Filtering device for smoke exhaust pipeline of sintering furnace

Abstract

The utility model relates to the technical field of sintering furnaces, in particular to a sintering furnace smoke exhaust pipeline filtering device which comprises a furnace body, a smoke exhaust port and a filtering mechanism, the filtering mechanism comprises a gas guide pipe, a smoke exhaust chamber, a water tank, a smoke exhaust pipe, an adsorption assembly and a stirring assembly, and the smoke exhaust port is fixedly connected with the furnace body and located above the furnace body. One end of the gas guide pipe is fixedly connected and communicated with the smoke outlet, the water tank is fixedly connected with the smoke exhaust chamber and located below the smoke exhaust chamber, the other end of the gas guide pipe is fixedly connected with and communicated with the smoke exhaust chamber and extends into the water tank, the smoke exhaust pipe is fixedly connected with the smoke exhaust chamber, the adsorption assembly is slidably connected to the smoke exhaust pipe, and the stirring assembly is arranged at the bottom of the water tank. Waste gas generated by sintering enters the gas guide pipe through the smoke exhaust port and is conveyed into the water tank through the gas guide pipe, water in the water tank absorbs dust, an adsorption assembly in the smoke exhaust pipe absorbs peculiar smell in the waste gas, direct emission of the waste gas is avoided, and the surrounding environment is protected.

Description

Technical Field

[0001] The utility model relates to the technical field of sintering furnaces, in particular to a sintering furnace exhaust pipe filtering device. Background Art

[0002] A sintering furnace is a furnace that, at high temperature, causes the solid particles of ceramic green bodies to bond with each other, causing the grains to grow, while the voids (pores) and grain boundaries gradually decrease. Through the transfer of matter, its total volume shrinks, its density increases, and it finally becomes a dense polycrystalline sintered body with a certain microstructure. However, the combustion efficiency in current sintering furnaces is relatively low.

[0003] The prior art CN201713610U includes a furnace body, a smoke exhaust port and a funnel. The end of the furnace body is provided with a smoke exhaust port, and the smoke exhaust port is covered with an inverted funnel. The end of the funnel is connected to a pipe leading to the atmosphere. The negative pressure generated by the air is used to naturally discharge the exhaust gas in the furnace into the atmosphere, thereby improving the combustion efficiency in the furnace and having high practical value.

[0004] The sintering furnace will generate dust and odor during the sintering process, but in the prior art, the device directly discharges the waste gas into the atmosphere, and the dust and odor will have an impact on the environment. Utility Model Content

[0005] The utility model aims to provide a sintering furnace exhaust pipe filtering device, which solves the problem of dust and odor generated by the sintering furnace during the sintering process. However, in the prior art, the device directly discharges the exhaust gas into the atmosphere, and the dust and odor will have an impact on the environment.

[0006] To achieve the above-mentioned purpose, the utility model provides a sintering furnace smoke exhaust duct filtering device, including a furnace body, a smoke exhaust port and a filtering mechanism, the filtering mechanism including an air duct, a smoke exhaust chamber, a water tank, a smoke exhaust pipe, an adsorption assembly and a stirring assembly, the smoke exhaust port is fixedly connected to the furnace body and is located above the furnace body, one end of the air duct is fixedly connected to the smoke exhaust port and is communicated with, the water tank is fixedly connected to the smoke exhaust chamber and is located below the smoke exhaust chamber, the other end of the air duct is fixedly connected to the smoke exhaust chamber and is communicated with, and extends into the water tank, the smoke exhaust pipe is fixedly connected to the smoke exhaust chamber, the adsorption assembly is slidably connected to the smoke exhaust pipe, and the stirring assembly is arranged at the bottom of the water tank.

[0007] Among them, the stirring assembly includes a power kit, a mounting cylinder and multiple stirring plates. The power kit is arranged at the bottom of the water tank, the mounting cylinder is fixedly connected to the output end of the power kit, and the multiple stirring plates are fixedly connected to the outer wall of the mounting cylinder.

[0008] Wherein, the power kit includes a motor and a rotating shaft, the motor is fixedly connected to the water tank and is located below the water tank, the rotating shaft is fixedly connected to the output end of the motor and extends into the water tank, and the mounting tube is fixedly connected to the rotating shaft.

[0009] Wherein, the filtering mechanism also includes a fastening assembly, which includes a ring, a bolt and a nut. The ring is located outside the smoke exhaust port and the air duct, the bolt is threadedly connected to one end of the ring, and the nut is threadedly connected to the bolt.

[0010] Wherein, the adsorption assembly comprises a filter plate, a sealing plate and a pull ring, the filter plate is slidably connected to the smoke exhaust pipe, the sealing plate is fixedly connected to the filter plate, and the pull ring is fixedly connected to the sealing plate.

[0011] Wherein, the sintering furnace exhaust pipe filtering device also includes a protection mechanism, and the protection mechanism is arranged on the exhaust pipe.

[0012] Wherein, the protection mechanism includes three support columns and a cover plate, the three support columns are fixedly connected to the smoke exhaust pipe, and the cover plate is fixedly connected to the three support columns.

[0013] The utility model discloses a sintering furnace exhaust pipe filtering device, the exhaust port is fixedly connected to the furnace body and is located above the furnace body, one end of the air guide pipe is fixedly connected to the exhaust port and is communicated with, the water tank is fixedly connected to the exhaust chamber and is located below the exhaust chamber, the other end of the air guide pipe is fixedly connected to the exhaust chamber and is communicated with, and extends into the water tank, the exhaust pipe is fixedly connected to the exhaust chamber, the adsorption component is slidably connected to the exhaust pipe, the stirring component is arranged at the bottom of the water tank, and the exhaust pipe is fixedly connected to the exhaust chamber. The water tank contains clean water. During the sintering process, waste gas is generated in the furnace body. The waste gas enters the air duct through the smoke exhaust port, and the waste gas enters the bottom of the water tank through the air duct. The stirring component makes the waste gas fully contact with the clean water. The clean water precipitates the dust in the waste gas in the water tank. The dust in the waste gas enters the smoke exhaust chamber after being cleaned, and the waste gas enters the smoke exhaust pipe. The adsorption component in the smoke exhaust pipe absorbs the odor in the waste gas and then discharges it, so as to avoid the waste gas being directly discharged into the atmosphere. The waste gas is discharged after the dust and odor are removed, thereby protecting the atmospheric environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0015] Figure 1It is a schematic diagram of the overall structure of the first embodiment of the sintering furnace exhaust pipe filtering device of the utility model.

[0016] Figure 2 yes Figure 1 Enlarged view of point A in the middle.

[0017] Figure 3 It is a schematic structural diagram of the first embodiment of the sintering furnace exhaust pipe filtering device according to the utility model in another direction.

[0018] Figure 4 yes Figure 3 Enlarged view of point B in the middle.

[0019] Figure 5 It is a schematic diagram of the overall structure of the second embodiment of the sintering furnace exhaust pipe filtering device of the utility model.

[0020] 101-furnace body, 102-smoke exhaust port, 103-air guide pipe, 104-smoke exhaust chamber, 105-water tank, 106-smoke exhaust pipe, 107-motor, 108-rotating shaft, 109-installing cylinder, 110-stirring plate, 111-filter plate, 112-ring, 113-bolt, 114-nut, 115-sealing plate, 116-pull ring, 201-support column, 202-cover plate. DETAILED DESCRIPTION

[0021] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0022] The first embodiment of the present application is:

[0023] See also Figure 1-Figure 4 , Figure 1 This is a schematic diagram of the overall structure of the first embodiment of the sintering furnace exhaust pipe filtering device of the utility model. Figure 2 yes Figure 1 The enlarged view of point A in the middle. Figure 3 This is a schematic diagram of the overall structure of the first embodiment of the sintering furnace exhaust pipe filtering device in another direction of the utility model. Figure 4 yes Figure 3 Enlarged view of point B in the middle.

[0024] The utility model provides a sintering furnace exhaust pipe filtering device, including a furnace body 101, a smoke outlet 102 and a filtering mechanism, the filtering mechanism includes an air guide pipe 103, a smoke exhaust chamber 104, a water tank 105, a fastening assembly, a smoke exhaust pipe 106, an adsorption assembly and a stirring assembly, the stirring assembly includes a power kit, a mounting cylinder 109 and a plurality of stirring plates 110, the power kit includes a motor 107 and a rotating shaft 108, the fastening assembly includes a collar 112, a bolt 113 and a nut 114, the adsorption assembly includes a filter plate 111, a sealing plate 115 and a pull ring 116, the above-mentioned solution solves the dust and odor generated by the sintering furnace during the sintering process, but in the prior art, the device directly discharges the exhaust gas into the atmosphere, and the dust and odor will have an impact on the environment.

[0025] In this specific embodiment, the smoke exhaust port 102 is fixedly connected to the furnace body 101 and is located above the furnace body 101. One end of the air guide pipe 103 is fixedly connected to the smoke exhaust port 102 and is in communication with it. The water tank 105 is fixedly connected to the smoke exhaust chamber 104 and is located below the smoke exhaust chamber 104. The other end of the air guide pipe 103 is fixedly connected to the smoke exhaust chamber 104 and is in communication with it, and extends into the water tank 105. The smoke exhaust pipe 106 is fixedly connected to the smoke exhaust chamber 104. The adsorption component is slidably connected to the smoke exhaust pipe 106. The stirring component is arranged at the bottom of the water tank 105. The water tank 105 contains clean water. During the sintering process, Exhaust gas is generated in the furnace body 101, and the exhaust gas enters the air duct 103 through the smoke exhaust port 102, and then enters the bottom of the water tank 105 through the air duct 103. The stirring component allows the exhaust gas to fully contact with clean water, and the clean water precipitates the dust in the exhaust gas in the water tank 105, for example, the metal powder in the dust is precipitated in the water tank, and the dust in the exhaust gas enters the exhaust chamber 104 after being cleaned, and the exhaust gas enters the exhaust duct 106. The adsorption component in the exhaust duct 106 absorbs the odor in the exhaust gas and then discharges it. For example, the sulfide generated by sintering is adsorbed on the adsorption component, so as to avoid the exhaust gas being directly discharged into the atmosphere, and the exhaust gas is discharged after the dust and odor are removed, thereby protecting the atmospheric environment.

[0026] The power kit is arranged at the bottom of the water tank 105, the mounting tube 109 is fixedly connected to the output end of the power kit, the plurality of stirring plates 110 are fixedly connected to the outer wall of the mounting tube 109, the motor 107 is fixedly connected to the water tank 105 and is located below the water tank 105, the rotating shaft 108 is fixedly connected to the output end of the motor 107 and extends into the water tank 105, the mounting tube 109 is fixedly connected to the rotating shaft 108, and during the sintering process, the furnace Exhaust gas is generated in the body 101, and the exhaust gas enters the air duct 103 through the smoke exhaust port 102, and the exhaust gas enters the bottom of the water tank 105 through the air duct 103. At this time, the motor 107 is started, and the motor 107 drives the rotating shaft 108 to rotate. The mounting cylinder 109 rotates with the rotating shaft 108, and the mounting cylinder 109 drives the multiple stirring plates 110 to rotate. The multiple stirring plates 110 stir in the water, so that the exhaust gas is fully in contact with the clean water, and the dust in the exhaust gas is precipitated in the water tank 105.

[0027] Secondly, the collar 112 is located outside the smoke exhaust port 102 and the air duct 103, the bolt 113 is threadedly connected to one end of the collar 112, the nut 114 is threadedly connected to the bolt 113, and the collar 112 is located at the connection between the smoke exhaust port 102 and the air duct 103. The nut 114 is rotated to shrink the collar 112, and the collar 112 tightly closes the connection between the smoke exhaust port 102 and the air duct 103, thereby increasing the air tightness of the device.

[0028] At the same time, the filter plate 111 has activated carbon, which can absorb sulfur dioxide gas and carbon monoxide gas generated by sintering. The filter plate 111 is slidably connected to the smoke exhaust pipe 106, the sealing plate 115 is fixedly connected to the filter plate 111, and the pull ring 116 is fixedly connected to the sealing plate 115. After the filter plate 111 filters the gas for a period of time, the filter plate 111 needs to be disassembled and cleaned to ensure the effect of purifying the gas. When disassembling the filter plate 111, pull the pull ring 116, and the pull ring 116 drives the sealing plate 115 and the filter plate 111 to move outward. After cleaning the filter plate 111, the filter plate 111 is inserted again, and the sealing plate 115 seals the connection between the smoke exhaust pipe 106 and the filter plate 111.

[0029] When the utility model is used to treat the waste gas from a sintering furnace, during the sintering process, waste gas is generated in the furnace body 101, and the waste gas enters the air duct 103 through the smoke exhaust port 102, and the waste gas enters the bottom of the water tank 105 through the air duct 103. At this time, the motor 107 is started, and the motor 107 drives the rotating shaft 108 to rotate, and the mounting cylinder 109 rotates with the rotating shaft 108. The mounting cylinder 109 drives the plurality of stirring plates 110 to rotate, and the plurality of stirring plates 110 are stirred in the water to make the waste gas fully contact with the clean water, and the dust in the waste gas is precipitated in the water tank 105, and the dust in the waste gas is cleaned and then enters the smoke exhaust chamber 104, and the waste gas enters the smoke exhaust pipe 106, and the filter plate 111 in the smoke exhaust pipe 106 absorbs the odor in the waste gas and then discharges it, so as to avoid the waste gas being directly discharged into the atmosphere, and the waste gas is discharged after the dust and odor are removed, thereby protecting the atmospheric environment.

[0030] The second embodiment of the present application is:

[0031] See also Figure 5 , Figure 5 The second embodiment of the utility model is a schematic diagram of the overall structure of the sintering furnace exhaust pipe filter device. On the basis of the first embodiment, the sintering furnace exhaust pipe filter device of this embodiment further includes a protection mechanism, which is arranged on the exhaust pipe 106 and includes three support columns 201 and a cover plate 202.

[0032] The three support columns 201 are fixedly connected to the smoke exhaust pipe 106, and the cover plate 202 is fixedly connected to the three support columns 201. The device removes dust and odor from the exhaust gas and discharges it through the smoke exhaust pipe 106. Since the smoke exhaust pipe 106 is located outdoors, when it rains, the cover plate 202 blocks rainwater to prevent rainwater from entering the smoke exhaust pipe 106 and the water tank 105. The rainwater will affect the normal operation of the adsorption component in the smoke exhaust pipe 106, thereby increasing the stability of the device.

[0033] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A sintering furnace exhaust pipe filtering device, comprising a furnace body and an exhaust port, wherein the exhaust port is fixedly connected to the furnace body and located above the furnace body, characterized in that: It also includes a filtering mechanism, which includes an air duct, a smoke exhaust chamber, a water tank, a smoke exhaust pipe, an adsorption assembly and a stirring assembly. One end of the air duct is fixedly connected to the smoke exhaust port and communicated with it. The water tank is fixedly connected to the smoke exhaust chamber and is located below the smoke exhaust chamber. The other end of the air duct is fixedly connected to the smoke exhaust chamber and communicated with it, and extends into the water tank. The smoke exhaust pipe is fixedly connected to the smoke exhaust chamber. The adsorption assembly is slidably connected to the smoke exhaust pipe, and the stirring assembly is arranged at the bottom of the water tank.

2. The sintering furnace exhaust pipe filtering device according to claim 1, characterized in that: The stirring assembly includes a power kit, a mounting cylinder and a plurality of stirring plates. The power kit is arranged at the bottom of the water tank. The mounting cylinder is fixedly connected to the output end of the power kit. The plurality of stirring plates are fixedly connected to the outer side wall of the mounting cylinder.

3. The sintering furnace exhaust pipe filtering device according to claim 2, characterized in that: The power kit includes a motor and a rotating shaft. The motor is fixedly connected to the water tank and is located below the water tank. The rotating shaft is fixedly connected to the output end of the motor and extends into the water tank. The mounting tube is fixedly connected to the rotating shaft.

4. The sintering furnace exhaust pipe filtering device according to claim 1, characterized in that: The filtering mechanism also includes a fastening assembly, which includes a collar, a bolt and a nut. The collar is located outside the smoke exhaust port and the air duct, the bolt is threadedly connected to one end of the collar, and the nut is threadedly connected to the bolt.

5. The sintering furnace exhaust pipe filtering device according to claim 1, characterized in that: The adsorption assembly comprises a filter plate, a sealing plate and a pull ring, the filter plate is slidably connected to the smoke exhaust pipe, the sealing plate is fixedly connected to the filter plate, and the pull ring is fixedly connected to the sealing plate.

6. The sintering furnace exhaust pipe filtering device according to claim 1, characterized in that: The sintering furnace exhaust pipe filtering device further comprises a protection mechanism, and the protection mechanism is arranged on the exhaust pipe.

7. The sintering furnace exhaust pipe filtering device according to claim 6, characterized in that: The protection mechanism comprises three support columns and a cover plate, the three support columns are fixedly connected to the smoke exhaust pipe, and the cover plate is fixedly connected to the three support columns.

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