A drying and tail gas waste heat recovery device for industrial salt production

Abstract

The application discloses a drying and tail gas waste heat recovery device for industrial salt production and relates to the technical field of industrial salt production.The drying and tail gas waste heat recovery device comprises a crushing device, a feeding port, a first motor, a first gear, a second gear, a third gear, a transmission belt, a drying device and a waste heat recovery device.In work, the first motor drives the third gear to rotate, the third gear drives the transmission belt to rotate, the transmission belt drives the first gear and the second gear to rotate, and the crushing device is driven to scatter the caked industrial salt.The drying device dries the industrial salt, the waste heat recovery device filters the stimulating gas and moisture in the dried tail gas, transports the tail gas into the drying device, preheats the industrial salt in the drying device, facilitates subsequent drying treatment, improves the drying efficiency, and finally transports the industrial salt back into the drying device, thereby reducing resource waste.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of industrial salt production, and particularly relates to a drying and tail gas waste heat recovery device for industrial salt production. BACKGROUND

[0002] Industrial salt is mainly composed of sodium chloride and is one of the basic chemical raw materials widely used in industrial production. The application field of industrial salt is very wide and covers many industries such as chemical industry, metallurgy and light industry. Compared with edible salt, the purification requirement of industrial salt is lower, and the industrial salt usually contains more impurities. However, the production scale of the industrial salt is larger, and the application range is more extensive. The main sources of the industrial salt include sea salt, well salt and lake salt. Due to the different mining and extraction methods, the production processes of the salts from different sources are different. The industrial salt is used for producing basic chemicals such as caustic soda, chlorine and soda ash in the chemical industry. The industrial salt is an important raw material in chemical production and has a wide demand.

[0003] The prior art has defects: when the industrial salt enters the drying device, the industrial salt contains water, and when the industrial salt is accumulated together, the industrial salt will be caked. If the industrial salt is directly introduced into the drying device, the drying efficiency is low, and the drying effect is poor. In the drying process of the industrial salt, tail gas is generated, and the tail gas contains heat and irritating gas. If the tail gas is directly discharged, environmental pollution and resource waste will be caused. SUMMARY

[0004] The purpose of the application is to provide a drying and tail gas waste heat recovery device for industrial salt production, so as to solve the problems in the prior art.

[0005] In order to achieve the above object, the present application provides the following technical scheme: the drying and tail gas waste heat recovery device includes a crushing device, a first motor, the upper side of the crushing device is connected with a feeding port, a first gear, a second gear and a third gear are sequentially installed on the side of the crushing device from top to bottom, a transmission belt is installed on the outer side of the first gear, the second gear and the third gear, the first gear, the second gear and the third gear are engaged with the transmission belt, the first motor is installed on the side of the crushing device, the third gear is installed on the output end of the first motor, a drying device is installed on the side of the crushing device, a waste heat recovery device is installed on the side of the drying device, and the first motor is connected with a control system.

[0006] The crushing device includes a shell, the first gear, the second gear, the third gear and the first motor are installed on the side of the shell, the feeding port is installed on the upper side of the shell, a crushing cavity and a conveying cavity are formed in the shell, the crushing cavity is arranged above the conveying cavity, a rotating shaft one is rotatably connected in the crushing cavity, the rotating shaft one is installed in the first gear, a crushing rake is installed on the rotating shaft one, a vibrating device is installed below the crushing rake, a linear guide rail is connected to the side of the crushing cavity, the vibrating device slides in the linear guide rail, a rotating shaft two is rotatably connected to the end of the vibrating device, the rotating shaft two is installed in the second gear, a spiral rod is rotatably connected in the conveying cavity, one end of the spiral rod is installed on the output end of the first motor, a conveying pipeline is installed on the side of the conveying cavity, and the drying device is installed on the side of the conveying pipeline.

[0007] The vibrating device comprises a first screen, one side of the first screen is connected with a first guide rod and a first stand, the first guide rod slides in a linear guide rail, one side of the first stand is rotationally connected with a first connecting rod, one side of the first connecting rod is rotationally connected with a first rotating rod, a second screen is installed below the first screen, one side of the second screen is connected with a second guide rod and a second stand, the second guide rod slides in a linear guide rail, one side of the second stand is rotationally connected with a second connecting rod, one side of the second connecting rod is rotationally connected with a second rotating rod, the first rotating rod and the second rotating rod are installed on a rotating shaft two, the first guide rod and the first stand slide in a through slot of the second screen, the length of the first rotating rod is greater than the length of the second rotating rod.When the industrial salt enters the crushing cavity, the second gear drives the rotating shaft two to rotate, the rotating shaft two drives the first rotating rod and the second rotating rod to rotate, the first rotating rod drives the first connecting rod to rotate, the first connecting rod drives the first stand to move up and down, the first stand drives the first screen to move up and down, the first screen drives the first guide rod to slide up and down in the linear guide rail, the second rotating rod drives the second connecting rod to rotate, the second connecting rod drives the second stand to move up and down, the second stand drives the second screen to move up and down, the second screen drives the second guide rod to slide up and down in the linear guide rail, because the length of the first rotating rod is greater than the length of the second rotating rod, the stroke of the first screen is longer than the stroke of the second screen, the first screen can be pressed on the second screen to crush small pieces of industrial salt, and the small pieces of industrial salt fall into the conveying cavity through the second screen.

[0008] The drying device comprises a heat insulation shell, the heat insulation shell is installed on one side of a conveying pipeline, an electric heating pipe is installed on the inner wall of the heat insulation shell, a material taking door is installed on one side of the heat insulation shell, a second motor is installed above the heat insulation shell, a rotating shaft three is installed at the output end of the second motor, a stirrer is installed at one end of the rotating shaft three, sliding rails are connected on both sides of the material inlet of the heat insulation shell, a third motor is installed above the heat insulation shell, a lead screw is installed at the output end of the third motor, a sealing plate is slidably connected on the lead screw, the sealing plate slides on the sliding rails, and the second motor, the electric heating pipe and the third motor are connected to a control system. When all the industrial salt enters the heat insulation shell, the third motor is started by manually controlling the control system, the lead screw is driven by the third motor to rotate, the lead screw drives the sealing plate to slide in the sliding rails, the sealing plate slides away from the third motor, the heat insulation shell is sealed, the electric heating pipe is controlled to heat, and the second motor is controlled to start, the rotating shaft three is driven by the second motor to rotate, the rotating shaft three drives the stirrer to rotate, and the industrial salt is uniformly heated.

[0009] The waste heat recovery device comprises a air supply pipe, an air outlet pipe, the air outlet pipe is installed on one side of the heat insulation shell, one end of the air outlet pipe is provided with a filter box, one side of the filter box is provided with a connecting pipe, one end of the connecting pipe is provided with a air blowing pipe, the air supply pipe is installed above the heat insulation shell, one end of the air supply pipe is provided with a centrifugal fan, the centrifugal fan is provided below the heat recovery pipe, the heat recovery pipe is provided below the heat pump, one end of the heat pump is provided with a air return pipe, the other end of the air return pipe is installed on one side of the shell, and the centrifugal fan is connected to the control system. When the industrial salt drying process starts, the centrifugal fan is manually controlled to rotate by the control system, the centrifugal fan transports the airflow to the heat insulation shell through the air supply pipe, the airflow contacts the heat generated by the electric heating pipe to generate hot air, the hot air contacts the industrial salt to evaporate the water in the industrial salt, and the tail gas generated during drying enters the filter box through the air outlet pipe.

[0010] The filter box comprises a box body, one end of the air outlet pipe is installed on the box body, one end of the connecting pipe is installed on the box body, the inside of the box body is provided with a first filter plate and a second filter plate, the first filter plate is provided with activated carbon, and the second filter plate is provided with a desiccant.

[0011] The diameter of the holes in the first screen is larger than that of the holes in the second screen.

[0012] Small holes are formed in the blades of the stirrer, which can reduce the stirring resistance, increase the contact area between the hot air and the industrial salt, and improve the drying efficiency.

[0013] Compared with the prior art, the beneficial effects of the present application are:

[0014] 1、The material crushing device of the present application can crush large industrial salt into small pieces, and then vibrate the small industrial salt to disperse it, facilitating subsequent drying treatment, ensuring the drying effect, and improving the drying efficiency.

[0015] 2、The drying device of the present application can stir the industrial salt during the drying process, ensuring that the industrial salt and the hot air are in full contact, avoiding that the industrial salt buried below cannot be effectively dried, and improving the drying efficiency.

[0016] 3、The waste heat recovery device of the present application can filter and transport the dry hot air to the crushing device, preheat the industrial salt when crushing the industrial salt, improve the efficiency of subsequent drying treatment, transport the hot air back to the drying device after heating by the heat pump, and reduce resource waste. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a perspective view of the drying and tail gas waste heat recovery device of the present application;

[0018] Figure 2 It is another perspective view of the drying and tail gas waste heat recovery device of the present application from another angle;

[0019] Figure 3 It is a sectional view of the crushing device of the present application;

[0020] Figure 4 It is a sectional view of the drying device of the present application; Figure 3 It is a partial enlarged view of the A area in the middle;

[0021] Figure 5 It is an internal schematic view of the crushing device of the present application;

[0022] Figure 6 It is a perspective view of the vibrating device of the present application;

[0023] Figure 7 It is a sectional view of the drying device of the present application;

[0024] Figure 8 It is an internal schematic view of the drying device of the present application;

[0025] Figure 9 It is a perspective view of the waste heat recovery device of the present application;

[0026] Figure 10 It is a sectional view of the filter box of the present application.

[0027] In the diagram: 1. Crushing device; 101. Outer casing; 102. Rotating shaft one; 103. Crushing rake; 104. Rotating shaft two; 105. Vibrating device; 1051. First screen; 1052. First guide rod; 1053. First column; 1054. First rotating rod; 1055. Second screen; 1056. Second guide rod; 1057. Second column; 1058. Second rotating rod; 106. Screw rod; 107. Transport pipe; 108. Crushing chamber; 109. Transport chamber; 110. Linear guide rail; 2. Feed port; 3. First motor; 4. Second gear; 5. First gear; 6. Transmission. 7. Belt; 8. Third gear; 9. Drying device; 10. Insulation shell; 11. Second motor; 12. Rotating shaft; 13. Stirrer; 14. Material gate; 15. Heating element; 16. Slide rail; 17. Sealing plate; 18. Third motor; 19. Lead screw; 20. Waste heat recovery device; 21. Air supply pipe; 22. Air outlet pipe; 33. Filter box; 44. Box body; 55. First filter plate; 66. Second filter plate; 77. Heat pump; 88. Heat recovery pipe; 99. Return air pipe; 10. Air blowing pipe; 11. Centrifugal fan. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Example: Figures 1-10 As shown, the present invention provides a technical solution for a drying and exhaust gas waste heat recovery device, which includes a crushing device 1 and a first motor 3. A feeding port 2 is connected to the top of the crushing device 1. A first gear 5, a second gear 4, and a third gear 7 are installed sequentially from top to bottom on one side of the crushing device 1. A transmission belt 6 is installed on the outer side of the first gear 5, the second gear 4, and the third gear 7. The first gear 5, the second gear 4, and the third gear 7 mesh with the transmission belt 6. The first motor 3 is installed on one side of the crushing device 1. The third gear 7 is installed on the output end of the first motor 3. A drying device 8 is installed on one side of the crushing device 1. A waste heat recovery device 9 is installed on one side of the drying device 8. The first motor 3 is connected to a control system.

[0030] In work, artificial industrial salt is poured from the feeding port 2 into the crushing device 1, the control system controls the first motor 3 to start, the first motor 3 drives the third gear 7 to rotate, the third gear 7 drives the transmission belt 6 to rotate, the transmission belt 6 drives the first gear 5 and the second gear 4 to rotate, the crushed industrial salt enters the drying device 8, when all the industrial salt enters the drying device 8, artificial industrial salt is poured from the feeding port 2 into the crushing device 1, at the same time, the drying device 8 dries the industrial salt, the tail gas generated in the drying process enters the waste heat recovery device 9, the waste heat recovery device 9 filters the irritating gas and moisture in the tail gas, then transports the tail gas to the drying device 8, preheats the industrial salt in the drying device 8, and finally transports back to the drying device 8.

[0031] The crushing device 1 comprises a shell 101, the first gear 5, the second gear 4, the third gear 7 and the first motor 3 are installed on one side of the shell 101, the feeding port 2 is installed above the shell 101, the inside of the shell 101 is provided with a crushing cavity 108 and a conveying cavity 109, the crushing cavity 108 is arranged above the conveying cavity 109, a rotating shaft one 102 is rotatably connected in the crushing cavity 108, the rotating shaft one 102 is installed in the first gear 5, a crushing rake 103 is installed on the rotating shaft one 102, a vibrating device 105 is installed below the crushing rake 103, a linear guide rail 110 is connected on one side of the crushing cavity 108, the vibrating device 105 slides in the linear guide rail 110, a rotating shaft two 104 is rotatably connected on one end of the vibrating device 105, the rotating shaft two 104 is installed in the second gear 4, a spiral rod 106 is rotatably connected in the conveying cavity 109, one end of the spiral rod 106 is installed on the output end of the first motor 3, a conveying pipeline 107 is installed on one side of the conveying cavity 109, and the drying device 8 is installed on one side of the conveying pipeline 107.

[0032] When the industrial salt enters the crushing cavity 108, the first gear 5 drives the rotating shaft one 102 to rotate, the rotating shaft one 102 drives the crushing rake 103 to rotate, the crushing rake 103 rotates to crush the large industrial salt into small pieces, the second gear 4 drives the rotating shaft two 104 to rotate, the rotating shaft two 104 drives the vibrating device 105 to move, the vibrating device 105 crushes the small industrial salt, and enters the conveying cavity 109, the first motor 3 drives the spiral pump to rotate, and the crushed industrial salt is transported to the conveying pipeline 107.

[0033] The vibrating device 105 comprises a first screen 1051, one side of the first screen 1051 is connected with a first guide rod 1052 and a first vertical column 1053, the first guide rod 1052 slides in the linear guide rail 110, one side of the first vertical column 1053 is rotationally connected with a first connecting rod, one side of the first connecting rod is rotationally connected with a first rotating rod 1054, the lower side of the first screen 1051 is installed with a second screen 1055, one side of the second screen 1055 is connected with a second guide rod 1056 and a second vertical column 1057, the second guide rod 1056 slides in the linear guide rail 110, one side of the second vertical column 1057 is rotationally connected with a second connecting rod, one side of the second connecting rod is rotationally connected with a second rotating rod 1058, the first rotating rod 1054 and the second rotating rod 1058 are installed on the rotating shaft two 104, the first guide rod 1052 and the first vertical column 1053 slide in the through slot of the second screen 1055, the length of the first rotating rod 1054 is greater than the length of the second rotating rod 1058, and the diameter of the hole on the first screen 1051 is greater than the diameter of the hole on the second screen 1055.

[0034] When the industrial salt enters the crushed material cavity 108, the second gear 4 drives the rotating shaft two 104 to rotate, the rotating shaft two 104 drives the first rotating rod 1054 and the second rotating rod 1058 to rotate, the first rotating rod 1054 drives the first connecting rod to rotate, the first connecting rod drives the first vertical column 1053 to move up and down, the first vertical column 1053 drives the first screen 1051 to move up and down, the first screen 1051 drives the first guide rod 1052 to slide up and down in the linear guide rail 110, the second rotating rod 1058 drives the second connecting rod to rotate, the second connecting rod drives the second vertical column 1057 to move up and down, the second vertical column 1057 drives the second screen 1055 to move up and down, the second screen 1055 drives the second guide rod 1056 to slide up and down in the linear guide rail 110, since the length of the first rotating rod 1054 is greater than the length of the second rotating rod 1058, the stroke of the first screen 1051 is longer than the stroke of the second screen 1055, the first screen 1051 can be pressed on the second screen 1055 to crush the small pieces of industrial salt, and the small pieces of industrial salt fall into the conveying cavity 109 through the second screen 1055.

[0035] The drying device 8 comprises a heat insulation shell 801 installed on one side of the conveying pipe 107, an electric heating pipe 806 installed on the inner wall of the heat insulation shell 801, a material taking door 805 installed on one side of the heat insulation shell 801, a second motor 802 installed above the heat insulation shell 801, a rotating shaft three 803 installed at the output end of the second motor 802, a stirrer 804 installed at one end of the rotating shaft three 803, small holes are formed in the blades of the stirrer 804, which can reduce the stirring resistance, increase the contact area of hot air and industrial salt, and improve the drying efficiency, sliding rails 807 are connected to the two sides of the material inlet of the heat insulation shell 801, a third motor 809 is installed above the heat insulation shell 801, a lead screw 810 is installed at the output end of the third motor 809, and a sealing plate 808 is slidably connected to the lead screw 810. The sealing plate 808 slides on the sliding rail 807, and the second motor 802, the electric heating pipe 806 and the third motor 809 are connected to the control system.

[0036] When all the industrial salt enters the heat insulation shell 801, the third motor 809 is started by manually controlling the control system, the third motor 809 drives the lead screw 810 to rotate, the lead screw 810 drives the sealing plate 808 to slide in the sliding rail 807, the sealing plate 808 slides away from the third motor 809, seals the heat insulation shell 801, controls the electric heating pipe 806 to heat, and at the same time, the second motor 802 is started, the second motor 802 drives the rotating shaft three 803 to rotate, the rotating shaft three 803 drives the stirrer 804 to rotate, so that the industrial salt is uniformly heated.

[0037] The waste heat recovery device 9 comprises a air supply pipe 901, an air outlet pipe 902, the air outlet pipe 902 is installed on one side of the heat insulation shell 801, a filter box 903 is installed at one end of the air outlet pipe 902, a connecting pipe 904 is installed on one side of the filter box 903, a blowing pipe 908 is installed at one end of the connecting pipe 904, the air supply pipe 901 is installed above the heat insulation shell 801, a centrifugal fan 909 is installed at one end of the air supply pipe 901, a heat recovery pipe 906 is installed below the centrifugal fan 909, a heat pump 905 is installed below the heat recovery pipe 906, a return air pipe 907 is installed at one end of the heat pump 905, the other end of the return air pipe 907 is installed on one side of the shell 101, and the centrifugal fan 909 is connected to the control system.

[0038] When starting the industrial salt drying process, the manual control system controls the rotation of the centrifugal fan 909, which transports air flow through the air supply pipe 901 into the heat insulation shell 801, and the air flow contacts the heat generated by the electric heating pipe 806 to generate hot air, which contacts the industrial salt to evaporate the water in the industrial salt. The tail gas generated during drying enters the filter box 903 through the air outlet pipe 902, and the filter box 903 filters the irritating gas and moisture in the tail gas, and then transports it to the air blowing pipe 908 through the connecting pipe 904, and the air blowing pipe 908 transports the tail gas to the crushing device 1. The tail gas can blow the industrial salt remaining around the crushing cavity 108 into the vibrating device 105, and at the same time, the industrial salt is preheated, and the tail gas enters the heat pump 905 through the return air pipe 907. The heat pump 905 raises the low-temperature tail gas to a higher temperature, and the high-temperature tail gas enters the heat recovery pipe 906 and is transported to the heat insulation shell 801 by the centrifugal fan 909, forming a cycle.

[0039] The filter box 903 comprises a box body 9031, one end of the air outlet pipe 902 is installed on the box body 9031, and one end of the connecting pipe 904 is installed on the box body 9031. The box body 9031 is internally provided with a first filter plate 9032 and a second filter plate 9033. The first filter plate 9032 is provided with activated carbon, and the second filter plate 9033 is provided with a desiccant. When the tail gas enters the box body 9031, the first filter plate 9032 absorbs the irritating gas, and the second filter plate 9033 absorbs the water vapor, and then is discharged into the connecting pipe 904.

[0040] The working principle of the present application is as follows:

[0041] In operation, the industrial salt is poured into the crushing cavity 108 from the feeding port 2, and the manual control system controls the first motor 3 to start, and the first motor 3 drives the third gear 7 to rotate, and the third gear 7 drives the transmission belt 6 to rotate, and the transmission belt 6 drives the first gear 5 and the second gear 4 to rotate, and the first gear 5 drives the first shaft 102 to rotate, and the first shaft 102 drives the crushing rake 103 to rotate, and the crushing rake 103 rotates to crush the large industrial salt into small pieces and falls on the first screen 1051.

[0042] When the industrial salt falls on the first screen 1051, the second gear 4 drives the rotating shaft two 104 to rotate, the rotating shaft two 104 drives the first rotating rod 1054 and the second rotating rod 1058 to rotate, the first rotating rod 1054 drives the first connecting rod to rotate, the first connecting rod drives the first vertical column 1053 to move up and down, the first vertical column 1053 drives the first screen 1051 to move up and down, the first screen 1051 drives the first guide rod 1052 to slide up and down in the linear guide rail 110, the second rotating rod 1058 drives the second connecting rod to rotate, the second connecting rod drives the second vertical column 1057 to move up and down, the second vertical column 1057 drives the second screen 1055 to move up and down, the second screen 1055 drives the second guide rod 1056 to slide up and down in the linear guide rail 110, since the length of the first rotating rod 1054 is greater than the length of the second rotating rod 1058, the stroke of the first screen 1051 is longer than the stroke of the second screen 1055, the first screen 1051 can be pressed on the second screen 1055 to crush the small block of industrial salt with a size greater than the diameter of the hole on the second screen 1055, and fall into the transportation cavity 109 through the second screen 1055, the first motor 3 drives the spiral pump to rotate, and the crushed industrial salt is transported to the transportation pipeline 107, and then enters the heat insulation shell 801 through the transportation pipeline 107,

[0043] When all the industrial salt enters the heat insulation shell 801, the artificial control system controls the third motor 809 to start, the third motor 809 drives the lead screw 810 to rotate, the lead screw 810 drives the sealing plate 808 to slide in the sliding rail 807, the sealing plate 808 slides away from the third motor 809, and the heat insulation shell 801 is sealed, the artificial pours the industrial salt from the feeding port 2 into the crushing cavity 108, and then seals the feeding port 2, the artificial control system controls the electric heating pipe 806 to heat, and controls the centrifugal fan 909 to rotate, the centrifugal fan 909 transports the airflow to the heat insulation shell 801 through the air supply pipe 901, the airflow contacts the heat generated by the electric heating pipe 806 to generate hot air, the hot air contacts the industrial salt to evaporate the moisture in the industrial salt, and at the same time, the second motor 802 is controlled to start, the second motor 802 drives the rotating shaft three 803 to rotate, the rotating shaft three 803 drives the stirrer 804 to rotate, so that the industrial salt is uniformly heated.

[0044] The tail gas generated during drying enters the filter box 903 through the air outlet pipe 902, the first filter plate 9032 in the box body 9031 absorbs irritating gas, and the second filter plate 9033 absorbs water vapor, after the filter box 903 filters the irritating gas and moisture in the tail gas, the tail gas is transported to the blowing pipe 908 through the connecting pipe 904, the blowing pipe 908 transports the tail gas to the crushing device 1, the tail gas can blow the industrial salt remaining around the crushing cavity 108 into the vibrating device 105, and at the same time, the industrial salt is preheated, the tail gas enters the heat pump 905 through the return air pipe 907, the heat pump 905 raises the low-temperature tail gas to a higher temperature, enters the heat recovery pipe 906, and is transported to the heat insulation shell 801 by the centrifugal fan 909, forming a cycle.

[0045] When the industrial salt drying is completed, the centrifugal fan 909, the electric heating pipe 806 and the second motor 802 are stopped by manually controlling the control system, the material taking door 805 is opened, the dried industrial salt is taken out, then the material taking door 805 is closed, the third motor 809 is started by controlling the control system, the third motor 809 drives the lead screw 810 to rotate, the lead screw 810 drives the sealing plate 808 to slide in the slide rail 807, the sealing plate 808 slides to the direction close to the third motor 809, the industrial salt in the conveying pipe 107 is transported to the heat insulation shell 801 for drying treatment.

[0046] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of the equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A drying and tail gas waste heat recovery device for industrial salt production, characterized in that: Including the broken material device (1), first motor (3), the upper side of broken material device (1) is connected with the feeding port (2), the upper side of broken material device (1) is installed with first gear (5), second gear (4) and third gear (7) from top to bottom, the outer side of first gear (5), second gear (4) and third gear (7) is installed with transmission belt (6), first gear (5), second gear (4) and third gear (7) are engaged with transmission belt (6), first motor (3) is installed in the upper side of broken material device (1), third gear (7) is installed on the output end of first motor (3), the upper side of broken material device (1) is installed with drying device (8), the upper side of drying device (8) is installed with waste heat recovery device (9), first motor (3) is connected with control system; The broken material device (1) includes a shell (101), the first gear (5), the second gear (4), the third gear (7) and the first motor (3) are installed on one side of the shell (101), the feeding port (2) is installed above the shell (101), a broken material cavity (108) and a conveying cavity (109) are formed in the shell (101), the broken material cavity (108) is arranged above the conveying cavity (109), a rotating shaft (102) is rotatably connected in the broken material cavity (108), the rotating shaft (102) is installed in the first gear (5), a broken material rake (103) is installed on the rotating shaft (102), a vibrating device (105) is installed below the broken material rake (103), a linear guide rail (110) is connected to one side of the broken material cavity (108), the vibrating device (105) slides in the linear guide rail (110), a rotating shaft (104) is rotatably connected to one end of the vibrating device (105), the rotating shaft (104) is installed in the second gear (4), a spiral rod (106) is rotatably connected in the conveying cavity (109), one end of the spiral rod (106) is installed on the output end of the first motor (3), a conveying pipeline (107) is installed on one side of the conveying cavity (109), the drying device (8) is installed on one side of the conveying pipeline (107); The vibrating device (105) includes a first screen (1051), one side of the first screen (1051) is connected with a first guide rod (1052) and a first stand (1053), the first guide rod (1052) slides in a linear guide rail (110), one side of the first stand (1053) is rotationally connected with a first connecting rod, one side of the first connecting rod is rotationally connected with a first rotating rod (1054), the lower side of the first screen (1051) is installed with a second screen (1055), one side of the second screen (1055) is connected with a second guide rod (1056) and a second stand (1057), the second guide rod (1056) slides in the linear guide rail (110), one side of the second stand (1057) is rotationally connected with a second connecting rod, one side of the second connecting rod is rotationally connected with a second rotating rod (1058), the first rotating rod (1054) and the second rotating rod (1058) are installed on a rotating shaft two (104), the first guide rod (1052) and the first stand (1053) slide in the through slot of the second screen (1055), the length of the first rotating rod (1054) is greater than the length of the second rotating rod (1058).

2. The drying and tail gas waste heat recovery device for industrial salt production according to claim 1, characterized in that: The drying device (8) includes a heat insulation shell (801), the heat insulation shell (801) is installed on one side of the conveying pipeline (107), the inner wall of the heat insulation shell (801) is installed with an electric heating pipe (806), one side of the heat insulation shell (801) is installed with a material taking door (805), the upper side of the heat insulation shell (801) is installed with a second motor (802), the output end of the second motor (802) is installed with a rotating shaft three (803), one end of the rotating shaft three (803) is installed with a stirrer (804), the two sides of the feeding port of the heat insulation shell (801) are connected with sliding rails (807), the upper side of the heat insulation shell (801) is installed with a third motor (809), the output end of the third motor (809) is installed with a lead screw (810), the lead screw (810) is slidably connected with a sealing plate (808), the sealing plate (808) slides on the sliding rail (807), the second motor (802), the electric heating pipe (806) and the third motor (809) are connected with a control system.

3. The drying and tail gas waste heat recovery device for industrial salt production according to claim 2, characterized in that: The waste heat recovery device (9) includes a air supply pipe (901), an air outlet pipe (902), one end of the air outlet pipe (902) is installed with a filter box (903), one side of the filter box (903) is installed with a connecting pipe (904), one end of the connecting pipe (904) is installed with a air blowing pipe (908), the air supply pipe (901) is installed above the heat insulation shell (801), one end of the air supply pipe (901) is installed with a centrifugal fan (909), the centrifugal fan (909) is installed below a heat recovery pipe (906), the heat recovery pipe (906) is installed below a heat pump (905), one end of the heat pump (905) is installed with a air return pipe (907), the other end of the air return pipe (907) is installed on one side of the shell (101), and the centrifugal fan (909) is connected to a control system.

4. The drying and tail gas waste heat recovery device for industrial salt production according to claim 3, characterized in that: The filter box (903) includes a box body (9031), one end of the air outlet pipe (902) is installed on the box body (9031), one end of the connecting pipe (904) is installed on the box body (9031), the inside of the box body (9031) is installed with a first filter plate (9032) and a second filter plate (9033), the first filter plate (9032) is provided with activated carbon, and the second filter plate (9033) is provided with a desiccant.

5. The drying and tail gas waste heat recovery device for industrial salt production according to claim 4, characterized in that: The diameter of the holes on the first screen (1051) is larger than the diameter of the holes on the second screen (1055).

6. The drying and tail gas waste heat recovery device for industrial salt production according to claim 5, characterized in that: Small holes are formed on the blades of the stirrer (804).

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