceleration nozzle 9 is arranged outside the one-piece delivery bin body 2 .

The expansion and boosting section 1 is a structure with increasing cross-sectional area.

Beneficial effects of the present invention:

The pneumatic conveying device has a simple structure, can transport biomass, solid waste and other materials, and has wide material adaptability; it adopts a conjoined conveying bin 2 structure, and at the same time, the lower part of the buffer bin 4 is equipped with a loosening device, which is not easy to bridge and has a large conveying capacity; it adopts continuous Pneumatic conveying, convenient site layout, continuous operation, less impact on boiler load.

The acceleration nozzle 9 is arranged outside the one-piece delivery bin body 2, which is convenient for disassembly (overhaul and maintenance); the feed inlet of the present invention has a slight negative pressure, and the entire delivery system is a sealed pipeline, so the dust is not easy to spill out, and the operating environment is excellent. The system has the advantages of simple structure, wide adaptability of conveying materials, not easy to bridge, large conveying capacity, convenient layout, continuous operation, convenient disassembly (overhaul and maintenance), and excellent operating environment.

Description of drawings

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

Fig. 2 is a side view of the structure of the present invention.

Fig. 3 is a top view of the present invention.

detailed description

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

Referring to Fig. 1 and Fig. 2, a conjoined pneumatic conveyer provided by the present invention includes: a conjoined conveying chamber 2 and an associated accelerating nozzle 9, an expansion and boosting section 1, a loosening device, and a buffer chamber 4. The outlet of the one-piece delivery bin body 2 is arranged with an expansion booster section 1, the inlet of the one-piece delivery bin body 2 is arranged with an acceleration nozzle 9, and the buffer bin 4 is arranged above the one-piece delivery bin body 2, so The lower part of the buffer bin 4 is provided with a loosening device, and the upper part of the buffer bin is arranged with a feed port 5 .

Further, the expansion and boosting section 1 is a structure with increasing cross-sectional area;

Further, the acceleration nozzle 9 is connected to the air inlet 11 through a flexible connection 10;

Further, a sealing cover 12 is provided between the acceleration nozzle 9 and the one-piece delivery bin body 2;

Further, inspection holes 3 are arranged on the buffer bin 4 .

As shown in Figure 3: further, the loosening device is composed of a loosening drive 7, a rotating shaft 8, and a rod 6;

The working principle of the present invention is:

The crushed biomass and solid waste enter the buffer bin 4 through the feed port 5, and then enter the buffer bin 4 under the action of the lever 6 at the lower part of the buffer bin 4, and disperse into the one-piece delivery bin body 2; Under the action of the high-speed airflow, the material is carried into the expansion and boosting section 1, and then sent to the existing large boiler for mixed combustion through the delivery pipeline.

Claims (7)

1. A conjoined pneumatic conveyor, comprising a feed port (5), a buffer bin (4) is arranged below the feed port (5), and a conjoined conveying bin body ( 2), the buffer bin (4) is vertically arranged and communicated with the one-piece delivery bin (2), and an acceleration jet device is arranged at the inlet of the passage of the one-piece delivery bin (2). The expansion and boosting section (1) is arranged at the air outlet of the type delivery bin (2), and a loosening device is arranged inside the connection between the buffer bin (4) and the one-piece delivery bin (2). 2. A conjoined pneumatic conveyor according to claim 1, characterized in that, the loosening device comprises a pusher rod (6) inclined at a certain angle, and the pusher rod (6) is driven by loosening (7) Rotate along the rotating shaft (8) installed on the buffer bin (4). 3. A kind of one-piece pneumatic conveyer according to claim 1, characterized in that, said acceleration jet device comprises an acceleration spout (9), and the acceleration spout (9) is connected to the air inlet through a flexible connection (10). (11) connected. 4. A one-piece pneumatic conveyor according to claim 1, characterized in that a sealing cover (12) is provided between the acceleration nozzle (9) and the one-piece delivery bin (2). 5. The one-piece pneumatic conveyor according to claim 1, characterized in that, inspection holes (3) are arranged on the surface of the buffer bin (4) on the bin body. 6. The one-piece pneumatic conveyor according to claim 1, characterized in that, the acceleration nozzle (9) is arranged outside the one-piece conveying bin (2). 7. The one-piece pneumatic conveyor according to claim 1, characterized in that, the expansion and boosting section (1) is a structure with increasing cross-sectional area.