Energy-saving feeding and discharging device of municipal sludge pyrolysis carbonization furnace

Abstract

The invention discloses an energy-saving municipal sludge pyrolysis carbonization furnace feeding and discharging device which comprises an inner roller, an outer roller and a bottom frame, an inner roller feeding unit is installed on the inner roller, and the inner roller supplies materials into a sludge pyrolysis carbonization furnace through the inner roller feeding unit; the outer roller is arranged on the outer side of the inner roller in a sleeving mode, an outer roller heat preservation layer is fixedly installed on the outer wall of the outer roller, an outer roller feeding unit is installed on the outer roller, and the outer roller conveys discharged materials of the sludge pyrolysis carbonization furnace through the outer roller feeding unit; the bottom frame is used for supporting the inner roller and the outer roller, an inner roller driving mechanism and an outer roller driving mechanism are installed on the bottom frame, the inner roller driving mechanism is used for driving the inner roller to rotate, and the outer roller driving mechanism is used for driving the outer roller to rotate. According to the invention, normal-temperature fed materials in the inner roller are subjected to heat exchange through the roller wall of the inner roller by utilizing the discharged materials of the high-temperature sludge pyrolysis carbonization furnace in the outer roller, so that the current situation of heat energy waste in the prior art is solved.

Description

Technical Field

[0001] This invention relates to the field of municipal sludge treatment equipment technology, and in particular to an energy-saving municipal sludge pyrolysis carbonization furnace feeding and discharging device. Background Technology

[0002] Currently, using sludge pyrolysis carbonization furnace technology to process municipal sludge into sludge-based biochar has advantages such as small footprint, significant volume reduction, thorough harmlessness, low energy consumption, solidification of heavy metals to prevent further release, and high resource utilization. Therefore, municipal sludge pyrolysis carbonization technology is widely used.

[0003] Typically, after municipal sludge is carbonized in a pyrolysis furnace, the resulting sludge-based biochar reaches an outlet temperature of 500℃, which is very high. To facilitate packaging and transportation of the pyrolysis-carbonized sludge-based biochar, a cooling water jacket is usually added to the screw conveyor at the outlet of the pyrolysis carbonization furnace to reduce the outlet temperature from 500℃ to about 40℃. The cooling water is then recycled after being cooled by a cooling tower. As a result, a large amount of thermal energy is wasted.

[0004] Therefore, there is an urgent need to provide an energy-saving feeding and discharging device for municipal sludge pyrolysis carbonization furnaces to solve the technical problem of wasting a large amount of heat energy by using cooling water to cool the discharging material from municipal sludge pyrolysis furnaces. Summary of the Invention

[0005] The purpose of this invention is to provide an energy-saving feeding and discharging device for a municipal sludge pyrolysis carbonization furnace, so as to solve the problems existing in the prior art.

[0006] To achieve the above objectives, the present invention provides an energy-saving feeding and discharging device for a municipal sludge pyrolysis carbonization furnace, comprising:

[0007] An inner roller is equipped with an inner roller feeding unit, which feeds material into the sludge pyrolysis carbonization furnace through the inner roller feeding unit.

[0008] An outer roller is sleeved on the outside of the inner roller. An outer roller insulation layer is fixedly installed on the outer wall of the outer roller. An outer roller feeding unit is installed on the outer roller. The outer roller conveys the output of the sludge pyrolysis carbonization furnace through the outer roller feeding unit.

[0009] A base frame is provided to support the inner roller and the outer roller. An inner roller drive mechanism and an outer roller drive mechanism are mounted on the base frame. The inner roller drive mechanism is used to drive the inner roller to rotate, and the outer roller drive mechanism is used to drive the outer roller to rotate.

[0010] Preferably, the inner roller feeding unit includes:

[0011] An inner roller feeder is provided at one end of the inner roller and is used to feed material into the inner roller.

[0012] An inner roller discharge machine is provided at the other end of the inner roller and is used to discharge the material in the inner roller.

[0013] An inner drum spiral material guide plate is fixedly installed on the inner wall of the inner drum, and the material inside the inner drum is conveyed through the inner drum spiral material guide plate.

[0014] Preferably, the inner roller feeding unit further includes:

[0015] An inner roller feed head cover is slidably sleeved on one end of the inner roller. The inner roller feeder is connected to the inner roller feed head cover. An inner roller feed head cover sealing plate is provided between the inner roller feed head cover and the inner roller. The inner roller feed head cover sealing plate is detachably connected to the inner roller feed head cover.

[0016] An inner roller discharge tail cover is slidably sleeved on the other end of the inner roller. The inner roller discharge machine is connected to the inner roller discharge tail cover. An inner roller tail cover sealing plate is provided between the inner roller discharge tail cover and the inner roller. The inner roller discharge tail cover and the inner roller tail cover sealing plate are detachably connected.

[0017] The inner roller feed head cover and the inner roller discharge tail cover are both fixedly installed on the base frame. The inner roller head cover sealing plate and the inner roller tail cover sealing plate are both used to prevent fly ash from leaking out of the inner roller.

[0018] Preferably, an inner roller head cover guide plate is fixedly installed inside the inner roller feed head cover, and the inner roller head cover guide plate is correspondingly installed with the inner roller feeder.

[0019] Preferably, the outer roller feeding unit includes:

[0020] An outer roller feeder is disposed at one end of the outer roller and is used to feed material into the outer roller.

[0021] An outer roller discharge machine is provided at the other end of the outer roller and is used to discharge material from the outer roller.

[0022] An outer roller spiral turning and material guide plate is fixedly installed on the inner wall of the outer roller, and the outer roller spiral turning and material guide plate is slidably engaged with the inner roller. The material in the outer roller is conveyed through the outer roller spiral turning and material guide plate.

[0023] Preferably, the outer roller feeding unit further includes:

[0024] An outer roller feed head cover is slidably sleeved on one end of the outer roller. The outer roller feeder is connected to the outer roller feed head cover. An outer roller feed head cover sealing plate is provided between the outer roller feed head cover and the outer roller. The outer roller feed head cover sealing plate is detachably connected to the outer roller feed head cover.

[0025] An outer roller discharge tail cover is slidably sleeved on the other end of the outer roller. The outer roller discharge machine is connected to the outer roller discharge tail cover. An outer roller discharge tail cover sealing plate is provided between the outer roller discharge tail cover and the outer roller. The outer roller discharge tail cover and the outer roller discharge tail cover sealing plate are detachably connected.

[0026] The outer drum feed head cover and the outer drum discharge tail cover are both fixedly installed on the base frame. The outer drum head cover sealing plate and the outer drum tail cover sealing plate are both used to prevent fly ash from leaking out of the outer drum.

[0027] Preferably, an outer roller head cover guide plate is fixedly installed inside the outer roller head cover, and the outer roller head cover guide plate is correspondingly installed with the outer roller feeder.

[0028] Preferably, the inner roller drive mechanism includes:

[0029] An inner roller drive motor is fixedly mounted on the base frame. An inner roller drive pinion is fixedly connected to the output shaft of the inner roller drive motor. An inner roller gear ring is fixedly sleeved on the outer wall of the inner roller. The inner roller drive pinion meshes with the inner roller gear ring.

[0030] Preferably, the outer roller drive mechanism includes:

[0031] An outer roller drive motor is fixedly mounted on the base frame. An outer roller drive pinion is fixedly connected to the output shaft of the outer roller drive motor. An outer roller gear ring is fixedly sleeved on the outer wall of the outer roller. The outer roller drive pinion meshes with the outer roller gear ring.

[0032] Preferably, inner roller belt one and inner roller belt two are fixedly sleeved on the outer walls of both ends of the inner roller, and inner roller support roller one and inner roller support roller two are fixedly installed on the base frame. Inner roller belt one is correspondingly arranged with inner roller support roller one, and inner roller belt two is correspondingly arranged with inner roller support roller two.

[0033] The outer roller is fixedly fitted with an outer roller belt one and an outer roller belt two on the outer walls of both ends respectively. The base frame is fixedly installed with an outer roller support roller one and an outer roller support roller two. The outer roller belt one is arranged corresponding to the outer roller support roller one, and the outer roller belt two is arranged corresponding to the outer roller support roller two.

[0034] Compared with the prior art, the present invention has the following advantages and technical effects:

[0035] 1. The energy-saving municipal sludge pyrolysis carbonization furnace feeding and discharging device provided by the present invention utilizes the high-temperature sludge pyrolysis carbonization furnace discharge from the outer drum to exchange heat with the room-temperature feed in the inner drum through the inner drum wall. This can greatly reduce the discharge temperature of the sludge pyrolysis carbonization furnace and greatly increase the temperature of the material entering the sludge pyrolysis carbonization furnace. This solves the problem in the prior art where the discharge screw conveyor of the sludge pyrolysis carbonization furnace uses a cooling water jacket and cooling tower for cooling, which wastes heat energy.

[0036] 2. The entire device of this invention is mounted on a base frame, which facilitates transportation and installation and reduces the floor space required. Attached Figure Description

[0037] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0038] Figure 1 This is a left-side schematic diagram of the feeding and discharging device of the energy-saving municipal sludge pyrolysis carbonization furnace of the present invention;

[0039] Figure 2 for Figure 1 A cross-sectional view along the BB direction;

[0040] Figure 3 for Figure 2 A magnified view of part I;

[0041] Figure 4 for Figure 2 Enlarged view of a section of section II;

[0042] Figure 5 for Figure 2A cross-sectional view along the CC direction;

[0043] In the diagram: 1. Inner roller feeder; 2. Inner roller head cover guide plate; 3. Inner roller feed head cover; 4. Inner roller head cover sealing plate; 5. Base frame; 6. Inner roller gear ring; 7. Inner roller drive pinion; 8. Inner roller drive motor; 9. Outer roller discharge machine; 10. Outer roller drive pinion; 11. Outer roller drive motor; 12. Outer roller insulation layer; 13. Outer roller; 14. Outer roller spiral turning guide plate; 15. Outer roller support roller 1; 16. Outer roller feed head cover; 17. Inner roller support roller 1; 18. Inner roller belt 1; 19. Inner roller. 20. Discharge machine; 21. Inner drum discharge tail cover; 22. Inner drum tail cover sealing plate; 23. Outer drum head cover sealing plate; 24. Outer drum feeder; 25. Outer drum head cover guide plate; 26. Outer drum pulley belt one; 27. Inner drum spiral turning guide plate; 28. Inner drum; 29. ​​Outer drum pulley belt two; 30. Outer drum gear ring; 31. Outer drum tail cover sealing plate; 32. Outer drum discharge tail cover; 33. Outer drum tail cover sealing plate; 34. Inner drum pulley belt two; 35. Inner drum support roller two; 36. Outer drum support roller two. Detailed Implementation

[0044] It should be noted that, unless otherwise specified, the embodiments and features described in this invention can be combined with each other. The described embodiments are merely some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this invention. The invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0045] like Figures 1 to 5 As shown, the present invention provides an energy-saving municipal sludge pyrolysis carbonization furnace feeding and discharging device, comprising:

[0046] Inner roller 28, an inner roller 28 feeding unit is installed on the inner roller 28, and the inner roller 28 feeds material into the sludge pyrolysis carbonization furnace through the inner roller 28 feeding unit;

[0047] The outer roller 13 is sleeved on the outside of the inner roller 28. The outer roller insulation layer 12 is fixedly installed on the outer wall of the outer roller 13. The outer roller 13 feeding unit is installed on the outer roller 13. The outer roller 13 conveys the output of the sludge pyrolysis carbonization furnace through the outer roller 13 feeding unit.

[0048] The base frame 5 supports the inner roller 28 and the outer roller 13. The base frame 5 is equipped with the inner roller 28 drive mechanism and the outer roller 13 drive mechanism. The inner roller 28 drive mechanism is used to drive the inner roller 28 to rotate, and the outer roller 13 drive mechanism is used to drive the outer roller 13 to rotate.

[0049] The outer roller insulation layer 12 is made of glass fiber rolled felt. The outer roller insulation layer 12 is used to achieve the insulation effect of the high temperature discharge of the sludge carbonization furnace, so that as much heat as possible is transferred from the high temperature discharge of the sludge pyrolysis carbonization furnace to the low temperature feed, thereby achieving the purpose of energy saving.

[0050] Furthermore, the inner roller 28 feeding unit includes:

[0051] An inner roller feeder 1 is located at one end of an inner roller 28 and is used to feed material into the inner roller 28.

[0052] An inner roller discharge machine 19 is located at the other end of the inner roller 28 and is used to discharge the material in the inner roller 28.

[0053] The inner drum spiral turning guide plate 27 is fixedly installed on the inner wall of the inner drum 28, and the material in the inner drum 28 is conveyed through the inner drum spiral turning guide plate 27.

[0054] Furthermore, the inner roller 28 feeding unit also includes:

[0055] The inner roller feed head cover 3 is slidably sleeved on one end of the inner roller 28. The inner roller feeder 1 is connected to the inner roller feed head cover 3. An inner roller head cover sealing plate 4 is provided between the inner roller feed head cover 3 and the inner roller 28. The inner roller head cover sealing plate 4 is detachably connected to the inner roller feed head cover 3.

[0056] The inner roller discharge tail cover 20 is slidably sleeved on the other end of the inner roller 28. The inner roller discharge machine 19 is connected to the inner roller discharge tail cover 20. An inner roller tail cover sealing plate 21 is provided between the inner roller discharge tail cover 20 and the inner roller 28. The inner roller discharge tail cover 20 and the inner roller tail cover sealing plate 21 are detachably connected.

[0057] The inner roller feed head cover 3 and the inner roller discharge tail cover 20 are both fixedly installed on the base frame 5. The inner roller head cover sealing plate 4 and the inner roller tail cover sealing plate 21 are both used to prevent fly ash from leaking out of the inner roller 28.

[0058] Furthermore, an inner roller feed head cover 2 is fixedly installed inside the inner roller feed head cover 3, and the inner roller feed head cover guide plate 2 is correspondingly set with the inner roller feeder 1.

[0059] Furthermore, the outer roller 13 feeding unit includes:

[0060] An outer roller feeder 23 is located at one end of an outer roller 13 and is used to feed material into the outer roller 13.

[0061] The outer roller discharge machine 9 is located at the other end of the outer roller 13 and is used to discharge the material in the outer roller 13.

[0062] The outer drum spiral turning guide plate 14 is fixedly installed on the inner wall of the outer drum 13, and the outer drum spiral turning guide plate 14 slides with the inner drum 28. The material in the outer drum 13 is conveyed through the outer drum spiral turning guide plate 14.

[0063] Furthermore, the outer roller 13 feeding unit also includes:

[0064] An outer roller feed head cover 16 is slidably sleeved on one end of an outer roller 13. An outer roller feeder 23 is connected to an outer roller feed head cover 16. An outer roller head cover sealing plate 22 and an outer roller head cover sealing plate 25 are provided between the outer roller feed head cover 16 and the outer roller 13. Both the outer roller head cover sealing plate 22 and the outer roller head cover sealing plate 25 are detachably connected to the outer roller feed head cover 16.

[0065] The outer roller discharge tail cover 32 is slidably sleeved on the other end of the outer roller 13. The outer roller discharge machine 9 is connected to the outer roller discharge tail cover 32. An outer roller tail cover sealing plate 31 and an outer roller tail cover sealing plate 33 are provided between the outer roller discharge tail cover 32 and the outer roller 13. Both the outer roller tail cover sealing plate 31 and the outer roller tail cover sealing plate 33 are detachably connected to the outer roller discharge tail cover 32.

[0066] The outer drum feed head cover 16 and the outer drum discharge tail cover 32 are both fixedly installed on the base frame 5. For easy installation and adjustment, the outer drum head cover sealing plate 22 and outer drum head cover sealing plate 25, the outer drum tail cover sealing plate 31 and outer drum tail cover sealing plate 33, the outer drum feed head cover 16 and the outer drum discharge tail cover 32 are all of the upper and lower split type. The outer drum head cover sealing plate 22 and outer drum head cover sealing plate 25, as well as the outer drum tail cover sealing plate 31 and outer drum tail cover sealing plate 33 are all used to prevent fly ash from leaking out of the outer drum 13.

[0067] Furthermore, an outer roller feed head cover 16 is fixedly provided with an outer roller head cover guide plate 24, which is correspondingly provided with the outer roller feeder 23.

[0068] Furthermore, the inner roller 28 drive mechanism includes:

[0069] An inner roller drive motor 8 is fixedly mounted on a base frame 5. An inner roller drive pinion 7 is fixedly connected to the output shaft of the inner roller drive motor 8. An inner roller gear ring 6 is fixedly sleeved on the outer wall of the inner roller 28. The inner roller drive pinion 7 meshes with the inner roller gear ring 6.

[0070] Furthermore, the outer roller 13 drive mechanism includes:

[0071] An outer roller drive motor 11 is fixedly mounted on the base frame 5. An outer roller drive pinion 10 is fixedly connected to the output shaft of the outer roller drive motor 11. An outer roller gear ring 30 is fixedly sleeved on the outer wall of the outer roller 13. The outer roller drive pinion 10 meshes with the outer roller gear ring 30.

[0072] Furthermore, inner roller belt 18 and inner roller belt 24 are respectively fixedly sleeved on the outer walls of both ends of the inner roller 28. Inner roller support roller 17 and inner roller support roller 25 are fixedly installed on the base frame 5. Inner roller belt 18 and inner roller support roller 17 are correspondingly set, and inner roller belt 24 and inner roller support roller 25 are correspondingly set.

[0073] Outer roller belt 1 26 and outer roller belt 29 are fixedly sleeved on the outer walls of both ends of the outer roller 13, respectively. Outer roller support roller 1 15 and outer roller support roller 2 36 are fixedly installed on the base frame 5. Outer roller belt 1 26 is correspondingly set with outer roller support roller 1 15, and outer roller belt 29 is correspondingly set with outer roller support roller 2 36.

[0074] The energy-saving municipal sludge pyrolysis carbonization furnace feeding and discharging device provided by the present invention includes an inner drum feeder 1, an inner drum discharger 19, an outer drum feeder 23, and an outer drum discharger 9, all of which are star feeders; the motors of the star feeders, the inner drum drive motor 8, and the outer drum drive motor 11 can all achieve variable frequency speed regulation.

[0075] The entire device of this invention is mounted on the base frame 5, which facilitates transportation and installation, reduces floor space, and reduces investment. The inner roller drive motor 8, mounted on the base frame 5, drives the inner roller drive pinion 7 to rotate, which in turn drives the inner roller 28 to rotate through the inner roller gear ring 6. Under the action of the inner roller spiral turning guide plate 27, the room temperature material that enters the inner roller 28 from the inner roller feeder 1 is transported from left to right to the inner roller discharge machine 19, and then enters the sludge pyrolysis carbonization furnace. Simultaneously, the outer roller drive motor 11, mounted on the base frame 5, drives the outer roller drive pinion 10 to rotate, which in turn drives the outer roller 13 to rotate via the outer roller gear ring 30. Under the action of the outer roller spiral turning guide plate 14, the sludge pyrolysis carbonization furnace, with a temperature as high as 500°C, which enters the outer roller 13 from the outer roller feeder 23, is conveyed from right to left to the outer roller discharger 9. During the rotation of the inner roller 28 and the outer roller 13, the hot material with a temperature as high as 500°C in the outer roller 13 and the room temperature material in the inner roller 28 exchange heat through the cylinder wall of the inner roller 28. After a period of time, the discharge temperature of the sludge pyrolysis carbonization furnace is greatly reduced, and the temperature of the material entering the sludge pyrolysis carbonization furnace is greatly increased. This solves the problem in the existing technology where the sludge pyrolysis carbonization furnace discharge spiral conveyor uses a cooling water jacket and a cooling tower for cooling, which wastes heat energy.

[0076] The above are merely preferred embodiments of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. An energy-saving municipal sludge pyrolysis carbonization furnace feeding and discharging device, characterized in that, The utility model relates to a sludge pyrolysis carbonization furnace, which comprises the following parts: an inner roller (28) provided with an inner roller (28) feeding unit, which feeds sludge into a sludge pyrolysis carbonization furnace; an outer roller (13) sleeved on the outer side of the inner roller (28), which is provided with an outer roller heat preservation layer (12) on the outer wall, and is provided with an outer roller (13) feeding unit, which transports the output of the sludge pyrolysis carbonization furnace; a chassis (5) for supporting the inner roller (28) and the outer roller (13), which is provided with an inner roller (28) driving mechanism and an outer roller (13) driving mechanism, the inner roller (28) driving mechanism drives the inner roller (28) to rotate, and the outer roller (13) driving mechanism drives the outer roller (13) to rotate.

2. The energy-saving municipal sludge pyrolysis carbonization furnace feeding and discharging device according to claim 1, characterized in that, The inner roller (28) feeding unit comprises: an inner roller feeder (1) arranged at one end of the inner roller (28), which feeds sludge into the inner roller (28); an inner roller discharger (19) arranged at the other end of the inner roller (28), which discharges the sludge in the inner roller (28); an inner roller spiral material turning guide plate (27) fixedly installed on the inner wall of the inner roller (28), which transports the sludge in the inner roller (28).

3. The energy-saving municipal sludge pyrolysis carbonization furnace feeding and discharging device according to claim 2, characterized in that, The inner roller (28) feeding unit further comprises: an inner roller feeding head cover (3) slidably sleeved on one end of the inner roller (28), which communicates with the inner roller feeder (1), and is provided with an inner roller head cover sealing plate (4) between the inner roller feeding head cover (3) and the inner roller (28), the inner roller head cover sealing plate (4) is detachably connected with the inner roller feeding head cover (3); an inner roller discharging tail cover (20) slidably sleeved on the other end of the inner roller (28), which communicates with the inner roller discharger (19), and is provided with an inner roller tail cover sealing plate (21) between the inner roller discharging tail cover (20) and the inner roller (28), the inner roller discharging tail cover (20) is detachably connected with the inner roller tail cover sealing plate (21); the inner roller feeding head cover (3) and the inner roller discharging tail cover (20) are fixedly installed on the chassis (5), and the inner roller head cover sealing plate (4) and the inner roller tail cover sealing plate (21) prevent fly ash in the inner roller (28) from leaking out.

4. The energy-saving municipal sludge pyrolysis carbonization furnace feeding and discharging device according to claim 3, characterized in that, The inner roller head cover (3) is fixedly provided with an inner roller head cover guide plate (2), and the inner roller head cover guide plate (2) is correspondingly arranged with the inner roller feeder (1).

5. The energy-saving municipal sludge pyrolysis carbonization furnace feeding and discharging device according to claim 1, characterized in that, The outer roller (13) feeding unit comprises: An outer roller feeder (23) is arranged at one end of the outer roller (13), and the outer roller feeder (23) is used for feeding material into the outer roller (13); An outer roller discharging machine (9) is arranged at the other end of the outer roller (13), and the outer roller discharging machine (9) is used for discharging material in the outer roller (13); An outer roller spiral material turning guide plate (14) is fixedly installed on the inner wall of the outer roller (13), and the outer roller spiral material turning guide plate (14) is in sliding cooperation with the inner roller (28), and the material in the outer roller (13) is conveyed through the outer roller spiral material turning guide plate (14).

6. The energy-saving municipal sludge pyrolysis carbonization furnace feeding and discharging device according to claim 5, characterized in that, The outer roller (13) feeding unit further comprises: An outer roller feeding head cover (16) is slidably sleeved at one end of the outer roller (13), the outer roller feeder (23) is in communication with the outer roller feeding head cover (16), and an outer roller head cover sealing plate (22, 25) is arranged between the outer roller feeding head cover (16) and the outer roller (13), and the outer roller head cover sealing plate (22, 25) is detachably connected with the outer roller feeding head cover (16); An outer roller discharging tail cover (32) is slidably sleeved at the other end of the outer roller (13), the outer roller discharging machine (9) is in communication with the outer roller discharging tail cover (32), and an outer roller tail cover sealing plate (31, 33) is arranged between the outer roller discharging tail cover (32) and the outer roller (13), and the outer roller discharging tail cover (32) is detachably connected with the outer roller tail cover sealing plate (31, 33); The outer roller feeding head cover (16) and the outer roller discharging tail cover (32) are both fixedly installed on the chassis (5), and the outer roller head cover sealing plate (22, 25) and the outer roller tail cover sealing plate (31, 33) are both used for preventing fly ash in the outer roller (13) from leaking out.

7. The energy-saving municipal sludge pyrolysis carbonization furnace feeding and discharging device according to claim 6, characterized in that, The outer roller head cover (16) is fixedly provided with an outer roller head cover guide plate (24), and the outer roller head cover guide plate (24) is correspondingly arranged with the outer roller feeder (23).

8. The energy-saving municipal sludge pyrolysis carbonization furnace feeding and discharging device according to claim 1, characterized in that, The inner roller (28) driving mechanism comprises: An inner roller driving motor (8) is fixedly installed on the chassis (5), an inner roller driving pinion (7) is fixedly connected to the output shaft of the inner roller driving motor (8), an inner roller gear ring (6) is fixedly sleeved on the outer wall of the inner roller (28), and the inner roller driving pinion (7) is in meshing cooperation with the inner roller gear ring (6).

9. The energy-saving municipal sludge pyrolysis carbonization furnace feeding and discharging device according to claim 1, characterized in that, The outer roller (13) driving mechanism comprises: An outer roller driving motor (11) is fixedly installed on the chassis (5), an output shaft of the outer roller driving motor (11) is fixedly connected with an outer roller driving pinion (10), an outer wall of the outer roller (13) is fixedly sleeved with an outer roller gear ring (30), and the outer roller driving pinion (10) is engaged with the outer roller gear ring (30).

10. The energy-saving municipal sludge pyrolysis carbonization furnace feeding and discharging device according to claim 1, characterized in that, Two ends of the inner roller (28) are respectively fixedly sleeved with an inner roller belt one (18) and an inner roller belt two (34), the chassis (5) is fixedly installed with an inner roller supporting roller one (17) and an inner roller supporting roller two (35), the inner roller belt one (18) is correspondingly arranged with the inner roller supporting roller one (17), and the inner roller belt two (34) is correspondingly arranged with the inner roller supporting roller two (35). Two ends of the outer roller (13) are respectively fixedly sleeved with an outer roller belt one (26) and an outer roller belt two (29), the chassis (5) is fixedly installed with an outer roller supporting roller one (15) and an outer roller supporting roller two (36), the outer roller belt one (26) is correspondingly arranged with the outer roller supporting roller one (15), and the outer roller belt two (29) is correspondingly arranged with the outer roller supporting roller two (36).

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