Continuous desulfurization and recovery system for waste rubber

Abstract

The utility model discloses a continuous desulfurization and recovery system for waste rubber, which is applied to the field of rubber recovery and desulfurization and comprises a shell, a feed port is arranged on the shell, a desulfurization mechanism is arranged in the shell, a discharge port with a control valve is arranged at the bottom of the shell, a collection box is arranged on the discharge port, and a discharge port with a control valve is arranged on the collection box. A heat recovery mechanism with a cooling function is arranged on the collecting box, and by arranging the shell, the feeding port, the desulfurization mechanism, the discharging port, the collecting box and the heat recovery mechanism, during use, rubber powder and an active agent are firstly added into the shell through the feeding port, then the rubber powder is subjected to stirring desulfurization treatment through the desulfurization mechanism, and the rubber powder is discharged through the discharging port. The desulfurized rubber powder is discharged into the collecting box through the discharging port and then exchanges heat with the rubber powder through the heat recovery mechanism, heat obtained after heat exchange is guided into the feeding port again, the rubber powder to be added into the shell is preheated, and then the overall heat efficiency of the system is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of rubber recovery and desulfurization, and particularly relates to a waste rubber continuous desulfurization and recovery system. Background Art

[0002] With the acceleration of the global industrialization process and the rapid development of the automobile industry, the production and consumption of rubber products have continued to rise, resulting in a sharp increase in the amount of waste rubber. The treatment of waste rubber has become an important issue in environmental protection and resource recycling. In the recycling of waste rubber, desulfurization is a key step. Since vulcanizing agents are added to rubber during processing and use, cross-linking structures are formed between rubber molecules, thus having excellent elasticity and wear resistance. However, this cross-linking structure also makes it difficult for waste rubber to be degraded and reused. Waste rubber can be desulfurized by high-temperature treatment.

[0003] The Chinese utility model patent currently announced as: CN212930593U discloses a cooling and discharging device for recycling and desulfurization of waste tire rubber, which is provided with a base plate, a mounting seat is fixed on one side of the upper end of the base plate, a barrel is installed on one side of the mounting seat, a feed port is installed on the barrel, a heating barrel is installed on the side of the barrel located at the feed port, a support frame is installed on the base plate near the heating barrel, and the heating barrel is fixed on the support frame, a cooling box is installed on the side of the barrel away from the mounting seat, a die head is installed on the end of the barrel located in the cooling box, and a bracket is installed on the cooling box. The support net is driven to vibrate by a vibration motor, so that the material is cooled by the heat dissipation fan while vibrating and moving, which has the effect of dissipating heat during movement, and the heat dissipation is more efficient. At the same time, the material can be better cooled and more fully while rolling downward, avoiding the problem of incomplete and insufficient cooling caused by material concentration.

[0004] This patent uses a cooling fan to blow cold air to perform heat exchange with rubber particles, and then directly discharges the hot air into the air, causing direct waste of heat, thereby reducing energy utilization efficiency and increasing energy consumption. Utility Model Content

[0005] The utility model aims to provide a waste rubber continuous desulfurization and recovery system to solve the problem that the existing waste rubber continuous desulfurization and recovery system directly discharges the high-temperature wind after the heat exchange into the air after the cold wind blown by the cooling fan is heat exchanged with the rubber particles, resulting in direct waste of heat, reducing energy utilization efficiency and increasing energy consumption.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a waste rubber continuous desulfurization recovery system, comprising a shell, a feed inlet is arranged on the shell, a desulfurization mechanism is arranged inside the shell, a discharge port with a control valve is arranged at the bottom of the shell, a collection box is arranged on the discharge port, and a heat recovery mechanism with a cooling function is arranged on the collection box;

[0007] The heat recovery mechanism includes a cooling fan, an air outlet, a connecting pipe, a preheating block, a through hole and a pressure relief hole. The cooling fan is arranged on a collecting box, the air outlet is arranged on a side of the collecting box away from the cooling fan, the connecting pipe is arranged on the air outlet, the other end of the connecting pipe extends to the inside of the feed port, the preheating block is arranged inside the feed port, the preheating block is hollow, the connecting pipe extends to the inside of the preheating block, the through hole is arranged on the preheating block, and the pressure relief hole is arranged on the preheating block.

[0008] The above technical solution is adopted, by setting a shell, a feed inlet, a desulfurization mechanism, a discharge port, a collection box and a heat recovery mechanism. When in use, the rubber powder and the activator are first added into the shell through the feed inlet, and then the rubber powder is stirred and desulfurized by the desulfurization mechanism. After the desulfurization is completed, the rubber powder is discharged into the collection box through the discharge port, and then the heat recovery mechanism exchanges heat with the rubber powder, and the heat after the heat exchange is reintroduced into the feed inlet, and the rubber powder to be added into the shell is preheated, thereby improving the overall thermal efficiency of the system. The heat recovery mechanism includes It includes a cooling fan, an air outlet, a connecting pipe, a preheating block, a through hole and a pressure relief hole. When the rubber powder after desulfurization enters the collecting box, the cooling fan is first turned on, and then the cold air exchanges heat with the rubber powder in the collecting box to cool the rubber powder. Then the hot air after the heat exchange enters the preheating block through the air outlet and the connecting pipe. Since the preheating block is arranged in the feed port, the rubber powder entering the shell can be preheated. Then the through hole can facilitate the rubber powder to pass through the preheating block. Then the pressure relief hole can avoid excessive pressure inside the preheating block to cause safety hazards.

[0009] Further: the desulfurization mechanism includes a motor, a rotating plate, a rotating shaft, a stirring rod, an installation cavity and an electric heating wire, the motor is arranged on the shell, the rotating plate is arranged in the shell and connected to the output shaft of the motor, the rotating shaft is arranged on the rotating plate, the stirring rod is arranged on the rotating shaft, the number of the stirring rods is several and evenly arranged, the installation cavity is arranged on the side wall of the shell, and the electric heating wire is arranged inside the installation cavity.

[0010] By adopting the above technical scheme, a motor, a rotating plate, a rotating shaft, a stirring rod, a mounting cavity and an electric heating wire are set. When the rubber powder and the activator enter the inside of the shell, the electric heating wire is first turned on to desulfurize the rubber powder by high temperature, and then the motor is turned on so that the output shaft of the motor drives the rotating plate to rotate, and then drives the rotating shaft and the stirring rod to rotate, so that the rubber powder is evenly heated, and the desulfurization effect is better.

[0011] Further: a baffle is hinged in the feed port, the number of the baffles is two and they are symmetrically arranged, a micro cylinder is arranged on the lower surface of the baffle, and the micro cylinder is connected to the side wall of the feed port.

[0012] By adopting the above technical solution, a baffle and a micro cylinder are set. When in use, there are two baffles and they are hinged to the feed port. The baffle can make the rubber powder stay in the feed port, increasing the rubber powder preheating time. When the micro cylinder drives the baffle to rotate, the rubber powder can enter the interior of the shell.

[0013] Further: a connecting plate is arranged on the rotating plate, the connecting plates are in a plurality and arranged in a circle, the other end of the connecting plate is rotatably connected to a scraper plate, and the scraper plate contacts the inner wall of the shell.

[0014] By adopting the above technical solution, by setting a connecting plate and a scraper plate, when the rotating plate rotates, it can drive the connecting plate and the scraper plate to rotate. The scraper plate contacts the inner wall of the shell and can scrape the inside of the shell to prevent rubber powder from adhering to the inner wall of the shell.

[0015] Further: the collection box is provided with a sealed door, the number of the sealed doors is two and they are symmetrically arranged, and the sealed door is provided with a handle.

[0016] By adopting the above technical solution, by providing a sealed door and a handle, when in use, the sealed door can be opened by the handle to collect and take out the rubber powder inside the collection box.

[0017] Furthermore: a filter plate is provided on the air outlet to prevent rubber particles from passing through.

[0018] By adopting the above technical solution and providing a filter plate, the filter plate can block the rubber powder during use, thereby preventing the rubber powder from entering the connecting pipe through the air outlet.

[0019] Further: a support sleeve is arranged between the shell and the collection box.

[0020] By adopting the above technical solution and providing a support sleeve, when in use, the support sleeve can fix the shell in the collection box, so that the shell can be firmly fixed on the collection box.

[0021] Further: one end of the two baffles is provided with a smooth portion.

[0022] By adopting the above technical solution and providing the rounded portion, the rounded portion can prevent the two baffles from colliding when they are parallel during use.

[0023] In summary, the utility model has the following beneficial effects:

[0024] By arranging a cooling fan, an air outlet, a connecting pipe, a preheating block, a through hole and a pressure relief hole, when the rubber powder after desulfurization enters the collecting box, the cooling fan is first turned on, and then the cold air exchanges heat with the rubber powder in the collecting box, thereby cooling the rubber powder, and then the hot air after the heat exchange enters the preheating block through the air outlet and the connecting pipe. Since the preheating block is arranged in the feed port, the rubber powder entering the shell can be preheated, and then the through hole can facilitate the rubber powder to pass through the preheating block, and then the pressure relief hole can avoid excessive pressure inside the preheating block to cause safety hazards.

[0025] By arranging a motor, a rotating plate, a rotating shaft, a stirring rod, a mounting cavity and an electric heating wire, when the rubber powder and the activator enter the inside of the shell, the electric heating wire is first turned on to desulfurize the rubber powder by high temperature, and then the motor is turned on so that the output shaft of the motor drives the rotating plate to rotate, and then drives the rotating shaft and the stirring rod to rotate, so that the rubber powder is evenly heated, and the desulfurization effect is better.

[0026] Based on the above-mentioned improvements, the overall technical effect achieved by the device is that the hot air used for heat exchange with the rubber powder can be recycled and reused, and the rubber powder before desulfurization can be preheated by the hot air, thereby avoiding direct discharge of the hot air into the air, avoiding heat waste, and improving energy utilization efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0028] Figure 2 It is a left view of the utility model;

[0029] Figure 3 The utility model Figure 2 Stereoscopic cross-section at AA in the middle;

[0030] Figure 4 It is a structural schematic diagram of the connecting plate, the scraping plate and the rotating plate of the utility model;

[0031] Figure 5 It is a structural schematic diagram of a baffle, a micro cylinder and a feed inlet of the utility model.

[0032] In the figure, 1. shell; 2. feed inlet; 3. desulfurization mechanism; 4. discharge port; 5. collection box; 6. heat recovery mechanism; 7. baffle; 8. micro cylinder; 9. connecting plate; 10. scraper plate; 11. sealing door; 12. handle; 13. filter plate; 14. support sleeve; 15. smooth part; 301. motor; 302. rotating plate; 303. rotating shaft; 304. stirring rod; 305. installation cavity; 306. electric heating wire; 601. cooling fan; 602. air outlet; 603. connecting pipe; 604. preheating block; 605. through hole; 606. pressure relief hole. DETAILED DESCRIPTION

[0033] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0034] Example:

[0035] See also Figure 1-Figure 5 The utility model provides a technical solution: a waste rubber continuous desulfurization recovery system, comprising a shell 1, a material inlet 2 is arranged on the shell 1, a desulfurization mechanism 3 is arranged inside the shell 1, a material outlet 4 with a control valve is arranged at the bottom of the shell 1, a collection box 5 is arranged on the material outlet 4, and a heat recovery mechanism 6 with a cooling function is arranged on the collection box 5;

[0036] The heat recovery mechanism 6 includes a cooling fan 601, an air outlet 602, a connecting pipe 603, a preheating block 604, a through hole 605 and a pressure relief hole 606. The cooling fan 601 is arranged on the collecting box 5, the air outlet 602 is arranged on the side of the collecting box 5 away from the cooling fan 601, the connecting pipe 603 is arranged on the air outlet 602, and the other end of the connecting pipe 603 extends to the inside of the feed port 2. The preheating block 604 is arranged inside the feed port 2, the preheating block 604 is hollow, the connecting pipe 603 extends to the inside of the preheating block 604, the through hole 605 is arranged on the preheating block 604, and the pressure relief hole 606 is arranged on the preheating block 604.

[0037] By providing a shell 1, a feed port 2, a desulfurization mechanism 3, a discharge port 4, a collection box 5 and a heat recovery mechanism 6, when in use, firstly, rubber powder and an active agent are added into the shell 1 through the feed port 2, and then the rubber powder is stirred and desulfurized through the desulfurization mechanism 3, and the rubber powder after desulfurization is discharged into the collection box 5 through the discharge port 4, and then heat is exchanged with the rubber powder through the heat recovery mechanism 6, and the heat after the heat exchange is reintroduced into the feed port 2, so as to preheat the rubber powder to be added into the shell 1, thereby improving the overall thermal efficiency of the system;

[0038] When the rubber powder after desulfurization enters the collecting box 5, the cooling fan 601 is first turned on, and then the cold air is heat exchanged with the rubber powder in the collecting box 5 to cool the rubber powder. Then the hot air after the heat exchange enters the preheating block 604 through the air outlet 602 and the connecting pipe 603. Since the preheating block 604 is arranged in the feed port 2, the rubber powder entering the shell 1 can be preheated. Then the through hole 605 can facilitate the rubber powder to pass through the preheating block 604. Then the pressure relief hole 606 can prevent the pressure inside the preheating block 604 from being too high, causing a safety hazard.

[0039] refer to Figure 3 The desulfurization mechanism 3 includes a motor 301, a rotating plate 302, a rotating shaft 303, a stirring rod 304, an installation cavity 305 and an electric heating wire 306. The motor 301 is arranged on the housing 1, the rotating plate 302 is arranged in the housing 1 and is connected to the output shaft of the motor 301, the rotating shaft 303 is arranged on the rotating plate 302, the stirring rod 304 is arranged on the rotating shaft 303, the number of stirring rods 304 is several and evenly arranged, the installation cavity 305 is arranged on the side wall of the housing 1, and the electric heating wire 306 is arranged in the installation cavity 305. By arranging a motor 301, a rotating plate 302, a rotating shaft 303, a stirring rod 304, a mounting cavity 305 and an electric heating wire 306 inside the shell 1, when the rubber powder and the activator enter the inside of the shell 1, the electric heating wire 306 is first turned on to desulfurize the rubber powder by high temperature, and then the motor 301 is turned on so that the output shaft of the motor 301 drives the rotating plate 302 to rotate, and then drives the rotating shaft 303 and the stirring rod 304 to rotate, so that the rubber powder is evenly heated, so that the desulfurization effect is better.

[0040] refer to Figure 5 There are two baffles 7 and they are symmetrically arranged. A micro cylinder 8 is arranged on the lower surface of the baffle 7. The micro cylinder 8 is connected to the side wall of the feed port 2. By arranging the baffle 7 and the micro cylinder 8, when in use, there are two baffles 7 and they are hinged to the feed port 2. The baffle 7 can make the rubber powder stay in the feed port 2 to increase the preheating time of the rubber powder. When the micro cylinder 8 drives the baffle 7 to rotate, the rubber powder can enter the interior of the shell 1.

[0041] refer to Figure 4 A connecting plate 9 is provided on the rotating plate 302. The connecting plates 9 are in a plurality and are arranged in a circle. The other end of the connecting plate 9 is rotatably connected to a scraper plate 10. The scraper plate 10 contacts the inner wall of the shell 1. By arranging the connecting plate 9 and the scraper plate 10, when the rotating plate 302 rotates, the connecting plate 9 and the scraper plate 10 can be driven to rotate. The scraper plate 10 contacts the inner wall of the shell 1, and the inside of the shell 1 can be scraped to prevent the rubber powder from adhering to the inner wall of the shell 1.

[0042] refer to Figure 1A sealing door 11 is provided on the collection box 5. There are two sealing doors 11 and they are symmetrically arranged. A handle 12 is provided on the sealing door 11. By arranging the sealing door 11 and the handle 12, when in use, the sealing door 11 is opened by the handle 12, and the rubber powder inside the collection box 5 can be collected and taken out.

[0043] refer to Figure 3 A filter plate 13 for preventing rubber particles from passing through is provided on the air outlet 602 . By providing the filter plate 13 , when in use, the filter plate 13 can block the rubber powder and prevent the rubber powder from entering the connecting pipe 603 through the air outlet 602 .

[0044] refer to Figure 1 A support sleeve 14 is provided between the shell 1 and the collection box 5. By providing the support sleeve 14, when in use, the support sleeve 14 can fix the shell 1 in the collection box 5, so that the shell 1 can be firmly fixed on the collection box 5.

[0045] refer to Figure 5 One end of the two baffles 7 is provided with a rounded portion 15. By providing the rounded portion 15, when in use, the rounded portion 15 can prevent the two baffles 7 from colliding when they are parallel.

[0046] Brief description of the usage process:

[0047] When in use, first, when the rubber powder and the active agent enter the interior of the shell 1, the electric heating wire 306 is turned on to desulfurize the rubber powder by high temperature, and then the motor 301 is turned on to make the output shaft of the motor 301 drive the rotating plate 302 to rotate, and then drive the rotating shaft 303 and the stirring rod 304 to rotate, so that the rubber powder is evenly heated, so that the rubber powder is evenly heated and the desulfurization effect is better. When the rotating plate 302 rotates, it can drive the connecting plate 9 and the scraping plate 10 to rotate. The scraping plate 10 contacts the inner wall of the shell 1 and can scrape the inside of the shell 1 to prevent the rubber powder from adhering to the inner wall of the shell 1;

[0048] Then, when the rubber powder after desulfurization enters the collecting box 5, the cooling fan 601 is first turned on, and then the cold air is heat-exchanged with the rubber powder in the collecting box 5, thereby cooling the rubber powder. Then, the hot air after the heat exchange enters the preheating block 604 through the air outlet 602 and the connecting pipe 603. Since the preheating block 604 is arranged in the feed port 2, the rubber powder entering the shell 1 can be preheated. Then, the through hole 605 can facilitate the rubber powder to pass through the preheating block 604. Then, the pressure relief hole 606 can prevent the pressure inside the preheating block 604 from being too high, thereby causing a safety hazard.

[0049] Finally, there are two baffles 7 which are hinged to the feed port 2 . The baffles 7 can keep the rubber powder in the feed port 2 to increase the preheating time of the rubber powder. When the micro cylinder 8 drives the baffles 7 to rotate, the rubber powder can enter the interior of the housing 1 .

[0050] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A waste rubber continuous desulfurization and recovery system, comprising a housing (1), characterized in that: The shell (1) is provided with a material inlet (2), the shell (1) is provided with a desulfurization mechanism (3), the bottom of the shell (1) is provided with a material outlet (4) with a control valve, the material outlet (4) is provided with a collection box (5), and the collection box (5) is provided with a heat recovery mechanism (6) with a cooling function; The heat recovery mechanism (6) comprises a cooling fan (601), an air outlet (602), a connecting pipe (603), a preheating block (604), a through hole (605) and a pressure relief hole (606); the cooling fan (601) is arranged on the collecting box (5); the air outlet (602) is arranged on a side of the collecting box (5) away from the cooling fan (601); the connecting pipe (603) is arranged on the air outlet (602); the other end of the connecting pipe (603) extends to the inside of the feed port (2); the preheating block (604) is arranged inside the feed port (2); the preheating block (604) is hollow; the connecting pipe (603) extends to the inside of the preheating block (604); the through hole (605) is arranged on the preheating block (604); and the pressure relief hole (606) is arranged on the preheating block (604).

2. A waste rubber continuous desulfurization recovery system according to claim 1, characterized in that: The desulfurization mechanism (3) comprises a motor (301), a rotating plate (302), a rotating shaft (303), a stirring rod (304), an installation cavity (305) and an electric heating wire (306); the motor (301) is arranged on a housing (1); the rotating plate (302) is arranged in the housing (1) and is connected to an output shaft of the motor (301); the rotating shaft (303) is arranged on the rotating plate (302); the stirring rod (304) is arranged on the rotating shaft (303); the stirring rods (304) are arranged in a plurality and are evenly arranged; the installation cavity (305) is arranged on a side wall of the housing (1); and the electric heating wire (306) is arranged inside the installation cavity (305).

3. A waste rubber continuous desulfurization recovery system according to claim 1, characterized in that: A baffle (7) is hinged in the feed inlet (2), the baffles (7) are two in number and are symmetrically arranged, a micro cylinder (8) is arranged on the lower surface of the baffle (7), and the micro cylinder (8) is connected to the side wall of the feed inlet (2).

4. A waste rubber continuous desulfurization recovery system according to claim 2, characterized in that: The rotating plate (302) is provided with a connecting plate (9), the connecting plates (9) are in a plurality and are arranged in a circle, the other end of the connecting plate (9) is rotatably connected to a scraping plate (10), and the scraping plate (10) is in contact with the inner wall of the shell (1).

5. The waste rubber continuous desulfurization and recovery system according to claim 1, characterized in that: The collection box (5) is provided with a sealing door (11), the sealing doors (11) are two in number and are symmetrically arranged, and the sealing door (11) is provided with a handle (12).

6. A waste rubber continuous desulfurization recovery system according to claim 1, characterized in that: The air outlet (602) is provided with a filter plate (13) for preventing rubber particles from passing through.

7. A waste rubber continuous desulfurization recovery system according to claim 1, characterized in that: A support sleeve (14) is provided between the housing (1) and the collection box (5).

8. The waste rubber continuous desulfurization and recovery system according to claim 3, characterized in that: One end of each of the two baffles (7) is provided with a smooth portion (15).

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