Heating rotary furnace

Abstract

The utility model discloses a heating rotary furnace which comprises a base, a feeding mechanism, a supporting mechanism, a heating mechanism and a recycling mechanism. The feeding mechanism is arranged at the left end of the top face of the base, material adding is facilitated, the right end of the feeding mechanism is connected with the heating mechanism, the heating mechanism comprises the heating furnace body, the combustion rotary kiln sealing cover, the hydrogen pipe, the discharging opening, the smoke outlet and other assemblies, and the materials can be heated under mutual cooperation; the bottom end of the heating mechanism is connected with the base through the supporting mechanism, the supporting mechanism comprises a rotating riding wheel, a rotating mechanism and other assemblies, when the heating furnace body works, the supporting mechanism can drive the heating furnace body to rotate, heating is more uniform, the heating efficiency can be effectively improved, the right end of the top face of the base is connected with the recycling mechanism, and waste gas and waste materials produced by the heating mechanism can be treated; and environmental pollution is avoided, and high practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary kilns, in particular to a heating rotary kiln. Background Art

[0002] A rotary kiln is a thermal equipment used to calcine, roast or dry granular and powdered materials. It belongs to the category of building materials equipment. It rotates the furnace body to evenly heat the materials at high temperatures, completing the calcination, roasting or drying process.

[0003] It is difficult for some existing rotary kilns to make maximum use of heat. Some heat will flow out with flue gases, resulting in heat loss. During heating and combustion, impurities such as zinc oxide may be produced, which need to be separated from the furnace to avoid affecting the normal reaction of the material. Impurities such as zinc oxide may also cause environmental pollution if directly discharged into the environment. They need to be processed to reduce environmental pollution. Utility Model Content

[0004] The purpose of the present invention is to provide a heating rotary kiln to solve the problems raised in the above background technology.

[0005] In order to achieve the above object, the utility model adopts the following technical solution: a heating rotary kiln, comprising a base, a feeding mechanism connected to the left end of the top surface of the base, a supporting mechanism provided at the middle end of the top surface and connected to the heating mechanism through the supporting mechanism, and a recovery mechanism connected to the right end of the heating mechanism;

[0006] The feeding mechanism includes a silo, a conveyor belt and a vibrating discharge chute. The left end of the top surface of the base is provided with a silo, the top of the silo is connected to the conveyor belt, and the bottom end is provided with a discharge chute.

[0007] Preferably, the supporting mechanism includes a rotating support wheel and a rotating mechanism. Two sets of front and rear rotating support wheels are provided at the middle end of the top surface of the base near the left and right ends of the heating mechanism. The bottom ends of the rotating support wheels are connected to the base through a support seat. The outer side of the heating mechanism is provided with an outer edge corresponding to the rotating support wheel.

[0008] Preferably, the rotating mechanism includes a support seat 2, a rotating gear, a driving motor and a rotating ring groove. A group of support seats 2 are provided at the right end of the rotating support wheel at the left end. A group of rotating gears are connected to the top of the support seat 2. A driving motor is provided at the right end of the rotating gear. A rotating ring groove corresponding to the rotating gear is provided on the outside of the heating mechanism.

[0009] Preferably, the heating mechanism includes a heating furnace body, a combustion rotary kiln sealing cover, a hydrogen pipe, a discharge port, a flue gas outlet, a flue gas recovery pipe, a heating and combustion equipment and a discharge device. The top middle end of the base is provided with a heating furnace body, and the left and right ends of the heating furnace body are connected to the combustion rotary kiln sealing cover. A group of hydrogen pipes is provided at the left middle end of the heating furnace body, and the right end of the hydrogen pipe passes through the combustion rotary kiln sealing cover at the left end and extends to the middle end of the bottom of the heating furnace body. A discharge port is provided at the left end of the top surface of the heating furnace body, and the left bottom end of the combustion rotary kiln sealing cover at the left end is connected to the flue gas recovery pipe through the flue gas outlet, and the right bottom end of the combustion rotary kiln sealing cover at the right end is connected to the heating and combustion equipment. The right end of the flue gas recovery pipe is connected to the heating and combustion equipment, and a discharge device is provided at the right end of the heating furnace body.

[0010] Preferably, the heating furnace body includes a heating furnace chamber and an outer chamber, the outer chamber is provided on the outside of the heating furnace chamber, and a heat insulation layer is provided at the inner middle end, and the right end of the hydrogen pipe passes through the heat insulation layer and extends from the bottom middle end thereof to the heating furnace chamber.

[0011] Preferably, the recovery mechanism includes a zinc oxide recovery pipe, a zinc oxide recovery bag, a desulfurization tower and a discharge pool. A group of zinc oxide recovery pipes is provided at the top of the heating furnace body. The left and right ends of the bottom surface of the zinc oxide recovery pipe are respectively connected to the left and right ends of the heating furnace. The right end of the zinc oxide recovery pipe is connected to the zinc oxide recovery bag. The right end of the zinc oxide recovery bag is provided with a desulfurization tower. The right end of the heating furnace body is provided with a discharge pool corresponding to the discharge device.

[0012] Preferably, at least two groups of toggle rods are provided at equal intervals on the inner side of the rotating ring groove, and when the rotating gear rotates, the toggle rods can be toggled to drive the heating furnace body to rotate.

[0013] Preferably, a vibration motor is provided at the bottom end of the discharge chute.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The feeding mechanism provided at the left end of the top surface of the base is conducive to adding materials. The right end of the feeding mechanism is connected to the heating mechanism. The heating mechanism includes components such as the heating furnace body, the combustion rotary kiln sealing cover, the hydrogen pipe, the discharge port and the flue gas outlet, which can cooperate with each other to achieve heating of the material. The bottom end of the heating mechanism is connected to the base through a supporting mechanism. The supporting mechanism includes components such as a rotating support wheel and a rotating mechanism, which can drive the heating furnace body to rotate when it is working, so that the heating is more uniform, which can effectively improve the heating efficiency. The right end of the top surface of the base is connected to a recovery mechanism, which can process the waste gas and waste produced by the heating mechanism to avoid polluting the environment, and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the heating furnace main body of the utility model;

[0018] Figure 3 for Figure 1 Schematic diagram of the right side structure of the cross section at point A in the middle;

[0019] Figure 4 for Figure 1 Schematic diagram of the right side structure of the cross section at point B in the middle;

[0020] Figure 5 for Figure 1 Schematic diagram of the right side structure of the cross section at point C in the middle;

[0021] Figure 6 for Figure 1 Schematic diagram of the right-side cross-section structure at point D in the middle.

[0022] In the figure: base-1, loading mechanism-2, supporting mechanism-3, heating mechanism-4, recovery mechanism-5, silo-21, conveyor belt-22, discharge chute-23, rotating support wheel-31, rotating mechanism-32, support seat 1-311, outer edge-312, support seat 2-321, rotating gear-322, drive motor-323, rotating ring groove-324, heating furnace body-41, combustion rotary kiln sealing cover-42, hydrogen pipe-43, discharge port-44, flue gas outlet-45, flue gas recovery pipe-46, heating and combustion equipment-47, discharge device-48, heating furnace chamber-411, outer chamber-412, thermal insulation layer-413, zinc oxide recovery pipe-51, zinc oxide recovery bag-52, desulfurization tower-53, discharge pool-54. DETAILED DESCRIPTION

[0023] In order to further explain the technical solution of the present invention, specific embodiments are described in detail below.

[0024] See also Figure 1 The utility model provides a heating rotary kiln, comprising a base 1, a loading mechanism 2 for facilitating loading is connected to the left end of the top surface of the base 1, a supporting mechanism 3 is provided at the middle end of the top surface, and is connected to a heating mechanism 4 through the supporting mechanism 3, and a recycling mechanism 5 is connected to the right end of the heating mechanism 4;

[0025] The loading mechanism 2 includes a silo 21, a conveyor belt 22 and a vibrating discharge trough 23. The left end of the top surface of the base 1 is connected to the silo 21 through a lifting frame, which can lift the loading mechanism 2 to facilitate loading. The top of the silo 21 is connected to a conveyor belt 22 that can transport materials, and the bottom is provided with a discharge trough 23. The bottom end of the discharge trough 23 is connected to a vibration motor, which can improve the discharge efficiency and prevent material from remaining in the discharge trough 23.

[0026] See also Figure 1-4The utility model provides a heating rotary furnace, wherein the support mechanism 3 includes a rotating support wheel 31 and a rotating mechanism 32. Two sets of rotating support wheels 31 are provided at the middle end of the top surface of the base 1 near the left and right ends of the outer chamber 412. The bottom ends of the rotating support wheels 31 are connected to the base 1 through a support seat 311. The outer side of the outer chamber 412 is provided with an outer edge 312 corresponding to the rotating support wheel 31, which can assist the rotation of the heating furnace body 41 and improve stability.

[0027] The rotating mechanism 32 includes a second support seat 321, a rotating gear 322, a driving motor 323 and a rotating ring groove 324. A group of support seats 321 is provided at the right end of the left-end rotating support wheel 31. A group of rotating gears 322 are connected to the top of the second support seat 321. The right end of the rotating gear 322 is provided with a driving motor 323. The driving shaft of the driving motor 323 is connected to the middle end of the rotating gear 322. The rotation of the driving shaft of the driving motor 323 can drive the rotating gear 322 to rotate. A rotating ring groove 324 corresponding to the rotating gear 322 is provided on the outside of the outer chamber 412. No less than two groups of toggle rods are provided at equal intervals on the inside of the rotating ring groove 324. When the rotating gear 322 rotates, the toggle rod can be toggled to drive the heating furnace body 41 to rotate.

[0028] See also Figure 1-6 The utility model provides a heating rotary kiln. The heating mechanism 4 includes a heating furnace body 41, a combustion rotary kiln sealing cover 42, a hydrogen pipe 43, a discharge port 44, a smoke outlet 45, a smoke recovery pipe 46, a heating and combustion device 47 and a discharge device 48. The heating furnace body 41 is provided at the top middle end of the base 1. The left and right ends of the heating furnace body 41 are both connected to the combustion rotary kiln sealing cover 42. A group of hydrogen pipes 43 for transporting hydrogen are provided at the left middle end of the heating furnace body 41. The right end of the hydrogen pipe 43 passes through the left end combustion rotary kiln. The sealing cover 42 extends to the middle end of the inner bottom of the heating furnace body 41. The left end of the top surface of the heating furnace body 41 is provided with a discharge port 44 corresponding to the discharge chute 23. The left bottom end of the sealing cover 42 of the left-end combustion rotary kiln is connected to a flue gas recovery pipe 46 through a flue gas outlet 45 to recover the generated flue gas. The right bottom end of the sealing cover 42 of the right-end combustion rotary kiln is connected to a heating and combustion device 47. The right end of the flue gas recovery pipe 46 is connected to the heating and combustion device 47 to improve the heating and combustion effect. A discharge device 48 is provided at the right end of the heating furnace body 41.

[0029] The heating furnace body 41 includes a heating furnace chamber 411 and an outer chamber 412. The outer chamber 412 is provided on the outside of the heating furnace chamber 411, and a heat insulation layer 413 is provided at the middle end of the heating furnace chamber 411. The material can enter the heating furnace body 41 through the discharge port 44 for heating, and the right end of the hydrogen pipe 43 passes through the heat insulation layer 413 and extends from the bottom middle end thereof to the heating furnace chamber 411. The left and right ends of the outer chamber 412 are connected by the combustion rotary kiln sealing cover 42 and can rotate between the two groups of combustion rotary kiln sealing covers 42. The inner end of the outer chamber 412 is connected to the outside of the heating furnace chamber 411 through no less than two groups of connecting plates, and the surface of the connecting plate is provided with no less than two groups of smoke holes.

[0030] See also Figure 1 The utility model provides a heating rotary furnace, the recovery mechanism 5 includes a zinc oxide recovery pipe 51, a zinc oxide recovery bag 52, a desulfurization tower 53 and a discharge pool 54. A group of zinc oxide recovery pipes 51 are provided at the top of the heating furnace body 41. The left and right ends of the bottom surface of the zinc oxide recovery pipe 51 are respectively connected to the left and right ends of the heating furnace 411, which can recover the generated zinc oxide. The right end of the zinc oxide recovery pipe 51 is connected to a zinc oxide recovery bag 52, and the right end of the zinc oxide recovery bag 52 is connected to a desulfurization tower 53, which can desulfurize the zinc oxide to avoid polluting the environment. The right end of the heating furnace body 41 is provided with a discharge pool 54 corresponding to the discharge device 48, which can collect materials discharged from the discharge device 48.

[0031] Here's how it works:

[0032] When in use, the material can be transported through the conveyor belt 22 and discharged through the hopper 21 and the discharge chute 23, so that the material enters the heating furnace 411 through the discharge port 44, and then the heating combustion device 47 and the rotating mechanism 32 are started. The heating combustion device 47 heats the material, and the rotating mechanism 32 can rotate through the driving shaft of the driving motor 323, driving the rotating gear 322 to rotate, thereby toggling the toggle rod, and with the assistance of the rotating support wheel 31, the outer chamber 412 and the heating furnace 411 are driven to rotate, thereby improving the heating efficiency of the material. During heating, hydrogen enters the heating furnace 411 through the hydrogen pipe 43, reacts with oxygen in a high-temperature environment to generate water vapor and evaporates, and the flue gas in the outer chamber 412 can be collected through the flue gas outlet 45 and the flue gas recovery pipe 46, and moved to the heating combustion equipment 47 to improve the combustion efficiency, and the zinc oxide recovery pipe 51 can recover the zinc oxide in the heating furnace 411 and transport it to the zinc oxide recovery bag 52 and the desulfurization tower 53 for treatment. Finally, the material discharged from the discharge device 48 can be collected through the discharge pool 54.

[0033] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A heating rotary kiln, characterized in that: The base comprises a base (1), wherein the left end of the top surface of the base (1) is connected to a feeding mechanism (2), the middle end of the top surface is provided with a supporting mechanism (3), and the supporting mechanism (3) is connected to a heating mechanism (4), and the right end of the heating mechanism (4) is connected to a recycling mechanism (5); The feeding mechanism (2) comprises a silo (21), a conveyor belt (22) and a vibrating discharge trough (23); the silo (21) is provided at the left end of the top surface of the base (1); the top end of the silo (21) is connected to the conveyor belt (22), and the bottom end is provided with a discharge trough (23).

2. A heating rotary kiln according to claim 1, characterized in that: The support mechanism (3) includes a rotating support wheel (31) and a rotating mechanism (32). Two sets of front and rear rotating support wheels (31) are provided at the middle end of the top surface of the base (1) near the left and right ends of the heating mechanism (4). The bottom ends of the rotating support wheels (31) are connected to the base (1) through a support seat (311). The outer side of the heating mechanism (4) is provided with an outer edge (312) corresponding to the rotating support wheel (31).

3. The heating rotary kiln according to claim 2, characterized in that: The rotating mechanism (32) includes a second support seat (321), a rotating gear (322), a driving motor (323) and a rotating ring groove (324). The right end of the left end rotating wheel (31) is provided with a group of second support seats (321). The top end of the second support seat (321) is connected to a group of rotating gears (322). The right end of the rotating gear (322) is provided with a driving motor (323). The outer side of the heating mechanism (4) is provided with a rotating ring groove (324) corresponding to the rotating gear (322).

4. A heating rotary kiln according to claim 3, characterized in that: The heating mechanism (4) includes a heating furnace body (41), a combustion rotary kiln sealing cover (42), a hydrogen pipe (43), a discharge port (44), a smoke outlet (45), a smoke recovery pipe (46), a heating and combustion device (47) and a discharge device (48). The top middle end of the base (1) is provided with a heating furnace body (41), and the left and right ends of the heating furnace body (41) are both connected to the combustion rotary kiln sealing cover (42). A group of hydrogen pipes (43) are provided at the left middle end of the heating furnace body (41), and the right end of the hydrogen pipe (43) passes through The combustion rotary kiln sealing cover (42) at the left end extends to the middle end of the inner bottom of the heating furnace body (41), and a discharge port (44) is provided at the left end of the top surface of the heating furnace body (41). The left bottom end of the combustion rotary kiln sealing cover (42) at the left end is connected to a flue gas recovery pipe (46) through a flue gas outlet (45). The right bottom end of the combustion rotary kiln sealing cover (42) at the right end is connected to a heating combustion device (47), and the right end of the flue gas recovery pipe (46) is connected to the heating combustion device (47). The right end of the heating furnace body (41) is provided with a discharge device (48).

5. The heating rotary kiln according to claim 4, characterized in that: The heating furnace body (41) comprises a heating furnace chamber (411) and an outer chamber (412). The outer chamber (412) is provided on the outside of the heating furnace chamber (411), and a heat insulation layer (413) is provided at the inner middle end. The right end of the hydrogen pipe (43) passes through the heat insulation layer (413) and extends from the bottom middle end thereof into the heating furnace chamber (411).

6. The heating rotary kiln according to claim 5, characterized in that: The recovery mechanism (5) includes a zinc oxide recovery pipe (51), a zinc oxide recovery bag (52), a desulfurization tower (53) and a discharge pool (54). A group of zinc oxide recovery pipes (51) are provided at the top of the heating furnace body (41). The left and right ends of the bottom surface of the zinc oxide recovery pipe (51) are respectively connected to the left and right ends of the heating furnace (411). The right end of the zinc oxide recovery pipe (51) is connected to the zinc oxide recovery bag (52). The right end of the zinc oxide recovery bag (52) is provided with a desulfurization tower (53). The right end of the heating furnace body (41) is provided with a discharge pool (54) corresponding to the discharge device (48).

7. The heating rotary kiln according to claim 3, characterized in that: At least two groups of toggle rods are provided at equal intervals inside the rotating ring groove (324). When the rotating gear (322) rotates, the toggle rods can be toggled to drive the heating furnace body (41) to rotate.

8. The heating rotary kiln according to claim 1, characterized in that: A vibration motor is provided at the bottom end of the feed chute (23).

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