Material raised dust recycling device

Abstract

The utility model relates to the technical field of material recycling, and discloses a material raised dust recycling device which comprises a raw material bin, a feeding port is fixedly connected to the raw material bin, a gate valve is fixedly installed on the feeding port, a dust collecting port is fixedly connected to the raw material bin, a connecting pipeline is fixedly connected to the dust collecting port, and a dust collecting port is fixedly connected to the connecting pipeline. A switch butterfly valve is fixedly mounted on the connecting pipeline, and one end of the connecting pipeline is fixedly connected with a flue gas pipeline. When the feeding device is used, the connecting pipeline connected with the flue gas pipeline is additionally arranged at the feeding port of the raw material bin, meanwhile, the switch butterfly valve is arranged to control a switch, and sodium bicarbonate flying dust generated in the dumping process can be sucked into the flue gas pipeline through negative pressure in the flue gas pipeline, so that the material loss caused by the flying dust is remarkably reduced; the problem of material waste is solved, the use cost is saved, meanwhile, dust is prevented from entering the environment to cause secondary pollution, and the environmental protection property of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of material recycling, in particular to a material dust recycling device. Background Art

[0002] The steel environmental protection desulfurization project is an important environmental protection measure implemented by steel enterprises to reduce the emission of sulfur oxides (mainly sulfur dioxide) in exhaust gas. Its main goal is to remove sulfur oxides in exhaust gas through chemical reactions or physical processes and reduce its emission concentration to below the national environmental protection standard. The SDS desulfurization system is widely used due to its high efficiency. The system achieves the purpose of desulfurization and deacidification through the reaction of sodium bicarbonate with the acidic components in the flue gas. In actual work, the loading port of the raw material bin needs to be opened during the loading process, and then the loading can be carried out.

[0003] However, during the loading process of the raw material warehouse, the existing devices are usually not equipped with dust removal equipment. A large amount of dust will be generated when the sodium bicarbonate is directly dumped, which not only causes a large amount of material waste, but also increases the load of the dust removal system, affecting the overall desulfurization efficiency and flue gas purification effect. The recovered sodium bicarbonate cannot be recycled again, resulting in serious material loss and increased operating costs of the enterprise. After the dust enters the environment, it may also cause secondary pollution, which is not conducive to the realization of environmental protection goals. Therefore, a material dust recycling device is proposed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a material dust recovery and utilization device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a material dust recycling device, comprising a raw material bin, a feeding port is fixedly connected to the raw material bin, a gate valve is fixedly installed on the feeding port, a dust collecting port is fixedly connected to the raw material bin, a connecting pipe is fixedly connected to the dust collecting port, a switch butterfly valve is fixedly installed on the connecting pipe, and one end of the connecting pipe is fixedly connected to a flue gas pipe.

[0006] As a further description of the above technical solution:

[0007] A discharge valve is fixedly installed at the bottom of the raw material bin, and a feeding hopper is fixedly connected to one end of the discharge valve away from the raw material bin, a spiral feeder is fixedly connected to the feeding hopper, a delivery pipe is fixedly connected to the output end of the spiral feeder, and a grinder is fixedly connected to the delivery pipe.

[0008] As a further description of the above technical solution:

[0009] A conveying fan is fixedly installed on one side of the grinder, and an output end of the conveying fan is fixedly connected to a conveying pipeline, and the conveying pipeline is fixedly connected to the flue gas pipeline.

[0010] As a further description of the above technical solution:

[0011] The feeding port, the gate valve and the dust collecting port are all located at the top of the raw material bin. The dust collecting port is conical in shape, the connecting pipe is Z-shaped, and the fume duct is located above the raw material bin.

[0012] As a further description of the above technical solution:

[0013] The discharge valve is arranged between the raw material bin and the feeding hopper, and the spiral feeder is arranged below the feeding hopper.

[0014] As a further description of the above technical solution:

[0015] The material delivery pipe runs through the top of the grinder, and a screening component is arranged in the grinder.

[0016] As a further description of the above technical solution:

[0017] The shape of the conveying pipeline is "L" shape.

[0018] The utility model has the following beneficial effects:

[0019] 1. In the utility model, when the material dust recovery and utilization device is used, a connecting pipe connected to the flue gas pipe is added to the feeding port of the raw material bin, and a switch butterfly valve is set to control the switch. In the process of feeding and adding sodium bicarbonate raw materials, the sodium bicarbonate dust generated during the dumping process can be sucked into the flue gas pipe by utilizing the negative pressure in the flue gas pipe, which significantly reduces the material loss caused by dust, solves the problem of material waste in the traditional feeding method, saves the use cost, and avoids the dust from entering the environment to cause secondary pollution, thereby improving the environmental protection of the device.

[0020] 2. In the utility model, when the dust recovery and utilization device of the material is used, the sodium bicarbonate dust sucked into the flue gas duct by negative pressure can also react chemically with the acidic components in the flue gas, thereby achieving the desulfurization effect. This process does not require additional energy consumption or equipment investment, enhances the desulfurization effect, and promotes the improvement of flue gas purification efficiency. It also realizes the secondary utilization of sodium bicarbonate by directly recovering the dust to the flue gas duct, improves the resource utilization efficiency, significantly reduces the operating cost of the enterprise, and enhances the economic efficiency of production. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a three-dimensional structural schematic diagram of a material dust recovery and utilization device proposed by the utility model;

[0022] Figure 2 This is a side perspective view of a material dust recycling device proposed by the utility model;

[0023] Figure 3 This is a top perspective view of a material dust recycling device proposed by the utility model.

[0024] Legend:

[0025] 1. Raw material warehouse; 2. Loading port; 3. Gate valve; 4. Dust collection port; 5. Connecting pipe; 6. On / off butterfly valve; 7. Flue gas duct; 8. Discharge valve; 9. Feed hopper; 10. Screw feeder; 11. Feed pipe; 12. Grinding machine; 13. Conveying fan; 14. Conveying pipeline. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Reference Figure 1-Figure 3 , the utility model provides an embodiment: a material dust recycling device, comprising a raw material bin 1, a feed port 2 is fixedly connected to the raw material bin 1, a plug valve 3 is fixedly installed on the feed port 2, a dust collecting port 4 is fixedly connected to the raw material bin 1, a connecting pipe 5 is fixedly connected to the dust collecting port 4, a switch butterfly valve 6 is fixedly installed on the connecting pipe 5, and one end of the connecting pipe 5 is fixedly connected to a flue gas pipe 7. The dust collecting port 4, the connecting pipe 5, the switch butterfly valve 6 and the accessory accessories are prefabricated in advance. When the SDS system stops running, the prefabricated dust collecting port 4, the connecting pipe 5, the switch butterfly valve 6 and the accessory accessories are installed on the raw material bin 1 and the flue gas pipe 7, and then the SDS system is started for adjustment, and the plug valve 3 is opened. The plate valve 3 is provided, so that the feeding port 2 is no longer blocked, and then the sodium bicarbonate raw material is added into the raw material bin 1 from the feeding port 2. In the process of adding the sodium bicarbonate raw material for feeding, sodium bicarbonate dust is generated. By adding a connecting pipe 5 connected to the flue gas duct 7 at the feeding port 2 of the raw material bin 1, and setting a switch butterfly valve 6 to control the switch, the switch butterfly valve 6 is opened at this time, and the negative pressure in the flue gas duct 7 can be used to suck the sodium bicarbonate dust generated during the pouring process into the flue gas duct 7, which significantly reduces the material loss caused by dust, solves the problem of material waste in the traditional feeding method, saves the use cost, and avoids the dust from entering the environment to cause secondary pollution, thereby improving the environmental protection of the device.

[0028] In addition, a discharge valve 8 is fixedly installed at the bottom of the raw material bin 1, and a feeding hopper 9 is fixedly connected to the end of the discharge valve 8 away from the raw material bin 1, and a spiral feeder 10 is fixedly connected to the feeding hopper 9. The output end of the spiral feeder 10 is fixedly connected to a delivery pipe 11, and a grinder 12 is fixedly connected to the delivery pipe 11. The discharge valve 8 is opened so that the sodium bicarbonate raw material in the raw material bin 1 can enter the feeding hopper 9, and then the spiral feeder 10 connected to the feeding hopper 9 is used to achieve uniform feeding. The feeding amount needs to be adjusted online in real time. The spiral feeder 10 feeds the sodium bicarbonate raw material through The material delivery pipe 11 is transported to the grinder 12, which can be used for grinding, and then the screening component in the grinder 12 is used for graded screening, so as to screen out the material with the fineness. The spiral feeder 10 and the grinder 12 belong to the existing technology for the technicians in this field. The working principle and specific circuit structure are known and open, so they are not explained again. A conveying fan 13 is fixedly installed on one side of the grinder 12, and the output end of the conveying fan 13 is fixedly connected to the conveying pipeline 14, and the conveying pipeline 14 is fixedly connected to the flue gas. On the pipeline 7, the conveying fan 13 is started. Under the action of the conveying fan 13, the material that meets the fineness is conveyed to the flue gas pipeline 7 through the conveying pipeline 14, and then reacts with the acidic components of the flue gas in the flue gas pipeline 7, thereby playing the role of desulfurization and deacidification. The feeding port 2, the gate valve 3, and the dust collecting port 4 are all located at the top of the raw material warehouse 1. The shape of the dust collecting port 4 is conical, and the shape of the connecting pipeline 5 is "Z" shape. The flue gas pipeline 7 is located above the raw material warehouse 1, the discharge valve 8 is arranged between the raw material warehouse 1 and the feeding hopper 9, the spiral feeder 10 is arranged below the feeding hopper 9, and the conveying pipe 11 runs through the top of the grinder 12. A screening assembly is provided in the grinder 12. The conveying pipe 14 is in an "L" shape. The sodium bicarbonate dust sucked into the flue gas pipe 7 by negative pressure can also react chemically with the acidic components in the flue gas, thereby achieving the desulfurization effect. This process does not require additional energy consumption or equipment investment, thereby enhancing the desulfurization effect and promoting the improvement of flue gas purification efficiency. By directly recovering the dust to the flue gas pipe 7, the secondary utilization of sodium bicarbonate is achieved, the resource utilization efficiency is improved, the operating cost of the enterprise is significantly reduced, and the economic efficiency of production is enhanced.

[0029] Working principle: When using the material dust recovery and utilization device, the operator opens the gate valve 3 so that the feed port 2 is no longer blocked, and then adds the sodium bicarbonate raw material into the raw material bin 1 from the feed port 2, and then opens the discharge valve 8 so that the sodium bicarbonate raw material in the raw material bin 1 can enter the feeding hopper 9, and then uses the spiral feeder 10 connected to the feeding hopper 9 to achieve uniform feeding, and the feeding amount needs to be adjusted online in real time. The spiral feeder 10 conveys the sodium bicarbonate raw material to the grinder 12 through the feeding pipe 11, and the grinder 12 can be used for grinding, and then the screening component in the grinder 12 is used for graded screening, so as to screen out the material that meets the fineness, and then the conveying fan 13 is started, and under the action of the conveying fan 13, the material that meets the fineness is conveyed to the flue gas duct 7 through the conveying pipe 14, and then reacts with the acidic components of the flue gas in the flue gas duct 7, thereby playing the role of desulfurization and deacidification. In the process of adding sodium bicarbonate raw materials for loading, sodium bicarbonate dust will be generated. At this time, the switch butterfly valve 6 is manually opened, so as to utilize the negative pressure in the flue gas duct 7 to suck the sodium bicarbonate dust generated in the pouring process into the connecting pipe 5 through the dust collecting port 4, and then suck it into the flue gas duct 7 through the connecting pipe 5. The sodium bicarbonate dust sucked into the flue gas duct 7 can also react with the acidic components in the flue gas, so as to achieve the desulfurization effect. This process does not require additional energy consumption or equipment investment, enhances the desulfurization effect, reduces material waste, and promotes the improvement of flue gas purification efficiency. It also realizes the secondary utilization of sodium bicarbonate by directly recovering the dust to the flue gas duct 7, improves the resource utilization efficiency, significantly reduces the operating cost of the enterprise, enhances the economic efficiency of production and reduces the operating cost, and at the same time avoids the sodium bicarbonate dust from entering the environment to cause secondary pollution, thereby improving the environmental protection of the device.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A material dust recovery and utilization device, comprising a raw material bin (1), characterized in that: The raw material bin (1) is fixedly connected with a feed port (2), a gate valve (3) is fixedly installed on the feed port (2), the raw material bin (1) is fixedly connected with a dust collection port (4), a connecting pipe (5) is fixedly connected to the dust collection port (4), a switch butterfly valve (6) is fixedly installed on the connecting pipe (5), and one end of the connecting pipe (5) is fixedly connected with a flue gas pipe (7).

2. The material dust recycling device according to claim 1 is characterized in that: A discharge valve (8) is fixedly installed at the bottom of the raw material bin (1); a feeding hopper (9) is fixedly connected to the end of the discharge valve (8) away from the raw material bin (1); a screw feeder (10) is fixedly connected to the feeding hopper (9); a delivery pipe (11) is fixedly connected to the output end of the screw feeder (10); and a grinder (12) is fixedly connected to the delivery pipe (11).

3. The material dust recycling device according to claim 2 is characterized in that: A conveying fan (13) is fixedly installed on one side of the grinding machine (12), and the output end of the conveying fan (13) is fixedly connected to a conveying pipeline (14), and the conveying pipeline (14) is fixedly connected to the flue gas pipeline (7).

4. The material dust recycling device according to claim 3 is characterized in that: The feed port (2), the gate valve (3) and the dust collecting port (4) are all located at the top of the raw material bin (1); the dust collecting port (4) is conical in shape; the connecting pipe (5) is Z-shaped; and the fume pipe (7) is located above the raw material bin (1).

5. The material dust recycling device according to claim 4 is characterized in that: The discharge valve (8) is arranged between the raw material bin (1) and the feeding hopper (9), and the screw feeder (10) is arranged below the feeding hopper (9).

6. The material dust recycling device according to claim 5, characterized in that: The feed pipe (11) passes through the top of the grinder (12), and a screening component is provided inside the grinder (12).

7. The material dust recycling device according to claim 6 is characterized in that: The conveying pipe (14) is in an "L" shape.

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