CN209758369U - conveying belt pneumatic cleaning device and dust collecting system - Google Patents

Abstract

the utility model belongs to conveyor belt cleaning device field especially relates to a conveyor belt pneumatic cleaning device and dust collecting system, conveyor belt pneumatic cleaning device and dust collecting system include compressed air pump, gas-supply pipe, install flow control valve and jet-propelled pipe on the gas-supply pipe, it has the fumarole to open on the jet-propelled pipe, compressed air pump carries the air supply former, jet-propelled pipe communicates with each other with the gas-supply pipe and locates the gas-supply pipe end, and gas gets into jet-propelled pipe through the gas-supply pipe, jet-propelled pipe is installed in conveyor belt's below to keep the perpendicular distance to be 1 ~ 6mm with the belt. The utility model provides a clean the material that bonds on the belt, reduce the conveying process in the material that leaks, improve the conveyor belt strength cleaning device and the dust collecting system of production environmental protection benefit.

Description

A conveyor belt pneumatic cleaning device and dust collection system

technical field

The utility model belongs to the field of conveyor belt cleaning devices, in particular to a conveyor belt pneumatic cleaning device and a dust collection system.

Background technique

Existing technologies and drawbacks:

A belt conveyor is a friction driven machine that transports material in a continuous manner. It is mainly composed of frame, conveyor belt, idler roller, roller, tensioning device, transmission device and so on. It can form a material conveying process from the initial feeding point to the final unloading point on a certain conveying line, which can not only convey broken materials, but also convey finished items.

In the cement industry, raw materials, coal, clinker, cement and other materials all need belt conveyors, which are widely used. However, because the materials often contain some fine powder, the fine powder particles stick to the belt and scatter during the belt rotation. Down, pollute the site environment, belt cleaning has become a major problem affecting the production of enterprises.

Traditional belt cleaning devices mostly use fixed scrapers, brushes, etc., and the fixed cleaning device is installed under the belt to remove the bonded materials when the belt passes by. However, these methods are difficult to clean the materials, and the fixed scraper Plates or brushes are easy to wear and deform, have a short service life, and it takes time and effort to replace worn parts.

Therefore, under the trend of increasingly stringent environmental protection requirements, how to clean up the bonded materials on the belt conveyor and ensure the clean production of enterprises has become a problem that plagues the industry.

The difficulty and significance of solving the above technical problems:

Therefore, based on these problems, it is of great practical significance to provide a conveyor belt pneumatic cleaning device and a dust collection system for cleaning the bonded materials on the belt, reducing material leakage during the conveying process, and improving production and environmental protection benefits.

Utility model content

The purpose of the utility model is to provide a conveying belt pneumatic cleaning device and a dust collection system for solving the technical problems existing in the known technology to clean the bonded materials on the belt, reduce material leakage during the conveying process, and improve production and environmental protection benefits.

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

A conveyor belt pneumatic cleaning device and a dust collection system, the conveyor belt pneumatic cleaning device and the dust collection system include a compressed air pump, an air pipe, a flow regulating valve installed on the air pipe, and an air injection pipe, the air injection pipe There is an air injection hole on the top, the compressed air pump provides the gas source, the air injection pipe communicates with the air delivery pipe and is located at the end of the air delivery pipe, the gas enters the air injection pipe through the air delivery pipe, and the air injection pipe is installed under the conveyor belt, and Keep a vertical distance of 1-6mm from the belt.

The utility model cleans the bonded materials on the belt, reduces material leakage in the conveying process, and improves production environmental protection benefits.

The utility model can also adopt the following technical solutions:

In the above-mentioned conveyor belt pneumatic cleaning device and dust collection system, further, the gas pressure is controlled at 0.05-0.5 MPa, the speed at which the gas reaches the surface of the belt is ≧10m/s, the gas flow is controlled by a flow regulating valve, and the gas pressure Regulated by compressed air pump.

The material after grinding still contains some moisture, and the fine powder is easy to adhere to the belt. Because the gas has a certain kinetic energy, when it reaches the surface of the belt, the dust particles adhering to the belt are cleaned, and the wind speed The best conditions ensure that the surface of the belt is dry, and the pneumatic cleaning will not scratch the conveyor belt. Compared with problems such as wear and deformation of fixed scrapers and brushes, and incomplete cleaning, pneumatic cleaning has the advantages of long service life and thorough cleaning.

In the above-mentioned conveyor belt pneumatic cleaning device and dust collection system, further, the number of the air injection pipes is multiple, the diameter of the air injection pipes is 5-25 mm, and the air injection holes of the multiple air injection pipes are arranged in a staggered manner, the The jet holes are distributed along the length direction of the jet pipe, and the interval between two adjacent jet holes is 2-8 mm.

During pneumatic cleaning, the gas is evenly distributed to ensure the cleaning effect of the entire belt surface; the multi-layer arrangement ensures the thoroughness of cleaning; the gas speed is fast, the diameter of the jet hole is small, and the gas consumption and energy consumption are low during operation.

In the above-mentioned conveyor belt pneumatic cleaning device and dust collection system, further, the conveyor belt pneumatic cleaning device and dust collection system also include a dust collection pipe, the dust collection pipe is located above the air injection pipe, and the dust collection pipe has a wind speed of 12 ~18m/s, the valve adjustment device is set on the dust collection pipe.

The dust generated during the belt conveying process and the dust generated by pneumatic cleaning all enter the dust collection system through the dust collection pipe, which not only solves the problem of dust raising during the belt conveying process, but also prevents secondary pollution during the pneumatic cleaning process; it is controlled by the valve adjustment device air flow volume.

In the above-mentioned conveyor belt pneumatic cleaning device and dust collection system, further, the number of the dust collection pipes is two, and the two dust collection pipes are located at both ends of the conveyor belt, and the air injection pipe is located at the The discharge end of the belt.

The arrangement of the dust collection pipe at the feed end ensures that the dust and positive pressure generated when the material enters the belt can be eliminated in time, and the dust that cannot be completely eliminated enters the dust collection pipe at the discharge end in the sealing groove along the belt movement direction, ensuring the system Clean manufacturing.

In the above-mentioned conveyor belt pneumatic cleaning device and dust collection system, further, the conveyor belt pneumatic cleaning device and dust collection system also include a sealing groove, the conveyor belt is installed in the sealing groove, and Two layers of rubber belts are arranged on both sides, and the edges on both sides of the conveyor belt are sandwiched between the two layers of rubber belts.

With the design of the sealing groove, the conveying belt is sandwiched between two layers of rubber belts to ensure the sealing, so that the material will not leak during the conveying process, and ensure that the dust on the entire conveying belt surface enters the dust collection system without excessive More cold air enters the dust collection system to avoid lowering the dew point temperature of the dust collection system.

The sealing groove is provided with a feeding groove communicating with upstream equipment at the feeding end, and the feeding groove communicates with the sealing groove.

In the above-mentioned conveyor belt pneumatic cleaning device and dust collection system, further, the air injection hole is circular with a diameter of 0.5-1.5 mm, and the outside of the air injection hole is protected by surfacing.

The nozzle is protected by surfacing welding to prevent the jet hole from being worn out due to air flow.

In the above-mentioned conveyor belt pneumatic cleaning device and dust collection system, further, the air injection hole is rectangular, with a length of 100-200mm and a width of 0.5-1.0mm in diameter, and the axis of the air injection hole is parallel to the axis of the air injection pipe. The distance between two adjacent air injection holes is 1-3 mm, and the outside of the air injection holes is protected by surfacing welding.

In summary, the utility model has the following advantages and positive effects:

1. The utility model has a reasonable design, is simple and feasible, and can completely clean up the dust adhering to the belt without causing secondary operations or secondary pollution, and is convenient to control and adjust.

2. The utility model overcomes the wear and deformation problems of fixed scrapers and brushes, has a simple structure, low investment costs, and low production, operation and maintenance costs. It is beneficial to realize clean production of industrial enterprises and has huge economic benefits.

Description of drawings

The technical scheme of the utility model will be further described in detail below in conjunction with the drawings and embodiments, but it should be known that these drawings are only designed for the purpose of explanation, and therefore are not intended to limit the scope of the utility model. Furthermore, unless otherwise indicated, the drawings are only intended to conceptually illustrate the architectural configurations described herein and are not necessarily drawn to scale.

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

Fig. 2 is the structural representation of jet pipe;

Fig. 3 is a schematic diagram of the layout of the jet pipe;

Fig. 4 is a sectional view of a cross section of a seal groove.

In the figure: 1. Compressed air pump; 2. Air delivery pipe; 3. Flow regulating valve; 4. Jet pipe; 5. Dust collection pipe; Fuel hole, 10, conveyor belt, 11, rubber belt, 12, feeding trough, 13, belt adjusting device.

Detailed ways

First of all, it should be noted that the specific structure, characteristics and advantages of the conveyor belt pneumatic cleaning device and dust collection system of the present invention will be described in detail below by way of example, but all descriptions are for illustration only, and It should not be construed as forming any limitation on the present utility model. In addition, any single technical feature described or implied in each embodiment mentioned herein, or any single technical feature shown or implied in each drawing, can still be described in these technical features (or their equivalents) ) to continue any combination or deletion, so as to obtain more other embodiments of the utility model that may not be directly mentioned herein. In addition, for the sake of simplifying the drawings, the same or similar technical features may only be marked in one place in the same drawing.

It will be understood that when a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may be present. Conversely, when a part is said to be "directly connected" to another part, it means that there are no intermediate parts present.

Fig. 1 has provided the structure schematic diagram of the present utility model, and has shown the structure schematic diagram of jet pipe by Fig. 2, and has shown the layout diagram of jet pipe by Fig. 3, and has shown the cross-section of sealing groove by Fig. 4 The cross-sectional view of the utility model is described in detail below in conjunction with Fig. 1 to Fig. 4 .

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

A conveyor belt pneumatic cleaning device and dust collection system, the conveyor belt pneumatic cleaning device and dust collection system includes a compressed air pump 1, an air delivery pipe 2, a flow regulating valve 3 installed on the air delivery pipe 2 and an air injection pipe 4 , the air injection pipe 4 has an air injection hole 9, the compressed air pump 1 provides the gas source, the air injection pipe 4 communicates with the air delivery pipe 2 and is located at the end of the air delivery pipe 2, and the gas enters the air injection pipe 4 through the air delivery pipe 2 , the air jet pipe 4 is installed below the conveyor belt 10, and maintains a vertical distance of 1-6 mm from the belt.

The utility model cleans the bonded materials on the belt, reduces material leakage in the conveying process, and improves production environmental protection benefits.

Furthermore, it can also be considered in the utility model that the gas pressure is controlled at 0.05-0.5 MPa, the speed at which the gas reaches the surface of the belt is ≧10m/s, the gas flow is controlled by the flow regulating valve 3, and the gas pressure is controlled by compression Air pump 1 regulation.

The material after grinding still contains some moisture, and the fine powder is easy to adhere to the belt. Because the gas has a certain kinetic energy, when it reaches the surface of the belt, the dust particles adhering to the belt are cleaned, and the wind speed Conditions guarantee that the belt surface is dry, and air cleaning will not scratch the conveyor belt 10. Compared with problems such as wear and deformation of fixed scrapers and brushes, and incomplete cleaning, pneumatic cleaning has the advantages of long service life and thorough cleaning.

Furthermore, it can also be considered in the utility model that the number of the air injection pipes 4 is multiple, the diameter of the air injection pipes 4 is 5-25 mm, and the air injection holes 9 of the multiple air injection pipes 4 are arranged in a staggered manner, so The air injection holes 9 are distributed along the length direction of the air injection pipe 4, and the distance between two adjacent air injection holes 9 is 2-8 mm.

During pneumatic cleaning, the gas is evenly distributed to ensure the cleaning effect of the entire belt surface; the multi-layer arrangement ensures the thoroughness of cleaning; the gas speed is fast, the diameter of the jet hole 9 is small, and the gas consumption and energy consumption are low during operation.

It should be pointed out that the conveyor belt 10 pneumatic cleaning device and the dust collection system also include a dust collection pipe 5, the dust collection pipe 5 is located above the air injection pipe 4, and the dust collection pipe 5 has a wind speed of 12-18m/s, and the dust collection pipe 5 A valve adjustment device 7 is provided on the pipe 5 .

The dust generated during the belt conveying process and the dust generated by pneumatic cleaning all enter the dust collecting system through the dust collecting pipe 5, which not only solves the problem of dust raising during the belt conveying process, but also prevents secondary pollution during the pneumatic cleaning process; through the valve adjustment device 7 Control the air flow.

Further speaking, it can also be considered in the utility model that the number of the dust collection pipes 5 is two, and the two dust collection pipes 5 are located at both ends of the conveying belt 10, and the air injection pipe 4 is located at The discharge end of the conveyor belt 10.

The arrangement of the dust collection pipe 5 at the feed end ensures that the dust and positive pressure generated when the material enters the belt can be eliminated in time, and the dust that cannot be completely eliminated enters the dust collection pipe 5 at the discharge end in the sealing groove 6 along the moving direction of the belt. Guarantee the clean production of the system.

Further speaking, it can also be considered in the utility model that the pneumatic cleaning device and the dust collection system of the conveying belt 10 also include a sealing groove 6, and the conveying belt 10 is installed in the sealing groove 6, and the sealing groove 6 covers Two layers of rubber belts 11 are arranged on both sides of the body, and the edges on both sides of the conveyor belt 10 are sandwiched between the two layers of rubber belts 11 .

With the design of the sealing groove 6, the conveying belt 10 is sandwiched between two layers of rubber belts 11 to ensure the sealing, so that the material will not leak during the conveying process, and ensure that the dust on the entire conveying belt 10 enters the dust collection system, and There will not be too much cold air entering the dust collection system to avoid lowering the dew point temperature of the dust collection system.

The sealing groove 6 is provided with a feeding groove 12 communicating with upstream equipment at the feeding end, and the feeding groove 12 communicates with the sealing groove 6 .

Furthermore, it can also be considered in the present utility model that the air injection hole 9 is circular with a diameter of 0.5-1.5 mm, and the outside of the air injection hole 9 is protected by surfacing.

The nozzle is externally protected by surfacing welding to prevent the jet holes 9 from being scoured and worn by the air flow.

Furthermore, it can also be considered in the present utility model that the air injection hole 9 is rectangular, with a length of 100-200mm and a width of 0.5-1.0mm in diameter, and the axis of the air injection hole 9 is parallel to the axis of the air injection pipe 4, correspondingly The distance between two adjacent air injection holes 9 is 1-3 mm, and the outside of the air injection holes 9 is protected by surfacing.

As an example, in this embodiment, please refer to the accompanying drawing 1 of the specification, a compressed air pump 1 for supplying gas source, an air pipeline 2 for gas delivery, a flow regulating valve 3 for controlling the throughput of gas, and a spray nozzle for gas cleaning. Air pipe 4, dust collecting pipe 5 for dust collection, conveying sealing groove 6.

As an example, in this embodiment, as shown in Figure 1 of the specification, the material enters the sealing groove 6 from the right side, and the dust collection pipe 5 on the right side ensures that the dust and positive pressure generated when the material enters the belt can be eliminated in time. The dust that cannot be completely eliminated enters the dust collection pipe 5 at the left discharge end in the sealing groove 6 along the belt movement direction to ensure the clean production of the system. A discharge chute 8 is provided at the discharge end of the conveyor belt 10. The material is transported to the top of the discharge chute 8 through the conveyor belt 10 and then falls into the discharge chute 8. The discharge chute 8 is set in the sealing groove 6 to ensure the dust emission. It is eliminated by the dust collection pipe 5 at the discharge end.

As an example, in this embodiment, the degree of tightness of the conveying belt 10 is adjusted by the belt adjusting device 13 , which is a prior art, and the belt adjusting device 13 will not be described in detail.

Compared with the previous conveyor belt 10 fixed scrapers, brushes, etc., it adopts the principle of pneumatic separation to thoroughly clean up the dust adhering to the belt, which will not cause secondary operations or secondary pollution. It is easy to control and adjust, and overcomes the need for fixed Scraper, brush and other wear and deformation problems, simple structure, long service life. This new structure has simple installation and low production cost, and the designed sealing groove 6 solves the problem of dust raising of materials conveyed by the belt, thus ensuring the clean production of industrial enterprises. In addition, the utility model has the advantages of reasonable structural design, simplicity and feasibility, low manufacturing and maintenance costs, and huge environmental benefits.

To sum up, the utility model can provide a conveyor belt pneumatic cleaning device and a dust collection system for cleaning the bonded materials on the belt, reducing material leakage during the conveying process, and improving production and environmental protection benefits.

The above embodiments have described the utility model in detail, but the content described is only a preferred embodiment of the utility model, and cannot be considered as limiting the implementation scope of the utility model. All equal changes and improvements made according to the application scope of the utility model should still belong to the scope covered by the patent of the utility model.

Claims (8)

1. A conveyor belt pneumatic cleaning device and a dust collection system, characterized in that: the conveyor belt pneumatic cleaning device and the dust collection system include a compressed air pump, an air pipe, a flow regulating valve installed on the air pipe, and a spray nozzle. Air pipe, the air injection pipe has an air injection hole, the compressed air pump provides gas source, the air injection pipe communicates with the air delivery pipe and is located at the end of the air delivery pipe, the gas enters the air injection pipe through the air delivery pipe, and the air injection pipe is installed on Below the conveyor belt, and keep a vertical distance of 1-6mm from the belt. 2. The conveyor belt pneumatic cleaning device and dust collection system according to claim 1, characterized in that: the gas pressure is controlled at 0.05-0.5 MPa, the speed of the gas reaching the surface of the belt is ≧10m/s, and the gas flow rate passes through the flow rate Controlled by a regulating valve, the gas pressure is regulated by a compressed air pump. 3. The conveyor belt pneumatic cleaning device and dust collection system according to claim 1, characterized in that: the number of the air injection pipes is multiple, the diameter of the air injection pipes is 5-25mm, and the air injection of the multiple air injection pipes The holes are arranged in a staggered manner, the air injection holes are distributed along the length direction of the air injection pipe, and the interval between two adjacent air injection holes is 2-8mm. 4. The conveyor belt pneumatic cleaning device and dust collection system according to claim 1, characterized in that: the conveyor belt pneumatic cleaning device and dust collection system also includes a dust collection pipe, and the dust collection pipe is located above the air injection pipe , The wind speed of the dust collection pipe is 12 ~ 18m/s, and the valve adjustment device is set on the dust collection pipe. 5. The conveyor belt pneumatic cleaning device and dust collection system according to claim 4, characterized in that: the number of the dust collection pipes is two, and the two dust collection pipes are located at both ends of the conveyor belt, The air jet pipe is located at the discharge end of the conveyor belt. 6. The conveyor belt pneumatic cleaning device and dust collection system according to claim 4, characterized in that: the conveyor belt pneumatic cleaning device and dust collection system also include a sealing groove, and the conveyor belt is installed in the sealing groove, Two layers of rubber belts are arranged on both sides of the sealing groove housing, and the edges on both sides of the conveying belt are sandwiched between the two layers of rubber belts, and the sealing groove is fixed on the conveying belt bracket by bolts. 7. The conveyor belt pneumatic cleaning device and dust collection system according to claim 1, characterized in that: the air jet hole is circular with a diameter of 0.5-1.5 mm, and the outer side of the air jet hole is protected by surfacing. 8. The conveyor belt pneumatic cleaning device and dust collection system according to claim 1, characterized in that: the air jet hole is rectangular, with a length of 100-200 mm, a width of 0.5-1.0 mm in diameter, and the axis of the air jet hole is in line with the The axes of the jet pipes are parallel, the distance between two adjacent jet holes is 1-3mm, and the outer sides of the jet holes are protected by surfacing welding.