A desulfurization device in an electrolytic manganese residue drying process

Abstract

The application discloses a desulfurization device in an electrolytic manganese residue drying process and relates to the technical field of industrial metal material recovery.The application comprises a drying box, a conveying cylinder and a desulfurization box, wherein the drying box is communicated with the conveying cylinder at opposite ends, and the desulfurization box is arranged on the two sides of the drying box.The application is characterized in that a grinding roller is additionally arranged between the drying box and the conveying cylinder, the electrolytic manganese residue before drying is pre-ground by the grinding roller driven by a working shaft, the electrolytic manganese residue becomes fine, the electrolytic manganese residue is heated more uniformly and completely in the subsequent drying process, the electrolytic manganese residue is dried more fully, and part of impurities remaining in the residue can be removed in the drying process; the desulfurization box is provided with a combustion chamber, and a dust collection air box is communicated with the drying box, desulfurization is carried out by combustion reaction, heat generated during combustion can be recovered in the dust collection air box, and the powder after grinding is dried by the waste heat again, so that the utilization rate of energy is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of industrial metal material recycling, and particularly relates to a desulfurization device in an electrolytic manganese residue drying process. BACKGROUND

[0002] The electrolytic manganese residue is a residual waste produced in the electrolytic manganese process, which not only contains a small amount of manganese, but also mainly contains an additive for concrete, which can effectively improve the strength of the concrete. However, part of the nitride and sulfide remains in the electrolytic manganese residue, which not only affects the quality of the concrete, but also pollutes the environment and harms the human body. Therefore, in order to reduce the residual amount of harmful substances in the electrolytic manganese residue, desulfurization and denitrification treatment is often required when the electrolytic manganese residue is recycled and reused. Therefore, according to this work requirement, a desulfurization device in an electrolytic manganese residue drying process is designed. SUMMARY

[0003] The purpose of the present application is to provide a desulfurization device in an electrolytic manganese residue drying process, which solves the problem of residual sulfide in the existing electrolytic manganese residue.

[0004] To solve the above technical problems, the present application is realized by the following technical scheme:

[0005] The present application is a desulfurization device in an electrolytic manganese residue drying process, which comprises a storage tank, a workbench, a drying box and a desulfurization tank. The opposite sides of the drying box are both welded with a conveying cylinder in communication. Two desulfurization tanks are arranged on the opposite sides of the drying box, and a support frame is fixed on the upper surface of the desulfurization tank. The support frame is nested with the conveying cylinder.

[0006] The drying box is internally provided with a working shaft, and the working shaft is welded with a grinding roller and a conveying keel on the side surface. The grinding roller is arranged between the drying box and the conveying cylinder, and the conveying keel is arranged inside the conveying cylinder. The combination part of the drying box and the conveying cylinder is in a funnel structure, and the grinding roller is adapted to the combination part structure of the drying box and the conveying cylinder. The conveying keel is attached to the inner wall of the conveying cylinder. The grinding roller is used to grind the electrolytic manganese residue to be dried into powder, which is convenient for water evaporation and subsequent desulfurization heating, and there is a gap between the grinding roller and the inner wall of the combination part of the drying box and the conveying cylinder. The opposite ends of the working shaft are both welded with a driving sprocket, and the two driving sprockets are arranged outside the conveying cylinders on both sides.

[0007] The lower surface of the drying box is welded with a load box in communication; the inside of the load box is slidably clamped with a load plate, and the load plate penetrates the load box; the inside of the desulfurization box is provided with a combustion chamber, which is communicated to the outside of the desulfurization box; the opposite ends of the load plate are slidably extended to the inside of the combustion chamber on both sides; in the actual working process, the load plate reciprocally slides between the combustion chambers on both sides and the load box, ensuring the coherence of the work; the inside of the desulfurization box is fixedly bolted with a bracket and a combustion furnace frame, wherein the combustion furnace frame is arranged below the bracket; in the actual work, the combustion furnace frame is connected with a gas pipeline, and the open fire combustion process is carried out through the combustion furnace frame; the lower surface of the drying box is provided with a gas supply channel, and the combustion chamber and the outside of the drying box are communicated through the gas supply channel; wherein the gas supply channel is used to provide sufficient combustion air or oxygen to the inside of the combustion chamber to improve the combustion heat; the bracket is a net frame structure, which facilitates the open fire combustion of the combustion furnace frame through the bracket.

[0008] Further, the upper surface of the load plate is provided with two load grooves, and the two load grooves are arranged at opposite ends of the load plate, and the inside of the load groove is used to fill the electrolytic manganese residue powder after grinding and drying; a plurality of sieve holes are provided in the inner surface of the load groove, and the sieve holes extend to the lower surface of the load plate, wherein the aperture of the sieve hole is smaller than the gap between the combined part of the drying box and the conveying cylinder and the grinding roller, which can ensure the emission of water vapor in the powder during the drying process, and at the same time ensure that there is no leakage phenomenon.

[0009] Further, the lower surface of the load plate is welded with a driven rack, the inside of the load box is bearing-connected with a transfer shaft, the transfer shaft is welded with a transfer gear on the circumferential surface, and the transfer gear is engaged with the driven rack; the outside of the load box is fixedly bolted with a transfer motor, and the output shaft of the transfer motor is fixedly bolted with the transfer shaft; the workbench is built-in microcontroller, and the microcontroller controls the forward and reverse rotation of the transfer motor; wherein when the microcontroller controls the forward and reverse rotation of the transfer motor, the gear and rack engagement structure drives the load plate to reciprocally slide, which can alternately desulfurize the powder in the load grooves at both ends.

[0010] Further, the inside of the support frame is provided with a plurality of exhaust channels, one end of the plurality of exhaust channels is communicated with the inside of the combustion chamber, the other end is communicated with each other, and the plurality of exhaust channels are wound on the outside of the conveying cylinder, which can use the heat generated by the combustion chamber to preheat the electrolytic manganese residue; the upper surface of the support frame is welded with a gas supply pipe, and the gas supply pipe is communicated with the exhaust channel; the two gas supply pipes are welded in communication with a heat supply pipe, the upper end of the heat supply pipe is bolted in communication with a dust collecting fan box, and the lower end is extended in communication to the inside of the drying box; wherein the hot air after preheating the powder successively passes through the gas supply pipe, the heat supply pipe and the inside of the drying box, and the well-grounded powder is thoroughly dried.

[0011] Further, the gas supply pipe is internally provided with a gas supply valve, which is arranged between the gas supply pipe and the heat supply pipe, wherein the gas supply valve is a one-way valve structure, and its communication direction is from the gas supply pipe to the heat supply pipe; in actual work, when the transfer motor drives the carrier plate to slide to one side, the hot air and flue gas generated by the combustion in the combustion chamber on this side are injected into the heat supply pipe through the gas supply pipe, and the one-way valve structure of the gas supply valve on the other side can prevent the hot air and flue gas from flowing back and leaking.

[0012] Further, the dust collection fan box comprises a fixed plate, a pressure plate and a dust collection cover, wherein the two ends of the dust collection cover are bolted and fixed to the fixed plate and the pressure plate respectively, and the dust collection cover is in a sealed structure; the pressure plate is arranged above the fixed plate, and the fixed plate is bolted and communicated with the heat supply pipe; the dust collection cover is a flexible tile-shaped pipe structure, and a plurality of adsorption plates are bolted and fixed to the inner surface of the dust collection cover; the material of the adsorption plate comprises activated carbon and quicklime; a gas suction pump is bolted and fixed to the side surface of the heat supply pipe, and the gas suction pump is arranged between the gas supply pipe and the drying box; one surface of the gas suction pump is bolted and fixed to the fixed plate; in combination with the foregoing structure, when the desulfurization combustion work is carried out in the combustion chamber, the gas suction pump stops running, the hot air and flue gas are injected into the dust collection fan box through the gas supply pipe and the heat supply pipe on one side, under the action of air pressure, the dust collection cover expands and expands, and the sulfur-containing flue gas in the mixed gas is adsorbed on the surface of the adsorption plate, while the air and heat are stored in the dust collection fan box; when the combustion work is completed, the gas suction pump resumes work to suction the hot air and heat in the dust collection fan box to the inside of the drying box, so as to carry out drying work on the electrolytic manganese residue powder in the inside.

[0013] Further, a conveying frame is welded and fixed between one end of the conveying cylinder and the storage tank, wherein the conveying frame is a groove pipe structure; a plurality of conveying driven shafts are bearing-connected to the inner surface of the conveying frame, and a conveying belt is arranged between the plurality of conveying driven shafts; a driven sprocket is welded to one end of the conveying driven shaft, and the driven sprocket is arranged outside the conveying frame; a chain is arranged between the driven sprocket and a driving sprocket and is driven and cooperated through the chain; the driving sprocket is connected with a driving motor, and under the driving of the driving motor, the electrolytic manganese residue is conveyed from the storage tank to the drying box through the conveying frame and the conveying cylinder by using the conveying belt structure and the screw conveying structure to participate in the drying work.

[0014] Further, a start switch is arranged on the inner surface of the combustion chamber, and the start switch is a light touch switch and is electrically connected with the gas suction pump; when the carrier plate slides to one side and touches the start switch on this side, the gas suction pump stops at this time; the gas suction pump is electrically connected with a microcontroller; at the same time, when the combustion work in the combustion chamber is completed, the gas suction pump is started again to use the suction heat and hot air to carry out drying work on the powder on the other side;

[0015] It should be noted that the automatic workflow in the present application is mainly realized by a microcontroller, and in actual work, the operation of the equipment can also be controlled by manual operation only; in addition, in the desulfurization device of the present application, the material of the carrier plate is selected to be refractory material, which can reduce the phenomenon of impurities generated by itself due to combustion or oxidation during work;

[0016] A kind of actual working procedure and part working principle of desulfurization device in electrolytic manganese slag drying process:

[0017] When starting drying work, start the external drive motor, and the electrolytic manganese slag is conveyed to the inside of the equipment by the conveying frame of the conveying belt structure and the conveying cylinder of the screw conveying structure in the storage tank; during the screw conveying process, the electrolytic manganese slag is conveyed to the joint part of the conveying cylinder and the drying box, and is milled under the action of the working shaft and the milling roller, and becomes powder, which is convenient for more uniform and complete heating in the drying work; the first batch of powder is not dried, and after falling into the carrier tank on one side, the transfer motor is started, and the carrier plate and the powder in the carrier tank are conveyed into the combustion chamber on the same side by the gear and rack structure, and then the powder is burned and desulfurized by the combustion furnace frame, and the transfer motor is stopped at this time; during the combustion process, the hot air and flue gas generated in the combustion chamber enter the dust collection air tank through the gas supply pipe and the heat supply pipe for desulfurization adsorption and storage; when the combustion is completed, the air pump is started to pump the heat in the dust collection air tank to the drying box to dry the powder in the carrier tank on the other side; after the drying work is completed, the transfer motor is started in reverse to convey the dried powder into the combustion chamber on the other side for burning and desulfurization; and the desulfurized powder is taken out by manual brushing during the conveying process out of the combustion chamber, and then the carrier tank on this side is transported into the carrier tank for the next stage of receiving work

[0018] The present application has the following beneficial effects:

[0019] By installing a milling roller between the drying box and the conveying cylinder, the electrolytic manganese slag before drying is pre-milled by the working shaft driving the milling roller, so that the particles become small, the heating is more uniform and complete in the subsequent drying process, the drying is more sufficient, and part of the impurities remaining in the slag can be removed during the drying process.

[0020] On the other hand, by setting the desulfurization tank with the combustion chamber and the dust collection air tank communicating with the drying box, the desulfurization work is carried out by combustion reaction, the heat generated during combustion can be recovered in the dust collection air tank, and the heat can be used again to dry the milled powder, improving the utilization rate of energy; the flue gas generated during the combustion reaction can also be adsorbed by the adsorption plate in the dust collection air tank, avoiding secondary pollution to the slag.

[0021] Of course, implementing any of the products of the application does not necessarily require that all of the above-mentioned advantages be achieved at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed for the description of the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0023] Figure 1 Assembled structure diagram of a desulfurization device in an electrolytic manganese residue drying process of the present application;

[0024] Figure 2 Assembled structure diagram of a desulfurization device in an electrolytic manganese residue drying process of the present application; Figure 1 Partial display diagram of part A in the present application;

[0025] Figure 3 Front view of a desulfurization device in an electrolytic manganese residue drying process of the present application;

[0026] Figure 4 Assembled structure diagram of a desulfurization device in an electrolytic manganese residue drying process of the present application; Figure 3 Structure schematic diagram of section B-B in the present application;

[0027] Figure 5 Assembled structure diagram of a desulfurization device in an electrolytic manganese residue drying process of the present application; Figure 4 Partial display diagram of part C in the present application;

[0028] Figure 6 Assembled structure diagram of a desulfurization device in an electrolytic manganese residue drying process of the present application; Figure 4 Structure schematic diagram of section D-D in the present application;

[0029] Figure 7 Assembled structure diagram of a desulfurization device in an electrolytic manganese residue drying process of the present application; Figure 6 Partial display diagram of part E in the present application;

[0030] Figure 8 Assembled structure diagram of a desulfurization device in an electrolytic manganese residue drying process of the present application; Figure 6 Partial display diagram of part F in the present application;

[0031] Figure 9 Assembled structure diagram of a desulfurization device in an electrolytic manganese residue drying process of the present application; Figure 6 Structure schematic diagram of section G-G in the present application;

[0032] Figure 10 Assembled structure diagram of a desulfurization device in an electrolytic manganese residue drying process of the present application; Figure 6 Structure schematic diagram of section H-H in the present application;

[0033] Figure 11 Assembled structure diagram of a desulfurization device in an electrolytic manganese residue drying process of the present application; Figure 6 Structure schematic diagram of section I-I in the present application.

[0034] In the drawings, the component list represented by each reference sign is as follows:

[0035] 1, storage tank; 2, workbench; 3, drying box; 4, desulfurization tank; 5, conveying cylinder; 6, support frame; 7, working shaft; 8, grinding roller; 9, conveying keel; 10, drive sprocket; 11, material loading box; 12, material loading plate; 13, combustion chamber; 14, bracket; 15, combustion furnace frame; 16, air supply channel; 17, material loading groove; 18, sieve hole; 19, driven rack; 20, transfer shaft; 21, transfer gear; 22, transfer motor; 23, exhaust channel; 24, air supply pipe; 25, heat supply pipe; 26, dust collection fan; 27, air supply valve; 28, fixed plate; 29, pressure plate; 30, dust collection cover; 31, adsorption plate; 32, air suction pump; 33, conveying frame; 34, driven shaft; 35, conveying belt; 36, driven sprocket; 37, chain. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0037] In the description of the present application, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicate the orientation or positional relationship, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the indicated component or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application.

[0038] Please refer to Figures 1-11 As shown in the drawings, the present application is a desulfurization device in the drying process of electrolytic manganese residue, which comprises a storage tank 1, a workbench 2, a drying box 3 and a desulfurization tank 4, and the drying box 3 is welded with a conveying cylinder 5 on the opposite sides; two desulfurization tanks 4 are arranged on the opposite sides of the drying box 3, and the upper surface of the desulfurization tank 4 is fixedly connected with a support frame 6; the support frame 6 is nested with the conveying cylinder 5;

[0039] The inside of the drying box 3 is provided with a working shaft 7, and the working shaft 7 is welded with a grinding roller 8 and a conveying keel 9 on the side surface, wherein the grinding roller 8 is arranged between the drying box 3 and the conveying cylinder 5, and the conveying keel 9 is arranged inside the conveying cylinder 5; the joint part of the drying box 3 and the conveying cylinder 5 is in a funnel structure, and the grinding roller 8 is matched with the joint part structure of the drying box 3 and the conveying cylinder 5; the conveying keel 9 is attached to the inner wall of the conveying cylinder 5; wherein the grinding roller 8 is used to grind the electrolytic manganese residue to be dried into powder, so as to facilitate the evaporation of water and the subsequent desulfurization heating to be more uniform and thorough, and there is a gap between the grinding roller 8 and the inner wall of the joint part of the drying box 3 and the conveying cylinder 5; the opposite ends of the working shaft 7 are both welded with a driving sprocket 10, and the two driving sprockets 10 are respectively arranged outside the two conveying cylinders 5.

[0040] The lower surface of the drying box 3 is welded with a load box 11 in communication; the inside of the load box 11 is slidably clamped with a load plate 12, and the load plate 12 penetrates the load box 11; the inside of the desulfurization box 4 is provided with a combustion chamber 13, and the combustion chamber 13 is communicated to the outside of the desulfurization box 4; the opposite ends of the load plate 12 are respectively slidably extended to the inside of the two combustion chambers 13; in the actual working process, the load plate 12 reciprocally slides between the two combustion chambers 13 and the load box 11, to ensure the continuity of the work; the inside of the desulfurization box 4 is fixedly bolted with a bracket 14 and a combustion furnace frame 15, wherein the combustion furnace frame 15 is arranged below the bracket 14; in actual work, the combustion furnace frame 15 is connected with a gas pipeline, and the open fire combustion process is carried out through the combustion furnace frame 15; the lower surface of the drying box 3 is provided with a gas supply channel 16, and the combustion chamber 13 is communicated with the outside of the drying box 3 through the gas supply channel 16; wherein the gas supply channel 16 is used to provide sufficient combustion air or oxygen to the inside of the combustion chamber 13, to improve the combustion heat energy; the bracket 14 is in a grid structure, to facilitate the open fire of the combustion furnace frame 15 to pass through the bracket 14 for combustion.

[0041] Preferably, the upper surface of the load plate 12 is provided with two load grooves 17, and the two load grooves 17 are respectively arranged at the opposite ends of the load plate 12, and the inside of the load groove 17 is used to fill the electrolytic manganese residue powder after grinding and drying; a plurality of sieve holes 18 are arranged on the inner surface of the load groove 17, and the sieve holes 18 extend to the lower surface of the load plate 12, wherein the aperture of the sieve hole 18 is smaller than the gap between the joint part of the drying box 3 and the conveying cylinder 5 and the grinding roller 8, which can ensure the emission of water vapor in the powder during the drying process, while ensuring that there is no leakage phenomenon.

[0042] Preferably, the lower surface of the carrier plate 12 is welded with a driven rack 19, the inner surface of the carrier box 11 is bearing connected with a transfer shaft 20, the lateral surface of the transfer shaft 20 is welded with a transfer gear 21, and the transfer gear 21 is engaged with the driven rack 19; the outer surface of the carrier box 11 is bolted with a transfer motor 22, and the output shaft of the transfer motor 22 is bolted with the transfer shaft 20; the workbench 2 is built-in with a microcontroller, and the microcontroller controls the forward and reverse rotation of the transfer motor 22; wherein when the microcontroller controls the forward and reverse rotation of the transfer motor 22, the gear and rack engagement structure is used to drive the carrier plate 12 to reciprocate, so that the powders in the carrier grooves 17 at both ends can be alternately desulfurized.

[0043] Preferably, the support frame 6 is internally provided with a plurality of exhaust channels 23, one end of the plurality of exhaust channels 23 is communicated with the inside of the combustion chamber 13, the other end is communicated with each other, and the plurality of exhaust channels 23 are spirally wound outside the conveying cylinder 5, so that the electrolytic manganese residue can be preheated by the heat generated by the combustion chamber 13; the upper surface of the support frame 6 is welded with a gas supply pipe 24, and the gas supply pipe 24 is communicated with the exhaust channel 23; the two gas supply pipes 24 are welded and communicated with a heat supply pipe 25, the upper end of the heat supply pipe 25 is bolted and communicated with a dust collecting fan 26, and the lower end extends and communicates to the inside of the drying box 3; wherein the hot air after preheating the powders passes through the gas supply pipe 24, the heat supply pipe 25 and the inside of the drying box 3 in sequence, and the well-grounded powders are thoroughly dried.

[0044] Preferably, the gas supply valve 27 is installed in the gas supply pipe 24, and the gas supply valve 27 is arranged between the gas supply pipe 24 and the heat supply pipe 25, wherein the gas supply valve 27 is a one-way valve structure, and its communication direction is from the gas supply pipe 24 to the heat supply pipe 25; in actual work, when the transfer motor 22 drives the carrier plate 12 to slide to one side, the hot air and flue gas generated by combustion in the inside of the combustion chamber 13 at this side is injected into the heat supply pipe 25 through the gas supply pipe 24, and the gas supply valve 27 with one-way valve structure at the other side can avoid backflow and leakage of hot air and flue gas.

[0045] Preferably, the dust collecting air box 26 comprises a fixed plate 28, a pressure plate 29 and a dust collecting cover 30, wherein the dust collecting cover 30 is fixedly connected with the fixed plate 28 and the pressure plate 29 at opposite ends, and is in a sealed structure; the pressure plate 29 is arranged above the fixed plate 28, and the fixed plate 28 is fixedly connected with the heat supply pipe 25; the dust collecting cover 30 is a flexible tile-shaped pipe structure, and a plurality of adsorption plates 31 are fixedly connected to the inner surface of the dust collecting cover 30; the material of the adsorption plate 31 comprises activated carbon and quicklime; the heat supply pipe 25 is fixedly connected with a gas suction pump 32 on the side surface, and the gas suction pump 32 is arranged between the gas supply pipe 24 and the drying box 3; one surface of the gas suction pump 32 is fixedly connected with the fixed plate 28; in combination with the foregoing structure, when the desulfurization combustion work is carried out in the combustion chamber 13, the gas suction pump 32 stops running, and the hot air and the flue gas are injected into the dust collecting air box 26 through the gas supply pipe 24 and the heat supply pipe 25 on one side, under the action of air pressure, the dust collecting cover 30 expands, and the sulfur-containing flue gas in the mixed gas is adsorbed on the surface of the adsorption plate 31, while the air and the heat are stored in the dust collecting air box 26; when the combustion work is completed, the gas suction pump 32 resumes work, and the hot air and the heat in the dust collecting air box 26 are pumped to the inside of the drying box 3, so as to carry out the drying work on the electrolytic manganese residue powder in the inside.

[0046] Preferably, a conveying frame 33 is fixedly connected between one end of the conveying cylinder 5 and the storage box 1, wherein the conveying frame 33 is in a groove pipe structure; a plurality of conveying driven shafts 34 are bearing-connected to the inner surface of the conveying frame 33, and a conveying belt 35 is arranged between the conveying driven shafts 34; a driven sprocket 36 is fixedly connected to one end of the conveying driven shaft 34, and arranged outside the conveying frame 33; a chain 37 is arranged between the driven sprocket 36 and the driving sprocket 10, and is in transmission cooperation through the chain 37; wherein the driving sprocket 10 is connected with a driving motor, and is driven by the driving motor, and simultaneously utilizes the conveying belt structure and the spiral conveying structure to convey the electrolytic manganese residue from the storage box 1 to the drying box 3 through the conveying frame 33 and the conveying cylinder 5, so as to participate in the drying work.

[0047] Preferably, a starting switch is arranged on the inner surface of the combustion chamber 13, and the starting switch is a light touch switch and is electrically connected with the gas suction pump 32; when the load plate 12 slides to one side and touches the starting switch on the side, the gas suction pump 32 stops running; the gas suction pump 32 is electrically connected with a microcontroller; and when the combustion work in the combustion chamber 13 is completed, the gas suction pump 32 is started again, and the hot air and the heat are pumped to the other side of the powder, so as to carry out the drying work;

[0048] It should be noted that the automatic work flow in the present application is mainly realized through the microcontroller, and in actual work, the operation of the equipment can also be controlled by manual operation; in addition, in the desulfurization device of the present application, the material of the load plate 12 is selected to be refractory material, which can reduce the phenomenon of generating impurities due to combustion or oxidation during the work;

[0049] Embodiment 1:

[0050] The embodiment is a practical working process and part of working principle of a desulfurization device in an electrolytic manganese residue drying process:

[0051] When starting the drying work, the external driving motor is started, and the electrolytic manganese residue is conveyed to the inside of the equipment through the conveying frame 33 of the conveying belt structure and the conveying cylinder 5 of the screw conveying structure in the storage box 1; in the screw conveying process, the electrolytic manganese residue is conveyed to the joint part of the conveying cylinder 5 and the drying box 3, and is subjected to grinding under the action of the working shaft 7 and the grinding roller 8, and becomes a powder, which is convenient for the heating to be more uniform and thorough in the drying work; the first batch of powder is not subjected to drying, and after falling into the load carrying groove 17 on one side through the load carrying box 11, the transfer motor 22 is started, and the load carrying plate 12 and the powder in the load carrying groove 17 are conveyed to the inside of the combustion chamber 13 on the same side through the gear and rack structure, and then the powder is subjected to combustion and desulfurization work through the combustion furnace frame 15, at which time the transfer motor 22 is stopped; in the combustion process, the hot air and flue gas generated in the combustion chamber 13 are introduced into the dust collecting air tank 26 through the air supply pipe 24 and the heat supply pipe 25 to be subjected to desulfurization adsorption and storage, and when the combustion is completed, the air suction pump 32 is started to suction the heat in the dust collecting air tank 26 to the drying box 3 to perform the drying work on the powder in the load carrying groove 17 on the other side; after the drying work is completed, the transfer motor 22 is started in the reverse direction to convey the powder after the drying to the inside of the combustion chamber 13 on the other side to perform the combustion and desulfurization work; and the powder after the desulfurization is taken out in the process of being conveyed out of the combustion chamber 13 by using the manual brushing method, and then the load carrying groove 17 on this side is transported to the inside of the load carrying box 11 to perform the next stage of receiving work.

[0052] Embodiment 2:

[0053] As an alternative of the present application, the air supply valve 27 inside the air supply pipe 24 can be replaced by a double-way electromagnetic valve according to the actual working requirement, but the control mode of air supply and heat supply also needs to be adjusted correspondingly, for example, when the combustion and desulfurization work is performed in the combustion chamber 13 on one side, the air supply valve 27 on this side is in the open state, and the air supply valve 27 on the other side is in the closed state.

[0054] Embodiment 3:

[0055] The adsorption plate 31 used in the present application is a special plate structure which is prefabricated and customized, the outside of which is a hollow net rack, and the inside of which comprises two layers of adsorption layer plates and one layer of desulfurization layer plate, wherein the adsorption layer plate is filled with activated carbon particles in the inside, and the desulfurization layer plate is filled with quicklime in the inside, and the desulfurization layer plate is arranged between the two layers of adsorption layer plates.

[0056] In the description of the specification, reference to "one embodiment", "an example", "a specific example" or the like means that a particular feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. The appearances of the phrases "in one embodiment", "an example", "a specific example" or the like in various places in the specification are not necessarily referring to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics can be combined in any suitable manner in one or more embodiments or examples.

[0057] The preferred embodiments of the application disclosed above are only to help explain the application. The preferred embodiments do not describe all the details of the application and limit the application to the specific embodiments described. Obviously, many modifications and variations can be made in light of the contents of the specification. The specification selects and specifically describes these embodiments in order to better explain the principles and practical application of the application, so that those skilled in the art can well understand and utilize the application. The application is limited only by the claims and their full scope and equivalents.

Claims

1. A desulfurization device in the drying process of electrolytic manganese residue, comprising a storage box (1), a workbench (2), a drying box (3) and a desulfurization box (4), characterized in that: The drying box (3) is welded with a conveying cylinder (5) on opposite sides; two desulfurization boxes (4) are arranged on opposite sides of the drying box (3), and a support frame (6) is fixed on the upper surface of the desulfurization box (4); The inside of the drying box (3) is provided with a working shaft (7), the circumferential surface of the working shaft (7) is welded with a grinding roller (8) and a conveying keel (9), the grinding roller (8) is arranged between the drying box (3) and the conveying cylinder (5), and the conveying keel (9) is arranged in the conveying cylinder (5); the opposite ends of the working shaft (7) are welded with driving sprockets (10), and the two driving sprockets (10) are arranged outside the conveying cylinders (5) on the two sides; the lower surface of the drying box (3) is welded with a loading box (11); the inside of the loading box (11) is slidably connected with a loading plate (12), and the loading plate (12) penetrates the loading box (11); the inside of the desulfurization box (4) is provided with a combustion chamber (13), and the combustion chamber (13) is communicated to the outside of the desulfurization box (4); the opposite ends of the loading plate (12) are slidably extended into the combustion chambers (13) on the two sides; the inside of the desulfurization box (4) is fixedly connected with a bracket (14) and a combustion furnace frame (15), and the combustion furnace frame (15) is arranged below the bracket (14); the lower surface of the drying box (3) is provided with a gas supply channel (16), and the combustion chamber (13) is communicated with the outside of the drying box (3) through the gas supply channel (16); the upper surface of the loading plate (12) is provided with two loading grooves (17), and the two loading grooves (17) are arranged at the opposite ends of the loading plate (12); a plurality of sieve holes (18) are formed in the inner surface of the loading groove (17), and the sieve holes (18) extend below the loading plate (12); the lower surface of the loading plate (12) is welded with a driven rack (19), the inner surface of the loading box (11) is connected with a transfer shaft (20) through a bearing, the circumferential surface of the transfer shaft (20) is welded with a transfer gear (21), and the transfer gear (21) is engaged with the driven rack (19); the outer surface of the loading box (11) is fixedly connected with a transfer motor (22), and the output shaft of the transfer motor (22) is fixedly connected with the transfer shaft (20); a plurality of exhaust channels (23) are formed in the inside of the support frame (6), one end of each exhaust channel (23) is communicated with the inside of the combustion chamber (13), and the other end is communicated with each other; the upper surface of the support frame (6) is welded with a gas supply pipe (24), and the gas supply pipe (24) is communicated with the exhaust channels (23); a heat supply pipe (25) is welded and communicated between the two gas supply pipes (24), the upper end of the heat supply pipe (25) is fixedly connected with a dust collection air tank (26), and the lower end extends into the inside of the drying box (3); a gas supply valve (27) is arranged in the gas supply pipe (24), and the gas supply valve (27) is arranged between the gas supply pipe (24) and the heat supply pipe (25); the communication direction of the gas supply valve (27) is from the gas supply pipe (24) to the heat supply pipe (25).

2. A desulphurization device in the drying process of electrolytic manganese residue according to claim 1, characterized in that, The dust collecting air bellow (26) comprises a fixed plate (28), a pressure plate (29) and a dust collecting cover (30), wherein the dust collecting cover (30) is bolted and fixed to the fixed plate (28) and the pressure plate (29) at opposite ends respectively, and is in a sealed structure; the pressure plate (29) is arranged above the fixed plate (28), and the fixed plate (28) is bolted and communicated with the heat supply pipe (25); the dust collecting cover (30) is a resilient tile-shaped pipe structure, and a plurality of adsorption plates (31) are bolted and fixed to the inner surface of the dust collecting cover (30); the material of the adsorption plate (31) comprises activated carbon and quicklime.

3. A desulphurization device in the drying process of electrolytic manganese residue according to claim 2, characterized in that, The heat supply pipe (25) is bolted and fixed with an air suction pump (32) on the peripheral side, and the air suction pump (32) is arranged between the air supply pipe (24) and the drying box (3); one surface of the air suction pump (32) is bolted and fixed to the fixed plate (28).

4. A desulphurization device in the drying process of electrolytic manganese residue according to claim 3, characterized in that, A conveying frame (33) is welded and fixed between one end of the conveying cylinder (5) and the storage box (1), wherein the conveying frame (33) is a groove pipe structure; a plurality of conveying driven shafts (34) are bearing-connected to the inner surface of the conveying frame (33), and a conveying belt (35) is arranged between the plurality of conveying driven shafts (34); a driven sprocket (36) is welded to one end of the conveying driven shaft (34), and the driven sprocket (36) is arranged outside the conveying frame (33); a chain (37) is arranged between the driven sprocket (36) and the driving sprocket (10), and is driven and matched by the chain (37).

5. A desulphurization device in the drying process of electrolytic manganese residue according to claim 4, characterized in that, The combination part of the drying box (3) and the conveying cylinder (5) is in a funnel structure, and the combination part structure of the grinding roller (8) and the drying box (3) and the conveying cylinder (5) is adapted; the conveying keel (9) is attached to the inner wall of the conveying cylinder (5); a start switch is arranged on the inner surface of the combustion chamber (13), the start switch is a light touch switch, and is electrically connected with the air suction pump (32); a microcontroller is arranged in the workbench (2), and the microcontroller controls the forward and reverse rotation of the transfer motor (22); the air suction pump (32) is electrically connected with the microcontroller.

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