阅读说明：本技术 一种热解炉旋转进料装置 (Rotary feeding device of pyrolysis furnace ) 是由 张万仓 张海涛 于 2019-11-29 设计创作，主要内容包括：本发明公开了一种热解炉旋转进料装置,属于热解炉结构技术领域。旋转进料装置包括进料管和连接管,连接管的顶端与进料管的底端通过密封结构连接,连接管与进料管转动连接。炉盖上偏心的设置有固定连接管的安装孔,进料管竖直段的轴线与炉体的轴线重合。炉盖与炉体之间设置有旋转机构。进料管顶部设置有进料口,输送带的上端位于进料口的正上方,输送带通过出料斗与进料口连接。进料管远离连接管的一端内部设置有送料机构,进料管的拐角处设置有限料机构,进料管的外部侧壁上设置有带动限料机构转动的传动机构。本发明采用上述结构的热解炉旋转进料装置,能够解决热解炉密封性差、物料分布不均匀导致的热解效率低的问题。(The invention discloses a rotary feeding device of a pyrolysis furnace, and belongs to the technical field of pyrolysis furnace structures. The rotary feeding device comprises a feeding pipe and a connecting pipe, the top end of the connecting pipe is connected with the bottom end of the feeding pipe through a sealing structure, and the connecting pipe is rotatably connected with the feeding pipe. The furnace cover is eccentrically provided with a mounting hole for fixing the connecting pipe, and the axis of the vertical section of the feeding pipe is superposed with the axis of the furnace body. A rotating mechanism is arranged between the furnace cover and the furnace body. The inlet pipe top is provided with the feed inlet, and the upper end of conveyer belt is located the feed inlet directly over, and the conveyer belt passes through out the hopper to be connected with the feed inlet. The inside feeding mechanism that is provided with of one end that the connecting pipe was kept away from to the inlet pipe, the corner of inlet pipe is provided with the limit material mechanism, is provided with on the outside lateral wall of inlet pipe to drive limit material mechanism pivoted drive mechanism. The rotary feeding device of the pyrolysis furnace with the structure can solve the problems of poor sealing performance of the pyrolysis furnace and low pyrolysis efficiency caused by uneven material distribution.)

1. The utility model provides a rotary feeding device of pyrolysis furnace which characterized in that: the device comprises a feeding pipe and a connecting pipe, wherein the top end of the connecting pipe is connected with the bottom end of the feeding pipe through a sealing structure, and the connecting pipe is rotatably connected with the feeding pipe; the bottom end of the connecting pipe is fixedly connected with the furnace cover, a mounting hole for fixing the connecting pipe is eccentrically arranged on the furnace cover, and the axis of the vertical section of the feeding pipe is superposed with the axis of the furnace body; a rotating mechanism for rotating the furnace cover is arranged between the furnace cover and the furnace body;

a feed port is arranged at the top of the horizontal section of the feed pipe, the upper end of the conveyer belt is positioned right above the feed port, and the conveyer belt is connected with the feed port through a discharge hopper; the inside feeding mechanism that is provided with of one end that the connecting pipe was kept away from to the inlet pipe, the corner of inlet pipe is provided with the limit material mechanism, is provided with on the outside lateral wall of inlet pipe to drive limit material mechanism pivoted drive mechanism.

2. The rotary feeder of pyrolysis furnace according to claim 1, characterized in that: the material limiting mechanism comprises a rotating shaft, the two ends of the rotating shaft are rotatably connected with the pipe wall of the feeding pipe, a baffle plate with a blocking effect on materials is arranged on one section of the rotating shaft, which is positioned inside the feeding pipe, and the width of the baffle plate is not less than half of the inner diameter of the pipeline.

3. The rotary feeder of the pyrolysis furnace as recited in claim 2, wherein: the protection box is covered outside the transmission mechanism, the transmission mechanism comprises a first motor and a first speed reducer, the first motor is connected with the controller, a first worm is fixed on an output shaft of the first speed reducer, and a worm wheel meshed with the first worm is arranged at one end, extending out of the feeding pipe, of the rotating shaft.

4. The rotary feeder of pyrolysis furnace according to claim 1, characterized in that: feeding mechanism includes the pneumatic cylinder, and the pneumatic cylinder is connected with external hydraulic pump, and the pneumatic cylinder is connected with the controller, the one end and the inlet pipe fixed connection of pneumatic cylinder are provided with the push pedal that promotes the material that gets into from the feed inlet on the telescopic link of the pneumatic cylinder other end, and the telescopic link is located the center axis of inlet pipe, the even reinforcing plate that is provided with a plurality of triangle-shaped between push pedal and the telescopic link.

5. The rotary feeder of the pyrolysis furnace as recited in claim 4, wherein: the outside cover of pneumatic cylinder is equipped with the sleeve, telescopic one end and push pedal fixed connection, the internal surface contact of telescopic surface and inlet pipe, and the sleeve slides in the inlet pipe under the effect of telescopic link.

6. The rotary feeder of pyrolysis furnace according to claim 1, characterized in that: the lower extreme of conveyer belt is provided with conical feeder hopper, and the top of conveyer belt is provided with the gas collecting channel of U type along its length direction, and the gas collecting channel covers the top of establishing at the conveyer belt, and the gas collecting channel is connected with external deodorizing device.

7. The rotary feeder of pyrolysis furnace according to claim 1, characterized in that: the distance between the axis of the mounting hole and the axis of the furnace body is half of the radius of the furnace body.

8. The rotary feeder of pyrolysis furnace according to claim 1, characterized in that: the pipe diameter of the connecting pipe is larger than that of the feeding pipe, the bottom end of the feeding pipe is inserted into the connecting pipe, and the sealing structure comprises a first annular baffle plate arranged on the outer wall of the lower part of the feeding pipe and a second annular baffle plate arranged on the outer wall of the upper part of the connecting pipe; the middle part of the first baffle is provided with an annular baffle piece which is positioned inside the second baffle, and the first baffle is covered outside the second baffle; the second baffle plate with the cross section of the 'shaped' structure is filled with water, and the height of the water is greater than the distance from the bottom end of the baffle plate to the inner surface of the second baffle plate.

9. The rotary feeder of pyrolysis furnace according to claim 1, characterized in that: the rotary mechanism is a slewing bearing, the inner ring of the slewing bearing is fixed on the outer wall of the top of the furnace body, and the outer ring of the slewing bearing is fixed at the edge of the bottom of the furnace cover; a second motor and a second speed reducer are fixed on the outer wall of the furnace body, a second worm is fixedly arranged on an output shaft of the second speed reducer, and teeth which are in meshing transmission with the second worm are uniformly arranged on the outer side surface of the outer ring.

10. The rotary feeder of pyrolysis furnace according to claim 1, characterized in that: and an annular baffle plate IV with a cross section of a' type structure is arranged on the inner wall of the top of the furnace body, an annular baffle plate III is arranged on the bottom end face of the furnace cover, the baffle plate III is positioned in the baffle plate IV, water is filled in the baffle plate IV, and the height of the water is greater than the distance from the bottom end of the baffle plate III to the inner surface of the bottom of the baffle plate IV.

Technical Field

The invention belongs to the technical field of pyrolysis furnace structures, and particularly relates to a rotary feeding device of a pyrolysis furnace.

Background

The modern society science and technology is rapidly developed, the living standard of people is continuously improved, and the waste generated in daily life is increased. The phenomenon of household garbage pollution is more and more serious. The domestic garbage is treated and reused, so that the environment can be protected, and natural resources are saved.

The pyrolysis furnace is used for carrying out thermochemical conversion by utilizing the self calorific value of combustible substances in the garbage, the gasifiable household garbage is put into the pyrolysis furnace, and the organic components in the household garbage are subjected to pyrolysis gasification reaction for a period of time under the conditions of high temperature and oxygen deficiency, so that the organic matter in a macromolecular state is fully pyrolyzed and gasified, and the organic matter in a macromolecular state is cracked into combustible gas in a micromolecular state. The household garbage is conveyed into the feeding pipe by the existing pyrolysis furnace through the conveying belt, and the garbage in the feeding pipe directly falls into the pyrolysis furnace or is pushed into the pyrolysis furnace under the action of the hydraulic push rod. The feeding mode has the defects that the garbage is relatively loose in distribution in the feeding pipe, the compactness is poor, the sealing property in the feeding pipe is poor, and the pyrolysis gasification reaction of the household garbage is not facilitated. In addition, the discharge end of the feeding pipe is positioned in the center of the pyrolysis furnace, garbage entering the pyrolysis furnace from the feeding pipe is conically accumulated in the center of the furnace, the height of the accumulated garbage in the center is higher, and the garbage is unevenly distributed in the pyrolysis furnace. On one hand, the pyrolysis efficiency is influenced, and on the other hand, the containing quantity of the garbage in the pyrolysis furnace is influenced.

Disclosure of Invention

The invention aims to provide a rotary feeding device of a pyrolysis furnace, which solves the problems of poor sealing performance of the pyrolysis furnace and low pyrolysis efficiency caused by uneven material distribution.

In order to achieve the aim, the invention provides a rotary feeding device of a pyrolysis furnace, which comprises a feeding pipe and a connecting pipe, wherein the top end of the connecting pipe is connected with the bottom end of the feeding pipe through a sealing structure, and the connecting pipe is rotatably connected with the feeding pipe; the bottom end of the connecting pipe is fixedly connected with the furnace cover, a mounting hole for fixing the connecting pipe is eccentrically arranged on the furnace cover, and the axis of the vertical section of the feeding pipe is superposed with the axis of the furnace body; a rotating mechanism for rotating the furnace cover is arranged between the furnace cover and the furnace body;

a feed port is arranged at the top of the horizontal section of the feed pipe, the upper end of the conveyer belt is positioned right above the feed port, and the conveyer belt is connected with the feed port through a discharge hopper; the inside feeding mechanism that is provided with of one end that the connecting pipe was kept away from to the inlet pipe, the corner of inlet pipe is provided with the limit material mechanism, is provided with on the outside lateral wall of inlet pipe to drive limit material mechanism pivoted drive mechanism.

Preferably, limit material mechanism includes the pivot, and the both ends of pivot are rotated with the pipe wall of inlet pipe and are connected, and the pivot is located one section of inlet pipe inside and is provided with the baffle that has the effect of blockking to the material, and the width of baffle is not less than half of pipeline internal diameter.

Preferably, the protection box is covered outside the transmission mechanism, the transmission mechanism comprises a first motor and a first speed reducer, the first motor is connected with the controller, a first worm is fixed on an output shaft of the first speed reducer, and a worm wheel meshed with the first worm is arranged at one end, extending out of the feeding pipe, of the rotating shaft.

Preferably, feeding mechanism includes the pneumatic cylinder, and the pneumatic cylinder is connected with external hydraulic pump, and the pneumatic cylinder is connected with the controller, and the one end and the inlet pipe fixed connection of pneumatic cylinder are provided with the push pedal that promotes the material that gets into from the feed inlet on the telescopic link of the pneumatic cylinder other end, and the telescopic link is located the center axis of inlet pipe, the even reinforcing plate that is provided with a plurality of triangle-shaped between push pedal and the telescopic link.

Preferably, the outside cover of pneumatic cylinder is equipped with the sleeve, telescopic one end and push pedal fixed connection, telescopic surface and the internal surface contact of inlet pipe, and the sleeve slides in the inlet pipe under the effect of telescopic link.

Preferably, the lower extreme of conveyer belt is provided with conical feeder hopper, and the top of conveyer belt is provided with the gas collecting channel of U type along its length direction, and the gas collecting channel cover is established in the top of conveyer belt, and the gas collecting channel is connected with external deodorizing device.

Preferably, the distance between the axis of the mounting hole and the axis of the furnace body is half of the radius of the furnace body.

Preferably, the pipe diameter of the connecting pipe is larger than that of the feeding pipe, the bottom end of the feeding pipe is inserted into the connecting pipe, and the sealing structure comprises a first annular baffle plate arranged on the outer wall of the lower part of the feeding pipe and a second annular baffle plate arranged on the outer wall of the upper part of the connecting pipe; the middle part of the first baffle is provided with an annular baffle piece which is positioned inside the second baffle, and the first baffle is covered outside the second baffle; the second baffle plate with the cross section of the 'shaped' structure is filled with water, and the height of the water is greater than the distance from the bottom end of the baffle plate to the inner surface of the second baffle plate.

Preferably, the rotating mechanism is a slewing bearing, the inner ring of the slewing bearing is fixed on the outer wall of the top of the furnace body, and the outer ring of the slewing bearing is fixed at the bottom edge of the furnace cover; a second motor and a second speed reducer are fixed on the outer wall of the furnace body, a second worm is fixedly arranged on an output shaft of the second speed reducer, and teeth which are in meshing transmission with the second worm are uniformly arranged on the outer side surface of the outer ring.

Preferably, an annular baffle plate IV with a cross section in a "" type structure is arranged on the inner wall of the top of the furnace body, an annular baffle plate III is arranged on the end face of the bottom of the furnace cover, the baffle plate III is positioned inside the baffle plate IV, water is filled in the baffle plate IV, and the height of the water is greater than the distance from the bottom end of the baffle plate III to the inner surface of the bottom of the baffle plate IV.

The rotary feeding device of the pyrolysis furnace has the advantages and positive effects that:

(1) be provided with the pneumatic cylinder in the one end of inlet pipe, the corner of inlet pipe is provided with the baffle, compresses tightly closely the rubbish in the inlet pipe under the effect of pneumatic cylinder and baffle to guarantee the good leakproofness of inlet pipe, avoid the gas in the pyrolysis oven to spill over from the inlet pipe, improve the pyrolysis gasification reaction in the pyrolysis oven.

(2) The feed inlet end of the connecting pipe is fixedly connected with the furnace cover, the axis of the feed pipe is superposed with the axis of the furnace body, and the distance from the axis of the feed inlet of the feed pipe to the axis of the furnace body is half of the radius of the furnace body. A rotating mechanism is arranged between the furnace body and the furnace cover, and the rotating mechanism drives the furnace cover to rotate, so that garbage falling into the furnace body from the feeding port is uniformly paved in the furnace body.

(3) The junction of connecting pipe and inlet pipe seals through water, also seals through water between bell and the furnace body, has improved the leakproofness of device.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a rotary feeder of a pyrolysis furnace according to the present invention;

FIG. 2 is a schematic perspective view of a rotary feeder of a pyrolysis furnace according to an embodiment of the present invention;

FIG. 3 is a schematic view of a feed pipe structure of an embodiment of a rotary feed apparatus of a pyrolysis furnace according to the present invention;

FIG. 4 is a schematic structural view of a material limiting mechanism of an embodiment of a rotary feeding device of a pyrolysis furnace according to the present invention;

FIG. 5 is a schematic structural view of a transmission mechanism of an embodiment of a rotary feeding device of a pyrolysis furnace according to the present invention;

FIG. 6 is a schematic view of a conveyor belt of an embodiment of a rotary feeding device of a pyrolysis furnace according to the present invention;

FIG. 7 is an enlarged view of a portion A of FIG. 1;

fig. 8 is a partially enlarged view of B in fig. 1.

Reference numerals

1. A feed pipe; 2. a connecting pipe; 3. a furnace cover; 4. a furnace body; 5. a conveyor belt; 6. a feed inlet; 7. a feed hopper; 8. a discharge hopper; 9. a gas-collecting hood; 10. a protective box; 11. a hydraulic cylinder; 12. a telescopic rod; 13. pushing the plate; 14. a sleeve; 15. a reinforcing plate; 16. a baffle plate; 17. a rotating shaft; 18. a worm gear; 19. a first worm; 20. a first motor; 21. a first speed reducer; 22. a first baffle plate; 23. a second baffle plate; 24. a baffle plate; 25. a baffle III; 26. a baffle plate IV; 27. an inner ring; 28. an outer ring; 29. a support; 30. a second motor; 31. a second speed reducer; 32. a second worm; 33. and (7) installing holes.

Detailed Description