A high-efficiency rotary drying device for desulfurized gypsum

Abstract

The application discloses a kind of desulfurization gypsum rotary high-efficiency drying treatment device, it is related to desulfurization gypsum technical field, including bottom plate, the bottom plate is detachably connected with cover plate, the cover plate is communicated with drying assembly, the bottom plate is rotatably connected with tray, the tray generates vibration action between drying assembly and bottom plate, the inside of the tray is rotatably connected with scraper, the cover plate is equipped with feeding roller, the feeding roller and scraper are connected, realize the gypsum turnover action of tray rotation process, the outside of the tray is rotatably connected with sieve plate, the sieve plate is rotated by trigger component and tray, it is convenient for desulfurization gypsum after drying to carry out discharging work.The desulfurization gypsum drying treatment device of the application can be operated without parking equipment during equipment drying treatment, realize the continuous uniform, sufficient drying treatment work, and after desulfurization gypsum drying, automatic screening and discharging, improve the processing effect of desulfurization gypsum.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of desulfurization gypsum, and particularly relates to a rotary efficient drying treatment device for desulfurization gypsum. BACKGROUND

[0002] Desulfurization gypsum is also called flue gas desulfurization gypsum, sulfur gypsum or FGD gypsum, and is mainly composed of CaSO4·2H2O, which is the same as natural gypsum, and the content is greater than or equal to 93%. When the desulfurization gypsum is recycled, dehydration treatment is needed to make the water content in the desulfurization gypsum less than 10%, and then the treated desulfurization gypsum is stored in a warehouse for later use. The processing and utilization of desulfurization gypsum is of great significance, which not only promotes the further development of national environmental protection and circular economy, but also greatly reduces the mining of natural gypsum and protects resources.

[0003] In the prior art, although the desulfurization gypsum drying treatment device can realize dehydration treatment of the desulfurization gypsum, the equipment needs to be stopped for operation during the feeding and discharging of the desulfurization gypsum during drying treatment, and the dehydration of the desulfurization gypsum is not uniform and complete. In addition, the crushing degree of the desulfurization gypsum cannot be controlled according to the use requirement, and it is difficult to meet the processing requirement of the desulfurization gypsum.

[0004] Therefore, the present application provides a rotary efficient drying treatment device for desulfurization gypsum to solve the above problems. SUMMARY

[0005] The present application relates to the technical field of desulfurization gypsum, and particularly relates to a rotary efficient drying treatment device for desulfurization gypsum.

[0006] In order to achieve the above object, the present application adopts the following technical scheme:

[0007] A rotary efficient drying treatment device for desulfurization gypsum, comprising a bottom plate, wherein the bottom plate is detachably connected with a cover plate, the cover plate is communicated with a drying assembly, the bottom plate is rotationally connected with a tray, the tray is vibrated by the drying assembly and the bottom plate, the inner side of the tray is rotationally connected with a scraper, the cover plate is provided with an inlet roller, the inlet roller and the scraper are connected in cooperation, the gypsum is turned over during the rotation of the tray, the outer side of the tray is rotationally connected with a sieve plate, and the sieve plate is rotated by a triggering assembly and the tray, so as to facilitate the discharging of the dried desulfurization gypsum.

[0008] Optionally, the cover plate is provided with an inlet pipe, the inlet roller and the inlet pipe are rotationally fed by a screw, and the bottom plate is provided with an outlet pipe to screen and discharge the dried desulfurization gypsum.

[0009] Optionally, the drying assembly comprises an air inlet pipe, an air outlet pipe, a hot air machine and a dehumidifier, the pipe openings of the air inlet pipe and the air outlet pipe are symmetrically arranged on both sides of the cover plate close to the tray, and the air inlet pipe and the air outlet pipe are communicated through the hot air machine and the dehumidifier.

[0010] Optionally, one end of the tray close to the air inlet pipe is provided with a baffle, and baffles are intermittently arranged adjacent to the baffle, so as to realize intermittent airflow blocking action of the drying hot air flow,

[0011] The tray is provided with a wing plate, the wing plate is movably connected to the bottom plate through a spring set, so that the tray realizes continuous vibration action under the push of the intermittent airflow.

[0012] Optionally, the tray is provided with a main shaft, the bottom end of the main shaft is slidably connected with a transmission shaft through a first spring, so as to avoid the influence of the tray vibration process on the driving action of the transmission shaft,

[0013] The scraper is fixedly connected with a shaft sleeve, the bottom of the shaft sleeve is rotatably connected with the main shaft, and the top of the shaft sleeve is slidably connected with the roller shaft of the feeding roller through a second spring, so as to keep the direct contact between the scraper and the bottom of the tray and improve the turnover effect in the tray,

[0014] The main shaft and the roller shaft are both provided with splines, one end of the main shaft and the shaft sleeve away from each other is provided with a key groove, the splines and the key groove are slidably connected, so that the tray realizes rotation and sliding between the transmission shaft under the action of the main shaft and the transmission shaft, and the scraper realizes limiting and sliding between the roller shaft under the action of the shaft sleeve and the roller shaft.

[0015] Optionally, the tray is provided with a sliding groove, the top of the sieve plate is provided with a pull ring, and the pull ring is slidably connected with the sliding groove through a third spring,

[0016] The tray and the sieve plate are both provided with sieve holes, and the sieve holes are correspondingly arranged adjacent to each other, so as to realize the communication of the sieve material by the deflection of the sieve plate driven by the triggering assembly.

[0017] Optionally, the triggering assembly comprises an electromagnet, an iron block and a trigger piece, the electromagnet is arranged at one end of the tray close to the sliding groove, and the iron block is arranged at one end of the pull ring close to the electromagnet,

[0018] The trigger piece comprises a tension spring, a piston plate and a conductive block, the tray is provided with a hydraulic cavity, the conductive block is symmetrically arranged at one end of the hydraulic cavity, and the piston plate is slidably connected at the other end of the hydraulic cavity through the tension spring,

[0019] The side close to the tension spring of the hydraulic cavity is filled with petroleum ether liquid, which evaporates into gas under the working environment of 60°,

[0020] The petroleum ether liquid inside the piston cavity increases the air pressure inside the piston cavity during continuous evaporation in the drying environment (60 DEG C temperature) of the device, pushes the piston plate to move to the end of the conductive block, until the piston plate and the conductive block are in contact, the electromagnetic iron power is connected, the iron block is magnetically attracted, the deflection of the screen plate is realized, and then the dried desulfurized gypsum is screened and discharged.

[0021] The present application has the following advantages:

[0022] The desulfurized gypsum drying treatment device can realize continuous, uniform and sufficient drying treatment without stopping the equipment during the drying treatment, and automatically screen and discharge the desulfurized gypsum after drying, thereby improving the treatment effect of the desulfurized gypsum.

[0023] The present application has the following advantages:

[0024] The present application has the following advantages: BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 The present application has the following advantages:

[0026] Figure 2 The present application has the following advantages:

[0027] Figure 3 The present application has the following advantages:

[0028] Figure 4 The present application has the following advantages:

[0029] Figure 5 The present application has the following advantages:

[0030] In the figure: 1, the bottom plate; 11, the discharge pipe; 2, the cover plate; 21, the feeding pipe; 3, the drying assembly; 31, the air inlet pipe; 32, the exhaust pipe; 33, the hot air blower; 34, the dehumidifier; 4, the tray; 41, the baffle; 42, the wing plate; 43, the spring set; 44, the main shaft; 45, the first spring; 46, the transmission shaft; 47, the chute; 48, the hydraulic cavity; 5, the scraper; 51, the shaft sleeve; 52, the second spring; 53, the keyway; 6, the feeding roller; 61, the roller shaft; 62, the spline; 7, the sieve plate; 71, the pull ring; 72, the third spring; 73, the sieve hole; 8, the trigger assembly; 81, the electromagnet; 82, the iron block; 83, the trigger; 831, the tension spring; 832, the piston plate; 833, the conductive block. DETAILED DESCRIPTION

[0031] 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 some of the embodiments of the present application, not all the embodiments.

[0032] Referring to Figures 1-5 A kind of desulfurized gypsum rotary high-efficiency drying treatment device, including bottom plate 1, bottom plate 1 is detachably connected with cover plate 2, it needs to be explained that cover plate 2 is equipped with feeding roller 6, feeding roller 6 is carried out screw type rotation feeding by feeding pipe 21, bottom plate 1 is equipped with discharge pipe 11, and desulfurized gypsum after drying is screened and discharged.

[0033] Referring to Figure 1 Cover plate 2 is communicated with drying assembly 3, it needs to be noted that drying assembly 3 includes air inlet pipe 31, exhaust pipe 32, hot air blower 33 and dehumidifier 34, the pipe orifice of air inlet pipe 31 and exhaust pipe 32 is symmetrically arranged at the two sides of cover plate 2 close to tray 4, air inlet pipe 31 and exhaust pipe 32 are communicated with by hot air blower 33 and dehumidifier 34, air inlet pipe 31 is used to pass into hot gas to carry out high-temperature drying to internal desulfurized gypsum, exhaust pipe 32 is used to exhaust and carry out dehumidification filtering to the moisture in the interior of device, improves the drying efficiency of device.

[0034] Referring to Figure 2 Bottom plate 1 is rotatably connected with tray 4, tray 4 generates vibration action between drying assembly 3 and bottom plate 1, it needs to be explained that the end of tray 4 close to air inlet pipe 31 is equipped with baffle 41, adjacent baffle 41 is intermittently arranged, realizes intermittent airflow blocking action to drying hot air flow, tray 4 is equipped with wing plate 42, wing plate 42 is movably connected up and down by spring set 43 and bottom plate 1, so that tray 4 realizes continuous vibration action under the impetus of intermittent airflow, wherein wing plate 42 is equipped with bearing, spring set 43 is rotatably connected with wing plate 42 by bearing, so that tray 4 can vibrate during rotation.

[0035] Referring toFigure 3 The inner side of the tray 4 is rotationally connected with a scraper 5, the cover plate 2 is provided with a feeding roller 6, the feeding roller 6 and the scraper 5 are matched and connected, the gypsum turning action of the tray 4 in the rotation process is realized, and it should be noted that the tray 4 is provided with a main shaft 44, the bottom end of the main shaft 44 is slidably connected with a transmission shaft 46 through a first spring 45, the transmission shaft 46 is driven by a motor, and the first spring 45 can avoid the influence of the vibration process of the tray 4 on the driving action of the transmission shaft 46, the scraper 5 is fixedly connected with a shaft sleeve 51, the bottom of the shaft sleeve 51 is rotationally connected with the main shaft 44, and the top of the shaft sleeve 51 is slidably connected with the roller shaft 61 of the feeding roller 6 through a second spring 52, so that the scraper 5 and the bottom of the tray 4 are directly contacted, and the turning effect in the tray 4 is improved.

[0036] Further, the main shaft 44 and the roller shaft 61 are both provided with splines 62, and the ends of the main shaft 44 and the shaft sleeve 51 away from each other are both provided with key grooves 53, the splines 62 and the key grooves 53 are slidably connected, so that the tray 4 is rotated under the action of the main shaft 44 and the transmission shaft 46 and slides between the transmission shaft 46, the scraper 5 is limited under the action of the shaft sleeve 51 and the roller shaft 61 and slides between the roller shaft 61, so that the turning effect of the scraper 5 and the bottom of the tray 4 is maintained.

[0037] Referring to Figure 4 The outer side of the tray 4 is rotationally connected with a sieve plate 7, the sieve plate 7 is rotated by the trigger assembly 8 and the tray 4, so as to facilitate the discharging work of the dried desulfurized gypsum. It is worth mentioning that the tray 4 is provided with a sliding groove 47, the top of the sieve plate 7 is provided with a pull ring 71, the pull ring 71 is slidably connected with the sliding groove 47 through a third spring 72, wherein the tray 4 and the sieve plate 7 are both provided with sieve holes 73, which are correspondingly arranged between adjacent sieve holes 73, and the sieve plate 7 is deflected by the trigger assembly 8 to communicate the sieve material.

[0038] Specifically, referring to Figure 5The triggering component 8 comprises an electromagnet 81, an iron block 82 and a triggering piece 83, the electromagnet 81 is arranged at one end of the tray 4 close to the chute 47, the iron block 82 is arranged at one end of the pull ring 71 close to the electromagnet 81, wherein the triggering piece 83 comprises a tension spring 831, a piston plate 832 and a conductive block 833, the tray 4 is provided with a hydraulic cavity 48, the conductive block 833 is symmetrically arranged at one end of the hydraulic cavity 48, the piston plate 832 is slidably connected to the other end of the hydraulic cavity 48 through the tension spring 831, the side of the hydraulic cavity 48 close to the tension spring 831 is filled with petroleum ether liquid, and the petroleum ether liquid evaporates into gas under the 60 DEG working environment; when the petroleum ether liquid in the piston cavity continuously evaporates under the continuous drying environment (60 DEG temperature) of the device, the gas pressure in the piston cavity increases, the piston plate 832 moves towards one end of the conductive block 833, until the piston plate 832 and the conductive block 833 are in contact, the electromagnet 81 is electrified, the iron block 82 is magnetically attracted, the deflection action of the sieve plate 7 is realized, and then the dried desulfurized gypsum is screened and discharged.

[0039] The operation principle of the present application will be described as follows:

[0040] When the device is used, the staff controls the feeding roller to pass in the wet base desulfurized gypsum to be dried in a certain amount, starts the motor, and the motor drives the tray 4 to rotate through the spline 62 between the transmission shaft 46 and the main shaft 44. At this time, the air heater 33 starts to pass in hot air to dry, and the intermittent blocking of the baffle 41 pushes the tray 4 to continuously vibrate when the hot air enters the inside of the device. At this time, the bottom of the tray 4 is movable through the first spring 45 and the transmission shaft 46, and the top of the tray 4 is limited to realize the turning action of the scraper 5 through the roller shaft of the feeding roller.

[0041] When the desulfurized gypsum material just enters the device, the temperature of this period is strictly controlled, generally about 35 DEG C. Because the material has a large water content and strong viscosity, after continuous drying for 2 to 3 hours, the temperature gradually rises to 40 DEG C; when the water content on the surface of the material evaporates, the device will enter the constant-speed drying period, and the temperature gradually rises to about 50 DEG C with the change of time; next, the desulfurized gypsum enters the material drying stage, and the temperature of this period gradually rises to 55 to 60 DEG C. At this time, the water content of the gypsum material is very small, and this stage needs about 2 hours; finally, one hour before the end of drying, the temperature requirement is 60 to 65 DEG C to ensure that the color of the material does not change. At this time, attention should be paid to the fact that the temperature rise and fall of the drying machine cannot be too fast, so as to avoid affecting the drying quality. The control of the temperature should be below 65 DEG C to ensure that the material is not burned.

[0042] When the working environment inside the device reaches 60° working environment, the liquid of petroleum ether inside the piston cavity evaporates continuously under the drying environment (60° temperature) of the device, the gas pressure inside the piston cavity increases, the piston plate 832 moves to the end of the conductive block 833, until the piston plate 832 and the conductive block 833 are in contact, the electromagnetic iron 81 is powered on, the iron block 82 is magnetically attracted, the deflection action of the sieve plate 7 is realized, and then the dried desulfurized gypsum is screened and discharged, and the vibration action of the tray 4 is matched, the screening and discharging efficiency of the desulfurized gypsum in the drying state is improved, and after the discharging process of the desulfurized gypsum is completed, the secondary quantitative feeding is carried out through the feeding roller 6, and the continuous drying treatment work is realized.

[0043] The above is only a preferred specific embodiment of the present application, and all embodiments cannot be exhausted here, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A rotating high-efficiency drying treatment device for desulfurized gypsum, comprising a bottom plate (1), characterized in that, The bottom plate (1) is detachably connected with a cover plate (2), the cover plate (2) is communicated with a drying assembly (3), the bottom plate (1) is rotatably connected with a tray (4), the tray (4) is vibrated by the drying assembly (3) and the bottom plate (1), the inner side of the tray (4) is rotatably connected with a scraper (5), the cover plate (2) is provided with a feeding roller (6), the feeding roller (6) and the scraper (5) are connected, the gypsum is turned over during the rotation of the tray (4), the outer side of the tray (4) is rotatably connected with a sieve plate (7), the sieve plate (7) is rotatable through a trigger assembly (8) and the tray (4), so that the desulfurized gypsum after drying is discharged; The tray (4) is provided with a sliding groove (47), the top of the sieve plate (7) is provided with a pull ring (71), the pull ring (71) is slidably connected with the sliding groove (47) through a third spring (72), the tray (4) and the sieve plate (7) are both provided with sieve holes (73), the adjacent sieve holes (73) are correspondingly arranged, and the sieve plate (7) is deflected to communicate the sieve material through the trigger assembly (8); The trigger assembly (8) comprises an electromagnet (81), an iron block (82) and a trigger piece (83), the electromagnet (81) is arranged at one end of the tray (4) close to the sliding groove (47), the iron block (82) is arranged at one end of the pull ring (71) close to the electromagnet (81), the trigger piece (83) comprises a tension spring (831), a piston plate (832) and a conductive block (833), the tray (4) is provided with a hydraulic cavity (48), the conductive block (833) is symmetrically arranged at one end of the hydraulic cavity (48), the piston plate (832) is slidably connected at the other end of the hydraulic cavity (48) through the tension spring (831), and the side of the hydraulic cavity (48) close to the tension spring (831) is filled with petroleum ether liquid, which is evaporated into gas under a 60° working environment; The petroleum ether liquid in the hydraulic cavity (48) is continuously evaporated under the conditions that the device continuously dries and the environmental temperature is 60°, the gas pressure in the hydraulic cavity (48) is increased, the piston plate (832) is moved to the end of the conductive block (833), until the piston plate (832) and the conductive block (833) are in contact, the electromagnet (81) is connected, the iron block (82) is magnetically attracted, the deflection of the sieve plate (7) is realized, and the desulfurized gypsum after drying is screened and discharged.

2. The high-efficiency rotary drying device for desulfurized gypsum according to claim 1, characterized in that, The cover plate (2) is provided with a feeding pipe (21), the feeding roller (6) and the feeding pipe (21) are screw-rotated to feed, the bottom plate (1) is provided with a discharge pipe (11), and the desulfurized gypsum after drying is screened and discharged.

3. The high-efficiency rotary drying device for desulfurized gypsum according to claim 1, characterized in that, The drying assembly (3) comprises an air inlet pipe (31), an air outlet pipe (32), a hot air machine (33) and a dehumidifier (34), the pipe openings of the air inlet pipe (31) and the air outlet pipe (32) are symmetrically arranged on the two sides of the cover plate (2) close to the tray (4), and the air inlet pipe (31) and the air outlet pipe (32) are communicated through the hot air machine (33) and the dehumidifier (34).

4. The rotating high-efficiency drying treatment device for desulfurized gypsum according to claim 3, characterized in that, The tray (4) is provided with a baffle (41) near one end of the air inlet pipe (31), and the adjacent baffle (41) is intermittently arranged, which realizes intermittent airflow blocking action for the drying hot air flow. The tray (4) is provided with a wing plate (42), which is movably connected to the bottom plate (1) by a spring group (43), so that the tray (4) realizes continuous vibration under the push of intermittent airflow.

5. The rotating high-efficiency drying treatment device for desulfurized gypsum according to claim 1, characterized in that, The tray (4) is provided with a main shaft (44), and the bottom end of the main shaft (44) is slidably connected with a transmission shaft (46) through a first spring (45), so as to avoid the influence of the vibration process of the tray (4) on the driving action of the transmission shaft (46), The scraper (5) is fixedly connected with a shaft sleeve (51), the bottom of the shaft sleeve (51) is rotatably connected with the main shaft (44), and the top of the shaft sleeve (51) is slidably connected with the roller shaft (61) of the feeding roller (6) through a second spring (52), so as to keep the direct contact between the scraper (5) and the bottom of the tray (4) and improve the turnover effect in the tray (4), The main shaft (44) and the roller shaft (61) are both provided with splines (62), and the ends of the main shaft (44) and the shaft sleeve (51) away from each other are both provided with key grooves (53), the splines (62) and the key grooves (53) are slidably connected, so that the tray (4) realizes rotation under the action of the main shaft (44) and the transmission shaft (46) and slides between the main shaft (44) and the transmission shaft (46), and the scraper (5) realizes limiting of the scraper (5) under the action of the shaft sleeve (51) and the roller shaft (61) and slides between the shaft sleeve (51) and the roller shaft (61).

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