Multi-stage purification treatment device for waste gas of mesh belt furnace

Abstract

The utility model relates to a mesh belt furnace waste gas multistage purification treatment device which comprises a mesh belt furnace body, an exhaust port is formed in the top of the mesh belt furnace body, one end of the exhaust port communicates with an exhaust pipe, one end of the exhaust pipe communicates with a dust falling tower, the top of the dust falling tower communicates with a spraying assembly, and one side of the spraying assembly communicates with a filtering assembly. And one side of the dust falling tower communicates with a purification assembly. According to the waste gas purification system, particulate matter in waste gas is subjected to dust fall through the spraying assembly, the temperature of the waste gas can be reduced to a proper range, stable operation of the whole purification system is guaranteed, pollutants in waste water are removed or reduced to a lower level through filtering and circulating treatment of the filtering assembly, and the waste gas purification effect is improved. Pollution of direct discharge of waste water to environmental elements such as water and soil is greatly reduced, waste gas reaches a stricter discharge standard through the purification assembly, and the environmental protection requirement is met.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of mesh belt furnace devices, in particular to a mesh belt furnace waste gas multistage purification treatment device. BACKGROUND

[0002] The mesh belt furnace is a sintering furnace for realizing continuous conveying of parts in the furnace by using a mesh belt, and is mainly divided into a glue discharging area and a high temperature area. The glue discharging area is used for preliminary heating of products, at this time, part of organic matters of the mixed binder in the products will be gasified under high temperature, and therefore, the gasified organic matters need to be discharged.

[0003] However, the gas discharged from the mesh belt furnace is mostly harmful waste gas, and the existing waste gas treatment usually uses a spray tower to reduce dust of the waste gas. If multistage purification is not performed, only simple treatment is relied on, it is difficult to reduce the concentration of the harmful gas to a low level, a large amount of harmful gas is discharged into the atmosphere, which can cause serious air pollution, and the waste water generated after spraying can cause secondary pollution when being discharged. SUMMARY

[0004] In order to perform multistage purification on the waste gas discharged from the mesh belt furnace, improve the purification effect and reduce waste gas pollution, the application provides a mesh belt furnace waste gas multistage purification treatment device.

[0005] The mesh belt furnace waste gas multistage purification treatment device provided by the application adopts the following technical scheme:

[0006] A mesh belt furnace waste gas multistage purification treatment device, comprising a mesh belt furnace body, a gas discharge port is installed at the top of the mesh belt furnace body, one end of the gas discharge port is communicated with an exhaust pipe, one end of the exhaust pipe is communicated with a dust removal tower, four corners of the bottom of the dust removal tower are fixedly provided with supporting legs, the top of the dust removal tower is communicated with a spray assembly for dust removal of waste gas, one side of the spray assembly is communicated with a filter assembly, and one side of the dust removal tower is communicated with a purification assembly for purification of waste gas.

[0007] Preferably, a control panel is fixedly installed on one side of the mesh belt furnace body, a water pumping switch and an exhaust switch are sequentially installed on the surface of the control panel, and all operation functions of the waste gas purification system are integrated on one control panel. The operator does not need to run back and forth between different equipment or positions to perform scattered operation, the operation efficiency is greatly improved, and the operation time and labor cost are saved.

[0008] Preferably, the spraying assembly comprises a spraying pipe, one end of the spraying pipe extends to the inside of the dust falling tower, an atomizing spray head is installed at one end of the spraying pipe, a water pump is communicated at the other end of the spraying pipe, a communication pipe is communicated at the water inlet end of the water pump, a water storage tank is communicated at one end of the communication pipe, and the water pump is electrically connected with the external power supply through a water pumping switch. Through spraying cooling, the temperature of the waste gas can be reduced to a suitable range, creating good conditions for subsequent purification treatment, ensuring stable operation of the entire purification system. During the spraying process, a large number of fine water droplets fully contact the waste gas, which can effectively capture particulate pollutants such as dust and smoke in the waste gas.

[0009] Preferably, the filtering assembly comprises a water inlet pipe, one end of the water inlet pipe extends to the inside of the water storage tank, a filter box is communicated at the other end of the water inlet pipe, a water outlet pipe is communicated at one end of the filter box, the water outlet pipe is fixedly communicated at the outlet end of the dust falling tower, a blowdown port is communicated at one side of the connection between the filter box and the water outlet pipe, a valve is installed on the blowdown port, three sliding grooves are formed on both sides of the inner wall of the filter box, filter element mounting plates are slidingly installed between the corresponding two sliding grooves, connecting plates are fixedly installed between the adjacent two filter element mounting plates, handles are fixedly installed at the top of the two filter element mounting plates. After filtering and circulating treatment, the pollutants in the wastewater are removed or reduced to a low level, greatly reducing the pollution of direct wastewater discharge to water bodies, soil and other environmental elements. The filter element will accumulate impurities during use and needs to be cleaned or replaced regularly. The design for easy disassembly allows the operator to easily remove the filter element for cleaning, backwashing or direct replacement with a new filter element, ensuring that the filtering system always maintains good working condition.

[0010] Preferably, the purification assembly comprises a gas conveying pipe, one end of the gas conveying pipe extends to the inside of the dust falling tower, a purification bin is communicated at the other end of the gas conveying pipe, a fixing frame is fixedly installed at the bottom of the purification bin, and a plurality of activated carbon purification plates are installed in the purification bin. The concentration of pollutants in the waste gas can be reduced to a low level, even low-concentration pollutants can be effectively removed, the waste gas can meet more stringent emission standards, and the requirements of environmental protection can be met, which is helpful to protect the atmospheric environment and human health.

[0011] Preferably, one end of the purification bin is communicated with an air outlet, two mounting frames are fixedly installed in the air outlet, an output motor is fixedly installed between the two mounting frames, an exhaust fan is installed at the output end of the output motor, and the output motor is electrically connected with the external power supply through an exhaust switch. The power provided by the exhaust fan can form a stable airflow to quickly discharge the purified gas, prevent backflow in the purification device or workshop, ensure that the waste gas flows along the predetermined path, avoid mixing of the purified gas and the un-purified waste gas from the source, and ensure the stability and reliability of the purification effect.

[0012] Compared with the prior art, the net belt furnace waste gas multistage purification treatment device has the beneficial effects that:

[0013] Through the spraying assembly, the particulate matters in the waste gas are dusted, and the waste gas temperature can also be reduced to a suitable range, creating good conditions for subsequent purification treatment and ensuring stable operation of the entire purification system.

[0014] Through the filtering assembly, the pollutants in the waste water are removed or reduced to a low level, greatly reducing the pollution of the waste water directly discharged to the water body, soil and other environmental elements. The filter element will accumulate impurities during use and needs to be cleaned or replaced regularly. The design facilitating disassembly enables the operator to easily take out the filter element for cleaning, backwashing or direct replacement of a new filter element, ensuring that the filtering system always maintains a good working state.

[0015] Through the purification assembly, the concentration of pollutants in the waste gas can be reduced to a low level, and even low-concentration pollutants can be effectively removed, so that the waste gas meets more stringent emission standards and meets environmental protection requirements, which is helpful for protecting the atmospheric environment and human health. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the isometric view of the net belt furnace waste gas multistage purification treatment device mainly embodied in the embodiment of the application;

[0017] Figure 2 is the front view of the net belt furnace waste gas multistage purification treatment device mainly embodying part of the structure in the embodiment of the application;

[0018] Figure 3 is the sectional view of the purification assembly mainly embodying the internal structure in the embodiment of the application;

[0019] Figure 4 is the sectional view of the spraying assembly and the filtering assembly mainly embodying the internal structure in the embodiment of the application;

[0020] Figure 5 is the isometric view of the filtering assembly mainly embodying the internal structure in the embodiment of the application.

[0021] The drawings show that: 1, the net belt furnace body; 2, the exhaust port; 3, the exhaust pipe; 4, the dust tower; 5, the spray pipe; 6, the atomizing spray head; 7, the water pump; 8, the communication pipe; 9, the water storage tank; 10, the water inlet pipe; 11, the filter box; 12, the pollution outlet; 13, the water outlet pipe; 14, the gas conveying pipe; 15, the purification bin; 16, the activated carbon purification plate; 17, the air outlet; 18, the mounting bracket; 19, the output motor; 20, the exhaust fan; 21, the supporting leg; 22, the fixing frame; 23, the control panel; 24, the filter element mounting plate; 25, the connecting plate; 26, the handle. DETAILED DESCRIPTION

[0022] The application will be further described below in conjunction with the accompanying Figures 1-5 The application will be further described below in conjunction with the accompanying

[0023] The application discloses a mesh belt furnace waste gas multistage purification treatment device.

[0024] Referring to Figures 1-5 The mesh belt furnace waste gas multistage purification treatment device comprises a mesh belt furnace body 1, an exhaust port 2 is arranged at the top of the mesh belt furnace body 1, an exhaust pipe 3 is communicated to one end of the exhaust port 2, a dust falling tower 4 is communicated to one end of the exhaust pipe 3, supporting legs 21 are fixedly arranged at four corners of the bottom of the dust falling tower 4, a spraying assembly for dust falling of waste gas is communicated to the top of the dust falling tower 4, a filtering assembly is communicated to one side of the spraying assembly, and a purification assembly for purification of waste gas is communicated to one side of the dust falling tower 4.

[0025] Further, a control panel 23 is fixedly arranged at one side of the mesh belt furnace body 1, a water pumping switch and an exhaust switch are sequentially arranged on the surface of the control panel 23, the whole device is centrally controlled through the control panel 23, the water pump 7 can be controlled to work through the water pumping switch, and the output motor 19 can be controlled to work through the exhaust switch.

[0026] Further, the spraying assembly comprises a spraying pipe 5, one end of the spraying pipe 5 extends into the dust falling tower 4, an atomizing spraying head 6 is arranged at one end of the spraying pipe 5, a water pump 7 is communicated to the other end of the spraying pipe 5, a connecting pipe 8 is communicated to the water inlet end of the water pump 7, one end of the connecting pipe 8 is communicated to a water storage tank 9, the water pump 7 is electrically connected with an external power supply through the water pumping switch, when the mesh belt furnace body 1 works, the generated waste gas is discharged through the exhaust port 2, the discharged waste gas enters the dust falling tower 4 through the exhaust pipe 3, the water pump 7 is controlled to start working through the water pumping switch, the water pump 7 starts to pump out the water in the water storage tank 9 through the connecting pipe 8, the water is pumped into the spraying pipe 5 at the water outlet end through the water pump 7, the waste gas in the dust falling tower 4 is atomized and sprayed through the atomizing spraying head 6 at one end of the spraying pipe 5, and the temperature of the waste gas can also be reduced to a proper range, thereby creating good conditions for subsequent purification treatment.

[0027] Further, the filtering assembly comprises a water inlet pipe 10, one end of the water inlet pipe 10 extends to the inside of the water storage tank 9, the other end of the water inlet pipe 10 is communicated with a filter box 11, one end of the filter box 11 is communicated with a water outlet pipe 13, the water outlet pipe 13 is fixedly communicated at the outlet end of the dust falling tower 4, one side of the connection between the filter box 11 and the water outlet pipe 13 is communicated with a sewage outlet 12, a valve is installed on the sewage outlet 12, three sliding grooves are formed on the inner walls of the filter box 11, two corresponding sliding grooves are slidably installed with filter element mounting plates 24, the adjacent two filter element mounting plates 24 are fixedly installed with connecting plates 25, the top of the two filter element mounting plates 24 are fixedly installed with handles 26, the waste gas in the dust falling tower 4 is subjected to dust falling by atomizing spraying, sewage is generated, the sewage falls to the bottom of the dust falling tower 4 and enters the water outlet pipe 13 through the outlet at the bottom, the sewage enters the inside of the filter box 11 along the water outlet pipe 13, the sewage is filtered by the filter elements in the filter box 11, and then returns to the inside of the water storage tank 9 through the other end of the water inlet pipe 10, so that the sewage is filtered and recycled, after a long time of filtering, the filter elements in the filter element mounting plates 24 are polluted to reduce the working efficiency, when the spraying dust removal is not performed, the workers can pull the two handles 26 to slide and disassemble the plurality of filter element mounting plates 24 along the inside of the filter box 11 at one time, the plurality of filter elements are disassembled at one time, the residual sewage in the filter box 11 is discharged by opening the valve on the sewage outlet 12, and the filter elements are washed and replaced and then installed back to the original position, so that the working efficiency of the filter box 11 is restored.

[0028] Further, the purification assembly comprises a gas conveying pipe 14, one end of the gas conveying pipe 14 extends to the inside of the dust falling tower 4, the other end of the gas conveying pipe 14 is communicated with a purification bin 15, a fixed frame 22 is fixedly installed at the bottom of the purification bin 15, a plurality of activated carbon purification plates 16 are installed in the inside of the purification bin 15, after the waste gas in the dust falling tower 4 is subjected to dust falling by atomizing spraying, some harmful substances are still left in the gas, the gas floats through the gas conveying pipe 14 communicated on one side of the dust falling tower 4 and enters the inside of the purification bin 15, the harmful substances in the gas are purified by the plurality of activated carbon purification plates 16 in the inside of the purification bin 15, so that the emission standard is reached.

[0029] Further, one end of the purification bin 15 is communicated with an air outlet 17, two mounting racks 18 are fixedly installed in the air outlet 17, an output motor 19 is fixedly installed between the two mounting racks 18, an exhaust fan 20 is installed at the output end of the output motor 19, the output motor 19 is electrically connected with an external power supply through an exhaust switch, after the gas is purified by the activated carbon purification plate 16 in the purification bin 15, the exhaust switch on the control panel 23 is controlled to start the output motor 19 to work, the output motor 19 drives the exhaust fan 20 at the output end to rotate, the purified gas in the purification bin 15 is discharged along the air outlet 17, the purified gas is rapidly discharged, the backflow of the purified gas in the purification device or the workshop is prevented, and the stability and reliability of the purification effect are ensured.

[0030] The embodiment of the application is used in the following manner: when the mesh belt furnace body 1 is working, the exhaust gas generated is discharged through the exhaust port 2, the discharged exhaust gas enters the dust falling tower 4 through the exhaust pipe 3, the water pump 7 is started to work under the control of the water pump switch, the water pump 7 starts to pump the water in the water storage tank 9 out through the communication pipe 8, the water is pumped into the water outlet end of the spray pipe 5 through the water pump 7, the exhaust gas in the dust falling tower 4 is atomized and sprayed to fall dust through the atomizing spray head 6 at one end of the spray pipe 5, which can also reduce the temperature of the exhaust gas to an appropriate range, creating good conditions for subsequent purification treatment, the exhaust gas in the dust falling tower 4 will produce sewage after being atomized and sprayed to fall dust, the sewage falls to the bottom of the dust falling tower 4 and then enters the water outlet pipe 13 through the outlet at the bottom, the sewage enters the inside of the filter box 11 along the water outlet pipe 13, the sewage is filtered by the filter element in the filter box 11 and then returns to the inside of the water storage tank 9 through the water inlet pipe 10 at the other end, achieving filtration and recycling of the sewage, after a long period of filtration, the filter element in the filter element mounting plate 24 will be contaminated, reducing the working efficiency, when the spray dust removal is not performed, the workers can pull the two handles 26 to slide and detach the plurality of filter element mounting plates 24 along the inside of the filter box 11 at one time, completing the detachment of the plurality of filter elements at one time, the residual sewage in the filter box 11 is discharged by opening the valve on the sewage outlet 12, the filter elements are then washed and replaced and then installed back to the original position, so that the working efficiency of the filter box 11 is restored, after the exhaust gas in the dust falling tower 4 is atomized and sprayed to fall dust, some harmful substances will still remain in the gas, the gas floats upward through the gas conveying pipe 14 connected to one side of the dust falling tower 4 and enters the inside of the purification bin 15, the harmful substances in the gas are purified by the plurality of activated carbon purification plates 16 in the purification bin 15, reaching the emission standard, after the gas is purified by the activated carbon purification plates 16 in the purification bin 15, the output motor 19 is started to work under the control of the exhaust switch on the control panel 23, the output motor 19 drives the exhaust fan 20 at the output end to rotate, the gas purified in the purification bin 15 is discharged along the gas outlet 17, the purified gas is quickly discharged to prevent backflow in the purification device or in the workshop, ensuring the stability and reliability of the purification effect.

[0031] The above are preferred embodiments of the application, which do not limit the protection scope of the application, therefore: any equivalent changes made on the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A multi-stage purification and treatment device for exhaust gas from a mesh belt furnace, comprising a mesh belt furnace body (1), characterized in that: The top of the mesh belt furnace body (1) is equipped with an exhaust port (2), one end of the exhaust port (2) is connected to an exhaust pipe (3), one end of the exhaust pipe (3) is connected to a dust suppression tower (4), the four corners of the bottom of the dust suppression tower (4) are fixedly equipped with support legs (21), the top of the dust suppression tower (4) is connected to a spray assembly for dust suppression of exhaust gas, one side of the spray assembly is connected to a filter assembly, and one side of the dust suppression tower (4) is connected to a purification assembly for purifying exhaust gas.

2. The multi-stage purification and treatment device for waste gas from a mesh belt furnace according to claim 1, characterized in that: A control panel (23) is fixedly installed on one side of the mesh belt furnace body (1), and a water pump switch and an exhaust switch are installed on the surface of the control panel (23) in sequence.

3. The multi-stage purification and treatment device for waste gas from a mesh belt furnace according to claim 2, characterized in that: The spray assembly includes a spray pipe (5), one end of which extends into the interior of the dust suppression tower (4). An atomizing spray head (6) is installed at one end of the spray pipe (5), and the other end of the spray pipe (5) is connected to a water pump (7). The inlet of the water pump (7) is connected to a connecting pipe (8), and one end of the connecting pipe (8) is connected to a water storage tank (9). The water pump (7) is electrically connected to an external power supply through a pumping switch.

4. The multi-stage purification and treatment device for waste gas from a mesh belt furnace according to claim 3, characterized in that: The filter assembly includes an inlet pipe (10), one end of which extends into the interior of a water storage tank (9), and the other end of which is connected to a filter box (11). One end of the filter box (11) is connected to an outlet pipe (13), which is fixedly connected to the outlet end of a dust suppression tower (4). A drain outlet (12) is connected to one side of the connection between the filter box (11) and the outlet pipe (13). A valve is installed on the drain outlet (12). Three sliding grooves are provided on both sides of the inner wall of the filter box (11). A filter element mounting plate (24) is slidably installed between two corresponding sliding grooves. A connecting plate (25) is fixedly installed between two adjacent filter element mounting plates (24). A handle (26) is fixedly installed on the top of each of the two filter element mounting plates (24).

5. The multi-stage purification and treatment device for waste gas from a mesh belt furnace according to claim 1, characterized in that: The purification component includes an air supply pipe (14), one end of which extends into the interior of the dust collection tower (4), and the other end of which is connected to a purification chamber (15). A fixing frame (22) is fixedly installed at the bottom of the purification chamber (15), and multiple activated carbon purification plates (16) are installed inside the purification chamber (15).

6. The multi-stage purification and treatment device for waste gas from a mesh belt furnace according to claim 5, characterized in that: One end of the purification chamber (15) is connected to an air outlet (17). Two mounting brackets (18) are fixedly installed inside the air outlet (17). An output motor (19) is fixedly installed between the two mounting brackets (18). An exhaust fan (20) is installed at the output end of the output motor (19). The output motor (19) is electrically connected to an external power supply through an exhaust switch.

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