CN201132156Y - Light and heavy material sorting system - Google Patents

Abstract

The utility model relates to a sorting system for light and heavy materials, which includes a blower, a feeding conveyor, a material separator, and a material receiving conveyor. There is a branch pipe on the pipe, which is connected to the air dust collector; the feeding conveyor is arranged on the side close to the air outlet of the blower, the air outlet of the air supply pipe is arranged at the lower end of the roller of the feeding conveyor, and the lower end of the air supply pipe is equipped with a heavy material receiving conveyor There is a feeding pipe corresponding to the air supply pipe, the collecting port of the feeding pipe is facing the blowing port of the air supply pipe, the feeding pipe is connected to the material separator, the lower end of the material separator is provided with a light material receiving conveyor, and the material separator is connected Blower return air outlet; adopting the above structure not only improves the working environment, but also adjusts the wind speed according to the needs, reduces the power consumption and saves the cost; in addition, the utility model also has the advantages of good sorting effect, easy installation and disassembly, and high working efficiency. .

Description

Light and heavy material sorting system

technical field

The utility model belongs to the field of environmental protection machinery and equipment, in particular to a sorting system for light and heavy materials with improved working environment, high working efficiency and good sorting effect.

Background technique

Municipal solid waste seriously pollutes the urban environment, air and water sources. How to turn these wastes that are polluting our earth's ecological environment into "treasures" has become an important issue in the classification of urban domestic waste. At present, in the garbage treatment process, there are many kinds of sorting for light and heavy materials. The existing method generally adopts a fan installed at the end of the conveyor, and a collection tube is installed at the blower port of the fan. The material will be collected into the collection barrel, and then manually sorted to sort out the mixed cotton products, cardboard and foam in the garbage. The wind speed of this kind of sorting method cannot be adjusted, the power consumption is large, and it causes secondary pollution; the working environment of the staff is harsh, and the dust and garbage odor will directly cause great harm to the physical and mental health of the operators.

Contents of the invention

The utility model provides a sorting system for light and heavy materials with improved working environment, high working efficiency and good sorting effect in order to solve the technical problems existing in the known technology.

The technical scheme that the utility model takes for solving the technical problem existing in the known technology is:

A sorting system for light and heavy materials, including a blower, a feeding conveyor, a material separator, and a receiving conveyor, characterized in that: the blower is a centrifugal blower, the air outlet of the blower is connected to an air supply pipe, and the air supply pipe is A pipe is provided, and the other end of the branch pipe is connected to the air dust collector; the feeding conveyor is arranged on the side close to the air outlet of the blower, and the blowing outlet of the air supply pipe is arranged at the lower end of the drum of the feeding conveyor, and the blower of the air supply pipe The lower end of the mouth is equipped with a heavy material receiving conveyor, and a feeding pipe is arranged corresponding to the air supply pipe. The collecting port of the feeding pipe is facing the blowing port of the air supply pipe. There is a light material receiving conveyor, and the material separator is connected to the return air outlet of the blower through the return air duct.

The utility model can also adopt the following technical measures:

The air outlet of the air supply duct is hinged at the end of the air supply duct.

A butterfly valve that can adjust the wind speed is arranged on the air supply duct close to the air outlet.

A butterfly valve that can adjust the wind speed is arranged on the branch pipe connected with the air supply pipe near the air dust collector.

A butterfly valve that can adjust the wind speed is arranged on the feeding pipeline close to the material collecting port.

The material collecting mouth of described feeding pipeline is made into the shape of round sky and square.

The air return duct is also provided with a wind pressure detection gauge.

The advantages and positive effects of the utility model are: since the air outlet of the blower is connected to the air supply pipe, a pipe is arranged on the air supply pipe, and the other end of the branch pipe is connected to the air dust collector; the feeding conveyor is arranged on the side close to the air outlet of the blower, The blowing port of the air supply duct is arranged at the lower end of the drum of the feeding conveyor, the lower end of the blowing port of the air supply duct is provided with a heavy material receiving conveyor, and the corresponding place of the air supply duct is provided with a feeding duct, and the part of the feeding duct is The collecting port is facing the blowing port of the air supply pipe, and the feeding pipe is connected to the material separator. The lower end of the material separator is equipped with a light material receiving conveyor, and the material separator is connected to the return air outlet of the blower through the return air pipe; in order to adapt to different In order to meet the processing conditions, a butterfly valve with adjustable wind speed is also installed on the air supply pipe, the branch pipe connected to the air supply pipe, and the feed pipe; therefore, the above structure not only improves the working environment, but also adjusts the wind speed according to the needs, reducing the power consumption. Consumption saves cost; in addition, the utility model also has the advantages of good sorting effect, easy installation and disassembly, and high work efficiency.

Description of drawings

Fig. 1 is a structural representation of the utility model.

In the figure: 1. Centrifugal blower; 1-1, air outlet; 1-2, return air outlet; 2, air supply duct; 2-1, blowing outlet; 2-2 branch pipe; 3, air dust collector; 4, upper Material conveyor; 5. Feeding pipeline; 5-1. Collecting port; 6: Heavy material receiving conveyor; 7. Material separator; 8. Light material receiving conveyor 9. Return air pipe; 10. Butterfly valve; 11. Wind pressure detection table.

Detailed ways

In order to further understand the invention content, characteristics and effects of the present utility model, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

Please refer to Fig. 1, the air outlet 1-1 of the centrifugal blower 1 is connected with the air supply duct 2, the air supply duct 2 is provided with a pipe 2-2, and the other end of the branch pipe 2-2 is connected with the air dust collector 3; Blower 1 air outlet side is provided with feeding conveyor 4, and the blowing port 2-1 of air supply duct 2 is arranged on the lower end of the cylinder of described loading conveyor 4, and the lower end of the blowing port 2-1 of air supply duct 2 is arranged There is a heavy material receiving conveyor 6, and a feeding pipe 5 is arranged corresponding to the air supply pipe 2. The collecting port 5-1 of the feeding pipe 5 is facing the blowing port 2-1 of the air supply pipe 2, and the feeding pipe 5 is connected to the material The separator 7, the lower end of the material separator 7 is provided with a light material receiving conveyor 8, and the material separator 8 is connected to the return air outlet 1-2 of the centrifugal blower through the return air duct 9. In order to adapt to different processing conditions, there is also a butterfly valve with adjustable wind speed on the air supply pipe 2, the branch pipe 2-2 connected to the air supply pipe, and the feeding pipe 5; Type air blower return air outlet 1-2 place is also equipped with wind pressure detection table 11.

The working principle of the utility model is as follows: the air outlet of the centrifugal blower 1 is connected to the air supply pipe 2 to provide positive pressure airflow, and the positive pressure airflow is transported to the blowing outlet 2-1 at the top through the air supply pipe 2, and the air blowing is adjusted according to the needs The position of the mouth 2-1 is such that the blowing mouth 2-1 faces the collecting mouth 5-1 of the feeding pipe 5, and the positive pressure airflow from the blowing mouth 2-1 will drop the light materials such as plastics from the 4 ends of the feeding conveyor. , paper, etc. are blown up and delivered to the collection port 5-1 of the feeding pipeline 5. The heavy material then falls to the heavy material receiving conveyor 6 by gravity and carries out the next step of processing. At this time, the feed pipe 5 is connected with the feed pipe 5 to form a negative pressure in the material separator 7, and is connected to the air return port 1-2 of the centrifugal blower through the return air pipe 9; The pressurized air flow is sent to the material separator 7 along the feeding pipeline 5, and the light material is sent to the light material receiving conveyor 8 at the bottom of the material separator 7 through the rotating scraper provided inside the material separator 7, and the process is completed. Sorting process for light materials. Since the whole system is an almost closed air cycle, there will be a lot of dust in the air, therefore, a pipe 2-2 is arranged on the air supply pipe 2, and the other end of the branch pipe 2-2 is connected to the air dust collector 3; Dust removal treatment is carried out to greatly reduce dust pollution. The wind pressure of the system can be observed at any time by the wind pressure detection gauge 11 installed at the air return port 1-2 of the centrifugal blower. The wind speed can be controlled by adjusting the air supply pipe 2, a pipe 2-2 connected to the air supply pipe 2-2, and the butterfly valve provided on the feed pipe 5, so that remote control can be achieved to achieve better sorting and processing effects. The sorting system is safe and reliable, the overall appearance is elegant, the sorting effect is good, and the sorting rate can reach more than 95%, which is an indispensable and important link in the municipal solid waste treatment system.

Claims (7)

1. A sorting system for light and heavy materials, comprising a blower, a feeding conveyor, a material separator, and a receiving conveyor, characterized in that: the blower adopts a centrifugal blower, and the air outlet of the blower is connected to the air supply duct, and the air supply A pipe is arranged on the pipeline, and the other end of the branch pipe is connected to the air dust collector; the feeding conveyor is arranged on the side close to the air outlet of the blower, and the blowing outlet of the air supply pipe is arranged at the lower end of the drum of the feeding conveyor, and the air supply pipe The lower end of the blowing port is provided with a heavy material receiving conveyor, and a feeding pipe is provided at the corresponding place of the air supply pipe. The collecting port of the feeding pipe is facing the blowing port of the air supply pipe. The lower end is equipped with a light material receiving conveyor, and the material separator is connected to the return air outlet of the blower through the return air duct. 2. The light-heavy material separation system according to claim 1, characterized in that: the air outlet of the air supply duct is hinged at the end of the air supply duct. 3. The light-heavy material separation system according to claim 1, characterized in that: a butterfly valve that can adjust the wind speed is arranged on the air supply pipe near the blowing port. 4. The light-heavy material separation system according to claim 1, characterized in that: a butterfly valve that can adjust the wind speed is installed on the branch pipe connected to the air supply pipe near the air dust collector. 5. The light-heavy material separation system according to claim 1, characterized in that: a butterfly valve that can adjust the wind speed is arranged on the feeding pipeline near the material collecting port. 6. The light-heavy material sorting system according to claim 1, characterized in that: the collecting port of the feeding pipeline is made in the shape of a round sky and a square. 7. The light and heavy material sorting system according to claim 1 or 5, characterized in that: the return air duct is also provided with a wind pressure detection gauge.

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